update dependencies

1 files changed, 14986 insertions, 12980 deletions

diff --git a/node_modules/typescript/lib/tsserverlibrary.js b/node_modules/typescript/lib/tsserverlibrary.js
index cd17f4faf..9401638a2 100644
--- a/node_modules/typescript/lib/tsserverlibrary.js
+++ b/node_modules/typescript/lib/tsserverlibrary.js
@@ -1,18 +1,19 @@
-/*! *****************************************************************************

-Copyright (c) Microsoft Corporation. All rights reserved. 

-Licensed under the Apache License, Version 2.0 (the "License"); you may not use

-this file except in compliance with the License. You may obtain a copy of the

-License at http://www.apache.org/licenses/LICENSE-2.0  

- 

-THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY

-KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED

-WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE, 

-MERCHANTABLITY OR NON-INFRINGEMENT. 

- 

-See the Apache Version 2.0 License for specific language governing permissions

-and limitations under the License.

-***************************************************************************** */

-

+/*! *****************************************************************************
+Copyright (c) Microsoft Corporation. All rights reserved. 
+Licensed under the Apache License, Version 2.0 (the "License"); you may not use
+this file except in compliance with the License. You may obtain a copy of the
+License at http://www.apache.org/licenses/LICENSE-2.0  
+ 
+THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
+WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE, 
+MERCHANTABLITY OR NON-INFRINGEMENT. 
+ 
+See the Apache Version 2.0 License for specific language governing permissions
+and limitations under the License.
+***************************************************************************** */
+
+"use strict";
 var __assign = (this && this.__assign) || Object.assign || function(t) {
     for (var s, i = 1, n = arguments.length; i < n; i++) {
         s = arguments[i];
@@ -305,38 +306,29 @@ var ts;
         SyntaxKind[SyntaxKind["JSDocTypeExpression"] = 267] = "JSDocTypeExpression";
         SyntaxKind[SyntaxKind["JSDocAllType"] = 268] = "JSDocAllType";
         SyntaxKind[SyntaxKind["JSDocUnknownType"] = 269] = "JSDocUnknownType";
-        SyntaxKind[SyntaxKind["JSDocArrayType"] = 270] = "JSDocArrayType";
-        SyntaxKind[SyntaxKind["JSDocUnionType"] = 271] = "JSDocUnionType";
-        SyntaxKind[SyntaxKind["JSDocTupleType"] = 272] = "JSDocTupleType";
-        SyntaxKind[SyntaxKind["JSDocNullableType"] = 273] = "JSDocNullableType";
-        SyntaxKind[SyntaxKind["JSDocNonNullableType"] = 274] = "JSDocNonNullableType";
-        SyntaxKind[SyntaxKind["JSDocRecordType"] = 275] = "JSDocRecordType";
-        SyntaxKind[SyntaxKind["JSDocRecordMember"] = 276] = "JSDocRecordMember";
-        SyntaxKind[SyntaxKind["JSDocTypeReference"] = 277] = "JSDocTypeReference";
-        SyntaxKind[SyntaxKind["JSDocOptionalType"] = 278] = "JSDocOptionalType";
-        SyntaxKind[SyntaxKind["JSDocFunctionType"] = 279] = "JSDocFunctionType";
-        SyntaxKind[SyntaxKind["JSDocVariadicType"] = 280] = "JSDocVariadicType";
-        SyntaxKind[SyntaxKind["JSDocConstructorType"] = 281] = "JSDocConstructorType";
-        SyntaxKind[SyntaxKind["JSDocThisType"] = 282] = "JSDocThisType";
-        SyntaxKind[SyntaxKind["JSDocComment"] = 283] = "JSDocComment";
-        SyntaxKind[SyntaxKind["JSDocTag"] = 284] = "JSDocTag";
-        SyntaxKind[SyntaxKind["JSDocAugmentsTag"] = 285] = "JSDocAugmentsTag";
-        SyntaxKind[SyntaxKind["JSDocClassTag"] = 286] = "JSDocClassTag";
-        SyntaxKind[SyntaxKind["JSDocParameterTag"] = 287] = "JSDocParameterTag";
-        SyntaxKind[SyntaxKind["JSDocReturnTag"] = 288] = "JSDocReturnTag";
-        SyntaxKind[SyntaxKind["JSDocTypeTag"] = 289] = "JSDocTypeTag";
-        SyntaxKind[SyntaxKind["JSDocTemplateTag"] = 290] = "JSDocTemplateTag";
-        SyntaxKind[SyntaxKind["JSDocTypedefTag"] = 291] = "JSDocTypedefTag";
-        SyntaxKind[SyntaxKind["JSDocPropertyTag"] = 292] = "JSDocPropertyTag";
-        SyntaxKind[SyntaxKind["JSDocTypeLiteral"] = 293] = "JSDocTypeLiteral";
-        SyntaxKind[SyntaxKind["JSDocLiteralType"] = 294] = "JSDocLiteralType";
-        SyntaxKind[SyntaxKind["SyntaxList"] = 295] = "SyntaxList";
-        SyntaxKind[SyntaxKind["NotEmittedStatement"] = 296] = "NotEmittedStatement";
-        SyntaxKind[SyntaxKind["PartiallyEmittedExpression"] = 297] = "PartiallyEmittedExpression";
-        SyntaxKind[SyntaxKind["CommaListExpression"] = 298] = "CommaListExpression";
-        SyntaxKind[SyntaxKind["MergeDeclarationMarker"] = 299] = "MergeDeclarationMarker";
-        SyntaxKind[SyntaxKind["EndOfDeclarationMarker"] = 300] = "EndOfDeclarationMarker";
-        SyntaxKind[SyntaxKind["Count"] = 301] = "Count";
+        SyntaxKind[SyntaxKind["JSDocNullableType"] = 270] = "JSDocNullableType";
+        SyntaxKind[SyntaxKind["JSDocNonNullableType"] = 271] = "JSDocNonNullableType";
+        SyntaxKind[SyntaxKind["JSDocOptionalType"] = 272] = "JSDocOptionalType";
+        SyntaxKind[SyntaxKind["JSDocFunctionType"] = 273] = "JSDocFunctionType";
+        SyntaxKind[SyntaxKind["JSDocVariadicType"] = 274] = "JSDocVariadicType";
+        SyntaxKind[SyntaxKind["JSDocComment"] = 275] = "JSDocComment";
+        SyntaxKind[SyntaxKind["JSDocTag"] = 276] = "JSDocTag";
+        SyntaxKind[SyntaxKind["JSDocAugmentsTag"] = 277] = "JSDocAugmentsTag";
+        SyntaxKind[SyntaxKind["JSDocClassTag"] = 278] = "JSDocClassTag";
+        SyntaxKind[SyntaxKind["JSDocParameterTag"] = 279] = "JSDocParameterTag";
+        SyntaxKind[SyntaxKind["JSDocReturnTag"] = 280] = "JSDocReturnTag";
+        SyntaxKind[SyntaxKind["JSDocTypeTag"] = 281] = "JSDocTypeTag";
+        SyntaxKind[SyntaxKind["JSDocTemplateTag"] = 282] = "JSDocTemplateTag";
+        SyntaxKind[SyntaxKind["JSDocTypedefTag"] = 283] = "JSDocTypedefTag";
+        SyntaxKind[SyntaxKind["JSDocPropertyTag"] = 284] = "JSDocPropertyTag";
+        SyntaxKind[SyntaxKind["JSDocTypeLiteral"] = 285] = "JSDocTypeLiteral";
+        SyntaxKind[SyntaxKind["SyntaxList"] = 286] = "SyntaxList";
+        SyntaxKind[SyntaxKind["NotEmittedStatement"] = 287] = "NotEmittedStatement";
+        SyntaxKind[SyntaxKind["PartiallyEmittedExpression"] = 288] = "PartiallyEmittedExpression";
+        SyntaxKind[SyntaxKind["CommaListExpression"] = 289] = "CommaListExpression";
+        SyntaxKind[SyntaxKind["MergeDeclarationMarker"] = 290] = "MergeDeclarationMarker";
+        SyntaxKind[SyntaxKind["EndOfDeclarationMarker"] = 291] = "EndOfDeclarationMarker";
+        SyntaxKind[SyntaxKind["Count"] = 292] = "Count";
         SyntaxKind[SyntaxKind["FirstAssignment"] = 58] = "FirstAssignment";
         SyntaxKind[SyntaxKind["LastAssignment"] = 70] = "LastAssignment";
         SyntaxKind[SyntaxKind["FirstCompoundAssignment"] = 59] = "FirstCompoundAssignment";
@@ -363,9 +355,9 @@ var ts;
         SyntaxKind[SyntaxKind["LastBinaryOperator"] = 70] = "LastBinaryOperator";
         SyntaxKind[SyntaxKind["FirstNode"] = 143] = "FirstNode";
         SyntaxKind[SyntaxKind["FirstJSDocNode"] = 267] = "FirstJSDocNode";
-        SyntaxKind[SyntaxKind["LastJSDocNode"] = 294] = "LastJSDocNode";
-        SyntaxKind[SyntaxKind["FirstJSDocTagNode"] = 284] = "FirstJSDocTagNode";
-        SyntaxKind[SyntaxKind["LastJSDocTagNode"] = 294] = "LastJSDocTagNode";
+        SyntaxKind[SyntaxKind["LastJSDocNode"] = 285] = "LastJSDocNode";
+        SyntaxKind[SyntaxKind["FirstJSDocTagNode"] = 276] = "FirstJSDocTagNode";
+        SyntaxKind[SyntaxKind["LastJSDocTagNode"] = 285] = "LastJSDocTagNode";
     })(SyntaxKind = ts.SyntaxKind || (ts.SyntaxKind = {}));
     var NodeFlags;
     (function (NodeFlags) {
@@ -390,6 +382,7 @@ var ts;
         NodeFlags[NodeFlags["ThisNodeOrAnySubNodesHasError"] = 131072] = "ThisNodeOrAnySubNodesHasError";
         NodeFlags[NodeFlags["HasAggregatedChildData"] = 262144] = "HasAggregatedChildData";
         NodeFlags[NodeFlags["PossiblyContainsDynamicImport"] = 524288] = "PossiblyContainsDynamicImport";
+        NodeFlags[NodeFlags["JSDoc"] = 1048576] = "JSDoc";
         NodeFlags[NodeFlags["BlockScoped"] = 3] = "BlockScoped";
         NodeFlags[NodeFlags["ReachabilityCheckFlags"] = 384] = "ReachabilityCheckFlags";
         NodeFlags[NodeFlags["ReachabilityAndEmitFlags"] = 1408] = "ReachabilityAndEmitFlags";
@@ -519,6 +512,8 @@ var ts;
         TypeFormatFlags[TypeFormatFlags["SuppressAnyReturnType"] = 4096] = "SuppressAnyReturnType";
         TypeFormatFlags[TypeFormatFlags["AddUndefined"] = 8192] = "AddUndefined";
         TypeFormatFlags[TypeFormatFlags["WriteClassExpressionAsTypeLiteral"] = 16384] = "WriteClassExpressionAsTypeLiteral";
+        TypeFormatFlags[TypeFormatFlags["InArrayType"] = 32768] = "InArrayType";
+        TypeFormatFlags[TypeFormatFlags["UseAliasDefinedOutsideCurrentScope"] = 65536] = "UseAliasDefinedOutsideCurrentScope";
     })(TypeFormatFlags = ts.TypeFormatFlags || (ts.TypeFormatFlags = {}));
     var SymbolFormatFlags;
     (function (SymbolFormatFlags) {
@@ -580,13 +575,11 @@ var ts;
         SymbolFlags[SymbolFlags["TypeParameter"] = 262144] = "TypeParameter";
         SymbolFlags[SymbolFlags["TypeAlias"] = 524288] = "TypeAlias";
         SymbolFlags[SymbolFlags["ExportValue"] = 1048576] = "ExportValue";
-        SymbolFlags[SymbolFlags["ExportType"] = 2097152] = "ExportType";
-        SymbolFlags[SymbolFlags["ExportNamespace"] = 4194304] = "ExportNamespace";
-        SymbolFlags[SymbolFlags["Alias"] = 8388608] = "Alias";
-        SymbolFlags[SymbolFlags["Prototype"] = 16777216] = "Prototype";
-        SymbolFlags[SymbolFlags["ExportStar"] = 33554432] = "ExportStar";
-        SymbolFlags[SymbolFlags["Optional"] = 67108864] = "Optional";
-        SymbolFlags[SymbolFlags["Transient"] = 134217728] = "Transient";
+        SymbolFlags[SymbolFlags["Alias"] = 2097152] = "Alias";
+        SymbolFlags[SymbolFlags["Prototype"] = 4194304] = "Prototype";
+        SymbolFlags[SymbolFlags["ExportStar"] = 8388608] = "ExportStar";
+        SymbolFlags[SymbolFlags["Optional"] = 16777216] = "Optional";
+        SymbolFlags[SymbolFlags["Transient"] = 33554432] = "Transient";
         SymbolFlags[SymbolFlags["Enum"] = 384] = "Enum";
         SymbolFlags[SymbolFlags["Variable"] = 3] = "Variable";
         SymbolFlags[SymbolFlags["Value"] = 107455] = "Value";
@@ -611,14 +604,13 @@ var ts;
         SymbolFlags[SymbolFlags["SetAccessorExcludes"] = 74687] = "SetAccessorExcludes";
         SymbolFlags[SymbolFlags["TypeParameterExcludes"] = 530920] = "TypeParameterExcludes";
         SymbolFlags[SymbolFlags["TypeAliasExcludes"] = 793064] = "TypeAliasExcludes";
-        SymbolFlags[SymbolFlags["AliasExcludes"] = 8388608] = "AliasExcludes";
-        SymbolFlags[SymbolFlags["ModuleMember"] = 8914931] = "ModuleMember";
+        SymbolFlags[SymbolFlags["AliasExcludes"] = 2097152] = "AliasExcludes";
+        SymbolFlags[SymbolFlags["ModuleMember"] = 2623475] = "ModuleMember";
         SymbolFlags[SymbolFlags["ExportHasLocal"] = 944] = "ExportHasLocal";
         SymbolFlags[SymbolFlags["HasExports"] = 1952] = "HasExports";
         SymbolFlags[SymbolFlags["HasMembers"] = 6240] = "HasMembers";
         SymbolFlags[SymbolFlags["BlockScoped"] = 418] = "BlockScoped";
         SymbolFlags[SymbolFlags["PropertyOrAccessor"] = 98308] = "PropertyOrAccessor";
-        SymbolFlags[SymbolFlags["Export"] = 7340032] = "Export";
         SymbolFlags[SymbolFlags["ClassMember"] = 106500] = "ClassMember";
         SymbolFlags[SymbolFlags["Classifiable"] = 788448] = "Classifiable";
     })(SymbolFlags = ts.SymbolFlags || (ts.SymbolFlags = {}));
@@ -641,6 +633,25 @@ var ts;
         CheckFlags[CheckFlags["ContainsStatic"] = 512] = "ContainsStatic";
         CheckFlags[CheckFlags["Synthetic"] = 6] = "Synthetic";
     })(CheckFlags = ts.CheckFlags || (ts.CheckFlags = {}));
+    var InternalSymbolName;
+    (function (InternalSymbolName) {
+        InternalSymbolName["Call"] = "__call";
+        InternalSymbolName["Constructor"] = "__constructor";
+        InternalSymbolName["New"] = "__new";
+        InternalSymbolName["Index"] = "__index";
+        InternalSymbolName["ExportStar"] = "__export";
+        InternalSymbolName["Global"] = "__global";
+        InternalSymbolName["Missing"] = "__missing";
+        InternalSymbolName["Type"] = "__type";
+        InternalSymbolName["Object"] = "__object";
+        InternalSymbolName["JSXAttributes"] = "__jsxAttributes";
+        InternalSymbolName["Class"] = "__class";
+        InternalSymbolName["Function"] = "__function";
+        InternalSymbolName["Computed"] = "__computed";
+        InternalSymbolName["Resolving"] = "__resolving__";
+        InternalSymbolName["ExportEquals"] = "export=";
+        InternalSymbolName["Default"] = "default";
+    })(InternalSymbolName = ts.InternalSymbolName || (ts.InternalSymbolName = {}));
     var NodeCheckFlags;
     (function (NodeCheckFlags) {
         NodeCheckFlags[NodeCheckFlags["TypeChecked"] = 1] = "TypeChecked";
@@ -749,6 +760,12 @@ var ts;
         InferenceFlags[InferenceFlags["NoDefault"] = 2] = "NoDefault";
         InferenceFlags[InferenceFlags["AnyDefault"] = 4] = "AnyDefault";
     })(InferenceFlags = ts.InferenceFlags || (ts.InferenceFlags = {}));
+    var Ternary;
+    (function (Ternary) {
+        Ternary[Ternary["False"] = 0] = "False";
+        Ternary[Ternary["Maybe"] = 1] = "Maybe";
+        Ternary[Ternary["True"] = -1] = "True";
+    })(Ternary = ts.Ternary || (ts.Ternary = {}));
     var SpecialPropertyAssignmentKind;
     (function (SpecialPropertyAssignmentKind) {
         SpecialPropertyAssignmentKind[SpecialPropertyAssignmentKind["None"] = 0] = "None";
@@ -799,6 +816,7 @@ var ts;
         ScriptKind[ScriptKind["TS"] = 3] = "TS";
         ScriptKind[ScriptKind["TSX"] = 4] = "TSX";
         ScriptKind[ScriptKind["External"] = 5] = "External";
+        ScriptKind[ScriptKind["JSON"] = 6] = "JSON";
     })(ScriptKind = ts.ScriptKind || (ts.ScriptKind = {}));
     var ScriptTarget;
     (function (ScriptTarget) {
@@ -954,12 +972,11 @@ var ts;
     })(CharacterCodes = ts.CharacterCodes || (ts.CharacterCodes = {}));
     var Extension;
     (function (Extension) {
-        Extension[Extension["Ts"] = 0] = "Ts";
-        Extension[Extension["Tsx"] = 1] = "Tsx";
-        Extension[Extension["Dts"] = 2] = "Dts";
-        Extension[Extension["Js"] = 3] = "Js";
-        Extension[Extension["Jsx"] = 4] = "Jsx";
-        Extension[Extension["LastTypeScriptExtension"] = 2] = "LastTypeScriptExtension";
+        Extension["Ts"] = ".ts";
+        Extension["Tsx"] = ".tsx";
+        Extension["Dts"] = ".d.ts";
+        Extension["Js"] = ".js";
+        Extension["Jsx"] = ".jsx";
     })(Extension = ts.Extension || (ts.Extension = {}));
     var TransformFlags;
     (function (TransformFlags) {
@@ -1049,6 +1066,7 @@ var ts;
         EmitFlags[EmitFlags["HasEndOfDeclarationMarker"] = 4194304] = "HasEndOfDeclarationMarker";
         EmitFlags[EmitFlags["Iterator"] = 8388608] = "Iterator";
         EmitFlags[EmitFlags["NoAsciiEscaping"] = 16777216] = "NoAsciiEscaping";
+        EmitFlags[EmitFlags["TypeScriptClassWrapper"] = 33554432] = "TypeScriptClassWrapper";
     })(EmitFlags = ts.EmitFlags || (ts.EmitFlags = {}));
     var ExternalEmitHelpers;
     (function (ExternalEmitHelpers) {
@@ -1081,7 +1099,8 @@ var ts;
         EmitHint[EmitHint["SourceFile"] = 0] = "SourceFile";
         EmitHint[EmitHint["Expression"] = 1] = "Expression";
         EmitHint[EmitHint["IdentifierName"] = 2] = "IdentifierName";
-        EmitHint[EmitHint["Unspecified"] = 3] = "Unspecified";
+        EmitHint[EmitHint["MappedTypeParameter"] = 3] = "MappedTypeParameter";
+        EmitHint[EmitHint["Unspecified"] = 4] = "Unspecified";
     })(EmitHint = ts.EmitHint || (ts.EmitHint = {}));
 })(ts || (ts = {}));
 var ts;
@@ -1145,15 +1164,10 @@ var ts;
 })(ts || (ts = {}));
 var ts;
 (function (ts) {
-    ts.version = "2.4.2";
+    ts.versionMajorMinor = "2.5";
+    ts.version = ts.versionMajorMinor + ".3";
 })(ts || (ts = {}));
 (function (ts) {
-    var Ternary;
-    (function (Ternary) {
-        Ternary[Ternary["False"] = 0] = "False";
-        Ternary[Ternary["Maybe"] = 1] = "Maybe";
-        Ternary[Ternary["True"] = -1] = "True";
-    })(Ternary = ts.Ternary || (ts.Ternary = {}));
     ts.collator = typeof Intl === "object" && typeof Intl.Collator === "function" ? new Intl.Collator(undefined, { usage: "sort", sensitivity: "accent" }) : undefined;
     ts.localeCompareIsCorrect = ts.collator && ts.collator.compare("a", "B") < 0;
     function createDictionaryObject() {
@@ -1166,6 +1180,21 @@ var ts;
         return new MapCtr();
     }
     ts.createMap = createMap;
+    function createUnderscoreEscapedMap() {
+        return new MapCtr();
+    }
+    ts.createUnderscoreEscapedMap = createUnderscoreEscapedMap;
+    function createSymbolTable(symbols) {
+        var result = createMap();
+        if (symbols) {
+            for (var _i = 0, symbols_1 = symbols; _i < symbols_1.length; _i++) {
+                var symbol = symbols_1[_i];
+                result.set(symbol.escapedName, symbol);
+            }
+        }
+        return result;
+    }
+    ts.createSymbolTable = createSymbolTable;
     function createMapFromTemplate(template) {
         var map = new MapCtr();
         for (var key in template) {
@@ -1242,45 +1271,6 @@ var ts;
             return class_1;
         }());
     }
-    function createFileMap(keyMapper) {
-        var files = createMap();
-        return {
-            get: get,
-            set: set,
-            contains: contains,
-            remove: remove,
-            forEachValue: forEachValueInMap,
-            getKeys: getKeys,
-            clear: clear,
-        };
-        function forEachValueInMap(f) {
-            files.forEach(function (file, key) {
-                f(key, file);
-            });
-        }
-        function getKeys() {
-            return arrayFrom(files.keys());
-        }
-        function get(path) {
-            return files.get(toKey(path));
-        }
-        function set(path, value) {
-            files.set(toKey(path), value);
-        }
-        function contains(path) {
-            return files.has(toKey(path));
-        }
-        function remove(path) {
-            files.delete(toKey(path));
-        }
-        function clear() {
-            files.clear();
-        }
-        function toKey(path) {
-            return keyMapper ? keyMapper(path) : path;
-        }
-    }
-    ts.createFileMap = createFileMap;
     function toPath(fileName, basePath, getCanonicalFileName) {
         var nonCanonicalizedPath = isRootedDiskPath(fileName)
             ? normalizePath(fileName)
@@ -1465,16 +1455,19 @@ var ts;
     ts.removeWhere = removeWhere;
     function filterMutate(array, f) {
         var outIndex = 0;
-        for (var _i = 0, array_3 = array; _i < array_3.length; _i++) {
-            var item = array_3[_i];
-            if (f(item)) {
-                array[outIndex] = item;
+        for (var i = 0; i < array.length; i++) {
+            if (f(array[i], i, array)) {
+                array[outIndex] = array[i];
                 outIndex++;
             }
         }
         array.length = outIndex;
     }
     ts.filterMutate = filterMutate;
+    function clear(array) {
+        array.length = 0;
+    }
+    ts.clear = clear;
     function map(array, f) {
         var result;
         if (array) {
@@ -1510,8 +1503,8 @@ var ts;
         var result;
         if (array) {
             result = [];
-            for (var _i = 0, array_4 = array; _i < array_4.length; _i++) {
-                var v = array_4[_i];
+            for (var _i = 0, array_3 = array; _i < array_3.length; _i++) {
+                var v = array_3[_i];
                 if (v) {
                     if (isArray(v)) {
                         addRange(result, v);
@@ -1544,6 +1537,19 @@ var ts;
         return result;
     }
     ts.flatMap = flatMap;
+    function flatMapIter(iter, mapfn) {
+        var result = [];
+        while (true) {
+            var _a = iter.next(), value = _a.value, done = _a.done;
+            if (done)
+                break;
+            var res = mapfn(value);
+            if (res)
+                result.push.apply(result, res);
+        }
+        return result;
+    }
+    ts.flatMapIter = flatMapIter;
     function sameFlatMap(array, mapfn) {
         var result;
         if (array) {
@@ -1568,11 +1574,13 @@ var ts;
     ts.sameFlatMap = sameFlatMap;
     function mapDefined(array, mapFn) {
         var result = [];
-        for (var i = 0; i < array.length; i++) {
-            var item = array[i];
-            var mapped = mapFn(item, i);
-            if (mapped !== undefined) {
-                result.push(mapped);
+        if (array) {
+            for (var i = 0; i < array.length; i++) {
+                var item = array[i];
+                var mapped = mapFn(item, i);
+                if (mapped !== undefined) {
+                    result.push(mapped);
+                }
             }
         }
         return result;
@@ -1640,8 +1648,8 @@ var ts;
     function some(array, predicate) {
         if (array) {
             if (predicate) {
-                for (var _i = 0, array_5 = array; _i < array_5.length; _i++) {
-                    var v = array_5[_i];
+                for (var _i = 0, array_4 = array; _i < array_4.length; _i++) {
+                    var v = array_4[_i];
                     if (predicate(v)) {
                         return true;
                     }
@@ -1666,8 +1674,8 @@ var ts;
         var result;
         if (array) {
             result = [];
-            loop: for (var _i = 0, array_6 = array; _i < array_6.length; _i++) {
-                var item = array_6[_i];
+            loop: for (var _i = 0, array_5 = array; _i < array_5.length; _i++) {
+                var item = array_5[_i];
                 for (var _a = 0, result_1 = result; _a < result_1.length; _a++) {
                     var res = result_1[_a];
                     if (areEqual ? areEqual(res, item) : res === item) {
@@ -1755,8 +1763,8 @@ var ts;
     ts.relativeComplement = relativeComplement;
     function sum(array, prop) {
         var result = 0;
-        for (var _i = 0, array_7 = array; _i < array_7.length; _i++) {
-            var v = array_7[_i];
+        for (var _i = 0, array_6 = array; _i < array_6.length; _i++) {
+            var v = array_6[_i];
             result += v[prop];
         }
         return result;
@@ -1945,15 +1953,6 @@ var ts;
         var _b;
     }
     ts.arrayFrom = arrayFrom;
-    function convertToArray(iterator, f) {
-        var result = [];
-        for (var _a = iterator.next(), value = _a.value, done = _a.done; !done; _b = iterator.next(), value = _b.value, done = _b.done, _b) {
-            result.push(f(value));
-        }
-        return result;
-        var _b;
-    }
-    ts.convertToArray = convertToArray;
     function forEachEntry(map, callback) {
         var iterator = map.entries();
         for (var _a = iterator.next(), pair = _a.value, done = _a.done; !done; _b = iterator.next(), pair = _b.value, done = _b.done, _b) {
@@ -2025,13 +2024,17 @@ var ts;
     ts.equalOwnProperties = equalOwnProperties;
     function arrayToMap(array, makeKey, makeValue) {
         var result = createMap();
-        for (var _i = 0, array_8 = array; _i < array_8.length; _i++) {
-            var value = array_8[_i];
+        for (var _i = 0, array_7 = array; _i < array_7.length; _i++) {
+            var value = array_7[_i];
             result.set(makeKey(value), makeValue ? makeValue(value) : value);
         }
         return result;
     }
     ts.arrayToMap = arrayToMap;
+    function arrayToSet(array, makeKey) {
+        return arrayToMap(array, makeKey || (function (s) { return s; }), function () { return true; });
+    }
+    ts.arrayToSet = arrayToSet;
     function cloneMap(map) {
         var clone = createMap();
         copyEntries(map, clone);
@@ -2182,11 +2185,11 @@ var ts;
     ts.getLocaleSpecificMessage = getLocaleSpecificMessage;
     function createFileDiagnostic(file, start, length, message) {
         var end = start + length;
-        Debug.assert(start >= 0, "start must be non-negative, is " + start);
-        Debug.assert(length >= 0, "length must be non-negative, is " + length);
+        Debug.assertGreaterThanOrEqual(start, 0);
+        Debug.assertGreaterThanOrEqual(length, 0);
         if (file) {
-            Debug.assert(start <= file.text.length, "start must be within the bounds of the file. " + start + " > " + file.text.length);
-            Debug.assert(end <= file.text.length, "end must be the bounds of the file. " + end + " > " + file.text.length);
+            Debug.assertLessThanOrEqual(start, file.text.length);
+            Debug.assertLessThanOrEqual(end, file.text.length);
         }
         var text = getLocaleSpecificMessage(message);
         if (arguments.length > 4) {
@@ -2420,10 +2423,18 @@ var ts;
         return path && !isRootedDiskPath(path) && path.indexOf("://") !== -1;
     }
     ts.isUrl = isUrl;
+    function pathIsRelative(path) {
+        return /^\.\.?($|[\\/])/.test(path);
+    }
+    ts.pathIsRelative = pathIsRelative;
     function isExternalModuleNameRelative(moduleName) {
-        return /^\.\.?($|[\\/])/.test(moduleName);
+        return pathIsRelative(moduleName) || isRootedDiskPath(moduleName);
     }
     ts.isExternalModuleNameRelative = isExternalModuleNameRelative;
+    function moduleHasNonRelativeName(moduleName) {
+        return !isExternalModuleNameRelative(moduleName);
+    }
+    ts.moduleHasNonRelativeName = moduleHasNonRelativeName;
     function getEmitScriptTarget(compilerOptions) {
         return compilerOptions.target || 0;
     }
@@ -2526,7 +2537,7 @@ var ts;
         var pathComponents = getNormalizedPathOrUrlComponents(relativeOrAbsolutePath, currentDirectory);
         var directoryComponents = getNormalizedPathOrUrlComponents(directoryPathOrUrl, currentDirectory);
         if (directoryComponents.length > 1 && lastOrUndefined(directoryComponents) === "") {
-            directoryComponents.length--;
+            directoryComponents.pop();
         }
         var joinStartIndex;
         for (joinStartIndex = 0; joinStartIndex < pathComponents.length && joinStartIndex < directoryComponents.length; joinStartIndex++) {
@@ -2662,8 +2673,28 @@ var ts;
     ts.fileExtensionIsOneOf = fileExtensionIsOneOf;
     var reservedCharacterPattern = /[^\w\s\/]/g;
     var wildcardCharCodes = [42, 63];
-    var singleAsteriskRegexFragmentFiles = "([^./]|(\\.(?!min\\.js$))?)*";
-    var singleAsteriskRegexFragmentOther = "[^/]*";
+    ts.commonPackageFolders = ["node_modules", "bower_components", "jspm_packages"];
+    var implicitExcludePathRegexPattern = "(?!(" + ts.commonPackageFolders.join("|") + ")(/|$))";
+    var filesMatcher = {
+        singleAsteriskRegexFragment: "([^./]|(\\.(?!min\\.js$))?)*",
+        doubleAsteriskRegexFragment: "(/" + implicitExcludePathRegexPattern + "[^/.][^/]*)*?",
+        replaceWildcardCharacter: function (match) { return replaceWildcardCharacter(match, filesMatcher.singleAsteriskRegexFragment); }
+    };
+    var directoriesMatcher = {
+        singleAsteriskRegexFragment: "[^/]*",
+        doubleAsteriskRegexFragment: "(/" + implicitExcludePathRegexPattern + "[^/.][^/]*)*?",
+        replaceWildcardCharacter: function (match) { return replaceWildcardCharacter(match, directoriesMatcher.singleAsteriskRegexFragment); }
+    };
+    var excludeMatcher = {
+        singleAsteriskRegexFragment: "[^/]*",
+        doubleAsteriskRegexFragment: "(/.+?)?",
+        replaceWildcardCharacter: function (match) { return replaceWildcardCharacter(match, excludeMatcher.singleAsteriskRegexFragment); }
+    };
+    var wildcardMatchers = {
+        files: filesMatcher,
+        directories: directoriesMatcher,
+        exclude: excludeMatcher
+    };
     function getRegularExpressionForWildcard(specs, basePath, usage) {
         var patterns = getRegularExpressionsForWildcards(specs, basePath, usage);
         if (!patterns || !patterns.length) {
@@ -2678,18 +2709,16 @@ var ts;
         if (specs === undefined || specs.length === 0) {
             return undefined;
         }
-        var replaceWildcardCharacter = usage === "files" ? replaceWildCardCharacterFiles : replaceWildCardCharacterOther;
-        var singleAsteriskRegexFragment = usage === "files" ? singleAsteriskRegexFragmentFiles : singleAsteriskRegexFragmentOther;
-        var doubleAsteriskRegexFragment = usage === "exclude" ? "(/.+?)?" : "(/[^/.][^/]*)*?";
         return flatMap(specs, function (spec) {
-            return spec && getSubPatternFromSpec(spec, basePath, usage, singleAsteriskRegexFragment, doubleAsteriskRegexFragment, replaceWildcardCharacter);
+            return spec && getSubPatternFromSpec(spec, basePath, usage, wildcardMatchers[usage]);
         });
     }
     function isImplicitGlob(lastPathComponent) {
         return !/[.*?]/.test(lastPathComponent);
     }
     ts.isImplicitGlob = isImplicitGlob;
-    function getSubPatternFromSpec(spec, basePath, usage, singleAsteriskRegexFragment, doubleAsteriskRegexFragment, replaceWildcardCharacter) {
+    function getSubPatternFromSpec(spec, basePath, usage, _a) {
+        var singleAsteriskRegexFragment = _a.singleAsteriskRegexFragment, doubleAsteriskRegexFragment = _a.doubleAsteriskRegexFragment, replaceWildcardCharacter = _a.replaceWildcardCharacter;
         var subpattern = "";
         var hasRecursiveDirectoryWildcard = false;
         var hasWrittenComponent = false;
@@ -2721,16 +2750,24 @@ var ts;
                     subpattern += ts.directorySeparator;
                 }
                 if (usage !== "exclude") {
+                    var componentPattern = "";
                     if (component.charCodeAt(0) === 42) {
-                        subpattern += "([^./]" + singleAsteriskRegexFragment + ")?";
+                        componentPattern += "([^./]" + singleAsteriskRegexFragment + ")?";
                         component = component.substr(1);
                     }
                     else if (component.charCodeAt(0) === 63) {
-                        subpattern += "[^./]";
+                        componentPattern += "[^./]";
                         component = component.substr(1);
                     }
+                    componentPattern += component.replace(reservedCharacterPattern, replaceWildcardCharacter);
+                    if (componentPattern !== component) {
+                        subpattern += implicitExcludePathRegexPattern;
+                    }
+                    subpattern += componentPattern;
+                }
+                else {
+                    subpattern += component.replace(reservedCharacterPattern, replaceWildcardCharacter);
                 }
-                subpattern += component.replace(reservedCharacterPattern, replaceWildcardCharacter);
             }
             hasWrittenComponent = true;
         }
@@ -2740,12 +2777,6 @@ var ts;
         }
         return subpattern;
     }
-    function replaceWildCardCharacterFiles(match) {
-        return replaceWildcardCharacter(match, singleAsteriskRegexFragmentFiles);
-    }
-    function replaceWildCardCharacterOther(match) {
-        return replaceWildcardCharacter(match, singleAsteriskRegexFragmentOther);
-    }
     function replaceWildcardCharacter(match, singleAsteriskRegexFragment) {
         return match === "*" ? singleAsteriskRegexFragment : match === "?" ? "[^/]" : "\\" + match;
     }
@@ -2762,7 +2793,7 @@ var ts;
         };
     }
     ts.getFileMatcherPatterns = getFileMatcherPatterns;
-    function matchFiles(path, extensions, excludes, includes, useCaseSensitiveFileNames, currentDirectory, getFileSystemEntries) {
+    function matchFiles(path, extensions, excludes, includes, useCaseSensitiveFileNames, currentDirectory, depth, getFileSystemEntries) {
         path = normalizePath(path);
         currentDirectory = normalizePath(currentDirectory);
         var patterns = getFileMatcherPatterns(path, excludes, includes, useCaseSensitiveFileNames, currentDirectory);
@@ -2774,13 +2805,12 @@ var ts;
         var comparer = useCaseSensitiveFileNames ? compareStrings : compareStringsCaseInsensitive;
         for (var _i = 0, _a = patterns.basePaths; _i < _a.length; _i++) {
             var basePath = _a[_i];
-            visitDirectory(basePath, combinePaths(currentDirectory, basePath));
+            visitDirectory(basePath, combinePaths(currentDirectory, basePath), depth);
         }
         return flatten(results);
-        function visitDirectory(path, absolutePath) {
+        function visitDirectory(path, absolutePath, depth) {
             var _a = getFileSystemEntries(path), files = _a.files, directories = _a.directories;
             files = files.slice().sort(comparer);
-            directories = directories.slice().sort(comparer);
             var _loop_1 = function (current) {
                 var name = combinePaths(path, current);
                 var absoluteName = combinePaths(absolutePath, current);
@@ -2802,13 +2832,20 @@ var ts;
                 var current = files_1[_i];
                 _loop_1(current);
             }
+            if (depth !== undefined) {
+                depth--;
+                if (depth === 0) {
+                    return;
+                }
+            }
+            directories = directories.slice().sort(comparer);
             for (var _b = 0, directories_1 = directories; _b < directories_1.length; _b++) {
                 var current = directories_1[_b];
                 var name = combinePaths(path, current);
                 var absoluteName = combinePaths(absolutePath, current);
                 if ((!includeDirectoryRegex || includeDirectoryRegex.test(absoluteName)) &&
                     (!excludeRegex || !excludeRegex.test(absoluteName))) {
-                    visitDirectory(name, absoluteName);
+                    visitDirectory(name, absoluteName, depth);
                 }
             }
         }
@@ -2846,7 +2883,7 @@ var ts;
         return absolute.substring(0, absolute.lastIndexOf(ts.directorySeparator, wildcardOffset));
     }
     function ensureScriptKind(fileName, scriptKind) {
-        return (scriptKind || getScriptKindFromFileName(fileName)) || 3;
+        return scriptKind || getScriptKindFromFileName(fileName) || 3;
     }
     ts.ensureScriptKind = ensureScriptKind;
     function getScriptKindFromFileName(fileName) {
@@ -2860,6 +2897,8 @@ var ts;
                 return 3;
             case ".tsx":
                 return 4;
+            case ".json":
+                return 6;
             default:
                 return 0;
         }
@@ -2874,14 +2913,7 @@ var ts;
         if (!extraFileExtensions || extraFileExtensions.length === 0 || !needAllExtensions) {
             return needAllExtensions ? allSupportedExtensions : ts.supportedTypeScriptExtensions;
         }
-        var extensions = allSupportedExtensions.slice(0);
-        for (var _i = 0, extraFileExtensions_1 = extraFileExtensions; _i < extraFileExtensions_1.length; _i++) {
-            var extInfo = extraFileExtensions_1[_i];
-            if (extensions.indexOf(extInfo.extension) === -1) {
-                extensions.push(extInfo.extension);
-            }
-        }
-        return extensions;
+        return deduplicate(allSupportedExtensions.concat(extraFileExtensions.map(function (e) { return e.extension; })));
     }
     ts.getSupportedExtensions = getSupportedExtensions;
     function hasJavaScriptFileExtension(fileName) {
@@ -2968,7 +3000,7 @@ var ts;
     ts.changeExtension = changeExtension;
     function Symbol(flags, name) {
         this.flags = flags;
-        this.name = name;
+        this.escapedName = name;
         this.declarations = undefined;
     }
     function Type(checker, flags) {
@@ -3023,15 +3055,40 @@ var ts;
         function assert(expression, message, verboseDebugInfo, stackCrawlMark) {
             if (!expression) {
                 if (verboseDebugInfo) {
-                    message += "\r\nVerbose Debug Information: " + verboseDebugInfo();
+                    message += "\r\nVerbose Debug Information: " + (typeof verboseDebugInfo === "string" ? verboseDebugInfo : verboseDebugInfo());
                 }
                 fail(message ? "False expression: " + message : "False expression.", stackCrawlMark || assert);
             }
         }
         Debug.assert = assert;
+        function assertEqual(a, b, msg, msg2) {
+            if (a !== b) {
+                var message = msg ? msg2 ? msg + " " + msg2 : msg : "";
+                fail("Expected " + a + " === " + b + ". " + message);
+            }
+        }
+        Debug.assertEqual = assertEqual;
+        function assertLessThan(a, b, msg) {
+            if (a >= b) {
+                fail("Expected " + a + " < " + b + ". " + (msg || ""));
+            }
+        }
+        Debug.assertLessThan = assertLessThan;
+        function assertLessThanOrEqual(a, b) {
+            if (a > b) {
+                fail("Expected " + a + " <= " + b);
+            }
+        }
+        Debug.assertLessThanOrEqual = assertLessThanOrEqual;
+        function assertGreaterThanOrEqual(a, b) {
+            if (a < b) {
+                fail("Expected " + a + " >= " + b);
+            }
+        }
+        Debug.assertGreaterThanOrEqual = assertGreaterThanOrEqual;
         function fail(message, stackCrawlMark) {
             debugger;
-            var e = new Error(message ? "Debug Failure. " : "Debug Failure.");
+            var e = new Error(message ? "Debug Failure. " + message : "Debug Failure.");
             if (Error.captureStackTrace) {
                 Error.captureStackTrace(e, stackCrawlMark || fail);
             }
@@ -3152,7 +3209,7 @@ var ts;
     }
     ts.positionIsSynthesized = positionIsSynthesized;
     function extensionIsTypeScript(ext) {
-        return ext <= ts.Extension.LastTypeScriptExtension;
+        return ext === ".ts" || ext === ".tsx" || ext === ".d.ts";
     }
     ts.extensionIsTypeScript = extensionIsTypeScript;
     function extensionFromPath(path) {
@@ -3163,31 +3220,35 @@ var ts;
         Debug.fail("File " + path + " has unknown extension.");
     }
     ts.extensionFromPath = extensionFromPath;
+    function isAnySupportedFileExtension(path) {
+        return tryGetExtensionFromPath(path) !== undefined;
+    }
+    ts.isAnySupportedFileExtension = isAnySupportedFileExtension;
     function tryGetExtensionFromPath(path) {
-        if (fileExtensionIs(path, ".d.ts")) {
-            return ts.Extension.Dts;
-        }
-        if (fileExtensionIs(path, ".ts")) {
-            return ts.Extension.Ts;
-        }
-        if (fileExtensionIs(path, ".tsx")) {
-            return ts.Extension.Tsx;
-        }
-        if (fileExtensionIs(path, ".js")) {
-            return ts.Extension.Js;
-        }
-        if (fileExtensionIs(path, ".jsx")) {
-            return ts.Extension.Jsx;
-        }
+        return find(ts.supportedTypescriptExtensionsForExtractExtension, function (e) { return fileExtensionIs(path, e); }) || find(ts.supportedJavascriptExtensions, function (e) { return fileExtensionIs(path, e); });
     }
     ts.tryGetExtensionFromPath = tryGetExtensionFromPath;
     function isCheckJsEnabledForFile(sourceFile, compilerOptions) {
         return sourceFile.checkJsDirective ? sourceFile.checkJsDirective.enabled : compilerOptions.checkJs;
     }
     ts.isCheckJsEnabledForFile = isCheckJsEnabledForFile;
+    function assertTypeIsNever(_) { }
+    ts.assertTypeIsNever = assertTypeIsNever;
 })(ts || (ts = {}));
 var ts;
 (function (ts) {
+    function setStackTraceLimit() {
+        if (Error.stackTraceLimit < 100) {
+            Error.stackTraceLimit = 100;
+        }
+    }
+    ts.setStackTraceLimit = setStackTraceLimit;
+    var FileWatcherEventKind;
+    (function (FileWatcherEventKind) {
+        FileWatcherEventKind[FileWatcherEventKind["Created"] = 0] = "Created";
+        FileWatcherEventKind[FileWatcherEventKind["Changed"] = 1] = "Changed";
+        FileWatcherEventKind[FileWatcherEventKind["Deleted"] = 2] = "Deleted";
+    })(FileWatcherEventKind = ts.FileWatcherEventKind || (ts.FileWatcherEventKind = {}));
     function getNodeMajorVersion() {
         if (typeof process === "undefined") {
             return undefined;
@@ -3231,7 +3292,7 @@ var ts;
                         watcher.referenceCount += 1;
                         return;
                     }
-                    watcher = _fs.watch(dirPath, { persistent: true }, function (eventName, relativeFileName) { return fileEventHandler(eventName, relativeFileName, dirPath); });
+                    watcher = _fs.watch(dirPath || ".", { persistent: true }, function (eventName, relativeFileName) { return fileEventHandler(eventName, relativeFileName, dirPath); });
                     watcher.referenceCount = 1;
                     dirWatchers.set(dirPath, watcher);
                     return;
@@ -3260,7 +3321,7 @@ var ts;
                         if (callbacks) {
                             for (var _i = 0, callbacks_1 = callbacks; _i < callbacks_1.length; _i++) {
                                 var fileCallback = callbacks_1[_i];
-                                fileCallback(fileName);
+                                fileCallback(fileName, FileWatcherEventKind.Changed);
                             }
                         }
                     }
@@ -3273,7 +3334,13 @@ var ts;
                 if (platform === "win32" || platform === "win64") {
                     return false;
                 }
-                return !fileExists(__filename.toUpperCase()) || !fileExists(__filename.toLowerCase());
+                return !fileExists(swapCase(__filename));
+            }
+            function swapCase(s) {
+                return s.replace(/\w/g, function (ch) {
+                    var up = ch.toUpperCase();
+                    return ch === up ? ch.toLowerCase() : up;
+                });
             }
             var platform = _os.platform();
             var useCaseSensitiveFileNames = isFileSystemCaseSensitive();
@@ -3346,8 +3413,8 @@ var ts;
                     return { files: [], directories: [] };
                 }
             }
-            function readDirectory(path, extensions, excludes, includes) {
-                return ts.matchFiles(path, extensions, excludes, includes, useCaseSensitiveFileNames, process.cwd(), getAccessibleFileSystemEntries);
+            function readDirectory(path, extensions, excludes, includes, depth) {
+                return ts.matchFiles(path, extensions, excludes, includes, useCaseSensitiveFileNames, process.cwd(), depth, getAccessibleFileSystemEntries);
             }
             var FileSystemEntryKind;
             (function (FileSystemEntryKind) {
@@ -3399,10 +3466,19 @@ var ts;
                         };
                     }
                     function fileChanged(curr, prev) {
-                        if (+curr.mtime <= +prev.mtime) {
+                        var isCurrZero = +curr.mtime === 0;
+                        var isPrevZero = +prev.mtime === 0;
+                        var created = !isCurrZero && isPrevZero;
+                        var deleted = isCurrZero && !isPrevZero;
+                        var eventKind = created
+                            ? FileWatcherEventKind.Created
+                            : deleted
+                                ? FileWatcherEventKind.Deleted
+                                : FileWatcherEventKind.Changed;
+                        if (eventKind === FileWatcherEventKind.Changed && +curr.mtime <= +prev.mtime) {
                             return;
                         }
-                        callback(fileName);
+                        callback(fileName, eventKind);
                     }
                 },
                 watchDirectory: function (directoryName, callback, recursive) {
@@ -3422,9 +3498,7 @@ var ts;
                         }
                     });
                 },
-                resolvePath: function (path) {
-                    return _path.resolve(path);
-                },
+                resolvePath: function (path) { return _path.resolve(path); },
                 fileExists: fileExists,
                 directoryExists: directoryExists,
                 createDirectory: function (directoryName) {
@@ -3515,7 +3589,7 @@ var ts;
                 getCurrentDirectory: function () { return ChakraHost.currentDirectory; },
                 getDirectories: ChakraHost.getDirectories,
                 getEnvironmentVariable: ChakraHost.getEnvironmentVariable || (function () { return ""; }),
-                readDirectory: function (path, extensions, excludes, includes) {
+                readDirectory: function (path, extensions, excludes, includes, _depth) {
                     var pattern = ts.getFileMatcherPatterns(path, excludes, includes, !!ChakraHost.useCaseSensitiveFileNames, ChakraHost.currentDirectory);
                     return ChakraHost.readDirectory(path, extensions, pattern.basePaths, pattern.excludePattern, pattern.includeFilePattern, pattern.includeDirectoryPattern);
                 },
@@ -3563,4694 +3637,937 @@ var ts;
 })(ts || (ts = {}));
 var ts;
 (function (ts) {
-    ts.Diagnostics = {
-        Unterminated_string_literal: { code: 1002, category: ts.DiagnosticCategory.Error, key: "Unterminated_string_literal_1002", message: "Unterminated string literal." },
-        Identifier_expected: { code: 1003, category: ts.DiagnosticCategory.Error, key: "Identifier_expected_1003", message: "Identifier expected." },
-        _0_expected: { code: 1005, category: ts.DiagnosticCategory.Error, key: "_0_expected_1005", message: "'{0}' expected." },
-        A_file_cannot_have_a_reference_to_itself: { code: 1006, category: ts.DiagnosticCategory.Error, key: "A_file_cannot_have_a_reference_to_itself_1006", message: "A file cannot have a reference to itself." },
-        Trailing_comma_not_allowed: { code: 1009, category: ts.DiagnosticCategory.Error, key: "Trailing_comma_not_allowed_1009", message: "Trailing comma not allowed." },
-        Asterisk_Slash_expected: { code: 1010, category: ts.DiagnosticCategory.Error, key: "Asterisk_Slash_expected_1010", message: "'*/' expected." },
-        Unexpected_token: { code: 1012, category: ts.DiagnosticCategory.Error, key: "Unexpected_token_1012", message: "Unexpected token." },
-        A_rest_parameter_must_be_last_in_a_parameter_list: { code: 1014, category: ts.DiagnosticCategory.Error, key: "A_rest_parameter_must_be_last_in_a_parameter_list_1014", message: "A rest parameter must be last in a parameter list." },
-        Parameter_cannot_have_question_mark_and_initializer: { code: 1015, category: ts.DiagnosticCategory.Error, key: "Parameter_cannot_have_question_mark_and_initializer_1015", message: "Parameter cannot have question mark and initializer." },
-        A_required_parameter_cannot_follow_an_optional_parameter: { code: 1016, category: ts.DiagnosticCategory.Error, key: "A_required_parameter_cannot_follow_an_optional_parameter_1016", message: "A required parameter cannot follow an optional parameter." },
-        An_index_signature_cannot_have_a_rest_parameter: { code: 1017, category: ts.DiagnosticCategory.Error, key: "An_index_signature_cannot_have_a_rest_parameter_1017", message: "An index signature cannot have a rest parameter." },
-        An_index_signature_parameter_cannot_have_an_accessibility_modifier: { code: 1018, category: ts.DiagnosticCategory.Error, key: "An_index_signature_parameter_cannot_have_an_accessibility_modifier_1018", message: "An index signature parameter cannot have an accessibility modifier." },
-        An_index_signature_parameter_cannot_have_a_question_mark: { code: 1019, category: ts.DiagnosticCategory.Error, key: "An_index_signature_parameter_cannot_have_a_question_mark_1019", message: "An index signature parameter cannot have a question mark." },
-        An_index_signature_parameter_cannot_have_an_initializer: { code: 1020, category: ts.DiagnosticCategory.Error, key: "An_index_signature_parameter_cannot_have_an_initializer_1020", message: "An index signature parameter cannot have an initializer." },
-        An_index_signature_must_have_a_type_annotation: { code: 1021, category: ts.DiagnosticCategory.Error, key: "An_index_signature_must_have_a_type_annotation_1021", message: "An index signature must have a type annotation." },
-        An_index_signature_parameter_must_have_a_type_annotation: { code: 1022, category: ts.DiagnosticCategory.Error, key: "An_index_signature_parameter_must_have_a_type_annotation_1022", message: "An index signature parameter must have a type annotation." },
-        An_index_signature_parameter_type_must_be_string_or_number: { code: 1023, category: ts.DiagnosticCategory.Error, key: "An_index_signature_parameter_type_must_be_string_or_number_1023", message: "An index signature parameter type must be 'string' or 'number'." },
-        readonly_modifier_can_only_appear_on_a_property_declaration_or_index_signature: { code: 1024, category: ts.DiagnosticCategory.Error, key: "readonly_modifier_can_only_appear_on_a_property_declaration_or_index_signature_1024", message: "'readonly' modifier can only appear on a property declaration or index signature." },
-        Accessibility_modifier_already_seen: { code: 1028, category: ts.DiagnosticCategory.Error, key: "Accessibility_modifier_already_seen_1028", message: "Accessibility modifier already seen." },
-        _0_modifier_must_precede_1_modifier: { code: 1029, category: ts.DiagnosticCategory.Error, key: "_0_modifier_must_precede_1_modifier_1029", message: "'{0}' modifier must precede '{1}' modifier." },
-        _0_modifier_already_seen: { code: 1030, category: ts.DiagnosticCategory.Error, key: "_0_modifier_already_seen_1030", message: "'{0}' modifier already seen." },
-        _0_modifier_cannot_appear_on_a_class_element: { code: 1031, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_appear_on_a_class_element_1031", message: "'{0}' modifier cannot appear on a class element." },
-        super_must_be_followed_by_an_argument_list_or_member_access: { code: 1034, category: ts.DiagnosticCategory.Error, key: "super_must_be_followed_by_an_argument_list_or_member_access_1034", message: "'super' must be followed by an argument list or member access." },
-        Only_ambient_modules_can_use_quoted_names: { code: 1035, category: ts.DiagnosticCategory.Error, key: "Only_ambient_modules_can_use_quoted_names_1035", message: "Only ambient modules can use quoted names." },
-        Statements_are_not_allowed_in_ambient_contexts: { code: 1036, category: ts.DiagnosticCategory.Error, key: "Statements_are_not_allowed_in_ambient_contexts_1036", message: "Statements are not allowed in ambient contexts." },
-        A_declare_modifier_cannot_be_used_in_an_already_ambient_context: { code: 1038, category: ts.DiagnosticCategory.Error, key: "A_declare_modifier_cannot_be_used_in_an_already_ambient_context_1038", message: "A 'declare' modifier cannot be used in an already ambient context." },
-        Initializers_are_not_allowed_in_ambient_contexts: { code: 1039, category: ts.DiagnosticCategory.Error, key: "Initializers_are_not_allowed_in_ambient_contexts_1039", message: "Initializers are not allowed in ambient contexts." },
-        _0_modifier_cannot_be_used_in_an_ambient_context: { code: 1040, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_be_used_in_an_ambient_context_1040", message: "'{0}' modifier cannot be used in an ambient context." },
-        _0_modifier_cannot_be_used_with_a_class_declaration: { code: 1041, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_be_used_with_a_class_declaration_1041", message: "'{0}' modifier cannot be used with a class declaration." },
-        _0_modifier_cannot_be_used_here: { code: 1042, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_be_used_here_1042", message: "'{0}' modifier cannot be used here." },
-        _0_modifier_cannot_appear_on_a_data_property: { code: 1043, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_appear_on_a_data_property_1043", message: "'{0}' modifier cannot appear on a data property." },
-        _0_modifier_cannot_appear_on_a_module_or_namespace_element: { code: 1044, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_appear_on_a_module_or_namespace_element_1044", message: "'{0}' modifier cannot appear on a module or namespace element." },
-        A_0_modifier_cannot_be_used_with_an_interface_declaration: { code: 1045, category: ts.DiagnosticCategory.Error, key: "A_0_modifier_cannot_be_used_with_an_interface_declaration_1045", message: "A '{0}' modifier cannot be used with an interface declaration." },
-        A_declare_modifier_is_required_for_a_top_level_declaration_in_a_d_ts_file: { code: 1046, category: ts.DiagnosticCategory.Error, key: "A_declare_modifier_is_required_for_a_top_level_declaration_in_a_d_ts_file_1046", message: "A 'declare' modifier is required for a top level declaration in a .d.ts file." },
-        A_rest_parameter_cannot_be_optional: { code: 1047, category: ts.DiagnosticCategory.Error, key: "A_rest_parameter_cannot_be_optional_1047", message: "A rest parameter cannot be optional." },
-        A_rest_parameter_cannot_have_an_initializer: { code: 1048, category: ts.DiagnosticCategory.Error, key: "A_rest_parameter_cannot_have_an_initializer_1048", message: "A rest parameter cannot have an initializer." },
-        A_set_accessor_must_have_exactly_one_parameter: { code: 1049, category: ts.DiagnosticCategory.Error, key: "A_set_accessor_must_have_exactly_one_parameter_1049", message: "A 'set' accessor must have exactly one parameter." },
-        A_set_accessor_cannot_have_an_optional_parameter: { code: 1051, category: ts.DiagnosticCategory.Error, key: "A_set_accessor_cannot_have_an_optional_parameter_1051", message: "A 'set' accessor cannot have an optional parameter." },
-        A_set_accessor_parameter_cannot_have_an_initializer: { code: 1052, category: ts.DiagnosticCategory.Error, key: "A_set_accessor_parameter_cannot_have_an_initializer_1052", message: "A 'set' accessor parameter cannot have an initializer." },
-        A_set_accessor_cannot_have_rest_parameter: { code: 1053, category: ts.DiagnosticCategory.Error, key: "A_set_accessor_cannot_have_rest_parameter_1053", message: "A 'set' accessor cannot have rest parameter." },
-        A_get_accessor_cannot_have_parameters: { code: 1054, category: ts.DiagnosticCategory.Error, key: "A_get_accessor_cannot_have_parameters_1054", message: "A 'get' accessor cannot have parameters." },
-        Type_0_is_not_a_valid_async_function_return_type_in_ES5_SlashES3_because_it_does_not_refer_to_a_Promise_compatible_constructor_value: { code: 1055, category: ts.DiagnosticCategory.Error, key: "Type_0_is_not_a_valid_async_function_return_type_in_ES5_SlashES3_because_it_does_not_refer_to_a_Prom_1055", message: "Type '{0}' is not a valid async function return type in ES5/ES3 because it does not refer to a Promise-compatible constructor value." },
-        Accessors_are_only_available_when_targeting_ECMAScript_5_and_higher: { code: 1056, category: ts.DiagnosticCategory.Error, key: "Accessors_are_only_available_when_targeting_ECMAScript_5_and_higher_1056", message: "Accessors are only available when targeting ECMAScript 5 and higher." },
-        An_async_function_or_method_must_have_a_valid_awaitable_return_type: { code: 1057, category: ts.DiagnosticCategory.Error, key: "An_async_function_or_method_must_have_a_valid_awaitable_return_type_1057", message: "An async function or method must have a valid awaitable return type." },
-        The_return_type_of_an_async_function_must_either_be_a_valid_promise_or_must_not_contain_a_callable_then_member: { code: 1058, category: ts.DiagnosticCategory.Error, key: "The_return_type_of_an_async_function_must_either_be_a_valid_promise_or_must_not_contain_a_callable_t_1058", message: "The return type of an async function must either be a valid promise or must not contain a callable 'then' member." },
-        A_promise_must_have_a_then_method: { code: 1059, category: ts.DiagnosticCategory.Error, key: "A_promise_must_have_a_then_method_1059", message: "A promise must have a 'then' method." },
-        The_first_parameter_of_the_then_method_of_a_promise_must_be_a_callback: { code: 1060, category: ts.DiagnosticCategory.Error, key: "The_first_parameter_of_the_then_method_of_a_promise_must_be_a_callback_1060", message: "The first parameter of the 'then' method of a promise must be a callback." },
-        Enum_member_must_have_initializer: { code: 1061, category: ts.DiagnosticCategory.Error, key: "Enum_member_must_have_initializer_1061", message: "Enum member must have initializer." },
-        Type_is_referenced_directly_or_indirectly_in_the_fulfillment_callback_of_its_own_then_method: { code: 1062, category: ts.DiagnosticCategory.Error, key: "Type_is_referenced_directly_or_indirectly_in_the_fulfillment_callback_of_its_own_then_method_1062", message: "Type is referenced directly or indirectly in the fulfillment callback of its own 'then' method." },
-        An_export_assignment_cannot_be_used_in_a_namespace: { code: 1063, category: ts.DiagnosticCategory.Error, key: "An_export_assignment_cannot_be_used_in_a_namespace_1063", message: "An export assignment cannot be used in a namespace." },
-        The_return_type_of_an_async_function_or_method_must_be_the_global_Promise_T_type: { code: 1064, category: ts.DiagnosticCategory.Error, key: "The_return_type_of_an_async_function_or_method_must_be_the_global_Promise_T_type_1064", message: "The return type of an async function or method must be the global Promise<T> type." },
-        In_ambient_enum_declarations_member_initializer_must_be_constant_expression: { code: 1066, category: ts.DiagnosticCategory.Error, key: "In_ambient_enum_declarations_member_initializer_must_be_constant_expression_1066", message: "In ambient enum declarations member initializer must be constant expression." },
-        Unexpected_token_A_constructor_method_accessor_or_property_was_expected: { code: 1068, category: ts.DiagnosticCategory.Error, key: "Unexpected_token_A_constructor_method_accessor_or_property_was_expected_1068", message: "Unexpected token. A constructor, method, accessor, or property was expected." },
-        _0_modifier_cannot_appear_on_a_type_member: { code: 1070, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_appear_on_a_type_member_1070", message: "'{0}' modifier cannot appear on a type member." },
-        _0_modifier_cannot_appear_on_an_index_signature: { code: 1071, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_appear_on_an_index_signature_1071", message: "'{0}' modifier cannot appear on an index signature." },
-        A_0_modifier_cannot_be_used_with_an_import_declaration: { code: 1079, category: ts.DiagnosticCategory.Error, key: "A_0_modifier_cannot_be_used_with_an_import_declaration_1079", message: "A '{0}' modifier cannot be used with an import declaration." },
-        Invalid_reference_directive_syntax: { code: 1084, category: ts.DiagnosticCategory.Error, key: "Invalid_reference_directive_syntax_1084", message: "Invalid 'reference' directive syntax." },
-        Octal_literals_are_not_available_when_targeting_ECMAScript_5_and_higher_Use_the_syntax_0: { code: 1085, category: ts.DiagnosticCategory.Error, key: "Octal_literals_are_not_available_when_targeting_ECMAScript_5_and_higher_Use_the_syntax_0_1085", message: "Octal literals are not available when targeting ECMAScript 5 and higher. Use the syntax '{0}'." },
-        An_accessor_cannot_be_declared_in_an_ambient_context: { code: 1086, category: ts.DiagnosticCategory.Error, key: "An_accessor_cannot_be_declared_in_an_ambient_context_1086", message: "An accessor cannot be declared in an ambient context." },
-        _0_modifier_cannot_appear_on_a_constructor_declaration: { code: 1089, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_appear_on_a_constructor_declaration_1089", message: "'{0}' modifier cannot appear on a constructor declaration." },
-        _0_modifier_cannot_appear_on_a_parameter: { code: 1090, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_appear_on_a_parameter_1090", message: "'{0}' modifier cannot appear on a parameter." },
-        Only_a_single_variable_declaration_is_allowed_in_a_for_in_statement: { code: 1091, category: ts.DiagnosticCategory.Error, key: "Only_a_single_variable_declaration_is_allowed_in_a_for_in_statement_1091", message: "Only a single variable declaration is allowed in a 'for...in' statement." },
-        Type_parameters_cannot_appear_on_a_constructor_declaration: { code: 1092, category: ts.DiagnosticCategory.Error, key: "Type_parameters_cannot_appear_on_a_constructor_declaration_1092", message: "Type parameters cannot appear on a constructor declaration." },
-        Type_annotation_cannot_appear_on_a_constructor_declaration: { code: 1093, category: ts.DiagnosticCategory.Error, key: "Type_annotation_cannot_appear_on_a_constructor_declaration_1093", message: "Type annotation cannot appear on a constructor declaration." },
-        An_accessor_cannot_have_type_parameters: { code: 1094, category: ts.DiagnosticCategory.Error, key: "An_accessor_cannot_have_type_parameters_1094", message: "An accessor cannot have type parameters." },
-        A_set_accessor_cannot_have_a_return_type_annotation: { code: 1095, category: ts.DiagnosticCategory.Error, key: "A_set_accessor_cannot_have_a_return_type_annotation_1095", message: "A 'set' accessor cannot have a return type annotation." },
-        An_index_signature_must_have_exactly_one_parameter: { code: 1096, category: ts.DiagnosticCategory.Error, key: "An_index_signature_must_have_exactly_one_parameter_1096", message: "An index signature must have exactly one parameter." },
-        _0_list_cannot_be_empty: { code: 1097, category: ts.DiagnosticCategory.Error, key: "_0_list_cannot_be_empty_1097", message: "'{0}' list cannot be empty." },
-        Type_parameter_list_cannot_be_empty: { code: 1098, category: ts.DiagnosticCategory.Error, key: "Type_parameter_list_cannot_be_empty_1098", message: "Type parameter list cannot be empty." },
-        Type_argument_list_cannot_be_empty: { code: 1099, category: ts.DiagnosticCategory.Error, key: "Type_argument_list_cannot_be_empty_1099", message: "Type argument list cannot be empty." },
-        Invalid_use_of_0_in_strict_mode: { code: 1100, category: ts.DiagnosticCategory.Error, key: "Invalid_use_of_0_in_strict_mode_1100", message: "Invalid use of '{0}' in strict mode." },
-        with_statements_are_not_allowed_in_strict_mode: { code: 1101, category: ts.DiagnosticCategory.Error, key: "with_statements_are_not_allowed_in_strict_mode_1101", message: "'with' statements are not allowed in strict mode." },
-        delete_cannot_be_called_on_an_identifier_in_strict_mode: { code: 1102, category: ts.DiagnosticCategory.Error, key: "delete_cannot_be_called_on_an_identifier_in_strict_mode_1102", message: "'delete' cannot be called on an identifier in strict mode." },
-        A_for_await_of_statement_is_only_allowed_within_an_async_function_or_async_generator: { code: 1103, category: ts.DiagnosticCategory.Error, key: "A_for_await_of_statement_is_only_allowed_within_an_async_function_or_async_generator_1103", message: "A 'for-await-of' statement is only allowed within an async function or async generator." },
-        A_continue_statement_can_only_be_used_within_an_enclosing_iteration_statement: { code: 1104, category: ts.DiagnosticCategory.Error, key: "A_continue_statement_can_only_be_used_within_an_enclosing_iteration_statement_1104", message: "A 'continue' statement can only be used within an enclosing iteration statement." },
-        A_break_statement_can_only_be_used_within_an_enclosing_iteration_or_switch_statement: { code: 1105, category: ts.DiagnosticCategory.Error, key: "A_break_statement_can_only_be_used_within_an_enclosing_iteration_or_switch_statement_1105", message: "A 'break' statement can only be used within an enclosing iteration or switch statement." },
-        Jump_target_cannot_cross_function_boundary: { code: 1107, category: ts.DiagnosticCategory.Error, key: "Jump_target_cannot_cross_function_boundary_1107", message: "Jump target cannot cross function boundary." },
-        A_return_statement_can_only_be_used_within_a_function_body: { code: 1108, category: ts.DiagnosticCategory.Error, key: "A_return_statement_can_only_be_used_within_a_function_body_1108", message: "A 'return' statement can only be used within a function body." },
-        Expression_expected: { code: 1109, category: ts.DiagnosticCategory.Error, key: "Expression_expected_1109", message: "Expression expected." },
-        Type_expected: { code: 1110, category: ts.DiagnosticCategory.Error, key: "Type_expected_1110", message: "Type expected." },
-        A_default_clause_cannot_appear_more_than_once_in_a_switch_statement: { code: 1113, category: ts.DiagnosticCategory.Error, key: "A_default_clause_cannot_appear_more_than_once_in_a_switch_statement_1113", message: "A 'default' clause cannot appear more than once in a 'switch' statement." },
-        Duplicate_label_0: { code: 1114, category: ts.DiagnosticCategory.Error, key: "Duplicate_label_0_1114", message: "Duplicate label '{0}'." },
-        A_continue_statement_can_only_jump_to_a_label_of_an_enclosing_iteration_statement: { code: 1115, category: ts.DiagnosticCategory.Error, key: "A_continue_statement_can_only_jump_to_a_label_of_an_enclosing_iteration_statement_1115", message: "A 'continue' statement can only jump to a label of an enclosing iteration statement." },
-        A_break_statement_can_only_jump_to_a_label_of_an_enclosing_statement: { code: 1116, category: ts.DiagnosticCategory.Error, key: "A_break_statement_can_only_jump_to_a_label_of_an_enclosing_statement_1116", message: "A 'break' statement can only jump to a label of an enclosing statement." },
-        An_object_literal_cannot_have_multiple_properties_with_the_same_name_in_strict_mode: { code: 1117, category: ts.DiagnosticCategory.Error, key: "An_object_literal_cannot_have_multiple_properties_with_the_same_name_in_strict_mode_1117", message: "An object literal cannot have multiple properties with the same name in strict mode." },
-        An_object_literal_cannot_have_multiple_get_Slashset_accessors_with_the_same_name: { code: 1118, category: ts.DiagnosticCategory.Error, key: "An_object_literal_cannot_have_multiple_get_Slashset_accessors_with_the_same_name_1118", message: "An object literal cannot have multiple get/set accessors with the same name." },
-        An_object_literal_cannot_have_property_and_accessor_with_the_same_name: { code: 1119, category: ts.DiagnosticCategory.Error, key: "An_object_literal_cannot_have_property_and_accessor_with_the_same_name_1119", message: "An object literal cannot have property and accessor with the same name." },
-        An_export_assignment_cannot_have_modifiers: { code: 1120, category: ts.DiagnosticCategory.Error, key: "An_export_assignment_cannot_have_modifiers_1120", message: "An export assignment cannot have modifiers." },
-        Octal_literals_are_not_allowed_in_strict_mode: { code: 1121, category: ts.DiagnosticCategory.Error, key: "Octal_literals_are_not_allowed_in_strict_mode_1121", message: "Octal literals are not allowed in strict mode." },
-        A_tuple_type_element_list_cannot_be_empty: { code: 1122, category: ts.DiagnosticCategory.Error, key: "A_tuple_type_element_list_cannot_be_empty_1122", message: "A tuple type element list cannot be empty." },
-        Variable_declaration_list_cannot_be_empty: { code: 1123, category: ts.DiagnosticCategory.Error, key: "Variable_declaration_list_cannot_be_empty_1123", message: "Variable declaration list cannot be empty." },
-        Digit_expected: { code: 1124, category: ts.DiagnosticCategory.Error, key: "Digit_expected_1124", message: "Digit expected." },
-        Hexadecimal_digit_expected: { code: 1125, category: ts.DiagnosticCategory.Error, key: "Hexadecimal_digit_expected_1125", message: "Hexadecimal digit expected." },
-        Unexpected_end_of_text: { code: 1126, category: ts.DiagnosticCategory.Error, key: "Unexpected_end_of_text_1126", message: "Unexpected end of text." },
-        Invalid_character: { code: 1127, category: ts.DiagnosticCategory.Error, key: "Invalid_character_1127", message: "Invalid character." },
-        Declaration_or_statement_expected: { code: 1128, category: ts.DiagnosticCategory.Error, key: "Declaration_or_statement_expected_1128", message: "Declaration or statement expected." },
-        Statement_expected: { code: 1129, category: ts.DiagnosticCategory.Error, key: "Statement_expected_1129", message: "Statement expected." },
-        case_or_default_expected: { code: 1130, category: ts.DiagnosticCategory.Error, key: "case_or_default_expected_1130", message: "'case' or 'default' expected." },
-        Property_or_signature_expected: { code: 1131, category: ts.DiagnosticCategory.Error, key: "Property_or_signature_expected_1131", message: "Property or signature expected." },
-        Enum_member_expected: { code: 1132, category: ts.DiagnosticCategory.Error, key: "Enum_member_expected_1132", message: "Enum member expected." },
-        Variable_declaration_expected: { code: 1134, category: ts.DiagnosticCategory.Error, key: "Variable_declaration_expected_1134", message: "Variable declaration expected." },
-        Argument_expression_expected: { code: 1135, category: ts.DiagnosticCategory.Error, key: "Argument_expression_expected_1135", message: "Argument expression expected." },
-        Property_assignment_expected: { code: 1136, category: ts.DiagnosticCategory.Error, key: "Property_assignment_expected_1136", message: "Property assignment expected." },
-        Expression_or_comma_expected: { code: 1137, category: ts.DiagnosticCategory.Error, key: "Expression_or_comma_expected_1137", message: "Expression or comma expected." },
-        Parameter_declaration_expected: { code: 1138, category: ts.DiagnosticCategory.Error, key: "Parameter_declaration_expected_1138", message: "Parameter declaration expected." },
-        Type_parameter_declaration_expected: { code: 1139, category: ts.DiagnosticCategory.Error, key: "Type_parameter_declaration_expected_1139", message: "Type parameter declaration expected." },
-        Type_argument_expected: { code: 1140, category: ts.DiagnosticCategory.Error, key: "Type_argument_expected_1140", message: "Type argument expected." },
-        String_literal_expected: { code: 1141, category: ts.DiagnosticCategory.Error, key: "String_literal_expected_1141", message: "String literal expected." },
-        Line_break_not_permitted_here: { code: 1142, category: ts.DiagnosticCategory.Error, key: "Line_break_not_permitted_here_1142", message: "Line break not permitted here." },
-        or_expected: { code: 1144, category: ts.DiagnosticCategory.Error, key: "or_expected_1144", message: "'{' or ';' expected." },
-        Declaration_expected: { code: 1146, category: ts.DiagnosticCategory.Error, key: "Declaration_expected_1146", message: "Declaration expected." },
-        Import_declarations_in_a_namespace_cannot_reference_a_module: { code: 1147, category: ts.DiagnosticCategory.Error, key: "Import_declarations_in_a_namespace_cannot_reference_a_module_1147", message: "Import declarations in a namespace cannot reference a module." },
-        Cannot_use_imports_exports_or_module_augmentations_when_module_is_none: { code: 1148, category: ts.DiagnosticCategory.Error, key: "Cannot_use_imports_exports_or_module_augmentations_when_module_is_none_1148", message: "Cannot use imports, exports, or module augmentations when '--module' is 'none'." },
-        File_name_0_differs_from_already_included_file_name_1_only_in_casing: { code: 1149, category: ts.DiagnosticCategory.Error, key: "File_name_0_differs_from_already_included_file_name_1_only_in_casing_1149", message: "File name '{0}' differs from already included file name '{1}' only in casing." },
-        new_T_cannot_be_used_to_create_an_array_Use_new_Array_T_instead: { code: 1150, category: ts.DiagnosticCategory.Error, key: "new_T_cannot_be_used_to_create_an_array_Use_new_Array_T_instead_1150", message: "'new T[]' cannot be used to create an array. Use 'new Array<T>()' instead." },
-        const_declarations_must_be_initialized: { code: 1155, category: ts.DiagnosticCategory.Error, key: "const_declarations_must_be_initialized_1155", message: "'const' declarations must be initialized." },
-        const_declarations_can_only_be_declared_inside_a_block: { code: 1156, category: ts.DiagnosticCategory.Error, key: "const_declarations_can_only_be_declared_inside_a_block_1156", message: "'const' declarations can only be declared inside a block." },
-        let_declarations_can_only_be_declared_inside_a_block: { code: 1157, category: ts.DiagnosticCategory.Error, key: "let_declarations_can_only_be_declared_inside_a_block_1157", message: "'let' declarations can only be declared inside a block." },
-        Unterminated_template_literal: { code: 1160, category: ts.DiagnosticCategory.Error, key: "Unterminated_template_literal_1160", message: "Unterminated template literal." },
-        Unterminated_regular_expression_literal: { code: 1161, category: ts.DiagnosticCategory.Error, key: "Unterminated_regular_expression_literal_1161", message: "Unterminated regular expression literal." },
-        An_object_member_cannot_be_declared_optional: { code: 1162, category: ts.DiagnosticCategory.Error, key: "An_object_member_cannot_be_declared_optional_1162", message: "An object member cannot be declared optional." },
-        A_yield_expression_is_only_allowed_in_a_generator_body: { code: 1163, category: ts.DiagnosticCategory.Error, key: "A_yield_expression_is_only_allowed_in_a_generator_body_1163", message: "A 'yield' expression is only allowed in a generator body." },
-        Computed_property_names_are_not_allowed_in_enums: { code: 1164, category: ts.DiagnosticCategory.Error, key: "Computed_property_names_are_not_allowed_in_enums_1164", message: "Computed property names are not allowed in enums." },
-        A_computed_property_name_in_an_ambient_context_must_directly_refer_to_a_built_in_symbol: { code: 1165, category: ts.DiagnosticCategory.Error, key: "A_computed_property_name_in_an_ambient_context_must_directly_refer_to_a_built_in_symbol_1165", message: "A computed property name in an ambient context must directly refer to a built-in symbol." },
-        A_computed_property_name_in_a_class_property_declaration_must_directly_refer_to_a_built_in_symbol: { code: 1166, category: ts.DiagnosticCategory.Error, key: "A_computed_property_name_in_a_class_property_declaration_must_directly_refer_to_a_built_in_symbol_1166", message: "A computed property name in a class property declaration must directly refer to a built-in symbol." },
-        A_computed_property_name_in_a_method_overload_must_directly_refer_to_a_built_in_symbol: { code: 1168, category: ts.DiagnosticCategory.Error, key: "A_computed_property_name_in_a_method_overload_must_directly_refer_to_a_built_in_symbol_1168", message: "A computed property name in a method overload must directly refer to a built-in symbol." },
-        A_computed_property_name_in_an_interface_must_directly_refer_to_a_built_in_symbol: { code: 1169, category: ts.DiagnosticCategory.Error, key: "A_computed_property_name_in_an_interface_must_directly_refer_to_a_built_in_symbol_1169", message: "A computed property name in an interface must directly refer to a built-in symbol." },
-        A_computed_property_name_in_a_type_literal_must_directly_refer_to_a_built_in_symbol: { code: 1170, category: ts.DiagnosticCategory.Error, key: "A_computed_property_name_in_a_type_literal_must_directly_refer_to_a_built_in_symbol_1170", message: "A computed property name in a type literal must directly refer to a built-in symbol." },
-        A_comma_expression_is_not_allowed_in_a_computed_property_name: { code: 1171, category: ts.DiagnosticCategory.Error, key: "A_comma_expression_is_not_allowed_in_a_computed_property_name_1171", message: "A comma expression is not allowed in a computed property name." },
-        extends_clause_already_seen: { code: 1172, category: ts.DiagnosticCategory.Error, key: "extends_clause_already_seen_1172", message: "'extends' clause already seen." },
-        extends_clause_must_precede_implements_clause: { code: 1173, category: ts.DiagnosticCategory.Error, key: "extends_clause_must_precede_implements_clause_1173", message: "'extends' clause must precede 'implements' clause." },
-        Classes_can_only_extend_a_single_class: { code: 1174, category: ts.DiagnosticCategory.Error, key: "Classes_can_only_extend_a_single_class_1174", message: "Classes can only extend a single class." },
-        implements_clause_already_seen: { code: 1175, category: ts.DiagnosticCategory.Error, key: "implements_clause_already_seen_1175", message: "'implements' clause already seen." },
-        Interface_declaration_cannot_have_implements_clause: { code: 1176, category: ts.DiagnosticCategory.Error, key: "Interface_declaration_cannot_have_implements_clause_1176", message: "Interface declaration cannot have 'implements' clause." },
-        Binary_digit_expected: { code: 1177, category: ts.DiagnosticCategory.Error, key: "Binary_digit_expected_1177", message: "Binary digit expected." },
-        Octal_digit_expected: { code: 1178, category: ts.DiagnosticCategory.Error, key: "Octal_digit_expected_1178", message: "Octal digit expected." },
-        Unexpected_token_expected: { code: 1179, category: ts.DiagnosticCategory.Error, key: "Unexpected_token_expected_1179", message: "Unexpected token. '{' expected." },
-        Property_destructuring_pattern_expected: { code: 1180, category: ts.DiagnosticCategory.Error, key: "Property_destructuring_pattern_expected_1180", message: "Property destructuring pattern expected." },
-        Array_element_destructuring_pattern_expected: { code: 1181, category: ts.DiagnosticCategory.Error, key: "Array_element_destructuring_pattern_expected_1181", message: "Array element destructuring pattern expected." },
-        A_destructuring_declaration_must_have_an_initializer: { code: 1182, category: ts.DiagnosticCategory.Error, key: "A_destructuring_declaration_must_have_an_initializer_1182", message: "A destructuring declaration must have an initializer." },
-        An_implementation_cannot_be_declared_in_ambient_contexts: { code: 1183, category: ts.DiagnosticCategory.Error, key: "An_implementation_cannot_be_declared_in_ambient_contexts_1183", message: "An implementation cannot be declared in ambient contexts." },
-        Modifiers_cannot_appear_here: { code: 1184, category: ts.DiagnosticCategory.Error, key: "Modifiers_cannot_appear_here_1184", message: "Modifiers cannot appear here." },
-        Merge_conflict_marker_encountered: { code: 1185, category: ts.DiagnosticCategory.Error, key: "Merge_conflict_marker_encountered_1185", message: "Merge conflict marker encountered." },
-        A_rest_element_cannot_have_an_initializer: { code: 1186, category: ts.DiagnosticCategory.Error, key: "A_rest_element_cannot_have_an_initializer_1186", message: "A rest element cannot have an initializer." },
-        A_parameter_property_may_not_be_declared_using_a_binding_pattern: { code: 1187, category: ts.DiagnosticCategory.Error, key: "A_parameter_property_may_not_be_declared_using_a_binding_pattern_1187", message: "A parameter property may not be declared using a binding pattern." },
-        Only_a_single_variable_declaration_is_allowed_in_a_for_of_statement: { code: 1188, category: ts.DiagnosticCategory.Error, key: "Only_a_single_variable_declaration_is_allowed_in_a_for_of_statement_1188", message: "Only a single variable declaration is allowed in a 'for...of' statement." },
-        The_variable_declaration_of_a_for_in_statement_cannot_have_an_initializer: { code: 1189, category: ts.DiagnosticCategory.Error, key: "The_variable_declaration_of_a_for_in_statement_cannot_have_an_initializer_1189", message: "The variable declaration of a 'for...in' statement cannot have an initializer." },
-        The_variable_declaration_of_a_for_of_statement_cannot_have_an_initializer: { code: 1190, category: ts.DiagnosticCategory.Error, key: "The_variable_declaration_of_a_for_of_statement_cannot_have_an_initializer_1190", message: "The variable declaration of a 'for...of' statement cannot have an initializer." },
-        An_import_declaration_cannot_have_modifiers: { code: 1191, category: ts.DiagnosticCategory.Error, key: "An_import_declaration_cannot_have_modifiers_1191", message: "An import declaration cannot have modifiers." },
-        Module_0_has_no_default_export: { code: 1192, category: ts.DiagnosticCategory.Error, key: "Module_0_has_no_default_export_1192", message: "Module '{0}' has no default export." },
-        An_export_declaration_cannot_have_modifiers: { code: 1193, category: ts.DiagnosticCategory.Error, key: "An_export_declaration_cannot_have_modifiers_1193", message: "An export declaration cannot have modifiers." },
-        Export_declarations_are_not_permitted_in_a_namespace: { code: 1194, category: ts.DiagnosticCategory.Error, key: "Export_declarations_are_not_permitted_in_a_namespace_1194", message: "Export declarations are not permitted in a namespace." },
-        Catch_clause_variable_cannot_have_a_type_annotation: { code: 1196, category: ts.DiagnosticCategory.Error, key: "Catch_clause_variable_cannot_have_a_type_annotation_1196", message: "Catch clause variable cannot have a type annotation." },
-        Catch_clause_variable_cannot_have_an_initializer: { code: 1197, category: ts.DiagnosticCategory.Error, key: "Catch_clause_variable_cannot_have_an_initializer_1197", message: "Catch clause variable cannot have an initializer." },
-        An_extended_Unicode_escape_value_must_be_between_0x0_and_0x10FFFF_inclusive: { code: 1198, category: ts.DiagnosticCategory.Error, key: "An_extended_Unicode_escape_value_must_be_between_0x0_and_0x10FFFF_inclusive_1198", message: "An extended Unicode escape value must be between 0x0 and 0x10FFFF inclusive." },
-        Unterminated_Unicode_escape_sequence: { code: 1199, category: ts.DiagnosticCategory.Error, key: "Unterminated_Unicode_escape_sequence_1199", message: "Unterminated Unicode escape sequence." },
-        Line_terminator_not_permitted_before_arrow: { code: 1200, category: ts.DiagnosticCategory.Error, key: "Line_terminator_not_permitted_before_arrow_1200", message: "Line terminator not permitted before arrow." },
-        Import_assignment_cannot_be_used_when_targeting_ECMAScript_2015_modules_Consider_using_import_Asterisk_as_ns_from_mod_import_a_from_mod_import_d_from_mod_or_another_module_format_instead: { code: 1202, category: ts.DiagnosticCategory.Error, key: "Import_assignment_cannot_be_used_when_targeting_ECMAScript_2015_modules_Consider_using_import_Asteri_1202", message: "Import assignment cannot be used when targeting ECMAScript 2015 modules. Consider using 'import * as ns from \"mod\"', 'import {a} from \"mod\"', 'import d from \"mod\"', or another module format instead." },
-        Export_assignment_cannot_be_used_when_targeting_ECMAScript_2015_modules_Consider_using_export_default_or_another_module_format_instead: { code: 1203, category: ts.DiagnosticCategory.Error, key: "Export_assignment_cannot_be_used_when_targeting_ECMAScript_2015_modules_Consider_using_export_defaul_1203", message: "Export assignment cannot be used when targeting ECMAScript 2015 modules. Consider using 'export default' or another module format instead." },
-        Cannot_re_export_a_type_when_the_isolatedModules_flag_is_provided: { code: 1205, category: ts.DiagnosticCategory.Error, key: "Cannot_re_export_a_type_when_the_isolatedModules_flag_is_provided_1205", message: "Cannot re-export a type when the '--isolatedModules' flag is provided." },
-        Decorators_are_not_valid_here: { code: 1206, category: ts.DiagnosticCategory.Error, key: "Decorators_are_not_valid_here_1206", message: "Decorators are not valid here." },
-        Decorators_cannot_be_applied_to_multiple_get_Slashset_accessors_of_the_same_name: { code: 1207, category: ts.DiagnosticCategory.Error, key: "Decorators_cannot_be_applied_to_multiple_get_Slashset_accessors_of_the_same_name_1207", message: "Decorators cannot be applied to multiple get/set accessors of the same name." },
-        Cannot_compile_namespaces_when_the_isolatedModules_flag_is_provided: { code: 1208, category: ts.DiagnosticCategory.Error, key: "Cannot_compile_namespaces_when_the_isolatedModules_flag_is_provided_1208", message: "Cannot compile namespaces when the '--isolatedModules' flag is provided." },
-        Ambient_const_enums_are_not_allowed_when_the_isolatedModules_flag_is_provided: { code: 1209, category: ts.DiagnosticCategory.Error, key: "Ambient_const_enums_are_not_allowed_when_the_isolatedModules_flag_is_provided_1209", message: "Ambient const enums are not allowed when the '--isolatedModules' flag is provided." },
-        Invalid_use_of_0_Class_definitions_are_automatically_in_strict_mode: { code: 1210, category: ts.DiagnosticCategory.Error, key: "Invalid_use_of_0_Class_definitions_are_automatically_in_strict_mode_1210", message: "Invalid use of '{0}'. Class definitions are automatically in strict mode." },
-        A_class_declaration_without_the_default_modifier_must_have_a_name: { code: 1211, category: ts.DiagnosticCategory.Error, key: "A_class_declaration_without_the_default_modifier_must_have_a_name_1211", message: "A class declaration without the 'default' modifier must have a name." },
-        Identifier_expected_0_is_a_reserved_word_in_strict_mode: { code: 1212, category: ts.DiagnosticCategory.Error, key: "Identifier_expected_0_is_a_reserved_word_in_strict_mode_1212", message: "Identifier expected. '{0}' is a reserved word in strict mode." },
-        Identifier_expected_0_is_a_reserved_word_in_strict_mode_Class_definitions_are_automatically_in_strict_mode: { code: 1213, category: ts.DiagnosticCategory.Error, key: "Identifier_expected_0_is_a_reserved_word_in_strict_mode_Class_definitions_are_automatically_in_stric_1213", message: "Identifier expected. '{0}' is a reserved word in strict mode. Class definitions are automatically in strict mode." },
-        Identifier_expected_0_is_a_reserved_word_in_strict_mode_Modules_are_automatically_in_strict_mode: { code: 1214, category: ts.DiagnosticCategory.Error, key: "Identifier_expected_0_is_a_reserved_word_in_strict_mode_Modules_are_automatically_in_strict_mode_1214", message: "Identifier expected. '{0}' is a reserved word in strict mode. Modules are automatically in strict mode." },
-        Invalid_use_of_0_Modules_are_automatically_in_strict_mode: { code: 1215, category: ts.DiagnosticCategory.Error, key: "Invalid_use_of_0_Modules_are_automatically_in_strict_mode_1215", message: "Invalid use of '{0}'. Modules are automatically in strict mode." },
-        Identifier_expected_esModule_is_reserved_as_an_exported_marker_when_transforming_ECMAScript_modules: { code: 1216, category: ts.DiagnosticCategory.Error, key: "Identifier_expected_esModule_is_reserved_as_an_exported_marker_when_transforming_ECMAScript_modules_1216", message: "Identifier expected. '__esModule' is reserved as an exported marker when transforming ECMAScript modules." },
-        Export_assignment_is_not_supported_when_module_flag_is_system: { code: 1218, category: ts.DiagnosticCategory.Error, key: "Export_assignment_is_not_supported_when_module_flag_is_system_1218", message: "Export assignment is not supported when '--module' flag is 'system'." },
-        Experimental_support_for_decorators_is_a_feature_that_is_subject_to_change_in_a_future_release_Set_the_experimentalDecorators_option_to_remove_this_warning: { code: 1219, category: ts.DiagnosticCategory.Error, key: "Experimental_support_for_decorators_is_a_feature_that_is_subject_to_change_in_a_future_release_Set_t_1219", message: "Experimental support for decorators is a feature that is subject to change in a future release. Set the 'experimentalDecorators' option to remove this warning." },
-        Generators_are_only_available_when_targeting_ECMAScript_2015_or_higher: { code: 1220, category: ts.DiagnosticCategory.Error, key: "Generators_are_only_available_when_targeting_ECMAScript_2015_or_higher_1220", message: "Generators are only available when targeting ECMAScript 2015 or higher." },
-        Generators_are_not_allowed_in_an_ambient_context: { code: 1221, category: ts.DiagnosticCategory.Error, key: "Generators_are_not_allowed_in_an_ambient_context_1221", message: "Generators are not allowed in an ambient context." },
-        An_overload_signature_cannot_be_declared_as_a_generator: { code: 1222, category: ts.DiagnosticCategory.Error, key: "An_overload_signature_cannot_be_declared_as_a_generator_1222", message: "An overload signature cannot be declared as a generator." },
-        _0_tag_already_specified: { code: 1223, category: ts.DiagnosticCategory.Error, key: "_0_tag_already_specified_1223", message: "'{0}' tag already specified." },
-        Signature_0_must_have_a_type_predicate: { code: 1224, category: ts.DiagnosticCategory.Error, key: "Signature_0_must_have_a_type_predicate_1224", message: "Signature '{0}' must have a type predicate." },
-        Cannot_find_parameter_0: { code: 1225, category: ts.DiagnosticCategory.Error, key: "Cannot_find_parameter_0_1225", message: "Cannot find parameter '{0}'." },
-        Type_predicate_0_is_not_assignable_to_1: { code: 1226, category: ts.DiagnosticCategory.Error, key: "Type_predicate_0_is_not_assignable_to_1_1226", message: "Type predicate '{0}' is not assignable to '{1}'." },
-        Parameter_0_is_not_in_the_same_position_as_parameter_1: { code: 1227, category: ts.DiagnosticCategory.Error, key: "Parameter_0_is_not_in_the_same_position_as_parameter_1_1227", message: "Parameter '{0}' is not in the same position as parameter '{1}'." },
-        A_type_predicate_is_only_allowed_in_return_type_position_for_functions_and_methods: { code: 1228, category: ts.DiagnosticCategory.Error, key: "A_type_predicate_is_only_allowed_in_return_type_position_for_functions_and_methods_1228", message: "A type predicate is only allowed in return type position for functions and methods." },
-        A_type_predicate_cannot_reference_a_rest_parameter: { code: 1229, category: ts.DiagnosticCategory.Error, key: "A_type_predicate_cannot_reference_a_rest_parameter_1229", message: "A type predicate cannot reference a rest parameter." },
-        A_type_predicate_cannot_reference_element_0_in_a_binding_pattern: { code: 1230, category: ts.DiagnosticCategory.Error, key: "A_type_predicate_cannot_reference_element_0_in_a_binding_pattern_1230", message: "A type predicate cannot reference element '{0}' in a binding pattern." },
-        An_export_assignment_can_only_be_used_in_a_module: { code: 1231, category: ts.DiagnosticCategory.Error, key: "An_export_assignment_can_only_be_used_in_a_module_1231", message: "An export assignment can only be used in a module." },
-        An_import_declaration_can_only_be_used_in_a_namespace_or_module: { code: 1232, category: ts.DiagnosticCategory.Error, key: "An_import_declaration_can_only_be_used_in_a_namespace_or_module_1232", message: "An import declaration can only be used in a namespace or module." },
-        An_export_declaration_can_only_be_used_in_a_module: { code: 1233, category: ts.DiagnosticCategory.Error, key: "An_export_declaration_can_only_be_used_in_a_module_1233", message: "An export declaration can only be used in a module." },
-        An_ambient_module_declaration_is_only_allowed_at_the_top_level_in_a_file: { code: 1234, category: ts.DiagnosticCategory.Error, key: "An_ambient_module_declaration_is_only_allowed_at_the_top_level_in_a_file_1234", message: "An ambient module declaration is only allowed at the top level in a file." },
-        A_namespace_declaration_is_only_allowed_in_a_namespace_or_module: { code: 1235, category: ts.DiagnosticCategory.Error, key: "A_namespace_declaration_is_only_allowed_in_a_namespace_or_module_1235", message: "A namespace declaration is only allowed in a namespace or module." },
-        The_return_type_of_a_property_decorator_function_must_be_either_void_or_any: { code: 1236, category: ts.DiagnosticCategory.Error, key: "The_return_type_of_a_property_decorator_function_must_be_either_void_or_any_1236", message: "The return type of a property decorator function must be either 'void' or 'any'." },
-        The_return_type_of_a_parameter_decorator_function_must_be_either_void_or_any: { code: 1237, category: ts.DiagnosticCategory.Error, key: "The_return_type_of_a_parameter_decorator_function_must_be_either_void_or_any_1237", message: "The return type of a parameter decorator function must be either 'void' or 'any'." },
-        Unable_to_resolve_signature_of_class_decorator_when_called_as_an_expression: { code: 1238, category: ts.DiagnosticCategory.Error, key: "Unable_to_resolve_signature_of_class_decorator_when_called_as_an_expression_1238", message: "Unable to resolve signature of class decorator when called as an expression." },
-        Unable_to_resolve_signature_of_parameter_decorator_when_called_as_an_expression: { code: 1239, category: ts.DiagnosticCategory.Error, key: "Unable_to_resolve_signature_of_parameter_decorator_when_called_as_an_expression_1239", message: "Unable to resolve signature of parameter decorator when called as an expression." },
-        Unable_to_resolve_signature_of_property_decorator_when_called_as_an_expression: { code: 1240, category: ts.DiagnosticCategory.Error, key: "Unable_to_resolve_signature_of_property_decorator_when_called_as_an_expression_1240", message: "Unable to resolve signature of property decorator when called as an expression." },
-        Unable_to_resolve_signature_of_method_decorator_when_called_as_an_expression: { code: 1241, category: ts.DiagnosticCategory.Error, key: "Unable_to_resolve_signature_of_method_decorator_when_called_as_an_expression_1241", message: "Unable to resolve signature of method decorator when called as an expression." },
-        abstract_modifier_can_only_appear_on_a_class_method_or_property_declaration: { code: 1242, category: ts.DiagnosticCategory.Error, key: "abstract_modifier_can_only_appear_on_a_class_method_or_property_declaration_1242", message: "'abstract' modifier can only appear on a class, method, or property declaration." },
-        _0_modifier_cannot_be_used_with_1_modifier: { code: 1243, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_be_used_with_1_modifier_1243", message: "'{0}' modifier cannot be used with '{1}' modifier." },
-        Abstract_methods_can_only_appear_within_an_abstract_class: { code: 1244, category: ts.DiagnosticCategory.Error, key: "Abstract_methods_can_only_appear_within_an_abstract_class_1244", message: "Abstract methods can only appear within an abstract class." },
-        Method_0_cannot_have_an_implementation_because_it_is_marked_abstract: { code: 1245, category: ts.DiagnosticCategory.Error, key: "Method_0_cannot_have_an_implementation_because_it_is_marked_abstract_1245", message: "Method '{0}' cannot have an implementation because it is marked abstract." },
-        An_interface_property_cannot_have_an_initializer: { code: 1246, category: ts.DiagnosticCategory.Error, key: "An_interface_property_cannot_have_an_initializer_1246", message: "An interface property cannot have an initializer." },
-        A_type_literal_property_cannot_have_an_initializer: { code: 1247, category: ts.DiagnosticCategory.Error, key: "A_type_literal_property_cannot_have_an_initializer_1247", message: "A type literal property cannot have an initializer." },
-        A_class_member_cannot_have_the_0_keyword: { code: 1248, category: ts.DiagnosticCategory.Error, key: "A_class_member_cannot_have_the_0_keyword_1248", message: "A class member cannot have the '{0}' keyword." },
-        A_decorator_can_only_decorate_a_method_implementation_not_an_overload: { code: 1249, category: ts.DiagnosticCategory.Error, key: "A_decorator_can_only_decorate_a_method_implementation_not_an_overload_1249", message: "A decorator can only decorate a method implementation, not an overload." },
-        Function_declarations_are_not_allowed_inside_blocks_in_strict_mode_when_targeting_ES3_or_ES5: { code: 1250, category: ts.DiagnosticCategory.Error, key: "Function_declarations_are_not_allowed_inside_blocks_in_strict_mode_when_targeting_ES3_or_ES5_1250", message: "Function declarations are not allowed inside blocks in strict mode when targeting 'ES3' or 'ES5'." },
-        Function_declarations_are_not_allowed_inside_blocks_in_strict_mode_when_targeting_ES3_or_ES5_Class_definitions_are_automatically_in_strict_mode: { code: 1251, category: ts.DiagnosticCategory.Error, key: "Function_declarations_are_not_allowed_inside_blocks_in_strict_mode_when_targeting_ES3_or_ES5_Class_d_1251", message: "Function declarations are not allowed inside blocks in strict mode when targeting 'ES3' or 'ES5'. Class definitions are automatically in strict mode." },
-        Function_declarations_are_not_allowed_inside_blocks_in_strict_mode_when_targeting_ES3_or_ES5_Modules_are_automatically_in_strict_mode: { code: 1252, category: ts.DiagnosticCategory.Error, key: "Function_declarations_are_not_allowed_inside_blocks_in_strict_mode_when_targeting_ES3_or_ES5_Modules_1252", message: "Function declarations are not allowed inside blocks in strict mode when targeting 'ES3' or 'ES5'. Modules are automatically in strict mode." },
-        _0_tag_cannot_be_used_independently_as_a_top_level_JSDoc_tag: { code: 1253, category: ts.DiagnosticCategory.Error, key: "_0_tag_cannot_be_used_independently_as_a_top_level_JSDoc_tag_1253", message: "'{0}' tag cannot be used independently as a top level JSDoc tag." },
-        A_const_initializer_in_an_ambient_context_must_be_a_string_or_numeric_literal: { code: 1254, category: ts.DiagnosticCategory.Error, key: "A_const_initializer_in_an_ambient_context_must_be_a_string_or_numeric_literal_1254", message: "A 'const' initializer in an ambient context must be a string or numeric literal." },
-        with_statements_are_not_allowed_in_an_async_function_block: { code: 1300, category: ts.DiagnosticCategory.Error, key: "with_statements_are_not_allowed_in_an_async_function_block_1300", message: "'with' statements are not allowed in an async function block." },
-        await_expression_is_only_allowed_within_an_async_function: { code: 1308, category: ts.DiagnosticCategory.Error, key: "await_expression_is_only_allowed_within_an_async_function_1308", message: "'await' expression is only allowed within an async function." },
-        can_only_be_used_in_an_object_literal_property_inside_a_destructuring_assignment: { code: 1312, category: ts.DiagnosticCategory.Error, key: "can_only_be_used_in_an_object_literal_property_inside_a_destructuring_assignment_1312", message: "'=' can only be used in an object literal property inside a destructuring assignment." },
-        The_body_of_an_if_statement_cannot_be_the_empty_statement: { code: 1313, category: ts.DiagnosticCategory.Error, key: "The_body_of_an_if_statement_cannot_be_the_empty_statement_1313", message: "The body of an 'if' statement cannot be the empty statement." },
-        Global_module_exports_may_only_appear_in_module_files: { code: 1314, category: ts.DiagnosticCategory.Error, key: "Global_module_exports_may_only_appear_in_module_files_1314", message: "Global module exports may only appear in module files." },
-        Global_module_exports_may_only_appear_in_declaration_files: { code: 1315, category: ts.DiagnosticCategory.Error, key: "Global_module_exports_may_only_appear_in_declaration_files_1315", message: "Global module exports may only appear in declaration files." },
-        Global_module_exports_may_only_appear_at_top_level: { code: 1316, category: ts.DiagnosticCategory.Error, key: "Global_module_exports_may_only_appear_at_top_level_1316", message: "Global module exports may only appear at top level." },
-        A_parameter_property_cannot_be_declared_using_a_rest_parameter: { code: 1317, category: ts.DiagnosticCategory.Error, key: "A_parameter_property_cannot_be_declared_using_a_rest_parameter_1317", message: "A parameter property cannot be declared using a rest parameter." },
-        An_abstract_accessor_cannot_have_an_implementation: { code: 1318, category: ts.DiagnosticCategory.Error, key: "An_abstract_accessor_cannot_have_an_implementation_1318", message: "An abstract accessor cannot have an implementation." },
-        A_default_export_can_only_be_used_in_an_ECMAScript_style_module: { code: 1319, category: ts.DiagnosticCategory.Error, key: "A_default_export_can_only_be_used_in_an_ECMAScript_style_module_1319", message: "A default export can only be used in an ECMAScript-style module." },
-        Type_of_await_operand_must_either_be_a_valid_promise_or_must_not_contain_a_callable_then_member: { code: 1320, category: ts.DiagnosticCategory.Error, key: "Type_of_await_operand_must_either_be_a_valid_promise_or_must_not_contain_a_callable_then_member_1320", message: "Type of 'await' operand must either be a valid promise or must not contain a callable 'then' member." },
-        Type_of_yield_operand_in_an_async_generator_must_either_be_a_valid_promise_or_must_not_contain_a_callable_then_member: { code: 1321, category: ts.DiagnosticCategory.Error, key: "Type_of_yield_operand_in_an_async_generator_must_either_be_a_valid_promise_or_must_not_contain_a_cal_1321", message: "Type of 'yield' operand in an async generator must either be a valid promise or must not contain a callable 'then' member." },
-        Type_of_iterated_elements_of_a_yield_Asterisk_operand_must_either_be_a_valid_promise_or_must_not_contain_a_callable_then_member: { code: 1322, category: ts.DiagnosticCategory.Error, key: "Type_of_iterated_elements_of_a_yield_Asterisk_operand_must_either_be_a_valid_promise_or_must_not_con_1322", message: "Type of iterated elements of a 'yield*' operand must either be a valid promise or must not contain a callable 'then' member." },
-        Dynamic_import_cannot_be_used_when_targeting_ECMAScript_2015_modules: { code: 1323, category: ts.DiagnosticCategory.Error, key: "Dynamic_import_cannot_be_used_when_targeting_ECMAScript_2015_modules_1323", message: "Dynamic import cannot be used when targeting ECMAScript 2015 modules." },
-        Dynamic_import_must_have_one_specifier_as_an_argument: { code: 1324, category: ts.DiagnosticCategory.Error, key: "Dynamic_import_must_have_one_specifier_as_an_argument_1324", message: "Dynamic import must have one specifier as an argument." },
-        Specifier_of_dynamic_import_cannot_be_spread_element: { code: 1325, category: ts.DiagnosticCategory.Error, key: "Specifier_of_dynamic_import_cannot_be_spread_element_1325", message: "Specifier of dynamic import cannot be spread element." },
-        Dynamic_import_cannot_have_type_arguments: { code: 1326, category: ts.DiagnosticCategory.Error, key: "Dynamic_import_cannot_have_type_arguments_1326", message: "Dynamic import cannot have type arguments" },
-        Duplicate_identifier_0: { code: 2300, category: ts.DiagnosticCategory.Error, key: "Duplicate_identifier_0_2300", message: "Duplicate identifier '{0}'." },
-        Initializer_of_instance_member_variable_0_cannot_reference_identifier_1_declared_in_the_constructor: { code: 2301, category: ts.DiagnosticCategory.Error, key: "Initializer_of_instance_member_variable_0_cannot_reference_identifier_1_declared_in_the_constructor_2301", message: "Initializer of instance member variable '{0}' cannot reference identifier '{1}' declared in the constructor." },
-        Static_members_cannot_reference_class_type_parameters: { code: 2302, category: ts.DiagnosticCategory.Error, key: "Static_members_cannot_reference_class_type_parameters_2302", message: "Static members cannot reference class type parameters." },
-        Circular_definition_of_import_alias_0: { code: 2303, category: ts.DiagnosticCategory.Error, key: "Circular_definition_of_import_alias_0_2303", message: "Circular definition of import alias '{0}'." },
-        Cannot_find_name_0: { code: 2304, category: ts.DiagnosticCategory.Error, key: "Cannot_find_name_0_2304", message: "Cannot find name '{0}'." },
-        Module_0_has_no_exported_member_1: { code: 2305, category: ts.DiagnosticCategory.Error, key: "Module_0_has_no_exported_member_1_2305", message: "Module '{0}' has no exported member '{1}'." },
-        File_0_is_not_a_module: { code: 2306, category: ts.DiagnosticCategory.Error, key: "File_0_is_not_a_module_2306", message: "File '{0}' is not a module." },
-        Cannot_find_module_0: { code: 2307, category: ts.DiagnosticCategory.Error, key: "Cannot_find_module_0_2307", message: "Cannot find module '{0}'." },
-        Module_0_has_already_exported_a_member_named_1_Consider_explicitly_re_exporting_to_resolve_the_ambiguity: { code: 2308, category: ts.DiagnosticCategory.Error, key: "Module_0_has_already_exported_a_member_named_1_Consider_explicitly_re_exporting_to_resolve_the_ambig_2308", message: "Module {0} has already exported a member named '{1}'. Consider explicitly re-exporting to resolve the ambiguity." },
-        An_export_assignment_cannot_be_used_in_a_module_with_other_exported_elements: { code: 2309, category: ts.DiagnosticCategory.Error, key: "An_export_assignment_cannot_be_used_in_a_module_with_other_exported_elements_2309", message: "An export assignment cannot be used in a module with other exported elements." },
-        Type_0_recursively_references_itself_as_a_base_type: { code: 2310, category: ts.DiagnosticCategory.Error, key: "Type_0_recursively_references_itself_as_a_base_type_2310", message: "Type '{0}' recursively references itself as a base type." },
-        A_class_may_only_extend_another_class: { code: 2311, category: ts.DiagnosticCategory.Error, key: "A_class_may_only_extend_another_class_2311", message: "A class may only extend another class." },
-        An_interface_may_only_extend_a_class_or_another_interface: { code: 2312, category: ts.DiagnosticCategory.Error, key: "An_interface_may_only_extend_a_class_or_another_interface_2312", message: "An interface may only extend a class or another interface." },
-        Type_parameter_0_has_a_circular_constraint: { code: 2313, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_has_a_circular_constraint_2313", message: "Type parameter '{0}' has a circular constraint." },
-        Generic_type_0_requires_1_type_argument_s: { code: 2314, category: ts.DiagnosticCategory.Error, key: "Generic_type_0_requires_1_type_argument_s_2314", message: "Generic type '{0}' requires {1} type argument(s)." },
-        Type_0_is_not_generic: { code: 2315, category: ts.DiagnosticCategory.Error, key: "Type_0_is_not_generic_2315", message: "Type '{0}' is not generic." },
-        Global_type_0_must_be_a_class_or_interface_type: { code: 2316, category: ts.DiagnosticCategory.Error, key: "Global_type_0_must_be_a_class_or_interface_type_2316", message: "Global type '{0}' must be a class or interface type." },
-        Global_type_0_must_have_1_type_parameter_s: { code: 2317, category: ts.DiagnosticCategory.Error, key: "Global_type_0_must_have_1_type_parameter_s_2317", message: "Global type '{0}' must have {1} type parameter(s)." },
-        Cannot_find_global_type_0: { code: 2318, category: ts.DiagnosticCategory.Error, key: "Cannot_find_global_type_0_2318", message: "Cannot find global type '{0}'." },
-        Named_property_0_of_types_1_and_2_are_not_identical: { code: 2319, category: ts.DiagnosticCategory.Error, key: "Named_property_0_of_types_1_and_2_are_not_identical_2319", message: "Named property '{0}' of types '{1}' and '{2}' are not identical." },
-        Interface_0_cannot_simultaneously_extend_types_1_and_2: { code: 2320, category: ts.DiagnosticCategory.Error, key: "Interface_0_cannot_simultaneously_extend_types_1_and_2_2320", message: "Interface '{0}' cannot simultaneously extend types '{1}' and '{2}'." },
-        Excessive_stack_depth_comparing_types_0_and_1: { code: 2321, category: ts.DiagnosticCategory.Error, key: "Excessive_stack_depth_comparing_types_0_and_1_2321", message: "Excessive stack depth comparing types '{0}' and '{1}'." },
-        Type_0_is_not_assignable_to_type_1: { code: 2322, category: ts.DiagnosticCategory.Error, key: "Type_0_is_not_assignable_to_type_1_2322", message: "Type '{0}' is not assignable to type '{1}'." },
-        Cannot_redeclare_exported_variable_0: { code: 2323, category: ts.DiagnosticCategory.Error, key: "Cannot_redeclare_exported_variable_0_2323", message: "Cannot redeclare exported variable '{0}'." },
-        Property_0_is_missing_in_type_1: { code: 2324, category: ts.DiagnosticCategory.Error, key: "Property_0_is_missing_in_type_1_2324", message: "Property '{0}' is missing in type '{1}'." },
-        Property_0_is_private_in_type_1_but_not_in_type_2: { code: 2325, category: ts.DiagnosticCategory.Error, key: "Property_0_is_private_in_type_1_but_not_in_type_2_2325", message: "Property '{0}' is private in type '{1}' but not in type '{2}'." },
-        Types_of_property_0_are_incompatible: { code: 2326, category: ts.DiagnosticCategory.Error, key: "Types_of_property_0_are_incompatible_2326", message: "Types of property '{0}' are incompatible." },
-        Property_0_is_optional_in_type_1_but_required_in_type_2: { code: 2327, category: ts.DiagnosticCategory.Error, key: "Property_0_is_optional_in_type_1_but_required_in_type_2_2327", message: "Property '{0}' is optional in type '{1}' but required in type '{2}'." },
-        Types_of_parameters_0_and_1_are_incompatible: { code: 2328, category: ts.DiagnosticCategory.Error, key: "Types_of_parameters_0_and_1_are_incompatible_2328", message: "Types of parameters '{0}' and '{1}' are incompatible." },
-        Index_signature_is_missing_in_type_0: { code: 2329, category: ts.DiagnosticCategory.Error, key: "Index_signature_is_missing_in_type_0_2329", message: "Index signature is missing in type '{0}'." },
-        Index_signatures_are_incompatible: { code: 2330, category: ts.DiagnosticCategory.Error, key: "Index_signatures_are_incompatible_2330", message: "Index signatures are incompatible." },
-        this_cannot_be_referenced_in_a_module_or_namespace_body: { code: 2331, category: ts.DiagnosticCategory.Error, key: "this_cannot_be_referenced_in_a_module_or_namespace_body_2331", message: "'this' cannot be referenced in a module or namespace body." },
-        this_cannot_be_referenced_in_current_location: { code: 2332, category: ts.DiagnosticCategory.Error, key: "this_cannot_be_referenced_in_current_location_2332", message: "'this' cannot be referenced in current location." },
-        this_cannot_be_referenced_in_constructor_arguments: { code: 2333, category: ts.DiagnosticCategory.Error, key: "this_cannot_be_referenced_in_constructor_arguments_2333", message: "'this' cannot be referenced in constructor arguments." },
-        this_cannot_be_referenced_in_a_static_property_initializer: { code: 2334, category: ts.DiagnosticCategory.Error, key: "this_cannot_be_referenced_in_a_static_property_initializer_2334", message: "'this' cannot be referenced in a static property initializer." },
-        super_can_only_be_referenced_in_a_derived_class: { code: 2335, category: ts.DiagnosticCategory.Error, key: "super_can_only_be_referenced_in_a_derived_class_2335", message: "'super' can only be referenced in a derived class." },
-        super_cannot_be_referenced_in_constructor_arguments: { code: 2336, category: ts.DiagnosticCategory.Error, key: "super_cannot_be_referenced_in_constructor_arguments_2336", message: "'super' cannot be referenced in constructor arguments." },
-        Super_calls_are_not_permitted_outside_constructors_or_in_nested_functions_inside_constructors: { code: 2337, category: ts.DiagnosticCategory.Error, key: "Super_calls_are_not_permitted_outside_constructors_or_in_nested_functions_inside_constructors_2337", message: "Super calls are not permitted outside constructors or in nested functions inside constructors." },
-        super_property_access_is_permitted_only_in_a_constructor_member_function_or_member_accessor_of_a_derived_class: { code: 2338, category: ts.DiagnosticCategory.Error, key: "super_property_access_is_permitted_only_in_a_constructor_member_function_or_member_accessor_of_a_der_2338", message: "'super' property access is permitted only in a constructor, member function, or member accessor of a derived class." },
-        Property_0_does_not_exist_on_type_1: { code: 2339, category: ts.DiagnosticCategory.Error, key: "Property_0_does_not_exist_on_type_1_2339", message: "Property '{0}' does not exist on type '{1}'." },
-        Only_public_and_protected_methods_of_the_base_class_are_accessible_via_the_super_keyword: { code: 2340, category: ts.DiagnosticCategory.Error, key: "Only_public_and_protected_methods_of_the_base_class_are_accessible_via_the_super_keyword_2340", message: "Only public and protected methods of the base class are accessible via the 'super' keyword." },
-        Property_0_is_private_and_only_accessible_within_class_1: { code: 2341, category: ts.DiagnosticCategory.Error, key: "Property_0_is_private_and_only_accessible_within_class_1_2341", message: "Property '{0}' is private and only accessible within class '{1}'." },
-        An_index_expression_argument_must_be_of_type_string_number_symbol_or_any: { code: 2342, category: ts.DiagnosticCategory.Error, key: "An_index_expression_argument_must_be_of_type_string_number_symbol_or_any_2342", message: "An index expression argument must be of type 'string', 'number', 'symbol', or 'any'." },
-        This_syntax_requires_an_imported_helper_named_1_but_module_0_has_no_exported_member_1: { code: 2343, category: ts.DiagnosticCategory.Error, key: "This_syntax_requires_an_imported_helper_named_1_but_module_0_has_no_exported_member_1_2343", message: "This syntax requires an imported helper named '{1}', but module '{0}' has no exported member '{1}'." },
-        Type_0_does_not_satisfy_the_constraint_1: { code: 2344, category: ts.DiagnosticCategory.Error, key: "Type_0_does_not_satisfy_the_constraint_1_2344", message: "Type '{0}' does not satisfy the constraint '{1}'." },
-        Argument_of_type_0_is_not_assignable_to_parameter_of_type_1: { code: 2345, category: ts.DiagnosticCategory.Error, key: "Argument_of_type_0_is_not_assignable_to_parameter_of_type_1_2345", message: "Argument of type '{0}' is not assignable to parameter of type '{1}'." },
-        Call_target_does_not_contain_any_signatures: { code: 2346, category: ts.DiagnosticCategory.Error, key: "Call_target_does_not_contain_any_signatures_2346", message: "Call target does not contain any signatures." },
-        Untyped_function_calls_may_not_accept_type_arguments: { code: 2347, category: ts.DiagnosticCategory.Error, key: "Untyped_function_calls_may_not_accept_type_arguments_2347", message: "Untyped function calls may not accept type arguments." },
-        Value_of_type_0_is_not_callable_Did_you_mean_to_include_new: { code: 2348, category: ts.DiagnosticCategory.Error, key: "Value_of_type_0_is_not_callable_Did_you_mean_to_include_new_2348", message: "Value of type '{0}' is not callable. Did you mean to include 'new'?" },
-        Cannot_invoke_an_expression_whose_type_lacks_a_call_signature_Type_0_has_no_compatible_call_signatures: { code: 2349, category: ts.DiagnosticCategory.Error, key: "Cannot_invoke_an_expression_whose_type_lacks_a_call_signature_Type_0_has_no_compatible_call_signatur_2349", message: "Cannot invoke an expression whose type lacks a call signature. Type '{0}' has no compatible call signatures." },
-        Only_a_void_function_can_be_called_with_the_new_keyword: { code: 2350, category: ts.DiagnosticCategory.Error, key: "Only_a_void_function_can_be_called_with_the_new_keyword_2350", message: "Only a void function can be called with the 'new' keyword." },
-        Cannot_use_new_with_an_expression_whose_type_lacks_a_call_or_construct_signature: { code: 2351, category: ts.DiagnosticCategory.Error, key: "Cannot_use_new_with_an_expression_whose_type_lacks_a_call_or_construct_signature_2351", message: "Cannot use 'new' with an expression whose type lacks a call or construct signature." },
-        Type_0_cannot_be_converted_to_type_1: { code: 2352, category: ts.DiagnosticCategory.Error, key: "Type_0_cannot_be_converted_to_type_1_2352", message: "Type '{0}' cannot be converted to type '{1}'." },
-        Object_literal_may_only_specify_known_properties_and_0_does_not_exist_in_type_1: { code: 2353, category: ts.DiagnosticCategory.Error, key: "Object_literal_may_only_specify_known_properties_and_0_does_not_exist_in_type_1_2353", message: "Object literal may only specify known properties, and '{0}' does not exist in type '{1}'." },
-        This_syntax_requires_an_imported_helper_but_module_0_cannot_be_found: { code: 2354, category: ts.DiagnosticCategory.Error, key: "This_syntax_requires_an_imported_helper_but_module_0_cannot_be_found_2354", message: "This syntax requires an imported helper but module '{0}' cannot be found." },
-        A_function_whose_declared_type_is_neither_void_nor_any_must_return_a_value: { code: 2355, category: ts.DiagnosticCategory.Error, key: "A_function_whose_declared_type_is_neither_void_nor_any_must_return_a_value_2355", message: "A function whose declared type is neither 'void' nor 'any' must return a value." },
-        An_arithmetic_operand_must_be_of_type_any_number_or_an_enum_type: { code: 2356, category: ts.DiagnosticCategory.Error, key: "An_arithmetic_operand_must_be_of_type_any_number_or_an_enum_type_2356", message: "An arithmetic operand must be of type 'any', 'number' or an enum type." },
-        The_operand_of_an_increment_or_decrement_operator_must_be_a_variable_or_a_property_access: { code: 2357, category: ts.DiagnosticCategory.Error, key: "The_operand_of_an_increment_or_decrement_operator_must_be_a_variable_or_a_property_access_2357", message: "The operand of an increment or decrement operator must be a variable or a property access." },
-        The_left_hand_side_of_an_instanceof_expression_must_be_of_type_any_an_object_type_or_a_type_parameter: { code: 2358, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_an_instanceof_expression_must_be_of_type_any_an_object_type_or_a_type_paramete_2358", message: "The left-hand side of an 'instanceof' expression must be of type 'any', an object type or a type parameter." },
-        The_right_hand_side_of_an_instanceof_expression_must_be_of_type_any_or_of_a_type_assignable_to_the_Function_interface_type: { code: 2359, category: ts.DiagnosticCategory.Error, key: "The_right_hand_side_of_an_instanceof_expression_must_be_of_type_any_or_of_a_type_assignable_to_the_F_2359", message: "The right-hand side of an 'instanceof' expression must be of type 'any' or of a type assignable to the 'Function' interface type." },
-        The_left_hand_side_of_an_in_expression_must_be_of_type_any_string_number_or_symbol: { code: 2360, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_an_in_expression_must_be_of_type_any_string_number_or_symbol_2360", message: "The left-hand side of an 'in' expression must be of type 'any', 'string', 'number', or 'symbol'." },
-        The_right_hand_side_of_an_in_expression_must_be_of_type_any_an_object_type_or_a_type_parameter: { code: 2361, category: ts.DiagnosticCategory.Error, key: "The_right_hand_side_of_an_in_expression_must_be_of_type_any_an_object_type_or_a_type_parameter_2361", message: "The right-hand side of an 'in' expression must be of type 'any', an object type or a type parameter." },
-        The_left_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_or_an_enum_type: { code: 2362, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_or_an_enum_type_2362", message: "The left-hand side of an arithmetic operation must be of type 'any', 'number' or an enum type." },
-        The_right_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_or_an_enum_type: { code: 2363, category: ts.DiagnosticCategory.Error, key: "The_right_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_or_an_enum_type_2363", message: "The right-hand side of an arithmetic operation must be of type 'any', 'number' or an enum type." },
-        The_left_hand_side_of_an_assignment_expression_must_be_a_variable_or_a_property_access: { code: 2364, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_an_assignment_expression_must_be_a_variable_or_a_property_access_2364", message: "The left-hand side of an assignment expression must be a variable or a property access." },
-        Operator_0_cannot_be_applied_to_types_1_and_2: { code: 2365, category: ts.DiagnosticCategory.Error, key: "Operator_0_cannot_be_applied_to_types_1_and_2_2365", message: "Operator '{0}' cannot be applied to types '{1}' and '{2}'." },
-        Function_lacks_ending_return_statement_and_return_type_does_not_include_undefined: { code: 2366, category: ts.DiagnosticCategory.Error, key: "Function_lacks_ending_return_statement_and_return_type_does_not_include_undefined_2366", message: "Function lacks ending return statement and return type does not include 'undefined'." },
-        Type_parameter_name_cannot_be_0: { code: 2368, category: ts.DiagnosticCategory.Error, key: "Type_parameter_name_cannot_be_0_2368", message: "Type parameter name cannot be '{0}'." },
-        A_parameter_property_is_only_allowed_in_a_constructor_implementation: { code: 2369, category: ts.DiagnosticCategory.Error, key: "A_parameter_property_is_only_allowed_in_a_constructor_implementation_2369", message: "A parameter property is only allowed in a constructor implementation." },
-        A_rest_parameter_must_be_of_an_array_type: { code: 2370, category: ts.DiagnosticCategory.Error, key: "A_rest_parameter_must_be_of_an_array_type_2370", message: "A rest parameter must be of an array type." },
-        A_parameter_initializer_is_only_allowed_in_a_function_or_constructor_implementation: { code: 2371, category: ts.DiagnosticCategory.Error, key: "A_parameter_initializer_is_only_allowed_in_a_function_or_constructor_implementation_2371", message: "A parameter initializer is only allowed in a function or constructor implementation." },
-        Parameter_0_cannot_be_referenced_in_its_initializer: { code: 2372, category: ts.DiagnosticCategory.Error, key: "Parameter_0_cannot_be_referenced_in_its_initializer_2372", message: "Parameter '{0}' cannot be referenced in its initializer." },
-        Initializer_of_parameter_0_cannot_reference_identifier_1_declared_after_it: { code: 2373, category: ts.DiagnosticCategory.Error, key: "Initializer_of_parameter_0_cannot_reference_identifier_1_declared_after_it_2373", message: "Initializer of parameter '{0}' cannot reference identifier '{1}' declared after it." },
-        Duplicate_string_index_signature: { code: 2374, category: ts.DiagnosticCategory.Error, key: "Duplicate_string_index_signature_2374", message: "Duplicate string index signature." },
-        Duplicate_number_index_signature: { code: 2375, category: ts.DiagnosticCategory.Error, key: "Duplicate_number_index_signature_2375", message: "Duplicate number index signature." },
-        A_super_call_must_be_the_first_statement_in_the_constructor_when_a_class_contains_initialized_properties_or_has_parameter_properties: { code: 2376, category: ts.DiagnosticCategory.Error, key: "A_super_call_must_be_the_first_statement_in_the_constructor_when_a_class_contains_initialized_proper_2376", message: "A 'super' call must be the first statement in the constructor when a class contains initialized properties or has parameter properties." },
-        Constructors_for_derived_classes_must_contain_a_super_call: { code: 2377, category: ts.DiagnosticCategory.Error, key: "Constructors_for_derived_classes_must_contain_a_super_call_2377", message: "Constructors for derived classes must contain a 'super' call." },
-        A_get_accessor_must_return_a_value: { code: 2378, category: ts.DiagnosticCategory.Error, key: "A_get_accessor_must_return_a_value_2378", message: "A 'get' accessor must return a value." },
-        Getter_and_setter_accessors_do_not_agree_in_visibility: { code: 2379, category: ts.DiagnosticCategory.Error, key: "Getter_and_setter_accessors_do_not_agree_in_visibility_2379", message: "Getter and setter accessors do not agree in visibility." },
-        get_and_set_accessor_must_have_the_same_type: { code: 2380, category: ts.DiagnosticCategory.Error, key: "get_and_set_accessor_must_have_the_same_type_2380", message: "'get' and 'set' accessor must have the same type." },
-        A_signature_with_an_implementation_cannot_use_a_string_literal_type: { code: 2381, category: ts.DiagnosticCategory.Error, key: "A_signature_with_an_implementation_cannot_use_a_string_literal_type_2381", message: "A signature with an implementation cannot use a string literal type." },
-        Specialized_overload_signature_is_not_assignable_to_any_non_specialized_signature: { code: 2382, category: ts.DiagnosticCategory.Error, key: "Specialized_overload_signature_is_not_assignable_to_any_non_specialized_signature_2382", message: "Specialized overload signature is not assignable to any non-specialized signature." },
-        Overload_signatures_must_all_be_exported_or_non_exported: { code: 2383, category: ts.DiagnosticCategory.Error, key: "Overload_signatures_must_all_be_exported_or_non_exported_2383", message: "Overload signatures must all be exported or non-exported." },
-        Overload_signatures_must_all_be_ambient_or_non_ambient: { code: 2384, category: ts.DiagnosticCategory.Error, key: "Overload_signatures_must_all_be_ambient_or_non_ambient_2384", message: "Overload signatures must all be ambient or non-ambient." },
-        Overload_signatures_must_all_be_public_private_or_protected: { code: 2385, category: ts.DiagnosticCategory.Error, key: "Overload_signatures_must_all_be_public_private_or_protected_2385", message: "Overload signatures must all be public, private or protected." },
-        Overload_signatures_must_all_be_optional_or_required: { code: 2386, category: ts.DiagnosticCategory.Error, key: "Overload_signatures_must_all_be_optional_or_required_2386", message: "Overload signatures must all be optional or required." },
-        Function_overload_must_be_static: { code: 2387, category: ts.DiagnosticCategory.Error, key: "Function_overload_must_be_static_2387", message: "Function overload must be static." },
-        Function_overload_must_not_be_static: { code: 2388, category: ts.DiagnosticCategory.Error, key: "Function_overload_must_not_be_static_2388", message: "Function overload must not be static." },
-        Function_implementation_name_must_be_0: { code: 2389, category: ts.DiagnosticCategory.Error, key: "Function_implementation_name_must_be_0_2389", message: "Function implementation name must be '{0}'." },
-        Constructor_implementation_is_missing: { code: 2390, category: ts.DiagnosticCategory.Error, key: "Constructor_implementation_is_missing_2390", message: "Constructor implementation is missing." },
-        Function_implementation_is_missing_or_not_immediately_following_the_declaration: { code: 2391, category: ts.DiagnosticCategory.Error, key: "Function_implementation_is_missing_or_not_immediately_following_the_declaration_2391", message: "Function implementation is missing or not immediately following the declaration." },
-        Multiple_constructor_implementations_are_not_allowed: { code: 2392, category: ts.DiagnosticCategory.Error, key: "Multiple_constructor_implementations_are_not_allowed_2392", message: "Multiple constructor implementations are not allowed." },
-        Duplicate_function_implementation: { code: 2393, category: ts.DiagnosticCategory.Error, key: "Duplicate_function_implementation_2393", message: "Duplicate function implementation." },
-        Overload_signature_is_not_compatible_with_function_implementation: { code: 2394, category: ts.DiagnosticCategory.Error, key: "Overload_signature_is_not_compatible_with_function_implementation_2394", message: "Overload signature is not compatible with function implementation." },
-        Individual_declarations_in_merged_declaration_0_must_be_all_exported_or_all_local: { code: 2395, category: ts.DiagnosticCategory.Error, key: "Individual_declarations_in_merged_declaration_0_must_be_all_exported_or_all_local_2395", message: "Individual declarations in merged declaration '{0}' must be all exported or all local." },
-        Duplicate_identifier_arguments_Compiler_uses_arguments_to_initialize_rest_parameters: { code: 2396, category: ts.DiagnosticCategory.Error, key: "Duplicate_identifier_arguments_Compiler_uses_arguments_to_initialize_rest_parameters_2396", message: "Duplicate identifier 'arguments'. Compiler uses 'arguments' to initialize rest parameters." },
-        Declaration_name_conflicts_with_built_in_global_identifier_0: { code: 2397, category: ts.DiagnosticCategory.Error, key: "Declaration_name_conflicts_with_built_in_global_identifier_0_2397", message: "Declaration name conflicts with built-in global identifier '{0}'." },
-        Duplicate_identifier_this_Compiler_uses_variable_declaration_this_to_capture_this_reference: { code: 2399, category: ts.DiagnosticCategory.Error, key: "Duplicate_identifier_this_Compiler_uses_variable_declaration_this_to_capture_this_reference_2399", message: "Duplicate identifier '_this'. Compiler uses variable declaration '_this' to capture 'this' reference." },
-        Expression_resolves_to_variable_declaration_this_that_compiler_uses_to_capture_this_reference: { code: 2400, category: ts.DiagnosticCategory.Error, key: "Expression_resolves_to_variable_declaration_this_that_compiler_uses_to_capture_this_reference_2400", message: "Expression resolves to variable declaration '_this' that compiler uses to capture 'this' reference." },
-        Duplicate_identifier_super_Compiler_uses_super_to_capture_base_class_reference: { code: 2401, category: ts.DiagnosticCategory.Error, key: "Duplicate_identifier_super_Compiler_uses_super_to_capture_base_class_reference_2401", message: "Duplicate identifier '_super'. Compiler uses '_super' to capture base class reference." },
-        Expression_resolves_to_super_that_compiler_uses_to_capture_base_class_reference: { code: 2402, category: ts.DiagnosticCategory.Error, key: "Expression_resolves_to_super_that_compiler_uses_to_capture_base_class_reference_2402", message: "Expression resolves to '_super' that compiler uses to capture base class reference." },
-        Subsequent_variable_declarations_must_have_the_same_type_Variable_0_must_be_of_type_1_but_here_has_type_2: { code: 2403, category: ts.DiagnosticCategory.Error, key: "Subsequent_variable_declarations_must_have_the_same_type_Variable_0_must_be_of_type_1_but_here_has_t_2403", message: "Subsequent variable declarations must have the same type.  Variable '{0}' must be of type '{1}', but here has type '{2}'." },
-        The_left_hand_side_of_a_for_in_statement_cannot_use_a_type_annotation: { code: 2404, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_a_for_in_statement_cannot_use_a_type_annotation_2404", message: "The left-hand side of a 'for...in' statement cannot use a type annotation." },
-        The_left_hand_side_of_a_for_in_statement_must_be_of_type_string_or_any: { code: 2405, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_a_for_in_statement_must_be_of_type_string_or_any_2405", message: "The left-hand side of a 'for...in' statement must be of type 'string' or 'any'." },
-        The_left_hand_side_of_a_for_in_statement_must_be_a_variable_or_a_property_access: { code: 2406, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_a_for_in_statement_must_be_a_variable_or_a_property_access_2406", message: "The left-hand side of a 'for...in' statement must be a variable or a property access." },
-        The_right_hand_side_of_a_for_in_statement_must_be_of_type_any_an_object_type_or_a_type_parameter: { code: 2407, category: ts.DiagnosticCategory.Error, key: "The_right_hand_side_of_a_for_in_statement_must_be_of_type_any_an_object_type_or_a_type_parameter_2407", message: "The right-hand side of a 'for...in' statement must be of type 'any', an object type or a type parameter." },
-        Setters_cannot_return_a_value: { code: 2408, category: ts.DiagnosticCategory.Error, key: "Setters_cannot_return_a_value_2408", message: "Setters cannot return a value." },
-        Return_type_of_constructor_signature_must_be_assignable_to_the_instance_type_of_the_class: { code: 2409, category: ts.DiagnosticCategory.Error, key: "Return_type_of_constructor_signature_must_be_assignable_to_the_instance_type_of_the_class_2409", message: "Return type of constructor signature must be assignable to the instance type of the class." },
-        The_with_statement_is_not_supported_All_symbols_in_a_with_block_will_have_type_any: { code: 2410, category: ts.DiagnosticCategory.Error, key: "The_with_statement_is_not_supported_All_symbols_in_a_with_block_will_have_type_any_2410", message: "The 'with' statement is not supported. All symbols in a 'with' block will have type 'any'." },
-        Property_0_of_type_1_is_not_assignable_to_string_index_type_2: { code: 2411, category: ts.DiagnosticCategory.Error, key: "Property_0_of_type_1_is_not_assignable_to_string_index_type_2_2411", message: "Property '{0}' of type '{1}' is not assignable to string index type '{2}'." },
-        Property_0_of_type_1_is_not_assignable_to_numeric_index_type_2: { code: 2412, category: ts.DiagnosticCategory.Error, key: "Property_0_of_type_1_is_not_assignable_to_numeric_index_type_2_2412", message: "Property '{0}' of type '{1}' is not assignable to numeric index type '{2}'." },
-        Numeric_index_type_0_is_not_assignable_to_string_index_type_1: { code: 2413, category: ts.DiagnosticCategory.Error, key: "Numeric_index_type_0_is_not_assignable_to_string_index_type_1_2413", message: "Numeric index type '{0}' is not assignable to string index type '{1}'." },
-        Class_name_cannot_be_0: { code: 2414, category: ts.DiagnosticCategory.Error, key: "Class_name_cannot_be_0_2414", message: "Class name cannot be '{0}'." },
-        Class_0_incorrectly_extends_base_class_1: { code: 2415, category: ts.DiagnosticCategory.Error, key: "Class_0_incorrectly_extends_base_class_1_2415", message: "Class '{0}' incorrectly extends base class '{1}'." },
-        Class_static_side_0_incorrectly_extends_base_class_static_side_1: { code: 2417, category: ts.DiagnosticCategory.Error, key: "Class_static_side_0_incorrectly_extends_base_class_static_side_1_2417", message: "Class static side '{0}' incorrectly extends base class static side '{1}'." },
-        Class_0_incorrectly_implements_interface_1: { code: 2420, category: ts.DiagnosticCategory.Error, key: "Class_0_incorrectly_implements_interface_1_2420", message: "Class '{0}' incorrectly implements interface '{1}'." },
-        A_class_may_only_implement_another_class_or_interface: { code: 2422, category: ts.DiagnosticCategory.Error, key: "A_class_may_only_implement_another_class_or_interface_2422", message: "A class may only implement another class or interface." },
-        Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_accessor: { code: 2423, category: ts.DiagnosticCategory.Error, key: "Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_access_2423", message: "Class '{0}' defines instance member function '{1}', but extended class '{2}' defines it as instance member accessor." },
-        Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_property: { code: 2424, category: ts.DiagnosticCategory.Error, key: "Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_proper_2424", message: "Class '{0}' defines instance member function '{1}', but extended class '{2}' defines it as instance member property." },
-        Class_0_defines_instance_member_property_1_but_extended_class_2_defines_it_as_instance_member_function: { code: 2425, category: ts.DiagnosticCategory.Error, key: "Class_0_defines_instance_member_property_1_but_extended_class_2_defines_it_as_instance_member_functi_2425", message: "Class '{0}' defines instance member property '{1}', but extended class '{2}' defines it as instance member function." },
-        Class_0_defines_instance_member_accessor_1_but_extended_class_2_defines_it_as_instance_member_function: { code: 2426, category: ts.DiagnosticCategory.Error, key: "Class_0_defines_instance_member_accessor_1_but_extended_class_2_defines_it_as_instance_member_functi_2426", message: "Class '{0}' defines instance member accessor '{1}', but extended class '{2}' defines it as instance member function." },
-        Interface_name_cannot_be_0: { code: 2427, category: ts.DiagnosticCategory.Error, key: "Interface_name_cannot_be_0_2427", message: "Interface name cannot be '{0}'." },
-        All_declarations_of_0_must_have_identical_type_parameters: { code: 2428, category: ts.DiagnosticCategory.Error, key: "All_declarations_of_0_must_have_identical_type_parameters_2428", message: "All declarations of '{0}' must have identical type parameters." },
-        Interface_0_incorrectly_extends_interface_1: { code: 2430, category: ts.DiagnosticCategory.Error, key: "Interface_0_incorrectly_extends_interface_1_2430", message: "Interface '{0}' incorrectly extends interface '{1}'." },
-        Enum_name_cannot_be_0: { code: 2431, category: ts.DiagnosticCategory.Error, key: "Enum_name_cannot_be_0_2431", message: "Enum name cannot be '{0}'." },
-        In_an_enum_with_multiple_declarations_only_one_declaration_can_omit_an_initializer_for_its_first_enum_element: { code: 2432, category: ts.DiagnosticCategory.Error, key: "In_an_enum_with_multiple_declarations_only_one_declaration_can_omit_an_initializer_for_its_first_enu_2432", message: "In an enum with multiple declarations, only one declaration can omit an initializer for its first enum element." },
-        A_namespace_declaration_cannot_be_in_a_different_file_from_a_class_or_function_with_which_it_is_merged: { code: 2433, category: ts.DiagnosticCategory.Error, key: "A_namespace_declaration_cannot_be_in_a_different_file_from_a_class_or_function_with_which_it_is_merg_2433", message: "A namespace declaration cannot be in a different file from a class or function with which it is merged." },
-        A_namespace_declaration_cannot_be_located_prior_to_a_class_or_function_with_which_it_is_merged: { code: 2434, category: ts.DiagnosticCategory.Error, key: "A_namespace_declaration_cannot_be_located_prior_to_a_class_or_function_with_which_it_is_merged_2434", message: "A namespace declaration cannot be located prior to a class or function with which it is merged." },
-        Ambient_modules_cannot_be_nested_in_other_modules_or_namespaces: { code: 2435, category: ts.DiagnosticCategory.Error, key: "Ambient_modules_cannot_be_nested_in_other_modules_or_namespaces_2435", message: "Ambient modules cannot be nested in other modules or namespaces." },
-        Ambient_module_declaration_cannot_specify_relative_module_name: { code: 2436, category: ts.DiagnosticCategory.Error, key: "Ambient_module_declaration_cannot_specify_relative_module_name_2436", message: "Ambient module declaration cannot specify relative module name." },
-        Module_0_is_hidden_by_a_local_declaration_with_the_same_name: { code: 2437, category: ts.DiagnosticCategory.Error, key: "Module_0_is_hidden_by_a_local_declaration_with_the_same_name_2437", message: "Module '{0}' is hidden by a local declaration with the same name." },
-        Import_name_cannot_be_0: { code: 2438, category: ts.DiagnosticCategory.Error, key: "Import_name_cannot_be_0_2438", message: "Import name cannot be '{0}'." },
-        Import_or_export_declaration_in_an_ambient_module_declaration_cannot_reference_module_through_relative_module_name: { code: 2439, category: ts.DiagnosticCategory.Error, key: "Import_or_export_declaration_in_an_ambient_module_declaration_cannot_reference_module_through_relati_2439", message: "Import or export declaration in an ambient module declaration cannot reference module through relative module name." },
-        Import_declaration_conflicts_with_local_declaration_of_0: { code: 2440, category: ts.DiagnosticCategory.Error, key: "Import_declaration_conflicts_with_local_declaration_of_0_2440", message: "Import declaration conflicts with local declaration of '{0}'." },
-        Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module: { code: 2441, category: ts.DiagnosticCategory.Error, key: "Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module_2441", message: "Duplicate identifier '{0}'. Compiler reserves name '{1}' in top level scope of a module." },
-        Types_have_separate_declarations_of_a_private_property_0: { code: 2442, category: ts.DiagnosticCategory.Error, key: "Types_have_separate_declarations_of_a_private_property_0_2442", message: "Types have separate declarations of a private property '{0}'." },
-        Property_0_is_protected_but_type_1_is_not_a_class_derived_from_2: { code: 2443, category: ts.DiagnosticCategory.Error, key: "Property_0_is_protected_but_type_1_is_not_a_class_derived_from_2_2443", message: "Property '{0}' is protected but type '{1}' is not a class derived from '{2}'." },
-        Property_0_is_protected_in_type_1_but_public_in_type_2: { code: 2444, category: ts.DiagnosticCategory.Error, key: "Property_0_is_protected_in_type_1_but_public_in_type_2_2444", message: "Property '{0}' is protected in type '{1}' but public in type '{2}'." },
-        Property_0_is_protected_and_only_accessible_within_class_1_and_its_subclasses: { code: 2445, category: ts.DiagnosticCategory.Error, key: "Property_0_is_protected_and_only_accessible_within_class_1_and_its_subclasses_2445", message: "Property '{0}' is protected and only accessible within class '{1}' and its subclasses." },
-        Property_0_is_protected_and_only_accessible_through_an_instance_of_class_1: { code: 2446, category: ts.DiagnosticCategory.Error, key: "Property_0_is_protected_and_only_accessible_through_an_instance_of_class_1_2446", message: "Property '{0}' is protected and only accessible through an instance of class '{1}'." },
-        The_0_operator_is_not_allowed_for_boolean_types_Consider_using_1_instead: { code: 2447, category: ts.DiagnosticCategory.Error, key: "The_0_operator_is_not_allowed_for_boolean_types_Consider_using_1_instead_2447", message: "The '{0}' operator is not allowed for boolean types. Consider using '{1}' instead." },
-        Block_scoped_variable_0_used_before_its_declaration: { code: 2448, category: ts.DiagnosticCategory.Error, key: "Block_scoped_variable_0_used_before_its_declaration_2448", message: "Block-scoped variable '{0}' used before its declaration." },
-        Class_0_used_before_its_declaration: { code: 2449, category: ts.DiagnosticCategory.Error, key: "Class_0_used_before_its_declaration_2449", message: "Class '{0}' used before its declaration." },
-        Enum_0_used_before_its_declaration: { code: 2450, category: ts.DiagnosticCategory.Error, key: "Enum_0_used_before_its_declaration_2450", message: "Enum '{0}' used before its declaration." },
-        Cannot_redeclare_block_scoped_variable_0: { code: 2451, category: ts.DiagnosticCategory.Error, key: "Cannot_redeclare_block_scoped_variable_0_2451", message: "Cannot redeclare block-scoped variable '{0}'." },
-        An_enum_member_cannot_have_a_numeric_name: { code: 2452, category: ts.DiagnosticCategory.Error, key: "An_enum_member_cannot_have_a_numeric_name_2452", message: "An enum member cannot have a numeric name." },
-        The_type_argument_for_type_parameter_0_cannot_be_inferred_from_the_usage_Consider_specifying_the_type_arguments_explicitly: { code: 2453, category: ts.DiagnosticCategory.Error, key: "The_type_argument_for_type_parameter_0_cannot_be_inferred_from_the_usage_Consider_specifying_the_typ_2453", message: "The type argument for type parameter '{0}' cannot be inferred from the usage. Consider specifying the type arguments explicitly." },
-        Variable_0_is_used_before_being_assigned: { code: 2454, category: ts.DiagnosticCategory.Error, key: "Variable_0_is_used_before_being_assigned_2454", message: "Variable '{0}' is used before being assigned." },
-        Type_argument_candidate_1_is_not_a_valid_type_argument_because_it_is_not_a_supertype_of_candidate_0: { code: 2455, category: ts.DiagnosticCategory.Error, key: "Type_argument_candidate_1_is_not_a_valid_type_argument_because_it_is_not_a_supertype_of_candidate_0_2455", message: "Type argument candidate '{1}' is not a valid type argument because it is not a supertype of candidate '{0}'." },
-        Type_alias_0_circularly_references_itself: { code: 2456, category: ts.DiagnosticCategory.Error, key: "Type_alias_0_circularly_references_itself_2456", message: "Type alias '{0}' circularly references itself." },
-        Type_alias_name_cannot_be_0: { code: 2457, category: ts.DiagnosticCategory.Error, key: "Type_alias_name_cannot_be_0_2457", message: "Type alias name cannot be '{0}'." },
-        An_AMD_module_cannot_have_multiple_name_assignments: { code: 2458, category: ts.DiagnosticCategory.Error, key: "An_AMD_module_cannot_have_multiple_name_assignments_2458", message: "An AMD module cannot have multiple name assignments." },
-        Type_0_has_no_property_1_and_no_string_index_signature: { code: 2459, category: ts.DiagnosticCategory.Error, key: "Type_0_has_no_property_1_and_no_string_index_signature_2459", message: "Type '{0}' has no property '{1}' and no string index signature." },
-        Type_0_has_no_property_1: { code: 2460, category: ts.DiagnosticCategory.Error, key: "Type_0_has_no_property_1_2460", message: "Type '{0}' has no property '{1}'." },
-        Type_0_is_not_an_array_type: { code: 2461, category: ts.DiagnosticCategory.Error, key: "Type_0_is_not_an_array_type_2461", message: "Type '{0}' is not an array type." },
-        A_rest_element_must_be_last_in_a_destructuring_pattern: { code: 2462, category: ts.DiagnosticCategory.Error, key: "A_rest_element_must_be_last_in_a_destructuring_pattern_2462", message: "A rest element must be last in a destructuring pattern." },
-        A_binding_pattern_parameter_cannot_be_optional_in_an_implementation_signature: { code: 2463, category: ts.DiagnosticCategory.Error, key: "A_binding_pattern_parameter_cannot_be_optional_in_an_implementation_signature_2463", message: "A binding pattern parameter cannot be optional in an implementation signature." },
-        A_computed_property_name_must_be_of_type_string_number_symbol_or_any: { code: 2464, category: ts.DiagnosticCategory.Error, key: "A_computed_property_name_must_be_of_type_string_number_symbol_or_any_2464", message: "A computed property name must be of type 'string', 'number', 'symbol', or 'any'." },
-        this_cannot_be_referenced_in_a_computed_property_name: { code: 2465, category: ts.DiagnosticCategory.Error, key: "this_cannot_be_referenced_in_a_computed_property_name_2465", message: "'this' cannot be referenced in a computed property name." },
-        super_cannot_be_referenced_in_a_computed_property_name: { code: 2466, category: ts.DiagnosticCategory.Error, key: "super_cannot_be_referenced_in_a_computed_property_name_2466", message: "'super' cannot be referenced in a computed property name." },
-        A_computed_property_name_cannot_reference_a_type_parameter_from_its_containing_type: { code: 2467, category: ts.DiagnosticCategory.Error, key: "A_computed_property_name_cannot_reference_a_type_parameter_from_its_containing_type_2467", message: "A computed property name cannot reference a type parameter from its containing type." },
-        Cannot_find_global_value_0: { code: 2468, category: ts.DiagnosticCategory.Error, key: "Cannot_find_global_value_0_2468", message: "Cannot find global value '{0}'." },
-        The_0_operator_cannot_be_applied_to_type_symbol: { code: 2469, category: ts.DiagnosticCategory.Error, key: "The_0_operator_cannot_be_applied_to_type_symbol_2469", message: "The '{0}' operator cannot be applied to type 'symbol'." },
-        Symbol_reference_does_not_refer_to_the_global_Symbol_constructor_object: { code: 2470, category: ts.DiagnosticCategory.Error, key: "Symbol_reference_does_not_refer_to_the_global_Symbol_constructor_object_2470", message: "'Symbol' reference does not refer to the global Symbol constructor object." },
-        A_computed_property_name_of_the_form_0_must_be_of_type_symbol: { code: 2471, category: ts.DiagnosticCategory.Error, key: "A_computed_property_name_of_the_form_0_must_be_of_type_symbol_2471", message: "A computed property name of the form '{0}' must be of type 'symbol'." },
-        Spread_operator_in_new_expressions_is_only_available_when_targeting_ECMAScript_5_and_higher: { code: 2472, category: ts.DiagnosticCategory.Error, key: "Spread_operator_in_new_expressions_is_only_available_when_targeting_ECMAScript_5_and_higher_2472", message: "Spread operator in 'new' expressions is only available when targeting ECMAScript 5 and higher." },
-        Enum_declarations_must_all_be_const_or_non_const: { code: 2473, category: ts.DiagnosticCategory.Error, key: "Enum_declarations_must_all_be_const_or_non_const_2473", message: "Enum declarations must all be const or non-const." },
-        In_const_enum_declarations_member_initializer_must_be_constant_expression: { code: 2474, category: ts.DiagnosticCategory.Error, key: "In_const_enum_declarations_member_initializer_must_be_constant_expression_2474", message: "In 'const' enum declarations member initializer must be constant expression." },
-        const_enums_can_only_be_used_in_property_or_index_access_expressions_or_the_right_hand_side_of_an_import_declaration_or_export_assignment: { code: 2475, category: ts.DiagnosticCategory.Error, key: "const_enums_can_only_be_used_in_property_or_index_access_expressions_or_the_right_hand_side_of_an_im_2475", message: "'const' enums can only be used in property or index access expressions or the right hand side of an import declaration or export assignment." },
-        A_const_enum_member_can_only_be_accessed_using_a_string_literal: { code: 2476, category: ts.DiagnosticCategory.Error, key: "A_const_enum_member_can_only_be_accessed_using_a_string_literal_2476", message: "A const enum member can only be accessed using a string literal." },
-        const_enum_member_initializer_was_evaluated_to_a_non_finite_value: { code: 2477, category: ts.DiagnosticCategory.Error, key: "const_enum_member_initializer_was_evaluated_to_a_non_finite_value_2477", message: "'const' enum member initializer was evaluated to a non-finite value." },
-        const_enum_member_initializer_was_evaluated_to_disallowed_value_NaN: { code: 2478, category: ts.DiagnosticCategory.Error, key: "const_enum_member_initializer_was_evaluated_to_disallowed_value_NaN_2478", message: "'const' enum member initializer was evaluated to disallowed value 'NaN'." },
-        Property_0_does_not_exist_on_const_enum_1: { code: 2479, category: ts.DiagnosticCategory.Error, key: "Property_0_does_not_exist_on_const_enum_1_2479", message: "Property '{0}' does not exist on 'const' enum '{1}'." },
-        let_is_not_allowed_to_be_used_as_a_name_in_let_or_const_declarations: { code: 2480, category: ts.DiagnosticCategory.Error, key: "let_is_not_allowed_to_be_used_as_a_name_in_let_or_const_declarations_2480", message: "'let' is not allowed to be used as a name in 'let' or 'const' declarations." },
-        Cannot_initialize_outer_scoped_variable_0_in_the_same_scope_as_block_scoped_declaration_1: { code: 2481, category: ts.DiagnosticCategory.Error, key: "Cannot_initialize_outer_scoped_variable_0_in_the_same_scope_as_block_scoped_declaration_1_2481", message: "Cannot initialize outer scoped variable '{0}' in the same scope as block scoped declaration '{1}'." },
-        The_left_hand_side_of_a_for_of_statement_cannot_use_a_type_annotation: { code: 2483, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_a_for_of_statement_cannot_use_a_type_annotation_2483", message: "The left-hand side of a 'for...of' statement cannot use a type annotation." },
-        Export_declaration_conflicts_with_exported_declaration_of_0: { code: 2484, category: ts.DiagnosticCategory.Error, key: "Export_declaration_conflicts_with_exported_declaration_of_0_2484", message: "Export declaration conflicts with exported declaration of '{0}'." },
-        The_left_hand_side_of_a_for_of_statement_must_be_a_variable_or_a_property_access: { code: 2487, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_a_for_of_statement_must_be_a_variable_or_a_property_access_2487", message: "The left-hand side of a 'for...of' statement must be a variable or a property access." },
-        Type_must_have_a_Symbol_iterator_method_that_returns_an_iterator: { code: 2488, category: ts.DiagnosticCategory.Error, key: "Type_must_have_a_Symbol_iterator_method_that_returns_an_iterator_2488", message: "Type must have a '[Symbol.iterator]()' method that returns an iterator." },
-        An_iterator_must_have_a_next_method: { code: 2489, category: ts.DiagnosticCategory.Error, key: "An_iterator_must_have_a_next_method_2489", message: "An iterator must have a 'next()' method." },
-        The_type_returned_by_the_next_method_of_an_iterator_must_have_a_value_property: { code: 2490, category: ts.DiagnosticCategory.Error, key: "The_type_returned_by_the_next_method_of_an_iterator_must_have_a_value_property_2490", message: "The type returned by the 'next()' method of an iterator must have a 'value' property." },
-        The_left_hand_side_of_a_for_in_statement_cannot_be_a_destructuring_pattern: { code: 2491, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_a_for_in_statement_cannot_be_a_destructuring_pattern_2491", message: "The left-hand side of a 'for...in' statement cannot be a destructuring pattern." },
-        Cannot_redeclare_identifier_0_in_catch_clause: { code: 2492, category: ts.DiagnosticCategory.Error, key: "Cannot_redeclare_identifier_0_in_catch_clause_2492", message: "Cannot redeclare identifier '{0}' in catch clause." },
-        Tuple_type_0_with_length_1_cannot_be_assigned_to_tuple_with_length_2: { code: 2493, category: ts.DiagnosticCategory.Error, key: "Tuple_type_0_with_length_1_cannot_be_assigned_to_tuple_with_length_2_2493", message: "Tuple type '{0}' with length '{1}' cannot be assigned to tuple with length '{2}'." },
-        Using_a_string_in_a_for_of_statement_is_only_supported_in_ECMAScript_5_and_higher: { code: 2494, category: ts.DiagnosticCategory.Error, key: "Using_a_string_in_a_for_of_statement_is_only_supported_in_ECMAScript_5_and_higher_2494", message: "Using a string in a 'for...of' statement is only supported in ECMAScript 5 and higher." },
-        Type_0_is_not_an_array_type_or_a_string_type: { code: 2495, category: ts.DiagnosticCategory.Error, key: "Type_0_is_not_an_array_type_or_a_string_type_2495", message: "Type '{0}' is not an array type or a string type." },
-        The_arguments_object_cannot_be_referenced_in_an_arrow_function_in_ES3_and_ES5_Consider_using_a_standard_function_expression: { code: 2496, category: ts.DiagnosticCategory.Error, key: "The_arguments_object_cannot_be_referenced_in_an_arrow_function_in_ES3_and_ES5_Consider_using_a_stand_2496", message: "The 'arguments' object cannot be referenced in an arrow function in ES3 and ES5. Consider using a standard function expression." },
-        Module_0_resolves_to_a_non_module_entity_and_cannot_be_imported_using_this_construct: { code: 2497, category: ts.DiagnosticCategory.Error, key: "Module_0_resolves_to_a_non_module_entity_and_cannot_be_imported_using_this_construct_2497", message: "Module '{0}' resolves to a non-module entity and cannot be imported using this construct." },
-        Module_0_uses_export_and_cannot_be_used_with_export_Asterisk: { code: 2498, category: ts.DiagnosticCategory.Error, key: "Module_0_uses_export_and_cannot_be_used_with_export_Asterisk_2498", message: "Module '{0}' uses 'export =' and cannot be used with 'export *'." },
-        An_interface_can_only_extend_an_identifier_Slashqualified_name_with_optional_type_arguments: { code: 2499, category: ts.DiagnosticCategory.Error, key: "An_interface_can_only_extend_an_identifier_Slashqualified_name_with_optional_type_arguments_2499", message: "An interface can only extend an identifier/qualified-name with optional type arguments." },
-        A_class_can_only_implement_an_identifier_Slashqualified_name_with_optional_type_arguments: { code: 2500, category: ts.DiagnosticCategory.Error, key: "A_class_can_only_implement_an_identifier_Slashqualified_name_with_optional_type_arguments_2500", message: "A class can only implement an identifier/qualified-name with optional type arguments." },
-        A_rest_element_cannot_contain_a_binding_pattern: { code: 2501, category: ts.DiagnosticCategory.Error, key: "A_rest_element_cannot_contain_a_binding_pattern_2501", message: "A rest element cannot contain a binding pattern." },
-        _0_is_referenced_directly_or_indirectly_in_its_own_type_annotation: { code: 2502, category: ts.DiagnosticCategory.Error, key: "_0_is_referenced_directly_or_indirectly_in_its_own_type_annotation_2502", message: "'{0}' is referenced directly or indirectly in its own type annotation." },
-        Cannot_find_namespace_0: { code: 2503, category: ts.DiagnosticCategory.Error, key: "Cannot_find_namespace_0_2503", message: "Cannot find namespace '{0}'." },
-        Type_must_have_a_Symbol_asyncIterator_method_that_returns_an_async_iterator: { code: 2504, category: ts.DiagnosticCategory.Error, key: "Type_must_have_a_Symbol_asyncIterator_method_that_returns_an_async_iterator_2504", message: "Type must have a '[Symbol.asyncIterator]()' method that returns an async iterator." },
-        A_generator_cannot_have_a_void_type_annotation: { code: 2505, category: ts.DiagnosticCategory.Error, key: "A_generator_cannot_have_a_void_type_annotation_2505", message: "A generator cannot have a 'void' type annotation." },
-        _0_is_referenced_directly_or_indirectly_in_its_own_base_expression: { code: 2506, category: ts.DiagnosticCategory.Error, key: "_0_is_referenced_directly_or_indirectly_in_its_own_base_expression_2506", message: "'{0}' is referenced directly or indirectly in its own base expression." },
-        Type_0_is_not_a_constructor_function_type: { code: 2507, category: ts.DiagnosticCategory.Error, key: "Type_0_is_not_a_constructor_function_type_2507", message: "Type '{0}' is not a constructor function type." },
-        No_base_constructor_has_the_specified_number_of_type_arguments: { code: 2508, category: ts.DiagnosticCategory.Error, key: "No_base_constructor_has_the_specified_number_of_type_arguments_2508", message: "No base constructor has the specified number of type arguments." },
-        Base_constructor_return_type_0_is_not_a_class_or_interface_type: { code: 2509, category: ts.DiagnosticCategory.Error, key: "Base_constructor_return_type_0_is_not_a_class_or_interface_type_2509", message: "Base constructor return type '{0}' is not a class or interface type." },
-        Base_constructors_must_all_have_the_same_return_type: { code: 2510, category: ts.DiagnosticCategory.Error, key: "Base_constructors_must_all_have_the_same_return_type_2510", message: "Base constructors must all have the same return type." },
-        Cannot_create_an_instance_of_the_abstract_class_0: { code: 2511, category: ts.DiagnosticCategory.Error, key: "Cannot_create_an_instance_of_the_abstract_class_0_2511", message: "Cannot create an instance of the abstract class '{0}'." },
-        Overload_signatures_must_all_be_abstract_or_non_abstract: { code: 2512, category: ts.DiagnosticCategory.Error, key: "Overload_signatures_must_all_be_abstract_or_non_abstract_2512", message: "Overload signatures must all be abstract or non-abstract." },
-        Abstract_method_0_in_class_1_cannot_be_accessed_via_super_expression: { code: 2513, category: ts.DiagnosticCategory.Error, key: "Abstract_method_0_in_class_1_cannot_be_accessed_via_super_expression_2513", message: "Abstract method '{0}' in class '{1}' cannot be accessed via super expression." },
-        Classes_containing_abstract_methods_must_be_marked_abstract: { code: 2514, category: ts.DiagnosticCategory.Error, key: "Classes_containing_abstract_methods_must_be_marked_abstract_2514", message: "Classes containing abstract methods must be marked abstract." },
-        Non_abstract_class_0_does_not_implement_inherited_abstract_member_1_from_class_2: { code: 2515, category: ts.DiagnosticCategory.Error, key: "Non_abstract_class_0_does_not_implement_inherited_abstract_member_1_from_class_2_2515", message: "Non-abstract class '{0}' does not implement inherited abstract member '{1}' from class '{2}'." },
-        All_declarations_of_an_abstract_method_must_be_consecutive: { code: 2516, category: ts.DiagnosticCategory.Error, key: "All_declarations_of_an_abstract_method_must_be_consecutive_2516", message: "All declarations of an abstract method must be consecutive." },
-        Cannot_assign_an_abstract_constructor_type_to_a_non_abstract_constructor_type: { code: 2517, category: ts.DiagnosticCategory.Error, key: "Cannot_assign_an_abstract_constructor_type_to_a_non_abstract_constructor_type_2517", message: "Cannot assign an abstract constructor type to a non-abstract constructor type." },
-        A_this_based_type_guard_is_not_compatible_with_a_parameter_based_type_guard: { code: 2518, category: ts.DiagnosticCategory.Error, key: "A_this_based_type_guard_is_not_compatible_with_a_parameter_based_type_guard_2518", message: "A 'this'-based type guard is not compatible with a parameter-based type guard." },
-        An_async_iterator_must_have_a_next_method: { code: 2519, category: ts.DiagnosticCategory.Error, key: "An_async_iterator_must_have_a_next_method_2519", message: "An async iterator must have a 'next()' method." },
-        Duplicate_identifier_0_Compiler_uses_declaration_1_to_support_async_functions: { code: 2520, category: ts.DiagnosticCategory.Error, key: "Duplicate_identifier_0_Compiler_uses_declaration_1_to_support_async_functions_2520", message: "Duplicate identifier '{0}'. Compiler uses declaration '{1}' to support async functions." },
-        Expression_resolves_to_variable_declaration_0_that_compiler_uses_to_support_async_functions: { code: 2521, category: ts.DiagnosticCategory.Error, key: "Expression_resolves_to_variable_declaration_0_that_compiler_uses_to_support_async_functions_2521", message: "Expression resolves to variable declaration '{0}' that compiler uses to support async functions." },
-        The_arguments_object_cannot_be_referenced_in_an_async_function_or_method_in_ES3_and_ES5_Consider_using_a_standard_function_or_method: { code: 2522, category: ts.DiagnosticCategory.Error, key: "The_arguments_object_cannot_be_referenced_in_an_async_function_or_method_in_ES3_and_ES5_Consider_usi_2522", message: "The 'arguments' object cannot be referenced in an async function or method in ES3 and ES5. Consider using a standard function or method." },
-        yield_expressions_cannot_be_used_in_a_parameter_initializer: { code: 2523, category: ts.DiagnosticCategory.Error, key: "yield_expressions_cannot_be_used_in_a_parameter_initializer_2523", message: "'yield' expressions cannot be used in a parameter initializer." },
-        await_expressions_cannot_be_used_in_a_parameter_initializer: { code: 2524, category: ts.DiagnosticCategory.Error, key: "await_expressions_cannot_be_used_in_a_parameter_initializer_2524", message: "'await' expressions cannot be used in a parameter initializer." },
-        Initializer_provides_no_value_for_this_binding_element_and_the_binding_element_has_no_default_value: { code: 2525, category: ts.DiagnosticCategory.Error, key: "Initializer_provides_no_value_for_this_binding_element_and_the_binding_element_has_no_default_value_2525", message: "Initializer provides no value for this binding element and the binding element has no default value." },
-        A_this_type_is_available_only_in_a_non_static_member_of_a_class_or_interface: { code: 2526, category: ts.DiagnosticCategory.Error, key: "A_this_type_is_available_only_in_a_non_static_member_of_a_class_or_interface_2526", message: "A 'this' type is available only in a non-static member of a class or interface." },
-        The_inferred_type_of_0_references_an_inaccessible_this_type_A_type_annotation_is_necessary: { code: 2527, category: ts.DiagnosticCategory.Error, key: "The_inferred_type_of_0_references_an_inaccessible_this_type_A_type_annotation_is_necessary_2527", message: "The inferred type of '{0}' references an inaccessible 'this' type. A type annotation is necessary." },
-        A_module_cannot_have_multiple_default_exports: { code: 2528, category: ts.DiagnosticCategory.Error, key: "A_module_cannot_have_multiple_default_exports_2528", message: "A module cannot have multiple default exports." },
-        Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module_containing_async_functions: { code: 2529, category: ts.DiagnosticCategory.Error, key: "Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module_containing_async_func_2529", message: "Duplicate identifier '{0}'. Compiler reserves name '{1}' in top level scope of a module containing async functions." },
-        Property_0_is_incompatible_with_index_signature: { code: 2530, category: ts.DiagnosticCategory.Error, key: "Property_0_is_incompatible_with_index_signature_2530", message: "Property '{0}' is incompatible with index signature." },
-        Object_is_possibly_null: { code: 2531, category: ts.DiagnosticCategory.Error, key: "Object_is_possibly_null_2531", message: "Object is possibly 'null'." },
-        Object_is_possibly_undefined: { code: 2532, category: ts.DiagnosticCategory.Error, key: "Object_is_possibly_undefined_2532", message: "Object is possibly 'undefined'." },
-        Object_is_possibly_null_or_undefined: { code: 2533, category: ts.DiagnosticCategory.Error, key: "Object_is_possibly_null_or_undefined_2533", message: "Object is possibly 'null' or 'undefined'." },
-        A_function_returning_never_cannot_have_a_reachable_end_point: { code: 2534, category: ts.DiagnosticCategory.Error, key: "A_function_returning_never_cannot_have_a_reachable_end_point_2534", message: "A function returning 'never' cannot have a reachable end point." },
-        Enum_type_0_has_members_with_initializers_that_are_not_literals: { code: 2535, category: ts.DiagnosticCategory.Error, key: "Enum_type_0_has_members_with_initializers_that_are_not_literals_2535", message: "Enum type '{0}' has members with initializers that are not literals." },
-        Type_0_cannot_be_used_to_index_type_1: { code: 2536, category: ts.DiagnosticCategory.Error, key: "Type_0_cannot_be_used_to_index_type_1_2536", message: "Type '{0}' cannot be used to index type '{1}'." },
-        Type_0_has_no_matching_index_signature_for_type_1: { code: 2537, category: ts.DiagnosticCategory.Error, key: "Type_0_has_no_matching_index_signature_for_type_1_2537", message: "Type '{0}' has no matching index signature for type '{1}'." },
-        Type_0_cannot_be_used_as_an_index_type: { code: 2538, category: ts.DiagnosticCategory.Error, key: "Type_0_cannot_be_used_as_an_index_type_2538", message: "Type '{0}' cannot be used as an index type." },
-        Cannot_assign_to_0_because_it_is_not_a_variable: { code: 2539, category: ts.DiagnosticCategory.Error, key: "Cannot_assign_to_0_because_it_is_not_a_variable_2539", message: "Cannot assign to '{0}' because it is not a variable." },
-        Cannot_assign_to_0_because_it_is_a_constant_or_a_read_only_property: { code: 2540, category: ts.DiagnosticCategory.Error, key: "Cannot_assign_to_0_because_it_is_a_constant_or_a_read_only_property_2540", message: "Cannot assign to '{0}' because it is a constant or a read-only property." },
-        The_target_of_an_assignment_must_be_a_variable_or_a_property_access: { code: 2541, category: ts.DiagnosticCategory.Error, key: "The_target_of_an_assignment_must_be_a_variable_or_a_property_access_2541", message: "The target of an assignment must be a variable or a property access." },
-        Index_signature_in_type_0_only_permits_reading: { code: 2542, category: ts.DiagnosticCategory.Error, key: "Index_signature_in_type_0_only_permits_reading_2542", message: "Index signature in type '{0}' only permits reading." },
-        Duplicate_identifier_newTarget_Compiler_uses_variable_declaration_newTarget_to_capture_new_target_meta_property_reference: { code: 2543, category: ts.DiagnosticCategory.Error, key: "Duplicate_identifier_newTarget_Compiler_uses_variable_declaration_newTarget_to_capture_new_target_me_2543", message: "Duplicate identifier '_newTarget'. Compiler uses variable declaration '_newTarget' to capture 'new.target' meta-property reference." },
-        Expression_resolves_to_variable_declaration_newTarget_that_compiler_uses_to_capture_new_target_meta_property_reference: { code: 2544, category: ts.DiagnosticCategory.Error, key: "Expression_resolves_to_variable_declaration_newTarget_that_compiler_uses_to_capture_new_target_meta__2544", message: "Expression resolves to variable declaration '_newTarget' that compiler uses to capture 'new.target' meta-property reference." },
-        A_mixin_class_must_have_a_constructor_with_a_single_rest_parameter_of_type_any: { code: 2545, category: ts.DiagnosticCategory.Error, key: "A_mixin_class_must_have_a_constructor_with_a_single_rest_parameter_of_type_any_2545", message: "A mixin class must have a constructor with a single rest parameter of type 'any[]'." },
-        Property_0_has_conflicting_declarations_and_is_inaccessible_in_type_1: { code: 2546, category: ts.DiagnosticCategory.Error, key: "Property_0_has_conflicting_declarations_and_is_inaccessible_in_type_1_2546", message: "Property '{0}' has conflicting declarations and is inaccessible in type '{1}'." },
-        The_type_returned_by_the_next_method_of_an_async_iterator_must_be_a_promise_for_a_type_with_a_value_property: { code: 2547, category: ts.DiagnosticCategory.Error, key: "The_type_returned_by_the_next_method_of_an_async_iterator_must_be_a_promise_for_a_type_with_a_value__2547", message: "The type returned by the 'next()' method of an async iterator must be a promise for a type with a 'value' property." },
-        Type_0_is_not_an_array_type_or_does_not_have_a_Symbol_iterator_method_that_returns_an_iterator: { code: 2548, category: ts.DiagnosticCategory.Error, key: "Type_0_is_not_an_array_type_or_does_not_have_a_Symbol_iterator_method_that_returns_an_iterator_2548", message: "Type '{0}' is not an array type or does not have a '[Symbol.iterator]()' method that returns an iterator." },
-        Type_0_is_not_an_array_type_or_a_string_type_or_does_not_have_a_Symbol_iterator_method_that_returns_an_iterator: { code: 2549, category: ts.DiagnosticCategory.Error, key: "Type_0_is_not_an_array_type_or_a_string_type_or_does_not_have_a_Symbol_iterator_method_that_returns__2549", message: "Type '{0}' is not an array type or a string type or does not have a '[Symbol.iterator]()' method that returns an iterator." },
-        Generic_type_instantiation_is_excessively_deep_and_possibly_infinite: { code: 2550, category: ts.DiagnosticCategory.Error, key: "Generic_type_instantiation_is_excessively_deep_and_possibly_infinite_2550", message: "Generic type instantiation is excessively deep and possibly infinite." },
-        Property_0_does_not_exist_on_type_1_Did_you_mean_2: { code: 2551, category: ts.DiagnosticCategory.Error, key: "Property_0_does_not_exist_on_type_1_Did_you_mean_2_2551", message: "Property '{0}' does not exist on type '{1}'. Did you mean '{2}'?" },
-        Cannot_find_name_0_Did_you_mean_1: { code: 2552, category: ts.DiagnosticCategory.Error, key: "Cannot_find_name_0_Did_you_mean_1_2552", message: "Cannot find name '{0}'. Did you mean '{1}'?" },
-        Computed_values_are_not_permitted_in_an_enum_with_string_valued_members: { code: 2553, category: ts.DiagnosticCategory.Error, key: "Computed_values_are_not_permitted_in_an_enum_with_string_valued_members_2553", message: "Computed values are not permitted in an enum with string valued members." },
-        Expected_0_arguments_but_got_1: { code: 2554, category: ts.DiagnosticCategory.Error, key: "Expected_0_arguments_but_got_1_2554", message: "Expected {0} arguments, but got {1}." },
-        Expected_at_least_0_arguments_but_got_1: { code: 2555, category: ts.DiagnosticCategory.Error, key: "Expected_at_least_0_arguments_but_got_1_2555", message: "Expected at least {0} arguments, but got {1}." },
-        Expected_0_arguments_but_got_a_minimum_of_1: { code: 2556, category: ts.DiagnosticCategory.Error, key: "Expected_0_arguments_but_got_a_minimum_of_1_2556", message: "Expected {0} arguments, but got a minimum of {1}." },
-        Expected_at_least_0_arguments_but_got_a_minimum_of_1: { code: 2557, category: ts.DiagnosticCategory.Error, key: "Expected_at_least_0_arguments_but_got_a_minimum_of_1_2557", message: "Expected at least {0} arguments, but got a minimum of {1}." },
-        Expected_0_type_arguments_but_got_1: { code: 2558, category: ts.DiagnosticCategory.Error, key: "Expected_0_type_arguments_but_got_1_2558", message: "Expected {0} type arguments, but got {1}." },
-        Type_0_has_no_properties_in_common_with_type_1: { code: 2559, category: ts.DiagnosticCategory.Error, key: "Type_0_has_no_properties_in_common_with_type_1_2559", message: "Type '{0}' has no properties in common with type '{1}'." },
-        JSX_element_attributes_type_0_may_not_be_a_union_type: { code: 2600, category: ts.DiagnosticCategory.Error, key: "JSX_element_attributes_type_0_may_not_be_a_union_type_2600", message: "JSX element attributes type '{0}' may not be a union type." },
-        The_return_type_of_a_JSX_element_constructor_must_return_an_object_type: { code: 2601, category: ts.DiagnosticCategory.Error, key: "The_return_type_of_a_JSX_element_constructor_must_return_an_object_type_2601", message: "The return type of a JSX element constructor must return an object type." },
-        JSX_element_implicitly_has_type_any_because_the_global_type_JSX_Element_does_not_exist: { code: 2602, category: ts.DiagnosticCategory.Error, key: "JSX_element_implicitly_has_type_any_because_the_global_type_JSX_Element_does_not_exist_2602", message: "JSX element implicitly has type 'any' because the global type 'JSX.Element' does not exist." },
-        Property_0_in_type_1_is_not_assignable_to_type_2: { code: 2603, category: ts.DiagnosticCategory.Error, key: "Property_0_in_type_1_is_not_assignable_to_type_2_2603", message: "Property '{0}' in type '{1}' is not assignable to type '{2}'." },
-        JSX_element_type_0_does_not_have_any_construct_or_call_signatures: { code: 2604, category: ts.DiagnosticCategory.Error, key: "JSX_element_type_0_does_not_have_any_construct_or_call_signatures_2604", message: "JSX element type '{0}' does not have any construct or call signatures." },
-        JSX_element_type_0_is_not_a_constructor_function_for_JSX_elements: { code: 2605, category: ts.DiagnosticCategory.Error, key: "JSX_element_type_0_is_not_a_constructor_function_for_JSX_elements_2605", message: "JSX element type '{0}' is not a constructor function for JSX elements." },
-        Property_0_of_JSX_spread_attribute_is_not_assignable_to_target_property: { code: 2606, category: ts.DiagnosticCategory.Error, key: "Property_0_of_JSX_spread_attribute_is_not_assignable_to_target_property_2606", message: "Property '{0}' of JSX spread attribute is not assignable to target property." },
-        JSX_element_class_does_not_support_attributes_because_it_does_not_have_a_0_property: { code: 2607, category: ts.DiagnosticCategory.Error, key: "JSX_element_class_does_not_support_attributes_because_it_does_not_have_a_0_property_2607", message: "JSX element class does not support attributes because it does not have a '{0}' property." },
-        The_global_type_JSX_0_may_not_have_more_than_one_property: { code: 2608, category: ts.DiagnosticCategory.Error, key: "The_global_type_JSX_0_may_not_have_more_than_one_property_2608", message: "The global type 'JSX.{0}' may not have more than one property." },
-        JSX_spread_child_must_be_an_array_type: { code: 2609, category: ts.DiagnosticCategory.Error, key: "JSX_spread_child_must_be_an_array_type_2609", message: "JSX spread child must be an array type." },
-        Cannot_augment_module_0_with_value_exports_because_it_resolves_to_a_non_module_entity: { code: 2649, category: ts.DiagnosticCategory.Error, key: "Cannot_augment_module_0_with_value_exports_because_it_resolves_to_a_non_module_entity_2649", message: "Cannot augment module '{0}' with value exports because it resolves to a non-module entity." },
-        A_member_initializer_in_a_enum_declaration_cannot_reference_members_declared_after_it_including_members_defined_in_other_enums: { code: 2651, category: ts.DiagnosticCategory.Error, key: "A_member_initializer_in_a_enum_declaration_cannot_reference_members_declared_after_it_including_memb_2651", message: "A member initializer in a enum declaration cannot reference members declared after it, including members defined in other enums." },
-        Merged_declaration_0_cannot_include_a_default_export_declaration_Consider_adding_a_separate_export_default_0_declaration_instead: { code: 2652, category: ts.DiagnosticCategory.Error, key: "Merged_declaration_0_cannot_include_a_default_export_declaration_Consider_adding_a_separate_export_d_2652", message: "Merged declaration '{0}' cannot include a default export declaration. Consider adding a separate 'export default {0}' declaration instead." },
-        Non_abstract_class_expression_does_not_implement_inherited_abstract_member_0_from_class_1: { code: 2653, category: ts.DiagnosticCategory.Error, key: "Non_abstract_class_expression_does_not_implement_inherited_abstract_member_0_from_class_1_2653", message: "Non-abstract class expression does not implement inherited abstract member '{0}' from class '{1}'." },
-        Exported_external_package_typings_file_cannot_contain_tripleslash_references_Please_contact_the_package_author_to_update_the_package_definition: { code: 2654, category: ts.DiagnosticCategory.Error, key: "Exported_external_package_typings_file_cannot_contain_tripleslash_references_Please_contact_the_pack_2654", message: "Exported external package typings file cannot contain tripleslash references. Please contact the package author to update the package definition." },
-        Exported_external_package_typings_file_0_is_not_a_module_Please_contact_the_package_author_to_update_the_package_definition: { code: 2656, category: ts.DiagnosticCategory.Error, key: "Exported_external_package_typings_file_0_is_not_a_module_Please_contact_the_package_author_to_update_2656", message: "Exported external package typings file '{0}' is not a module. Please contact the package author to update the package definition." },
-        JSX_expressions_must_have_one_parent_element: { code: 2657, category: ts.DiagnosticCategory.Error, key: "JSX_expressions_must_have_one_parent_element_2657", message: "JSX expressions must have one parent element." },
-        Type_0_provides_no_match_for_the_signature_1: { code: 2658, category: ts.DiagnosticCategory.Error, key: "Type_0_provides_no_match_for_the_signature_1_2658", message: "Type '{0}' provides no match for the signature '{1}'." },
-        super_is_only_allowed_in_members_of_object_literal_expressions_when_option_target_is_ES2015_or_higher: { code: 2659, category: ts.DiagnosticCategory.Error, key: "super_is_only_allowed_in_members_of_object_literal_expressions_when_option_target_is_ES2015_or_highe_2659", message: "'super' is only allowed in members of object literal expressions when option 'target' is 'ES2015' or higher." },
-        super_can_only_be_referenced_in_members_of_derived_classes_or_object_literal_expressions: { code: 2660, category: ts.DiagnosticCategory.Error, key: "super_can_only_be_referenced_in_members_of_derived_classes_or_object_literal_expressions_2660", message: "'super' can only be referenced in members of derived classes or object literal expressions." },
-        Cannot_export_0_Only_local_declarations_can_be_exported_from_a_module: { code: 2661, category: ts.DiagnosticCategory.Error, key: "Cannot_export_0_Only_local_declarations_can_be_exported_from_a_module_2661", message: "Cannot export '{0}'. Only local declarations can be exported from a module." },
-        Cannot_find_name_0_Did_you_mean_the_static_member_1_0: { code: 2662, category: ts.DiagnosticCategory.Error, key: "Cannot_find_name_0_Did_you_mean_the_static_member_1_0_2662", message: "Cannot find name '{0}'. Did you mean the static member '{1}.{0}'?" },
-        Cannot_find_name_0_Did_you_mean_the_instance_member_this_0: { code: 2663, category: ts.DiagnosticCategory.Error, key: "Cannot_find_name_0_Did_you_mean_the_instance_member_this_0_2663", message: "Cannot find name '{0}'. Did you mean the instance member 'this.{0}'?" },
-        Invalid_module_name_in_augmentation_module_0_cannot_be_found: { code: 2664, category: ts.DiagnosticCategory.Error, key: "Invalid_module_name_in_augmentation_module_0_cannot_be_found_2664", message: "Invalid module name in augmentation, module '{0}' cannot be found." },
-        Invalid_module_name_in_augmentation_Module_0_resolves_to_an_untyped_module_at_1_which_cannot_be_augmented: { code: 2665, category: ts.DiagnosticCategory.Error, key: "Invalid_module_name_in_augmentation_Module_0_resolves_to_an_untyped_module_at_1_which_cannot_be_augm_2665", message: "Invalid module name in augmentation. Module '{0}' resolves to an untyped module at '{1}', which cannot be augmented." },
-        Exports_and_export_assignments_are_not_permitted_in_module_augmentations: { code: 2666, category: ts.DiagnosticCategory.Error, key: "Exports_and_export_assignments_are_not_permitted_in_module_augmentations_2666", message: "Exports and export assignments are not permitted in module augmentations." },
-        Imports_are_not_permitted_in_module_augmentations_Consider_moving_them_to_the_enclosing_external_module: { code: 2667, category: ts.DiagnosticCategory.Error, key: "Imports_are_not_permitted_in_module_augmentations_Consider_moving_them_to_the_enclosing_external_mod_2667", message: "Imports are not permitted in module augmentations. Consider moving them to the enclosing external module." },
-        export_modifier_cannot_be_applied_to_ambient_modules_and_module_augmentations_since_they_are_always_visible: { code: 2668, category: ts.DiagnosticCategory.Error, key: "export_modifier_cannot_be_applied_to_ambient_modules_and_module_augmentations_since_they_are_always__2668", message: "'export' modifier cannot be applied to ambient modules and module augmentations since they are always visible." },
-        Augmentations_for_the_global_scope_can_only_be_directly_nested_in_external_modules_or_ambient_module_declarations: { code: 2669, category: ts.DiagnosticCategory.Error, key: "Augmentations_for_the_global_scope_can_only_be_directly_nested_in_external_modules_or_ambient_module_2669", message: "Augmentations for the global scope can only be directly nested in external modules or ambient module declarations." },
-        Augmentations_for_the_global_scope_should_have_declare_modifier_unless_they_appear_in_already_ambient_context: { code: 2670, category: ts.DiagnosticCategory.Error, key: "Augmentations_for_the_global_scope_should_have_declare_modifier_unless_they_appear_in_already_ambien_2670", message: "Augmentations for the global scope should have 'declare' modifier unless they appear in already ambient context." },
-        Cannot_augment_module_0_because_it_resolves_to_a_non_module_entity: { code: 2671, category: ts.DiagnosticCategory.Error, key: "Cannot_augment_module_0_because_it_resolves_to_a_non_module_entity_2671", message: "Cannot augment module '{0}' because it resolves to a non-module entity." },
-        Cannot_assign_a_0_constructor_type_to_a_1_constructor_type: { code: 2672, category: ts.DiagnosticCategory.Error, key: "Cannot_assign_a_0_constructor_type_to_a_1_constructor_type_2672", message: "Cannot assign a '{0}' constructor type to a '{1}' constructor type." },
-        Constructor_of_class_0_is_private_and_only_accessible_within_the_class_declaration: { code: 2673, category: ts.DiagnosticCategory.Error, key: "Constructor_of_class_0_is_private_and_only_accessible_within_the_class_declaration_2673", message: "Constructor of class '{0}' is private and only accessible within the class declaration." },
-        Constructor_of_class_0_is_protected_and_only_accessible_within_the_class_declaration: { code: 2674, category: ts.DiagnosticCategory.Error, key: "Constructor_of_class_0_is_protected_and_only_accessible_within_the_class_declaration_2674", message: "Constructor of class '{0}' is protected and only accessible within the class declaration." },
-        Cannot_extend_a_class_0_Class_constructor_is_marked_as_private: { code: 2675, category: ts.DiagnosticCategory.Error, key: "Cannot_extend_a_class_0_Class_constructor_is_marked_as_private_2675", message: "Cannot extend a class '{0}'. Class constructor is marked as private." },
-        Accessors_must_both_be_abstract_or_non_abstract: { code: 2676, category: ts.DiagnosticCategory.Error, key: "Accessors_must_both_be_abstract_or_non_abstract_2676", message: "Accessors must both be abstract or non-abstract." },
-        A_type_predicate_s_type_must_be_assignable_to_its_parameter_s_type: { code: 2677, category: ts.DiagnosticCategory.Error, key: "A_type_predicate_s_type_must_be_assignable_to_its_parameter_s_type_2677", message: "A type predicate's type must be assignable to its parameter's type." },
-        Type_0_is_not_comparable_to_type_1: { code: 2678, category: ts.DiagnosticCategory.Error, key: "Type_0_is_not_comparable_to_type_1_2678", message: "Type '{0}' is not comparable to type '{1}'." },
-        A_function_that_is_called_with_the_new_keyword_cannot_have_a_this_type_that_is_void: { code: 2679, category: ts.DiagnosticCategory.Error, key: "A_function_that_is_called_with_the_new_keyword_cannot_have_a_this_type_that_is_void_2679", message: "A function that is called with the 'new' keyword cannot have a 'this' type that is 'void'." },
-        A_this_parameter_must_be_the_first_parameter: { code: 2680, category: ts.DiagnosticCategory.Error, key: "A_this_parameter_must_be_the_first_parameter_2680", message: "A 'this' parameter must be the first parameter." },
-        A_constructor_cannot_have_a_this_parameter: { code: 2681, category: ts.DiagnosticCategory.Error, key: "A_constructor_cannot_have_a_this_parameter_2681", message: "A constructor cannot have a 'this' parameter." },
-        get_and_set_accessor_must_have_the_same_this_type: { code: 2682, category: ts.DiagnosticCategory.Error, key: "get_and_set_accessor_must_have_the_same_this_type_2682", message: "'get' and 'set' accessor must have the same 'this' type." },
-        this_implicitly_has_type_any_because_it_does_not_have_a_type_annotation: { code: 2683, category: ts.DiagnosticCategory.Error, key: "this_implicitly_has_type_any_because_it_does_not_have_a_type_annotation_2683", message: "'this' implicitly has type 'any' because it does not have a type annotation." },
-        The_this_context_of_type_0_is_not_assignable_to_method_s_this_of_type_1: { code: 2684, category: ts.DiagnosticCategory.Error, key: "The_this_context_of_type_0_is_not_assignable_to_method_s_this_of_type_1_2684", message: "The 'this' context of type '{0}' is not assignable to method's 'this' of type '{1}'." },
-        The_this_types_of_each_signature_are_incompatible: { code: 2685, category: ts.DiagnosticCategory.Error, key: "The_this_types_of_each_signature_are_incompatible_2685", message: "The 'this' types of each signature are incompatible." },
-        _0_refers_to_a_UMD_global_but_the_current_file_is_a_module_Consider_adding_an_import_instead: { code: 2686, category: ts.DiagnosticCategory.Error, key: "_0_refers_to_a_UMD_global_but_the_current_file_is_a_module_Consider_adding_an_import_instead_2686", message: "'{0}' refers to a UMD global, but the current file is a module. Consider adding an import instead." },
-        All_declarations_of_0_must_have_identical_modifiers: { code: 2687, category: ts.DiagnosticCategory.Error, key: "All_declarations_of_0_must_have_identical_modifiers_2687", message: "All declarations of '{0}' must have identical modifiers." },
-        Cannot_find_type_definition_file_for_0: { code: 2688, category: ts.DiagnosticCategory.Error, key: "Cannot_find_type_definition_file_for_0_2688", message: "Cannot find type definition file for '{0}'." },
-        Cannot_extend_an_interface_0_Did_you_mean_implements: { code: 2689, category: ts.DiagnosticCategory.Error, key: "Cannot_extend_an_interface_0_Did_you_mean_implements_2689", message: "Cannot extend an interface '{0}'. Did you mean 'implements'?" },
-        An_import_path_cannot_end_with_a_0_extension_Consider_importing_1_instead: { code: 2691, category: ts.DiagnosticCategory.Error, key: "An_import_path_cannot_end_with_a_0_extension_Consider_importing_1_instead_2691", message: "An import path cannot end with a '{0}' extension. Consider importing '{1}' instead." },
-        _0_is_a_primitive_but_1_is_a_wrapper_object_Prefer_using_0_when_possible: { code: 2692, category: ts.DiagnosticCategory.Error, key: "_0_is_a_primitive_but_1_is_a_wrapper_object_Prefer_using_0_when_possible_2692", message: "'{0}' is a primitive, but '{1}' is a wrapper object. Prefer using '{0}' when possible." },
-        _0_only_refers_to_a_type_but_is_being_used_as_a_value_here: { code: 2693, category: ts.DiagnosticCategory.Error, key: "_0_only_refers_to_a_type_but_is_being_used_as_a_value_here_2693", message: "'{0}' only refers to a type, but is being used as a value here." },
-        Namespace_0_has_no_exported_member_1: { code: 2694, category: ts.DiagnosticCategory.Error, key: "Namespace_0_has_no_exported_member_1_2694", message: "Namespace '{0}' has no exported member '{1}'." },
-        Left_side_of_comma_operator_is_unused_and_has_no_side_effects: { code: 2695, category: ts.DiagnosticCategory.Error, key: "Left_side_of_comma_operator_is_unused_and_has_no_side_effects_2695", message: "Left side of comma operator is unused and has no side effects." },
-        The_Object_type_is_assignable_to_very_few_other_types_Did_you_mean_to_use_the_any_type_instead: { code: 2696, category: ts.DiagnosticCategory.Error, key: "The_Object_type_is_assignable_to_very_few_other_types_Did_you_mean_to_use_the_any_type_instead_2696", message: "The 'Object' type is assignable to very few other types. Did you mean to use the 'any' type instead?" },
-        An_async_function_or_method_must_return_a_Promise_Make_sure_you_have_a_declaration_for_Promise_or_include_ES2015_in_your_lib_option: { code: 2697, category: ts.DiagnosticCategory.Error, key: "An_async_function_or_method_must_return_a_Promise_Make_sure_you_have_a_declaration_for_Promise_or_in_2697", message: "An async function or method must return a 'Promise'. Make sure you have a declaration for 'Promise' or include 'ES2015' in your `--lib` option." },
-        Spread_types_may_only_be_created_from_object_types: { code: 2698, category: ts.DiagnosticCategory.Error, key: "Spread_types_may_only_be_created_from_object_types_2698", message: "Spread types may only be created from object types." },
-        Static_property_0_conflicts_with_built_in_property_Function_0_of_constructor_function_1: { code: 2699, category: ts.DiagnosticCategory.Error, key: "Static_property_0_conflicts_with_built_in_property_Function_0_of_constructor_function_1_2699", message: "Static property '{0}' conflicts with built-in property 'Function.{0}' of constructor function '{1}'." },
-        Rest_types_may_only_be_created_from_object_types: { code: 2700, category: ts.DiagnosticCategory.Error, key: "Rest_types_may_only_be_created_from_object_types_2700", message: "Rest types may only be created from object types." },
-        The_target_of_an_object_rest_assignment_must_be_a_variable_or_a_property_access: { code: 2701, category: ts.DiagnosticCategory.Error, key: "The_target_of_an_object_rest_assignment_must_be_a_variable_or_a_property_access_2701", message: "The target of an object rest assignment must be a variable or a property access." },
-        _0_only_refers_to_a_type_but_is_being_used_as_a_namespace_here: { code: 2702, category: ts.DiagnosticCategory.Error, key: "_0_only_refers_to_a_type_but_is_being_used_as_a_namespace_here_2702", message: "'{0}' only refers to a type, but is being used as a namespace here." },
-        The_operand_of_a_delete_operator_must_be_a_property_reference: { code: 2703, category: ts.DiagnosticCategory.Error, key: "The_operand_of_a_delete_operator_must_be_a_property_reference_2703", message: "The operand of a delete operator must be a property reference." },
-        The_operand_of_a_delete_operator_cannot_be_a_read_only_property: { code: 2704, category: ts.DiagnosticCategory.Error, key: "The_operand_of_a_delete_operator_cannot_be_a_read_only_property_2704", message: "The operand of a delete operator cannot be a read-only property." },
-        An_async_function_or_method_in_ES5_SlashES3_requires_the_Promise_constructor_Make_sure_you_have_a_declaration_for_the_Promise_constructor_or_include_ES2015_in_your_lib_option: { code: 2705, category: ts.DiagnosticCategory.Error, key: "An_async_function_or_method_in_ES5_SlashES3_requires_the_Promise_constructor_Make_sure_you_have_a_de_2705", message: "An async function or method in ES5/ES3 requires the 'Promise' constructor.  Make sure you have a declaration for the 'Promise' constructor or include 'ES2015' in your `--lib` option." },
-        Required_type_parameters_may_not_follow_optional_type_parameters: { code: 2706, category: ts.DiagnosticCategory.Error, key: "Required_type_parameters_may_not_follow_optional_type_parameters_2706", message: "Required type parameters may not follow optional type parameters." },
-        Generic_type_0_requires_between_1_and_2_type_arguments: { code: 2707, category: ts.DiagnosticCategory.Error, key: "Generic_type_0_requires_between_1_and_2_type_arguments_2707", message: "Generic type '{0}' requires between {1} and {2} type arguments." },
-        Cannot_use_namespace_0_as_a_value: { code: 2708, category: ts.DiagnosticCategory.Error, key: "Cannot_use_namespace_0_as_a_value_2708", message: "Cannot use namespace '{0}' as a value." },
-        Cannot_use_namespace_0_as_a_type: { code: 2709, category: ts.DiagnosticCategory.Error, key: "Cannot_use_namespace_0_as_a_type_2709", message: "Cannot use namespace '{0}' as a type." },
-        _0_are_specified_twice_The_attribute_named_0_will_be_overwritten: { code: 2710, category: ts.DiagnosticCategory.Error, key: "_0_are_specified_twice_The_attribute_named_0_will_be_overwritten_2710", message: "'{0}' are specified twice. The attribute named '{0}' will be overwritten." },
-        A_dynamic_import_call_returns_a_Promise_Make_sure_you_have_a_declaration_for_Promise_or_include_ES2015_in_your_lib_option: { code: 2711, category: ts.DiagnosticCategory.Error, key: "A_dynamic_import_call_returns_a_Promise_Make_sure_you_have_a_declaration_for_Promise_or_include_ES20_2711", message: "A dynamic import call returns a 'Promise'. Make sure you have a declaration for 'Promise' or include 'ES2015' in your `--lib` option." },
-        A_dynamic_import_call_in_ES5_SlashES3_requires_the_Promise_constructor_Make_sure_you_have_a_declaration_for_the_Promise_constructor_or_include_ES2015_in_your_lib_option: { code: 2712, category: ts.DiagnosticCategory.Error, key: "A_dynamic_import_call_in_ES5_SlashES3_requires_the_Promise_constructor_Make_sure_you_have_a_declarat_2712", message: "A dynamic import call in ES5/ES3 requires the 'Promise' constructor.  Make sure you have a declaration for the 'Promise' constructor or include 'ES2015' in your `--lib` option." },
-        Import_declaration_0_is_using_private_name_1: { code: 4000, category: ts.DiagnosticCategory.Error, key: "Import_declaration_0_is_using_private_name_1_4000", message: "Import declaration '{0}' is using private name '{1}'." },
-        Type_parameter_0_of_exported_class_has_or_is_using_private_name_1: { code: 4002, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_exported_class_has_or_is_using_private_name_1_4002", message: "Type parameter '{0}' of exported class has or is using private name '{1}'." },
-        Type_parameter_0_of_exported_interface_has_or_is_using_private_name_1: { code: 4004, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_exported_interface_has_or_is_using_private_name_1_4004", message: "Type parameter '{0}' of exported interface has or is using private name '{1}'." },
-        Type_parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1: { code: 4006, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1_4006", message: "Type parameter '{0}' of constructor signature from exported interface has or is using private name '{1}'." },
-        Type_parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1: { code: 4008, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1_4008", message: "Type parameter '{0}' of call signature from exported interface has or is using private name '{1}'." },
-        Type_parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1: { code: 4010, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1_4010", message: "Type parameter '{0}' of public static method from exported class has or is using private name '{1}'." },
-        Type_parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1: { code: 4012, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1_4012", message: "Type parameter '{0}' of public method from exported class has or is using private name '{1}'." },
-        Type_parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1: { code: 4014, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1_4014", message: "Type parameter '{0}' of method from exported interface has or is using private name '{1}'." },
-        Type_parameter_0_of_exported_function_has_or_is_using_private_name_1: { code: 4016, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_exported_function_has_or_is_using_private_name_1_4016", message: "Type parameter '{0}' of exported function has or is using private name '{1}'." },
-        Implements_clause_of_exported_class_0_has_or_is_using_private_name_1: { code: 4019, category: ts.DiagnosticCategory.Error, key: "Implements_clause_of_exported_class_0_has_or_is_using_private_name_1_4019", message: "Implements clause of exported class '{0}' has or is using private name '{1}'." },
-        extends_clause_of_exported_class_0_has_or_is_using_private_name_1: { code: 4020, category: ts.DiagnosticCategory.Error, key: "extends_clause_of_exported_class_0_has_or_is_using_private_name_1_4020", message: "'extends' clause of exported class '{0}' has or is using private name '{1}'." },
-        extends_clause_of_exported_interface_0_has_or_is_using_private_name_1: { code: 4022, category: ts.DiagnosticCategory.Error, key: "extends_clause_of_exported_interface_0_has_or_is_using_private_name_1_4022", message: "'extends' clause of exported interface '{0}' has or is using private name '{1}'." },
-        Exported_variable_0_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { code: 4023, category: ts.DiagnosticCategory.Error, key: "Exported_variable_0_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named_4023", message: "Exported variable '{0}' has or is using name '{1}' from external module {2} but cannot be named." },
-        Exported_variable_0_has_or_is_using_name_1_from_private_module_2: { code: 4024, category: ts.DiagnosticCategory.Error, key: "Exported_variable_0_has_or_is_using_name_1_from_private_module_2_4024", message: "Exported variable '{0}' has or is using name '{1}' from private module '{2}'." },
-        Exported_variable_0_has_or_is_using_private_name_1: { code: 4025, category: ts.DiagnosticCategory.Error, key: "Exported_variable_0_has_or_is_using_private_name_1_4025", message: "Exported variable '{0}' has or is using private name '{1}'." },
-        Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { code: 4026, category: ts.DiagnosticCategory.Error, key: "Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot__4026", message: "Public static property '{0}' of exported class has or is using name '{1}' from external module {2} but cannot be named." },
-        Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2: { code: 4027, category: ts.DiagnosticCategory.Error, key: "Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2_4027", message: "Public static property '{0}' of exported class has or is using name '{1}' from private module '{2}'." },
-        Public_static_property_0_of_exported_class_has_or_is_using_private_name_1: { code: 4028, category: ts.DiagnosticCategory.Error, key: "Public_static_property_0_of_exported_class_has_or_is_using_private_name_1_4028", message: "Public static property '{0}' of exported class has or is using private name '{1}'." },
-        Public_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { code: 4029, category: ts.DiagnosticCategory.Error, key: "Public_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_name_4029", message: "Public property '{0}' of exported class has or is using name '{1}' from external module {2} but cannot be named." },
-        Public_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2: { code: 4030, category: ts.DiagnosticCategory.Error, key: "Public_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2_4030", message: "Public property '{0}' of exported class has or is using name '{1}' from private module '{2}'." },
-        Public_property_0_of_exported_class_has_or_is_using_private_name_1: { code: 4031, category: ts.DiagnosticCategory.Error, key: "Public_property_0_of_exported_class_has_or_is_using_private_name_1_4031", message: "Public property '{0}' of exported class has or is using private name '{1}'." },
-        Property_0_of_exported_interface_has_or_is_using_name_1_from_private_module_2: { code: 4032, category: ts.DiagnosticCategory.Error, key: "Property_0_of_exported_interface_has_or_is_using_name_1_from_private_module_2_4032", message: "Property '{0}' of exported interface has or is using name '{1}' from private module '{2}'." },
-        Property_0_of_exported_interface_has_or_is_using_private_name_1: { code: 4033, category: ts.DiagnosticCategory.Error, key: "Property_0_of_exported_interface_has_or_is_using_private_name_1_4033", message: "Property '{0}' of exported interface has or is using private name '{1}'." },
-        Parameter_0_of_public_static_property_setter_from_exported_class_has_or_is_using_name_1_from_private_module_2: { code: 4034, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_static_property_setter_from_exported_class_has_or_is_using_name_1_from_private_4034", message: "Parameter '{0}' of public static property setter from exported class has or is using name '{1}' from private module '{2}'." },
-        Parameter_0_of_public_static_property_setter_from_exported_class_has_or_is_using_private_name_1: { code: 4035, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_static_property_setter_from_exported_class_has_or_is_using_private_name_1_4035", message: "Parameter '{0}' of public static property setter from exported class has or is using private name '{1}'." },
-        Parameter_0_of_public_property_setter_from_exported_class_has_or_is_using_name_1_from_private_module_2: { code: 4036, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_property_setter_from_exported_class_has_or_is_using_name_1_from_private_module_4036", message: "Parameter '{0}' of public property setter from exported class has or is using name '{1}' from private module '{2}'." },
-        Parameter_0_of_public_property_setter_from_exported_class_has_or_is_using_private_name_1: { code: 4037, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_property_setter_from_exported_class_has_or_is_using_private_name_1_4037", message: "Parameter '{0}' of public property setter from exported class has or is using private name '{1}'." },
-        Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named: { code: 4038, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_name_0_from_externa_4038", message: "Return type of public static property getter from exported class has or is using name '{0}' from external module {1} but cannot be named." },
-        Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_name_0_from_private_module_1: { code: 4039, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_name_0_from_private_4039", message: "Return type of public static property getter from exported class has or is using name '{0}' from private module '{1}'." },
-        Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_private_name_0: { code: 4040, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_private_name_0_4040", message: "Return type of public static property getter from exported class has or is using private name '{0}'." },
-        Return_type_of_public_property_getter_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named: { code: 4041, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_property_getter_from_exported_class_has_or_is_using_name_0_from_external_modul_4041", message: "Return type of public property getter from exported class has or is using name '{0}' from external module {1} but cannot be named." },
-        Return_type_of_public_property_getter_from_exported_class_has_or_is_using_name_0_from_private_module_1: { code: 4042, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_property_getter_from_exported_class_has_or_is_using_name_0_from_private_module_4042", message: "Return type of public property getter from exported class has or is using name '{0}' from private module '{1}'." },
-        Return_type_of_public_property_getter_from_exported_class_has_or_is_using_private_name_0: { code: 4043, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_property_getter_from_exported_class_has_or_is_using_private_name_0_4043", message: "Return type of public property getter from exported class has or is using private name '{0}'." },
-        Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1: { code: 4044, category: ts.DiagnosticCategory.Error, key: "Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_name_0_from_private_mod_4044", message: "Return type of constructor signature from exported interface has or is using name '{0}' from private module '{1}'." },
-        Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_0: { code: 4045, category: ts.DiagnosticCategory.Error, key: "Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_0_4045", message: "Return type of constructor signature from exported interface has or is using private name '{0}'." },
-        Return_type_of_call_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1: { code: 4046, category: ts.DiagnosticCategory.Error, key: "Return_type_of_call_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1_4046", message: "Return type of call signature from exported interface has or is using name '{0}' from private module '{1}'." },
-        Return_type_of_call_signature_from_exported_interface_has_or_is_using_private_name_0: { code: 4047, category: ts.DiagnosticCategory.Error, key: "Return_type_of_call_signature_from_exported_interface_has_or_is_using_private_name_0_4047", message: "Return type of call signature from exported interface has or is using private name '{0}'." },
-        Return_type_of_index_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1: { code: 4048, category: ts.DiagnosticCategory.Error, key: "Return_type_of_index_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1_4048", message: "Return type of index signature from exported interface has or is using name '{0}' from private module '{1}'." },
-        Return_type_of_index_signature_from_exported_interface_has_or_is_using_private_name_0: { code: 4049, category: ts.DiagnosticCategory.Error, key: "Return_type_of_index_signature_from_exported_interface_has_or_is_using_private_name_0_4049", message: "Return type of index signature from exported interface has or is using private name '{0}'." },
-        Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named: { code: 4050, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_external_module__4050", message: "Return type of public static method from exported class has or is using name '{0}' from external module {1} but cannot be named." },
-        Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_private_module_1: { code: 4051, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_private_module_1_4051", message: "Return type of public static method from exported class has or is using name '{0}' from private module '{1}'." },
-        Return_type_of_public_static_method_from_exported_class_has_or_is_using_private_name_0: { code: 4052, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_static_method_from_exported_class_has_or_is_using_private_name_0_4052", message: "Return type of public static method from exported class has or is using private name '{0}'." },
-        Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named: { code: 4053, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_c_4053", message: "Return type of public method from exported class has or is using name '{0}' from external module {1} but cannot be named." },
-        Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_private_module_1: { code: 4054, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_private_module_1_4054", message: "Return type of public method from exported class has or is using name '{0}' from private module '{1}'." },
-        Return_type_of_public_method_from_exported_class_has_or_is_using_private_name_0: { code: 4055, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_method_from_exported_class_has_or_is_using_private_name_0_4055", message: "Return type of public method from exported class has or is using private name '{0}'." },
-        Return_type_of_method_from_exported_interface_has_or_is_using_name_0_from_private_module_1: { code: 4056, category: ts.DiagnosticCategory.Error, key: "Return_type_of_method_from_exported_interface_has_or_is_using_name_0_from_private_module_1_4056", message: "Return type of method from exported interface has or is using name '{0}' from private module '{1}'." },
-        Return_type_of_method_from_exported_interface_has_or_is_using_private_name_0: { code: 4057, category: ts.DiagnosticCategory.Error, key: "Return_type_of_method_from_exported_interface_has_or_is_using_private_name_0_4057", message: "Return type of method from exported interface has or is using private name '{0}'." },
-        Return_type_of_exported_function_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named: { code: 4058, category: ts.DiagnosticCategory.Error, key: "Return_type_of_exported_function_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named_4058", message: "Return type of exported function has or is using name '{0}' from external module {1} but cannot be named." },
-        Return_type_of_exported_function_has_or_is_using_name_0_from_private_module_1: { code: 4059, category: ts.DiagnosticCategory.Error, key: "Return_type_of_exported_function_has_or_is_using_name_0_from_private_module_1_4059", message: "Return type of exported function has or is using name '{0}' from private module '{1}'." },
-        Return_type_of_exported_function_has_or_is_using_private_name_0: { code: 4060, category: ts.DiagnosticCategory.Error, key: "Return_type_of_exported_function_has_or_is_using_private_name_0_4060", message: "Return type of exported function has or is using private name '{0}'." },
-        Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { code: 4061, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_can_4061", message: "Parameter '{0}' of constructor from exported class has or is using name '{1}' from external module {2} but cannot be named." },
-        Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_private_module_2: { code: 4062, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_private_module_2_4062", message: "Parameter '{0}' of constructor from exported class has or is using name '{1}' from private module '{2}'." },
-        Parameter_0_of_constructor_from_exported_class_has_or_is_using_private_name_1: { code: 4063, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_constructor_from_exported_class_has_or_is_using_private_name_1_4063", message: "Parameter '{0}' of constructor from exported class has or is using private name '{1}'." },
-        Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2: { code: 4064, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_name_1_from_private_mod_4064", message: "Parameter '{0}' of constructor signature from exported interface has or is using name '{1}' from private module '{2}'." },
-        Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1: { code: 4065, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1_4065", message: "Parameter '{0}' of constructor signature from exported interface has or is using private name '{1}'." },
-        Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2: { code: 4066, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2_4066", message: "Parameter '{0}' of call signature from exported interface has or is using name '{1}' from private module '{2}'." },
-        Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1: { code: 4067, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1_4067", message: "Parameter '{0}' of call signature from exported interface has or is using private name '{1}'." },
-        Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { code: 4068, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_external_module__4068", message: "Parameter '{0}' of public static method from exported class has or is using name '{1}' from external module {2} but cannot be named." },
-        Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_private_module_2: { code: 4069, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_private_module_2_4069", message: "Parameter '{0}' of public static method from exported class has or is using name '{1}' from private module '{2}'." },
-        Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1: { code: 4070, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1_4070", message: "Parameter '{0}' of public static method from exported class has or is using private name '{1}'." },
-        Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { code: 4071, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_c_4071", message: "Parameter '{0}' of public method from exported class has or is using name '{1}' from external module {2} but cannot be named." },
-        Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_private_module_2: { code: 4072, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_private_module_2_4072", message: "Parameter '{0}' of public method from exported class has or is using name '{1}' from private module '{2}'." },
-        Parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1: { code: 4073, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1_4073", message: "Parameter '{0}' of public method from exported class has or is using private name '{1}'." },
-        Parameter_0_of_method_from_exported_interface_has_or_is_using_name_1_from_private_module_2: { code: 4074, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_method_from_exported_interface_has_or_is_using_name_1_from_private_module_2_4074", message: "Parameter '{0}' of method from exported interface has or is using name '{1}' from private module '{2}'." },
-        Parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1: { code: 4075, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1_4075", message: "Parameter '{0}' of method from exported interface has or is using private name '{1}'." },
-        Parameter_0_of_exported_function_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { code: 4076, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_exported_function_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named_4076", message: "Parameter '{0}' of exported function has or is using name '{1}' from external module {2} but cannot be named." },
-        Parameter_0_of_exported_function_has_or_is_using_name_1_from_private_module_2: { code: 4077, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_exported_function_has_or_is_using_name_1_from_private_module_2_4077", message: "Parameter '{0}' of exported function has or is using name '{1}' from private module '{2}'." },
-        Parameter_0_of_exported_function_has_or_is_using_private_name_1: { code: 4078, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_exported_function_has_or_is_using_private_name_1_4078", message: "Parameter '{0}' of exported function has or is using private name '{1}'." },
-        Exported_type_alias_0_has_or_is_using_private_name_1: { code: 4081, category: ts.DiagnosticCategory.Error, key: "Exported_type_alias_0_has_or_is_using_private_name_1_4081", message: "Exported type alias '{0}' has or is using private name '{1}'." },
-        Default_export_of_the_module_has_or_is_using_private_name_0: { code: 4082, category: ts.DiagnosticCategory.Error, key: "Default_export_of_the_module_has_or_is_using_private_name_0_4082", message: "Default export of the module has or is using private name '{0}'." },
-        Type_parameter_0_of_exported_type_alias_has_or_is_using_private_name_1: { code: 4083, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_exported_type_alias_has_or_is_using_private_name_1_4083", message: "Type parameter '{0}' of exported type alias has or is using private name '{1}'." },
-        Conflicting_definitions_for_0_found_at_1_and_2_Consider_installing_a_specific_version_of_this_library_to_resolve_the_conflict: { code: 4090, category: ts.DiagnosticCategory.Message, key: "Conflicting_definitions_for_0_found_at_1_and_2_Consider_installing_a_specific_version_of_this_librar_4090", message: "Conflicting definitions for '{0}' found at '{1}' and '{2}'. Consider installing a specific version of this library to resolve the conflict." },
-        Parameter_0_of_index_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2: { code: 4091, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_index_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2_4091", message: "Parameter '{0}' of index signature from exported interface has or is using name '{1}' from private module '{2}'." },
-        Parameter_0_of_index_signature_from_exported_interface_has_or_is_using_private_name_1: { code: 4092, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_index_signature_from_exported_interface_has_or_is_using_private_name_1_4092", message: "Parameter '{0}' of index signature from exported interface has or is using private name '{1}'." },
-        Property_0_of_exported_class_expression_may_not_be_private_or_protected: { code: 4094, category: ts.DiagnosticCategory.Error, key: "Property_0_of_exported_class_expression_may_not_be_private_or_protected_4094", message: "Property '{0}' of exported class expression may not be private or protected." },
-        The_current_host_does_not_support_the_0_option: { code: 5001, category: ts.DiagnosticCategory.Error, key: "The_current_host_does_not_support_the_0_option_5001", message: "The current host does not support the '{0}' option." },
-        Cannot_find_the_common_subdirectory_path_for_the_input_files: { code: 5009, category: ts.DiagnosticCategory.Error, key: "Cannot_find_the_common_subdirectory_path_for_the_input_files_5009", message: "Cannot find the common subdirectory path for the input files." },
-        File_specification_cannot_end_in_a_recursive_directory_wildcard_Asterisk_Asterisk_Colon_0: { code: 5010, category: ts.DiagnosticCategory.Error, key: "File_specification_cannot_end_in_a_recursive_directory_wildcard_Asterisk_Asterisk_Colon_0_5010", message: "File specification cannot end in a recursive directory wildcard ('**'): '{0}'." },
-        File_specification_cannot_contain_multiple_recursive_directory_wildcards_Asterisk_Asterisk_Colon_0: { code: 5011, category: ts.DiagnosticCategory.Error, key: "File_specification_cannot_contain_multiple_recursive_directory_wildcards_Asterisk_Asterisk_Colon_0_5011", message: "File specification cannot contain multiple recursive directory wildcards ('**'): '{0}'." },
-        Cannot_read_file_0_Colon_1: { code: 5012, category: ts.DiagnosticCategory.Error, key: "Cannot_read_file_0_Colon_1_5012", message: "Cannot read file '{0}': {1}." },
-        Failed_to_parse_file_0_Colon_1: { code: 5014, category: ts.DiagnosticCategory.Error, key: "Failed_to_parse_file_0_Colon_1_5014", message: "Failed to parse file '{0}': {1}." },
-        Unknown_compiler_option_0: { code: 5023, category: ts.DiagnosticCategory.Error, key: "Unknown_compiler_option_0_5023", message: "Unknown compiler option '{0}'." },
-        Compiler_option_0_requires_a_value_of_type_1: { code: 5024, category: ts.DiagnosticCategory.Error, key: "Compiler_option_0_requires_a_value_of_type_1_5024", message: "Compiler option '{0}' requires a value of type {1}." },
-        Could_not_write_file_0_Colon_1: { code: 5033, category: ts.DiagnosticCategory.Error, key: "Could_not_write_file_0_Colon_1_5033", message: "Could not write file '{0}': {1}." },
-        Option_project_cannot_be_mixed_with_source_files_on_a_command_line: { code: 5042, category: ts.DiagnosticCategory.Error, key: "Option_project_cannot_be_mixed_with_source_files_on_a_command_line_5042", message: "Option 'project' cannot be mixed with source files on a command line." },
-        Option_isolatedModules_can_only_be_used_when_either_option_module_is_provided_or_option_target_is_ES2015_or_higher: { code: 5047, category: ts.DiagnosticCategory.Error, key: "Option_isolatedModules_can_only_be_used_when_either_option_module_is_provided_or_option_target_is_ES_5047", message: "Option 'isolatedModules' can only be used when either option '--module' is provided or option 'target' is 'ES2015' or higher." },
-        Option_0_can_only_be_used_when_either_option_inlineSourceMap_or_option_sourceMap_is_provided: { code: 5051, category: ts.DiagnosticCategory.Error, key: "Option_0_can_only_be_used_when_either_option_inlineSourceMap_or_option_sourceMap_is_provided_5051", message: "Option '{0} can only be used when either option '--inlineSourceMap' or option '--sourceMap' is provided." },
-        Option_0_cannot_be_specified_without_specifying_option_1: { code: 5052, category: ts.DiagnosticCategory.Error, key: "Option_0_cannot_be_specified_without_specifying_option_1_5052", message: "Option '{0}' cannot be specified without specifying option '{1}'." },
-        Option_0_cannot_be_specified_with_option_1: { code: 5053, category: ts.DiagnosticCategory.Error, key: "Option_0_cannot_be_specified_with_option_1_5053", message: "Option '{0}' cannot be specified with option '{1}'." },
-        A_tsconfig_json_file_is_already_defined_at_Colon_0: { code: 5054, category: ts.DiagnosticCategory.Error, key: "A_tsconfig_json_file_is_already_defined_at_Colon_0_5054", message: "A 'tsconfig.json' file is already defined at: '{0}'." },
-        Cannot_write_file_0_because_it_would_overwrite_input_file: { code: 5055, category: ts.DiagnosticCategory.Error, key: "Cannot_write_file_0_because_it_would_overwrite_input_file_5055", message: "Cannot write file '{0}' because it would overwrite input file." },
-        Cannot_write_file_0_because_it_would_be_overwritten_by_multiple_input_files: { code: 5056, category: ts.DiagnosticCategory.Error, key: "Cannot_write_file_0_because_it_would_be_overwritten_by_multiple_input_files_5056", message: "Cannot write file '{0}' because it would be overwritten by multiple input files." },
-        Cannot_find_a_tsconfig_json_file_at_the_specified_directory_Colon_0: { code: 5057, category: ts.DiagnosticCategory.Error, key: "Cannot_find_a_tsconfig_json_file_at_the_specified_directory_Colon_0_5057", message: "Cannot find a tsconfig.json file at the specified directory: '{0}'." },
-        The_specified_path_does_not_exist_Colon_0: { code: 5058, category: ts.DiagnosticCategory.Error, key: "The_specified_path_does_not_exist_Colon_0_5058", message: "The specified path does not exist: '{0}'." },
-        Invalid_value_for_reactNamespace_0_is_not_a_valid_identifier: { code: 5059, category: ts.DiagnosticCategory.Error, key: "Invalid_value_for_reactNamespace_0_is_not_a_valid_identifier_5059", message: "Invalid value for '--reactNamespace'. '{0}' is not a valid identifier." },
-        Option_paths_cannot_be_used_without_specifying_baseUrl_option: { code: 5060, category: ts.DiagnosticCategory.Error, key: "Option_paths_cannot_be_used_without_specifying_baseUrl_option_5060", message: "Option 'paths' cannot be used without specifying '--baseUrl' option." },
-        Pattern_0_can_have_at_most_one_Asterisk_character: { code: 5061, category: ts.DiagnosticCategory.Error, key: "Pattern_0_can_have_at_most_one_Asterisk_character_5061", message: "Pattern '{0}' can have at most one '*' character." },
-        Substitution_0_in_pattern_1_in_can_have_at_most_one_Asterisk_character: { code: 5062, category: ts.DiagnosticCategory.Error, key: "Substitution_0_in_pattern_1_in_can_have_at_most_one_Asterisk_character_5062", message: "Substitution '{0}' in pattern '{1}' in can have at most one '*' character." },
-        Substitutions_for_pattern_0_should_be_an_array: { code: 5063, category: ts.DiagnosticCategory.Error, key: "Substitutions_for_pattern_0_should_be_an_array_5063", message: "Substitutions for pattern '{0}' should be an array." },
-        Substitution_0_for_pattern_1_has_incorrect_type_expected_string_got_2: { code: 5064, category: ts.DiagnosticCategory.Error, key: "Substitution_0_for_pattern_1_has_incorrect_type_expected_string_got_2_5064", message: "Substitution '{0}' for pattern '{1}' has incorrect type, expected 'string', got '{2}'." },
-        File_specification_cannot_contain_a_parent_directory_that_appears_after_a_recursive_directory_wildcard_Asterisk_Asterisk_Colon_0: { code: 5065, category: ts.DiagnosticCategory.Error, key: "File_specification_cannot_contain_a_parent_directory_that_appears_after_a_recursive_directory_wildca_5065", message: "File specification cannot contain a parent directory ('..') that appears after a recursive directory wildcard ('**'): '{0}'." },
-        Substitutions_for_pattern_0_shouldn_t_be_an_empty_array: { code: 5066, category: ts.DiagnosticCategory.Error, key: "Substitutions_for_pattern_0_shouldn_t_be_an_empty_array_5066", message: "Substitutions for pattern '{0}' shouldn't be an empty array." },
-        Invalid_value_for_jsxFactory_0_is_not_a_valid_identifier_or_qualified_name: { code: 5067, category: ts.DiagnosticCategory.Error, key: "Invalid_value_for_jsxFactory_0_is_not_a_valid_identifier_or_qualified_name_5067", message: "Invalid value for 'jsxFactory'. '{0}' is not a valid identifier or qualified-name." },
-        Concatenate_and_emit_output_to_single_file: { code: 6001, category: ts.DiagnosticCategory.Message, key: "Concatenate_and_emit_output_to_single_file_6001", message: "Concatenate and emit output to single file." },
-        Generates_corresponding_d_ts_file: { code: 6002, category: ts.DiagnosticCategory.Message, key: "Generates_corresponding_d_ts_file_6002", message: "Generates corresponding '.d.ts' file." },
-        Specify_the_location_where_debugger_should_locate_map_files_instead_of_generated_locations: { code: 6003, category: ts.DiagnosticCategory.Message, key: "Specify_the_location_where_debugger_should_locate_map_files_instead_of_generated_locations_6003", message: "Specify the location where debugger should locate map files instead of generated locations." },
-        Specify_the_location_where_debugger_should_locate_TypeScript_files_instead_of_source_locations: { code: 6004, category: ts.DiagnosticCategory.Message, key: "Specify_the_location_where_debugger_should_locate_TypeScript_files_instead_of_source_locations_6004", message: "Specify the location where debugger should locate TypeScript files instead of source locations." },
-        Watch_input_files: { code: 6005, category: ts.DiagnosticCategory.Message, key: "Watch_input_files_6005", message: "Watch input files." },
-        Redirect_output_structure_to_the_directory: { code: 6006, category: ts.DiagnosticCategory.Message, key: "Redirect_output_structure_to_the_directory_6006", message: "Redirect output structure to the directory." },
-        Do_not_erase_const_enum_declarations_in_generated_code: { code: 6007, category: ts.DiagnosticCategory.Message, key: "Do_not_erase_const_enum_declarations_in_generated_code_6007", message: "Do not erase const enum declarations in generated code." },
-        Do_not_emit_outputs_if_any_errors_were_reported: { code: 6008, category: ts.DiagnosticCategory.Message, key: "Do_not_emit_outputs_if_any_errors_were_reported_6008", message: "Do not emit outputs if any errors were reported." },
-        Do_not_emit_comments_to_output: { code: 6009, category: ts.DiagnosticCategory.Message, key: "Do_not_emit_comments_to_output_6009", message: "Do not emit comments to output." },
-        Do_not_emit_outputs: { code: 6010, category: ts.DiagnosticCategory.Message, key: "Do_not_emit_outputs_6010", message: "Do not emit outputs." },
-        Allow_default_imports_from_modules_with_no_default_export_This_does_not_affect_code_emit_just_typechecking: { code: 6011, category: ts.DiagnosticCategory.Message, key: "Allow_default_imports_from_modules_with_no_default_export_This_does_not_affect_code_emit_just_typech_6011", message: "Allow default imports from modules with no default export. This does not affect code emit, just typechecking." },
-        Skip_type_checking_of_declaration_files: { code: 6012, category: ts.DiagnosticCategory.Message, key: "Skip_type_checking_of_declaration_files_6012", message: "Skip type checking of declaration files." },
-        Specify_ECMAScript_target_version_Colon_ES3_default_ES5_ES2015_ES2016_ES2017_or_ESNEXT: { code: 6015, category: ts.DiagnosticCategory.Message, key: "Specify_ECMAScript_target_version_Colon_ES3_default_ES5_ES2015_ES2016_ES2017_or_ESNEXT_6015", message: "Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', or 'ESNEXT'." },
-        Specify_module_code_generation_Colon_commonjs_amd_system_umd_es2015_or_ESNext: { code: 6016, category: ts.DiagnosticCategory.Message, key: "Specify_module_code_generation_Colon_commonjs_amd_system_umd_es2015_or_ESNext_6016", message: "Specify module code generation: 'commonjs', 'amd', 'system', 'umd', 'es2015', or 'ESNext'." },
-        Print_this_message: { code: 6017, category: ts.DiagnosticCategory.Message, key: "Print_this_message_6017", message: "Print this message." },
-        Print_the_compiler_s_version: { code: 6019, category: ts.DiagnosticCategory.Message, key: "Print_the_compiler_s_version_6019", message: "Print the compiler's version." },
-        Compile_the_project_given_the_path_to_its_configuration_file_or_to_a_folder_with_a_tsconfig_json: { code: 6020, category: ts.DiagnosticCategory.Message, key: "Compile_the_project_given_the_path_to_its_configuration_file_or_to_a_folder_with_a_tsconfig_json_6020", message: "Compile the project given the path to its configuration file, or to a folder with a 'tsconfig.json'." },
-        Syntax_Colon_0: { code: 6023, category: ts.DiagnosticCategory.Message, key: "Syntax_Colon_0_6023", message: "Syntax: {0}" },
-        options: { code: 6024, category: ts.DiagnosticCategory.Message, key: "options_6024", message: "options" },
-        file: { code: 6025, category: ts.DiagnosticCategory.Message, key: "file_6025", message: "file" },
-        Examples_Colon_0: { code: 6026, category: ts.DiagnosticCategory.Message, key: "Examples_Colon_0_6026", message: "Examples: {0}" },
-        Options_Colon: { code: 6027, category: ts.DiagnosticCategory.Message, key: "Options_Colon_6027", message: "Options:" },
-        Version_0: { code: 6029, category: ts.DiagnosticCategory.Message, key: "Version_0_6029", message: "Version {0}" },
-        Insert_command_line_options_and_files_from_a_file: { code: 6030, category: ts.DiagnosticCategory.Message, key: "Insert_command_line_options_and_files_from_a_file_6030", message: "Insert command line options and files from a file." },
-        File_change_detected_Starting_incremental_compilation: { code: 6032, category: ts.DiagnosticCategory.Message, key: "File_change_detected_Starting_incremental_compilation_6032", message: "File change detected. Starting incremental compilation..." },
-        KIND: { code: 6034, category: ts.DiagnosticCategory.Message, key: "KIND_6034", message: "KIND" },
-        FILE: { code: 6035, category: ts.DiagnosticCategory.Message, key: "FILE_6035", message: "FILE" },
-        VERSION: { code: 6036, category: ts.DiagnosticCategory.Message, key: "VERSION_6036", message: "VERSION" },
-        LOCATION: { code: 6037, category: ts.DiagnosticCategory.Message, key: "LOCATION_6037", message: "LOCATION" },
-        DIRECTORY: { code: 6038, category: ts.DiagnosticCategory.Message, key: "DIRECTORY_6038", message: "DIRECTORY" },
-        STRATEGY: { code: 6039, category: ts.DiagnosticCategory.Message, key: "STRATEGY_6039", message: "STRATEGY" },
-        FILE_OR_DIRECTORY: { code: 6040, category: ts.DiagnosticCategory.Message, key: "FILE_OR_DIRECTORY_6040", message: "FILE OR DIRECTORY" },
-        Compilation_complete_Watching_for_file_changes: { code: 6042, category: ts.DiagnosticCategory.Message, key: "Compilation_complete_Watching_for_file_changes_6042", message: "Compilation complete. Watching for file changes." },
-        Generates_corresponding_map_file: { code: 6043, category: ts.DiagnosticCategory.Message, key: "Generates_corresponding_map_file_6043", message: "Generates corresponding '.map' file." },
-        Compiler_option_0_expects_an_argument: { code: 6044, category: ts.DiagnosticCategory.Error, key: "Compiler_option_0_expects_an_argument_6044", message: "Compiler option '{0}' expects an argument." },
-        Unterminated_quoted_string_in_response_file_0: { code: 6045, category: ts.DiagnosticCategory.Error, key: "Unterminated_quoted_string_in_response_file_0_6045", message: "Unterminated quoted string in response file '{0}'." },
-        Argument_for_0_option_must_be_Colon_1: { code: 6046, category: ts.DiagnosticCategory.Error, key: "Argument_for_0_option_must_be_Colon_1_6046", message: "Argument for '{0}' option must be: {1}." },
-        Locale_must_be_of_the_form_language_or_language_territory_For_example_0_or_1: { code: 6048, category: ts.DiagnosticCategory.Error, key: "Locale_must_be_of_the_form_language_or_language_territory_For_example_0_or_1_6048", message: "Locale must be of the form <language> or <language>-<territory>. For example '{0}' or '{1}'." },
-        Unsupported_locale_0: { code: 6049, category: ts.DiagnosticCategory.Error, key: "Unsupported_locale_0_6049", message: "Unsupported locale '{0}'." },
-        Unable_to_open_file_0: { code: 6050, category: ts.DiagnosticCategory.Error, key: "Unable_to_open_file_0_6050", message: "Unable to open file '{0}'." },
-        Corrupted_locale_file_0: { code: 6051, category: ts.DiagnosticCategory.Error, key: "Corrupted_locale_file_0_6051", message: "Corrupted locale file {0}." },
-        Raise_error_on_expressions_and_declarations_with_an_implied_any_type: { code: 6052, category: ts.DiagnosticCategory.Message, key: "Raise_error_on_expressions_and_declarations_with_an_implied_any_type_6052", message: "Raise error on expressions and declarations with an implied 'any' type." },
-        File_0_not_found: { code: 6053, category: ts.DiagnosticCategory.Error, key: "File_0_not_found_6053", message: "File '{0}' not found." },
-        File_0_has_unsupported_extension_The_only_supported_extensions_are_1: { code: 6054, category: ts.DiagnosticCategory.Error, key: "File_0_has_unsupported_extension_The_only_supported_extensions_are_1_6054", message: "File '{0}' has unsupported extension. The only supported extensions are {1}." },
-        Suppress_noImplicitAny_errors_for_indexing_objects_lacking_index_signatures: { code: 6055, category: ts.DiagnosticCategory.Message, key: "Suppress_noImplicitAny_errors_for_indexing_objects_lacking_index_signatures_6055", message: "Suppress noImplicitAny errors for indexing objects lacking index signatures." },
-        Do_not_emit_declarations_for_code_that_has_an_internal_annotation: { code: 6056, category: ts.DiagnosticCategory.Message, key: "Do_not_emit_declarations_for_code_that_has_an_internal_annotation_6056", message: "Do not emit declarations for code that has an '@internal' annotation." },
-        Specify_the_root_directory_of_input_files_Use_to_control_the_output_directory_structure_with_outDir: { code: 6058, category: ts.DiagnosticCategory.Message, key: "Specify_the_root_directory_of_input_files_Use_to_control_the_output_directory_structure_with_outDir_6058", message: "Specify the root directory of input files. Use to control the output directory structure with --outDir." },
-        File_0_is_not_under_rootDir_1_rootDir_is_expected_to_contain_all_source_files: { code: 6059, category: ts.DiagnosticCategory.Error, key: "File_0_is_not_under_rootDir_1_rootDir_is_expected_to_contain_all_source_files_6059", message: "File '{0}' is not under 'rootDir' '{1}'. 'rootDir' is expected to contain all source files." },
-        Specify_the_end_of_line_sequence_to_be_used_when_emitting_files_Colon_CRLF_dos_or_LF_unix: { code: 6060, category: ts.DiagnosticCategory.Message, key: "Specify_the_end_of_line_sequence_to_be_used_when_emitting_files_Colon_CRLF_dos_or_LF_unix_6060", message: "Specify the end of line sequence to be used when emitting files: 'CRLF' (dos) or 'LF' (unix)." },
-        NEWLINE: { code: 6061, category: ts.DiagnosticCategory.Message, key: "NEWLINE_6061", message: "NEWLINE" },
-        Option_0_can_only_be_specified_in_tsconfig_json_file: { code: 6064, category: ts.DiagnosticCategory.Error, key: "Option_0_can_only_be_specified_in_tsconfig_json_file_6064", message: "Option '{0}' can only be specified in 'tsconfig.json' file." },
-        Enables_experimental_support_for_ES7_decorators: { code: 6065, category: ts.DiagnosticCategory.Message, key: "Enables_experimental_support_for_ES7_decorators_6065", message: "Enables experimental support for ES7 decorators." },
-        Enables_experimental_support_for_emitting_type_metadata_for_decorators: { code: 6066, category: ts.DiagnosticCategory.Message, key: "Enables_experimental_support_for_emitting_type_metadata_for_decorators_6066", message: "Enables experimental support for emitting type metadata for decorators." },
-        Enables_experimental_support_for_ES7_async_functions: { code: 6068, category: ts.DiagnosticCategory.Message, key: "Enables_experimental_support_for_ES7_async_functions_6068", message: "Enables experimental support for ES7 async functions." },
-        Specify_module_resolution_strategy_Colon_node_Node_js_or_classic_TypeScript_pre_1_6: { code: 6069, category: ts.DiagnosticCategory.Message, key: "Specify_module_resolution_strategy_Colon_node_Node_js_or_classic_TypeScript_pre_1_6_6069", message: "Specify module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6)." },
-        Initializes_a_TypeScript_project_and_creates_a_tsconfig_json_file: { code: 6070, category: ts.DiagnosticCategory.Message, key: "Initializes_a_TypeScript_project_and_creates_a_tsconfig_json_file_6070", message: "Initializes a TypeScript project and creates a tsconfig.json file." },
-        Successfully_created_a_tsconfig_json_file: { code: 6071, category: ts.DiagnosticCategory.Message, key: "Successfully_created_a_tsconfig_json_file_6071", message: "Successfully created a tsconfig.json file." },
-        Suppress_excess_property_checks_for_object_literals: { code: 6072, category: ts.DiagnosticCategory.Message, key: "Suppress_excess_property_checks_for_object_literals_6072", message: "Suppress excess property checks for object literals." },
-        Stylize_errors_and_messages_using_color_and_context_experimental: { code: 6073, category: ts.DiagnosticCategory.Message, key: "Stylize_errors_and_messages_using_color_and_context_experimental_6073", message: "Stylize errors and messages using color and context (experimental)." },
-        Do_not_report_errors_on_unused_labels: { code: 6074, category: ts.DiagnosticCategory.Message, key: "Do_not_report_errors_on_unused_labels_6074", message: "Do not report errors on unused labels." },
-        Report_error_when_not_all_code_paths_in_function_return_a_value: { code: 6075, category: ts.DiagnosticCategory.Message, key: "Report_error_when_not_all_code_paths_in_function_return_a_value_6075", message: "Report error when not all code paths in function return a value." },
-        Report_errors_for_fallthrough_cases_in_switch_statement: { code: 6076, category: ts.DiagnosticCategory.Message, key: "Report_errors_for_fallthrough_cases_in_switch_statement_6076", message: "Report errors for fallthrough cases in switch statement." },
-        Do_not_report_errors_on_unreachable_code: { code: 6077, category: ts.DiagnosticCategory.Message, key: "Do_not_report_errors_on_unreachable_code_6077", message: "Do not report errors on unreachable code." },
-        Disallow_inconsistently_cased_references_to_the_same_file: { code: 6078, category: ts.DiagnosticCategory.Message, key: "Disallow_inconsistently_cased_references_to_the_same_file_6078", message: "Disallow inconsistently-cased references to the same file." },
-        Specify_library_files_to_be_included_in_the_compilation_Colon: { code: 6079, category: ts.DiagnosticCategory.Message, key: "Specify_library_files_to_be_included_in_the_compilation_Colon_6079", message: "Specify library files to be included in the compilation: " },
-        Specify_JSX_code_generation_Colon_preserve_react_native_or_react: { code: 6080, category: ts.DiagnosticCategory.Message, key: "Specify_JSX_code_generation_Colon_preserve_react_native_or_react_6080", message: "Specify JSX code generation: 'preserve', 'react-native', or 'react'." },
-        File_0_has_an_unsupported_extension_so_skipping_it: { code: 6081, category: ts.DiagnosticCategory.Message, key: "File_0_has_an_unsupported_extension_so_skipping_it_6081", message: "File '{0}' has an unsupported extension, so skipping it." },
-        Only_amd_and_system_modules_are_supported_alongside_0: { code: 6082, category: ts.DiagnosticCategory.Error, key: "Only_amd_and_system_modules_are_supported_alongside_0_6082", message: "Only 'amd' and 'system' modules are supported alongside --{0}." },
-        Base_directory_to_resolve_non_absolute_module_names: { code: 6083, category: ts.DiagnosticCategory.Message, key: "Base_directory_to_resolve_non_absolute_module_names_6083", message: "Base directory to resolve non-absolute module names." },
-        Deprecated_Use_jsxFactory_instead_Specify_the_object_invoked_for_createElement_when_targeting_react_JSX_emit: { code: 6084, category: ts.DiagnosticCategory.Message, key: "Deprecated_Use_jsxFactory_instead_Specify_the_object_invoked_for_createElement_when_targeting_react__6084", message: "[Deprecated] Use '--jsxFactory' instead. Specify the object invoked for createElement when targeting 'react' JSX emit" },
-        Enable_tracing_of_the_name_resolution_process: { code: 6085, category: ts.DiagnosticCategory.Message, key: "Enable_tracing_of_the_name_resolution_process_6085", message: "Enable tracing of the name resolution process." },
-        Resolving_module_0_from_1: { code: 6086, category: ts.DiagnosticCategory.Message, key: "Resolving_module_0_from_1_6086", message: "======== Resolving module '{0}' from '{1}'. ========" },
-        Explicitly_specified_module_resolution_kind_Colon_0: { code: 6087, category: ts.DiagnosticCategory.Message, key: "Explicitly_specified_module_resolution_kind_Colon_0_6087", message: "Explicitly specified module resolution kind: '{0}'." },
-        Module_resolution_kind_is_not_specified_using_0: { code: 6088, category: ts.DiagnosticCategory.Message, key: "Module_resolution_kind_is_not_specified_using_0_6088", message: "Module resolution kind is not specified, using '{0}'." },
-        Module_name_0_was_successfully_resolved_to_1: { code: 6089, category: ts.DiagnosticCategory.Message, key: "Module_name_0_was_successfully_resolved_to_1_6089", message: "======== Module name '{0}' was successfully resolved to '{1}'. ========" },
-        Module_name_0_was_not_resolved: { code: 6090, category: ts.DiagnosticCategory.Message, key: "Module_name_0_was_not_resolved_6090", message: "======== Module name '{0}' was not resolved. ========" },
-        paths_option_is_specified_looking_for_a_pattern_to_match_module_name_0: { code: 6091, category: ts.DiagnosticCategory.Message, key: "paths_option_is_specified_looking_for_a_pattern_to_match_module_name_0_6091", message: "'paths' option is specified, looking for a pattern to match module name '{0}'." },
-        Module_name_0_matched_pattern_1: { code: 6092, category: ts.DiagnosticCategory.Message, key: "Module_name_0_matched_pattern_1_6092", message: "Module name '{0}', matched pattern '{1}'." },
-        Trying_substitution_0_candidate_module_location_Colon_1: { code: 6093, category: ts.DiagnosticCategory.Message, key: "Trying_substitution_0_candidate_module_location_Colon_1_6093", message: "Trying substitution '{0}', candidate module location: '{1}'." },
-        Resolving_module_name_0_relative_to_base_url_1_2: { code: 6094, category: ts.DiagnosticCategory.Message, key: "Resolving_module_name_0_relative_to_base_url_1_2_6094", message: "Resolving module name '{0}' relative to base url '{1}' - '{2}'." },
-        Loading_module_as_file_Slash_folder_candidate_module_location_0_target_file_type_1: { code: 6095, category: ts.DiagnosticCategory.Message, key: "Loading_module_as_file_Slash_folder_candidate_module_location_0_target_file_type_1_6095", message: "Loading module as file / folder, candidate module location '{0}', target file type '{1}'." },
-        File_0_does_not_exist: { code: 6096, category: ts.DiagnosticCategory.Message, key: "File_0_does_not_exist_6096", message: "File '{0}' does not exist." },
-        File_0_exist_use_it_as_a_name_resolution_result: { code: 6097, category: ts.DiagnosticCategory.Message, key: "File_0_exist_use_it_as_a_name_resolution_result_6097", message: "File '{0}' exist - use it as a name resolution result." },
-        Loading_module_0_from_node_modules_folder_target_file_type_1: { code: 6098, category: ts.DiagnosticCategory.Message, key: "Loading_module_0_from_node_modules_folder_target_file_type_1_6098", message: "Loading module '{0}' from 'node_modules' folder, target file type '{1}'." },
-        Found_package_json_at_0: { code: 6099, category: ts.DiagnosticCategory.Message, key: "Found_package_json_at_0_6099", message: "Found 'package.json' at '{0}'." },
-        package_json_does_not_have_a_0_field: { code: 6100, category: ts.DiagnosticCategory.Message, key: "package_json_does_not_have_a_0_field_6100", message: "'package.json' does not have a '{0}' field." },
-        package_json_has_0_field_1_that_references_2: { code: 6101, category: ts.DiagnosticCategory.Message, key: "package_json_has_0_field_1_that_references_2_6101", message: "'package.json' has '{0}' field '{1}' that references '{2}'." },
-        Allow_javascript_files_to_be_compiled: { code: 6102, category: ts.DiagnosticCategory.Message, key: "Allow_javascript_files_to_be_compiled_6102", message: "Allow javascript files to be compiled." },
-        Option_0_should_have_array_of_strings_as_a_value: { code: 6103, category: ts.DiagnosticCategory.Error, key: "Option_0_should_have_array_of_strings_as_a_value_6103", message: "Option '{0}' should have array of strings as a value." },
-        Checking_if_0_is_the_longest_matching_prefix_for_1_2: { code: 6104, category: ts.DiagnosticCategory.Message, key: "Checking_if_0_is_the_longest_matching_prefix_for_1_2_6104", message: "Checking if '{0}' is the longest matching prefix for '{1}' - '{2}'." },
-        Expected_type_of_0_field_in_package_json_to_be_string_got_1: { code: 6105, category: ts.DiagnosticCategory.Message, key: "Expected_type_of_0_field_in_package_json_to_be_string_got_1_6105", message: "Expected type of '{0}' field in 'package.json' to be 'string', got '{1}'." },
-        baseUrl_option_is_set_to_0_using_this_value_to_resolve_non_relative_module_name_1: { code: 6106, category: ts.DiagnosticCategory.Message, key: "baseUrl_option_is_set_to_0_using_this_value_to_resolve_non_relative_module_name_1_6106", message: "'baseUrl' option is set to '{0}', using this value to resolve non-relative module name '{1}'." },
-        rootDirs_option_is_set_using_it_to_resolve_relative_module_name_0: { code: 6107, category: ts.DiagnosticCategory.Message, key: "rootDirs_option_is_set_using_it_to_resolve_relative_module_name_0_6107", message: "'rootDirs' option is set, using it to resolve relative module name '{0}'." },
-        Longest_matching_prefix_for_0_is_1: { code: 6108, category: ts.DiagnosticCategory.Message, key: "Longest_matching_prefix_for_0_is_1_6108", message: "Longest matching prefix for '{0}' is '{1}'." },
-        Loading_0_from_the_root_dir_1_candidate_location_2: { code: 6109, category: ts.DiagnosticCategory.Message, key: "Loading_0_from_the_root_dir_1_candidate_location_2_6109", message: "Loading '{0}' from the root dir '{1}', candidate location '{2}'." },
-        Trying_other_entries_in_rootDirs: { code: 6110, category: ts.DiagnosticCategory.Message, key: "Trying_other_entries_in_rootDirs_6110", message: "Trying other entries in 'rootDirs'." },
-        Module_resolution_using_rootDirs_has_failed: { code: 6111, category: ts.DiagnosticCategory.Message, key: "Module_resolution_using_rootDirs_has_failed_6111", message: "Module resolution using 'rootDirs' has failed." },
-        Do_not_emit_use_strict_directives_in_module_output: { code: 6112, category: ts.DiagnosticCategory.Message, key: "Do_not_emit_use_strict_directives_in_module_output_6112", message: "Do not emit 'use strict' directives in module output." },
-        Enable_strict_null_checks: { code: 6113, category: ts.DiagnosticCategory.Message, key: "Enable_strict_null_checks_6113", message: "Enable strict null checks." },
-        Unknown_option_excludes_Did_you_mean_exclude: { code: 6114, category: ts.DiagnosticCategory.Error, key: "Unknown_option_excludes_Did_you_mean_exclude_6114", message: "Unknown option 'excludes'. Did you mean 'exclude'?" },
-        Raise_error_on_this_expressions_with_an_implied_any_type: { code: 6115, category: ts.DiagnosticCategory.Message, key: "Raise_error_on_this_expressions_with_an_implied_any_type_6115", message: "Raise error on 'this' expressions with an implied 'any' type." },
-        Resolving_type_reference_directive_0_containing_file_1_root_directory_2: { code: 6116, category: ts.DiagnosticCategory.Message, key: "Resolving_type_reference_directive_0_containing_file_1_root_directory_2_6116", message: "======== Resolving type reference directive '{0}', containing file '{1}', root directory '{2}'. ========" },
-        Resolving_using_primary_search_paths: { code: 6117, category: ts.DiagnosticCategory.Message, key: "Resolving_using_primary_search_paths_6117", message: "Resolving using primary search paths..." },
-        Resolving_from_node_modules_folder: { code: 6118, category: ts.DiagnosticCategory.Message, key: "Resolving_from_node_modules_folder_6118", message: "Resolving from node_modules folder..." },
-        Type_reference_directive_0_was_successfully_resolved_to_1_primary_Colon_2: { code: 6119, category: ts.DiagnosticCategory.Message, key: "Type_reference_directive_0_was_successfully_resolved_to_1_primary_Colon_2_6119", message: "======== Type reference directive '{0}' was successfully resolved to '{1}', primary: {2}. ========" },
-        Type_reference_directive_0_was_not_resolved: { code: 6120, category: ts.DiagnosticCategory.Message, key: "Type_reference_directive_0_was_not_resolved_6120", message: "======== Type reference directive '{0}' was not resolved. ========" },
-        Resolving_with_primary_search_path_0: { code: 6121, category: ts.DiagnosticCategory.Message, key: "Resolving_with_primary_search_path_0_6121", message: "Resolving with primary search path '{0}'." },
-        Root_directory_cannot_be_determined_skipping_primary_search_paths: { code: 6122, category: ts.DiagnosticCategory.Message, key: "Root_directory_cannot_be_determined_skipping_primary_search_paths_6122", message: "Root directory cannot be determined, skipping primary search paths." },
-        Resolving_type_reference_directive_0_containing_file_1_root_directory_not_set: { code: 6123, category: ts.DiagnosticCategory.Message, key: "Resolving_type_reference_directive_0_containing_file_1_root_directory_not_set_6123", message: "======== Resolving type reference directive '{0}', containing file '{1}', root directory not set. ========" },
-        Type_declaration_files_to_be_included_in_compilation: { code: 6124, category: ts.DiagnosticCategory.Message, key: "Type_declaration_files_to_be_included_in_compilation_6124", message: "Type declaration files to be included in compilation." },
-        Looking_up_in_node_modules_folder_initial_location_0: { code: 6125, category: ts.DiagnosticCategory.Message, key: "Looking_up_in_node_modules_folder_initial_location_0_6125", message: "Looking up in 'node_modules' folder, initial location '{0}'." },
-        Containing_file_is_not_specified_and_root_directory_cannot_be_determined_skipping_lookup_in_node_modules_folder: { code: 6126, category: ts.DiagnosticCategory.Message, key: "Containing_file_is_not_specified_and_root_directory_cannot_be_determined_skipping_lookup_in_node_mod_6126", message: "Containing file is not specified and root directory cannot be determined, skipping lookup in 'node_modules' folder." },
-        Resolving_type_reference_directive_0_containing_file_not_set_root_directory_1: { code: 6127, category: ts.DiagnosticCategory.Message, key: "Resolving_type_reference_directive_0_containing_file_not_set_root_directory_1_6127", message: "======== Resolving type reference directive '{0}', containing file not set, root directory '{1}'. ========" },
-        Resolving_type_reference_directive_0_containing_file_not_set_root_directory_not_set: { code: 6128, category: ts.DiagnosticCategory.Message, key: "Resolving_type_reference_directive_0_containing_file_not_set_root_directory_not_set_6128", message: "======== Resolving type reference directive '{0}', containing file not set, root directory not set. ========" },
-        The_config_file_0_found_doesn_t_contain_any_source_files: { code: 6129, category: ts.DiagnosticCategory.Error, key: "The_config_file_0_found_doesn_t_contain_any_source_files_6129", message: "The config file '{0}' found doesn't contain any source files." },
-        Resolving_real_path_for_0_result_1: { code: 6130, category: ts.DiagnosticCategory.Message, key: "Resolving_real_path_for_0_result_1_6130", message: "Resolving real path for '{0}', result '{1}'." },
-        Cannot_compile_modules_using_option_0_unless_the_module_flag_is_amd_or_system: { code: 6131, category: ts.DiagnosticCategory.Error, key: "Cannot_compile_modules_using_option_0_unless_the_module_flag_is_amd_or_system_6131", message: "Cannot compile modules using option '{0}' unless the '--module' flag is 'amd' or 'system'." },
-        File_name_0_has_a_1_extension_stripping_it: { code: 6132, category: ts.DiagnosticCategory.Message, key: "File_name_0_has_a_1_extension_stripping_it_6132", message: "File name '{0}' has a '{1}' extension - stripping it." },
-        _0_is_declared_but_never_used: { code: 6133, category: ts.DiagnosticCategory.Error, key: "_0_is_declared_but_never_used_6133", message: "'{0}' is declared but never used." },
-        Report_errors_on_unused_locals: { code: 6134, category: ts.DiagnosticCategory.Message, key: "Report_errors_on_unused_locals_6134", message: "Report errors on unused locals." },
-        Report_errors_on_unused_parameters: { code: 6135, category: ts.DiagnosticCategory.Message, key: "Report_errors_on_unused_parameters_6135", message: "Report errors on unused parameters." },
-        The_maximum_dependency_depth_to_search_under_node_modules_and_load_JavaScript_files: { code: 6136, category: ts.DiagnosticCategory.Message, key: "The_maximum_dependency_depth_to_search_under_node_modules_and_load_JavaScript_files_6136", message: "The maximum dependency depth to search under node_modules and load JavaScript files." },
-        Cannot_import_type_declaration_files_Consider_importing_0_instead_of_1: { code: 6137, category: ts.DiagnosticCategory.Error, key: "Cannot_import_type_declaration_files_Consider_importing_0_instead_of_1_6137", message: "Cannot import type declaration files. Consider importing '{0}' instead of '{1}'." },
-        Property_0_is_declared_but_never_used: { code: 6138, category: ts.DiagnosticCategory.Error, key: "Property_0_is_declared_but_never_used_6138", message: "Property '{0}' is declared but never used." },
-        Import_emit_helpers_from_tslib: { code: 6139, category: ts.DiagnosticCategory.Message, key: "Import_emit_helpers_from_tslib_6139", message: "Import emit helpers from 'tslib'." },
-        Auto_discovery_for_typings_is_enabled_in_project_0_Running_extra_resolution_pass_for_module_1_using_cache_location_2: { code: 6140, category: ts.DiagnosticCategory.Error, key: "Auto_discovery_for_typings_is_enabled_in_project_0_Running_extra_resolution_pass_for_module_1_using__6140", message: "Auto discovery for typings is enabled in project '{0}'. Running extra resolution pass for module '{1}' using cache location '{2}'." },
-        Parse_in_strict_mode_and_emit_use_strict_for_each_source_file: { code: 6141, category: ts.DiagnosticCategory.Message, key: "Parse_in_strict_mode_and_emit_use_strict_for_each_source_file_6141", message: "Parse in strict mode and emit \"use strict\" for each source file." },
-        Module_0_was_resolved_to_1_but_jsx_is_not_set: { code: 6142, category: ts.DiagnosticCategory.Error, key: "Module_0_was_resolved_to_1_but_jsx_is_not_set_6142", message: "Module '{0}' was resolved to '{1}', but '--jsx' is not set." },
-        Module_0_was_resolved_to_1_but_allowJs_is_not_set: { code: 6143, category: ts.DiagnosticCategory.Error, key: "Module_0_was_resolved_to_1_but_allowJs_is_not_set_6143", message: "Module '{0}' was resolved to '{1}', but '--allowJs' is not set." },
-        Module_0_was_resolved_as_locally_declared_ambient_module_in_file_1: { code: 6144, category: ts.DiagnosticCategory.Message, key: "Module_0_was_resolved_as_locally_declared_ambient_module_in_file_1_6144", message: "Module '{0}' was resolved as locally declared ambient module in file '{1}'." },
-        Module_0_was_resolved_as_ambient_module_declared_in_1_since_this_file_was_not_modified: { code: 6145, category: ts.DiagnosticCategory.Message, key: "Module_0_was_resolved_as_ambient_module_declared_in_1_since_this_file_was_not_modified_6145", message: "Module '{0}' was resolved as ambient module declared in '{1}' since this file was not modified." },
-        Specify_the_JSX_factory_function_to_use_when_targeting_react_JSX_emit_e_g_React_createElement_or_h: { code: 6146, category: ts.DiagnosticCategory.Message, key: "Specify_the_JSX_factory_function_to_use_when_targeting_react_JSX_emit_e_g_React_createElement_or_h_6146", message: "Specify the JSX factory function to use when targeting 'react' JSX emit, e.g. 'React.createElement' or 'h'." },
-        Resolution_for_module_0_was_found_in_cache: { code: 6147, category: ts.DiagnosticCategory.Message, key: "Resolution_for_module_0_was_found_in_cache_6147", message: "Resolution for module '{0}' was found in cache." },
-        Directory_0_does_not_exist_skipping_all_lookups_in_it: { code: 6148, category: ts.DiagnosticCategory.Message, key: "Directory_0_does_not_exist_skipping_all_lookups_in_it_6148", message: "Directory '{0}' does not exist, skipping all lookups in it." },
-        Show_diagnostic_information: { code: 6149, category: ts.DiagnosticCategory.Message, key: "Show_diagnostic_information_6149", message: "Show diagnostic information." },
-        Show_verbose_diagnostic_information: { code: 6150, category: ts.DiagnosticCategory.Message, key: "Show_verbose_diagnostic_information_6150", message: "Show verbose diagnostic information." },
-        Emit_a_single_file_with_source_maps_instead_of_having_a_separate_file: { code: 6151, category: ts.DiagnosticCategory.Message, key: "Emit_a_single_file_with_source_maps_instead_of_having_a_separate_file_6151", message: "Emit a single file with source maps instead of having a separate file." },
-        Emit_the_source_alongside_the_sourcemaps_within_a_single_file_requires_inlineSourceMap_or_sourceMap_to_be_set: { code: 6152, category: ts.DiagnosticCategory.Message, key: "Emit_the_source_alongside_the_sourcemaps_within_a_single_file_requires_inlineSourceMap_or_sourceMap__6152", message: "Emit the source alongside the sourcemaps within a single file; requires '--inlineSourceMap' or '--sourceMap' to be set." },
-        Transpile_each_file_as_a_separate_module_similar_to_ts_transpileModule: { code: 6153, category: ts.DiagnosticCategory.Message, key: "Transpile_each_file_as_a_separate_module_similar_to_ts_transpileModule_6153", message: "Transpile each file as a separate module (similar to 'ts.transpileModule')." },
-        Print_names_of_generated_files_part_of_the_compilation: { code: 6154, category: ts.DiagnosticCategory.Message, key: "Print_names_of_generated_files_part_of_the_compilation_6154", message: "Print names of generated files part of the compilation." },
-        Print_names_of_files_part_of_the_compilation: { code: 6155, category: ts.DiagnosticCategory.Message, key: "Print_names_of_files_part_of_the_compilation_6155", message: "Print names of files part of the compilation." },
-        The_locale_used_when_displaying_messages_to_the_user_e_g_en_us: { code: 6156, category: ts.DiagnosticCategory.Message, key: "The_locale_used_when_displaying_messages_to_the_user_e_g_en_us_6156", message: "The locale used when displaying messages to the user (e.g. 'en-us')" },
-        Do_not_generate_custom_helper_functions_like_extends_in_compiled_output: { code: 6157, category: ts.DiagnosticCategory.Message, key: "Do_not_generate_custom_helper_functions_like_extends_in_compiled_output_6157", message: "Do not generate custom helper functions like '__extends' in compiled output." },
-        Do_not_include_the_default_library_file_lib_d_ts: { code: 6158, category: ts.DiagnosticCategory.Message, key: "Do_not_include_the_default_library_file_lib_d_ts_6158", message: "Do not include the default library file (lib.d.ts)." },
-        Do_not_add_triple_slash_references_or_imported_modules_to_the_list_of_compiled_files: { code: 6159, category: ts.DiagnosticCategory.Message, key: "Do_not_add_triple_slash_references_or_imported_modules_to_the_list_of_compiled_files_6159", message: "Do not add triple-slash references or imported modules to the list of compiled files." },
-        Deprecated_Use_skipLibCheck_instead_Skip_type_checking_of_default_library_declaration_files: { code: 6160, category: ts.DiagnosticCategory.Message, key: "Deprecated_Use_skipLibCheck_instead_Skip_type_checking_of_default_library_declaration_files_6160", message: "[Deprecated] Use '--skipLibCheck' instead. Skip type checking of default library declaration files." },
-        List_of_folders_to_include_type_definitions_from: { code: 6161, category: ts.DiagnosticCategory.Message, key: "List_of_folders_to_include_type_definitions_from_6161", message: "List of folders to include type definitions from." },
-        Disable_size_limitations_on_JavaScript_projects: { code: 6162, category: ts.DiagnosticCategory.Message, key: "Disable_size_limitations_on_JavaScript_projects_6162", message: "Disable size limitations on JavaScript projects." },
-        The_character_set_of_the_input_files: { code: 6163, category: ts.DiagnosticCategory.Message, key: "The_character_set_of_the_input_files_6163", message: "The character set of the input files." },
-        Emit_a_UTF_8_Byte_Order_Mark_BOM_in_the_beginning_of_output_files: { code: 6164, category: ts.DiagnosticCategory.Message, key: "Emit_a_UTF_8_Byte_Order_Mark_BOM_in_the_beginning_of_output_files_6164", message: "Emit a UTF-8 Byte Order Mark (BOM) in the beginning of output files." },
-        Do_not_truncate_error_messages: { code: 6165, category: ts.DiagnosticCategory.Message, key: "Do_not_truncate_error_messages_6165", message: "Do not truncate error messages." },
-        Output_directory_for_generated_declaration_files: { code: 6166, category: ts.DiagnosticCategory.Message, key: "Output_directory_for_generated_declaration_files_6166", message: "Output directory for generated declaration files." },
-        A_series_of_entries_which_re_map_imports_to_lookup_locations_relative_to_the_baseUrl: { code: 6167, category: ts.DiagnosticCategory.Message, key: "A_series_of_entries_which_re_map_imports_to_lookup_locations_relative_to_the_baseUrl_6167", message: "A series of entries which re-map imports to lookup locations relative to the 'baseUrl'." },
-        List_of_root_folders_whose_combined_content_represents_the_structure_of_the_project_at_runtime: { code: 6168, category: ts.DiagnosticCategory.Message, key: "List_of_root_folders_whose_combined_content_represents_the_structure_of_the_project_at_runtime_6168", message: "List of root folders whose combined content represents the structure of the project at runtime." },
-        Show_all_compiler_options: { code: 6169, category: ts.DiagnosticCategory.Message, key: "Show_all_compiler_options_6169", message: "Show all compiler options." },
-        Deprecated_Use_outFile_instead_Concatenate_and_emit_output_to_single_file: { code: 6170, category: ts.DiagnosticCategory.Message, key: "Deprecated_Use_outFile_instead_Concatenate_and_emit_output_to_single_file_6170", message: "[Deprecated] Use '--outFile' instead. Concatenate and emit output to single file" },
-        Command_line_Options: { code: 6171, category: ts.DiagnosticCategory.Message, key: "Command_line_Options_6171", message: "Command-line Options" },
-        Basic_Options: { code: 6172, category: ts.DiagnosticCategory.Message, key: "Basic_Options_6172", message: "Basic Options" },
-        Strict_Type_Checking_Options: { code: 6173, category: ts.DiagnosticCategory.Message, key: "Strict_Type_Checking_Options_6173", message: "Strict Type-Checking Options" },
-        Module_Resolution_Options: { code: 6174, category: ts.DiagnosticCategory.Message, key: "Module_Resolution_Options_6174", message: "Module Resolution Options" },
-        Source_Map_Options: { code: 6175, category: ts.DiagnosticCategory.Message, key: "Source_Map_Options_6175", message: "Source Map Options" },
-        Additional_Checks: { code: 6176, category: ts.DiagnosticCategory.Message, key: "Additional_Checks_6176", message: "Additional Checks" },
-        Experimental_Options: { code: 6177, category: ts.DiagnosticCategory.Message, key: "Experimental_Options_6177", message: "Experimental Options" },
-        Advanced_Options: { code: 6178, category: ts.DiagnosticCategory.Message, key: "Advanced_Options_6178", message: "Advanced Options" },
-        Provide_full_support_for_iterables_in_for_of_spread_and_destructuring_when_targeting_ES5_or_ES3: { code: 6179, category: ts.DiagnosticCategory.Message, key: "Provide_full_support_for_iterables_in_for_of_spread_and_destructuring_when_targeting_ES5_or_ES3_6179", message: "Provide full support for iterables in 'for-of', spread, and destructuring when targeting 'ES5' or 'ES3'." },
-        Enable_all_strict_type_checking_options: { code: 6180, category: ts.DiagnosticCategory.Message, key: "Enable_all_strict_type_checking_options_6180", message: "Enable all strict type-checking options." },
-        List_of_language_service_plugins: { code: 6181, category: ts.DiagnosticCategory.Message, key: "List_of_language_service_plugins_6181", message: "List of language service plugins." },
-        Scoped_package_detected_looking_in_0: { code: 6182, category: ts.DiagnosticCategory.Message, key: "Scoped_package_detected_looking_in_0_6182", message: "Scoped package detected, looking in '{0}'" },
-        Reusing_resolution_of_module_0_to_file_1_from_old_program: { code: 6183, category: ts.DiagnosticCategory.Message, key: "Reusing_resolution_of_module_0_to_file_1_from_old_program_6183", message: "Reusing resolution of module '{0}' to file '{1}' from old program." },
-        Reusing_module_resolutions_originating_in_0_since_resolutions_are_unchanged_from_old_program: { code: 6184, category: ts.DiagnosticCategory.Message, key: "Reusing_module_resolutions_originating_in_0_since_resolutions_are_unchanged_from_old_program_6184", message: "Reusing module resolutions originating in '{0}' since resolutions are unchanged from old program." },
-        Disable_strict_checking_of_generic_signatures_in_function_types: { code: 6185, category: ts.DiagnosticCategory.Message, key: "Disable_strict_checking_of_generic_signatures_in_function_types_6185", message: "Disable strict checking of generic signatures in function types." },
-        Variable_0_implicitly_has_an_1_type: { code: 7005, category: ts.DiagnosticCategory.Error, key: "Variable_0_implicitly_has_an_1_type_7005", message: "Variable '{0}' implicitly has an '{1}' type." },
-        Parameter_0_implicitly_has_an_1_type: { code: 7006, category: ts.DiagnosticCategory.Error, key: "Parameter_0_implicitly_has_an_1_type_7006", message: "Parameter '{0}' implicitly has an '{1}' type." },
-        Member_0_implicitly_has_an_1_type: { code: 7008, category: ts.DiagnosticCategory.Error, key: "Member_0_implicitly_has_an_1_type_7008", message: "Member '{0}' implicitly has an '{1}' type." },
-        new_expression_whose_target_lacks_a_construct_signature_implicitly_has_an_any_type: { code: 7009, category: ts.DiagnosticCategory.Error, key: "new_expression_whose_target_lacks_a_construct_signature_implicitly_has_an_any_type_7009", message: "'new' expression, whose target lacks a construct signature, implicitly has an 'any' type." },
-        _0_which_lacks_return_type_annotation_implicitly_has_an_1_return_type: { code: 7010, category: ts.DiagnosticCategory.Error, key: "_0_which_lacks_return_type_annotation_implicitly_has_an_1_return_type_7010", message: "'{0}', which lacks return-type annotation, implicitly has an '{1}' return type." },
-        Function_expression_which_lacks_return_type_annotation_implicitly_has_an_0_return_type: { code: 7011, category: ts.DiagnosticCategory.Error, key: "Function_expression_which_lacks_return_type_annotation_implicitly_has_an_0_return_type_7011", message: "Function expression, which lacks return-type annotation, implicitly has an '{0}' return type." },
-        Construct_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type: { code: 7013, category: ts.DiagnosticCategory.Error, key: "Construct_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type_7013", message: "Construct signature, which lacks return-type annotation, implicitly has an 'any' return type." },
-        Element_implicitly_has_an_any_type_because_index_expression_is_not_of_type_number: { code: 7015, category: ts.DiagnosticCategory.Error, key: "Element_implicitly_has_an_any_type_because_index_expression_is_not_of_type_number_7015", message: "Element implicitly has an 'any' type because index expression is not of type 'number'." },
-        Could_not_find_a_declaration_file_for_module_0_1_implicitly_has_an_any_type: { code: 7016, category: ts.DiagnosticCategory.Error, key: "Could_not_find_a_declaration_file_for_module_0_1_implicitly_has_an_any_type_7016", message: "Could not find a declaration file for module '{0}'. '{1}' implicitly has an 'any' type." },
-        Element_implicitly_has_an_any_type_because_type_0_has_no_index_signature: { code: 7017, category: ts.DiagnosticCategory.Error, key: "Element_implicitly_has_an_any_type_because_type_0_has_no_index_signature_7017", message: "Element implicitly has an 'any' type because type '{0}' has no index signature." },
-        Object_literal_s_property_0_implicitly_has_an_1_type: { code: 7018, category: ts.DiagnosticCategory.Error, key: "Object_literal_s_property_0_implicitly_has_an_1_type_7018", message: "Object literal's property '{0}' implicitly has an '{1}' type." },
-        Rest_parameter_0_implicitly_has_an_any_type: { code: 7019, category: ts.DiagnosticCategory.Error, key: "Rest_parameter_0_implicitly_has_an_any_type_7019", message: "Rest parameter '{0}' implicitly has an 'any[]' type." },
-        Call_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type: { code: 7020, category: ts.DiagnosticCategory.Error, key: "Call_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type_7020", message: "Call signature, which lacks return-type annotation, implicitly has an 'any' return type." },
-        _0_implicitly_has_type_any_because_it_does_not_have_a_type_annotation_and_is_referenced_directly_or_indirectly_in_its_own_initializer: { code: 7022, category: ts.DiagnosticCategory.Error, key: "_0_implicitly_has_type_any_because_it_does_not_have_a_type_annotation_and_is_referenced_directly_or__7022", message: "'{0}' implicitly has type 'any' because it does not have a type annotation and is referenced directly or indirectly in its own initializer." },
-        _0_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions: { code: 7023, category: ts.DiagnosticCategory.Error, key: "_0_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_reference_7023", message: "'{0}' implicitly has return type 'any' because it does not have a return type annotation and is referenced directly or indirectly in one of its return expressions." },
-        Function_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions: { code: 7024, category: ts.DiagnosticCategory.Error, key: "Function_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_ref_7024", message: "Function implicitly has return type 'any' because it does not have a return type annotation and is referenced directly or indirectly in one of its return expressions." },
-        Generator_implicitly_has_type_0_because_it_does_not_yield_any_values_Consider_supplying_a_return_type: { code: 7025, category: ts.DiagnosticCategory.Error, key: "Generator_implicitly_has_type_0_because_it_does_not_yield_any_values_Consider_supplying_a_return_typ_7025", message: "Generator implicitly has type '{0}' because it does not yield any values. Consider supplying a return type." },
-        JSX_element_implicitly_has_type_any_because_no_interface_JSX_0_exists: { code: 7026, category: ts.DiagnosticCategory.Error, key: "JSX_element_implicitly_has_type_any_because_no_interface_JSX_0_exists_7026", message: "JSX element implicitly has type 'any' because no interface 'JSX.{0}' exists." },
-        Unreachable_code_detected: { code: 7027, category: ts.DiagnosticCategory.Error, key: "Unreachable_code_detected_7027", message: "Unreachable code detected." },
-        Unused_label: { code: 7028, category: ts.DiagnosticCategory.Error, key: "Unused_label_7028", message: "Unused label." },
-        Fallthrough_case_in_switch: { code: 7029, category: ts.DiagnosticCategory.Error, key: "Fallthrough_case_in_switch_7029", message: "Fallthrough case in switch." },
-        Not_all_code_paths_return_a_value: { code: 7030, category: ts.DiagnosticCategory.Error, key: "Not_all_code_paths_return_a_value_7030", message: "Not all code paths return a value." },
-        Binding_element_0_implicitly_has_an_1_type: { code: 7031, category: ts.DiagnosticCategory.Error, key: "Binding_element_0_implicitly_has_an_1_type_7031", message: "Binding element '{0}' implicitly has an '{1}' type." },
-        Property_0_implicitly_has_type_any_because_its_set_accessor_lacks_a_parameter_type_annotation: { code: 7032, category: ts.DiagnosticCategory.Error, key: "Property_0_implicitly_has_type_any_because_its_set_accessor_lacks_a_parameter_type_annotation_7032", message: "Property '{0}' implicitly has type 'any', because its set accessor lacks a parameter type annotation." },
-        Property_0_implicitly_has_type_any_because_its_get_accessor_lacks_a_return_type_annotation: { code: 7033, category: ts.DiagnosticCategory.Error, key: "Property_0_implicitly_has_type_any_because_its_get_accessor_lacks_a_return_type_annotation_7033", message: "Property '{0}' implicitly has type 'any', because its get accessor lacks a return type annotation." },
-        Variable_0_implicitly_has_type_1_in_some_locations_where_its_type_cannot_be_determined: { code: 7034, category: ts.DiagnosticCategory.Error, key: "Variable_0_implicitly_has_type_1_in_some_locations_where_its_type_cannot_be_determined_7034", message: "Variable '{0}' implicitly has type '{1}' in some locations where its type cannot be determined." },
-        Try_npm_install_types_Slash_0_if_it_exists_or_add_a_new_declaration_d_ts_file_containing_declare_module_0: { code: 7035, category: ts.DiagnosticCategory.Error, key: "Try_npm_install_types_Slash_0_if_it_exists_or_add_a_new_declaration_d_ts_file_containing_declare_mod_7035", message: "Try `npm install @types/{0}` if it exists or add a new declaration (.d.ts) file containing `declare module '{0}';`" },
-        Dynamic_import_s_specifier_must_be_of_type_string_but_here_has_type_0: { code: 7036, category: ts.DiagnosticCategory.Error, key: "Dynamic_import_s_specifier_must_be_of_type_string_but_here_has_type_0_7036", message: "Dynamic import's specifier must be of type 'string', but here has type '{0}'." },
-        You_cannot_rename_this_element: { code: 8000, category: ts.DiagnosticCategory.Error, key: "You_cannot_rename_this_element_8000", message: "You cannot rename this element." },
-        You_cannot_rename_elements_that_are_defined_in_the_standard_TypeScript_library: { code: 8001, category: ts.DiagnosticCategory.Error, key: "You_cannot_rename_elements_that_are_defined_in_the_standard_TypeScript_library_8001", message: "You cannot rename elements that are defined in the standard TypeScript library." },
-        import_can_only_be_used_in_a_ts_file: { code: 8002, category: ts.DiagnosticCategory.Error, key: "import_can_only_be_used_in_a_ts_file_8002", message: "'import ... =' can only be used in a .ts file." },
-        export_can_only_be_used_in_a_ts_file: { code: 8003, category: ts.DiagnosticCategory.Error, key: "export_can_only_be_used_in_a_ts_file_8003", message: "'export=' can only be used in a .ts file." },
-        type_parameter_declarations_can_only_be_used_in_a_ts_file: { code: 8004, category: ts.DiagnosticCategory.Error, key: "type_parameter_declarations_can_only_be_used_in_a_ts_file_8004", message: "'type parameter declarations' can only be used in a .ts file." },
-        implements_clauses_can_only_be_used_in_a_ts_file: { code: 8005, category: ts.DiagnosticCategory.Error, key: "implements_clauses_can_only_be_used_in_a_ts_file_8005", message: "'implements clauses' can only be used in a .ts file." },
-        interface_declarations_can_only_be_used_in_a_ts_file: { code: 8006, category: ts.DiagnosticCategory.Error, key: "interface_declarations_can_only_be_used_in_a_ts_file_8006", message: "'interface declarations' can only be used in a .ts file." },
-        module_declarations_can_only_be_used_in_a_ts_file: { code: 8007, category: ts.DiagnosticCategory.Error, key: "module_declarations_can_only_be_used_in_a_ts_file_8007", message: "'module declarations' can only be used in a .ts file." },
-        type_aliases_can_only_be_used_in_a_ts_file: { code: 8008, category: ts.DiagnosticCategory.Error, key: "type_aliases_can_only_be_used_in_a_ts_file_8008", message: "'type aliases' can only be used in a .ts file." },
-        _0_can_only_be_used_in_a_ts_file: { code: 8009, category: ts.DiagnosticCategory.Error, key: "_0_can_only_be_used_in_a_ts_file_8009", message: "'{0}' can only be used in a .ts file." },
-        types_can_only_be_used_in_a_ts_file: { code: 8010, category: ts.DiagnosticCategory.Error, key: "types_can_only_be_used_in_a_ts_file_8010", message: "'types' can only be used in a .ts file." },
-        type_arguments_can_only_be_used_in_a_ts_file: { code: 8011, category: ts.DiagnosticCategory.Error, key: "type_arguments_can_only_be_used_in_a_ts_file_8011", message: "'type arguments' can only be used in a .ts file." },
-        parameter_modifiers_can_only_be_used_in_a_ts_file: { code: 8012, category: ts.DiagnosticCategory.Error, key: "parameter_modifiers_can_only_be_used_in_a_ts_file_8012", message: "'parameter modifiers' can only be used in a .ts file." },
-        enum_declarations_can_only_be_used_in_a_ts_file: { code: 8015, category: ts.DiagnosticCategory.Error, key: "enum_declarations_can_only_be_used_in_a_ts_file_8015", message: "'enum declarations' can only be used in a .ts file." },
-        type_assertion_expressions_can_only_be_used_in_a_ts_file: { code: 8016, category: ts.DiagnosticCategory.Error, key: "type_assertion_expressions_can_only_be_used_in_a_ts_file_8016", message: "'type assertion expressions' can only be used in a .ts file." },
-        Only_identifiers_Slashqualified_names_with_optional_type_arguments_are_currently_supported_in_a_class_extends_clause: { code: 9002, category: ts.DiagnosticCategory.Error, key: "Only_identifiers_Slashqualified_names_with_optional_type_arguments_are_currently_supported_in_a_clas_9002", message: "Only identifiers/qualified-names with optional type arguments are currently supported in a class 'extends' clause." },
-        class_expressions_are_not_currently_supported: { code: 9003, category: ts.DiagnosticCategory.Error, key: "class_expressions_are_not_currently_supported_9003", message: "'class' expressions are not currently supported." },
-        Language_service_is_disabled: { code: 9004, category: ts.DiagnosticCategory.Error, key: "Language_service_is_disabled_9004", message: "Language service is disabled." },
-        JSX_attributes_must_only_be_assigned_a_non_empty_expression: { code: 17000, category: ts.DiagnosticCategory.Error, key: "JSX_attributes_must_only_be_assigned_a_non_empty_expression_17000", message: "JSX attributes must only be assigned a non-empty 'expression'." },
-        JSX_elements_cannot_have_multiple_attributes_with_the_same_name: { code: 17001, category: ts.DiagnosticCategory.Error, key: "JSX_elements_cannot_have_multiple_attributes_with_the_same_name_17001", message: "JSX elements cannot have multiple attributes with the same name." },
-        Expected_corresponding_JSX_closing_tag_for_0: { code: 17002, category: ts.DiagnosticCategory.Error, key: "Expected_corresponding_JSX_closing_tag_for_0_17002", message: "Expected corresponding JSX closing tag for '{0}'." },
-        JSX_attribute_expected: { code: 17003, category: ts.DiagnosticCategory.Error, key: "JSX_attribute_expected_17003", message: "JSX attribute expected." },
-        Cannot_use_JSX_unless_the_jsx_flag_is_provided: { code: 17004, category: ts.DiagnosticCategory.Error, key: "Cannot_use_JSX_unless_the_jsx_flag_is_provided_17004", message: "Cannot use JSX unless the '--jsx' flag is provided." },
-        A_constructor_cannot_contain_a_super_call_when_its_class_extends_null: { code: 17005, category: ts.DiagnosticCategory.Error, key: "A_constructor_cannot_contain_a_super_call_when_its_class_extends_null_17005", message: "A constructor cannot contain a 'super' call when its class extends 'null'." },
-        An_unary_expression_with_the_0_operator_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_expression_Consider_enclosing_the_expression_in_parentheses: { code: 17006, category: ts.DiagnosticCategory.Error, key: "An_unary_expression_with_the_0_operator_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_ex_17006", message: "An unary expression with the '{0}' operator is not allowed in the left-hand side of an exponentiation expression. Consider enclosing the expression in parentheses." },
-        A_type_assertion_expression_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_expression_Consider_enclosing_the_expression_in_parentheses: { code: 17007, category: ts.DiagnosticCategory.Error, key: "A_type_assertion_expression_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_expression_Con_17007", message: "A type assertion expression is not allowed in the left-hand side of an exponentiation expression. Consider enclosing the expression in parentheses." },
-        JSX_element_0_has_no_corresponding_closing_tag: { code: 17008, category: ts.DiagnosticCategory.Error, key: "JSX_element_0_has_no_corresponding_closing_tag_17008", message: "JSX element '{0}' has no corresponding closing tag." },
-        super_must_be_called_before_accessing_this_in_the_constructor_of_a_derived_class: { code: 17009, category: ts.DiagnosticCategory.Error, key: "super_must_be_called_before_accessing_this_in_the_constructor_of_a_derived_class_17009", message: "'super' must be called before accessing 'this' in the constructor of a derived class." },
-        Unknown_type_acquisition_option_0: { code: 17010, category: ts.DiagnosticCategory.Error, key: "Unknown_type_acquisition_option_0_17010", message: "Unknown type acquisition option '{0}'." },
-        super_must_be_called_before_accessing_a_property_of_super_in_the_constructor_of_a_derived_class: { code: 17011, category: ts.DiagnosticCategory.Error, key: "super_must_be_called_before_accessing_a_property_of_super_in_the_constructor_of_a_derived_class_17011", message: "'super' must be called before accessing a property of 'super' in the constructor of a derived class." },
-        _0_is_not_a_valid_meta_property_for_keyword_1_Did_you_mean_2: { code: 17012, category: ts.DiagnosticCategory.Error, key: "_0_is_not_a_valid_meta_property_for_keyword_1_Did_you_mean_2_17012", message: "'{0}' is not a valid meta-property for keyword '{1}'. Did you mean '{2}'?" },
-        Meta_property_0_is_only_allowed_in_the_body_of_a_function_declaration_function_expression_or_constructor: { code: 17013, category: ts.DiagnosticCategory.Error, key: "Meta_property_0_is_only_allowed_in_the_body_of_a_function_declaration_function_expression_or_constru_17013", message: "Meta-property '{0}' is only allowed in the body of a function declaration, function expression, or constructor." },
-        Circularity_detected_while_resolving_configuration_Colon_0: { code: 18000, category: ts.DiagnosticCategory.Error, key: "Circularity_detected_while_resolving_configuration_Colon_0_18000", message: "Circularity detected while resolving configuration: {0}" },
-        A_path_in_an_extends_option_must_be_relative_or_rooted_but_0_is_not: { code: 18001, category: ts.DiagnosticCategory.Error, key: "A_path_in_an_extends_option_must_be_relative_or_rooted_but_0_is_not_18001", message: "A path in an 'extends' option must be relative or rooted, but '{0}' is not." },
-        The_files_list_in_config_file_0_is_empty: { code: 18002, category: ts.DiagnosticCategory.Error, key: "The_files_list_in_config_file_0_is_empty_18002", message: "The 'files' list in config file '{0}' is empty." },
-        No_inputs_were_found_in_config_file_0_Specified_include_paths_were_1_and_exclude_paths_were_2: { code: 18003, category: ts.DiagnosticCategory.Error, key: "No_inputs_were_found_in_config_file_0_Specified_include_paths_were_1_and_exclude_paths_were_2_18003", message: "No inputs were found in config file '{0}'. Specified 'include' paths were '{1}' and 'exclude' paths were '{2}'." },
-        Add_missing_super_call: { code: 90001, category: ts.DiagnosticCategory.Message, key: "Add_missing_super_call_90001", message: "Add missing 'super()' call." },
-        Make_super_call_the_first_statement_in_the_constructor: { code: 90002, category: ts.DiagnosticCategory.Message, key: "Make_super_call_the_first_statement_in_the_constructor_90002", message: "Make 'super()' call the first statement in the constructor." },
-        Change_extends_to_implements: { code: 90003, category: ts.DiagnosticCategory.Message, key: "Change_extends_to_implements_90003", message: "Change 'extends' to 'implements'." },
-        Remove_declaration_for_Colon_0: { code: 90004, category: ts.DiagnosticCategory.Message, key: "Remove_declaration_for_Colon_0_90004", message: "Remove declaration for: '{0}'." },
-        Implement_interface_0: { code: 90006, category: ts.DiagnosticCategory.Message, key: "Implement_interface_0_90006", message: "Implement interface '{0}'." },
-        Implement_inherited_abstract_class: { code: 90007, category: ts.DiagnosticCategory.Message, key: "Implement_inherited_abstract_class_90007", message: "Implement inherited abstract class." },
-        Add_this_to_unresolved_variable: { code: 90008, category: ts.DiagnosticCategory.Message, key: "Add_this_to_unresolved_variable_90008", message: "Add 'this.' to unresolved variable." },
-        Adding_a_tsconfig_json_file_will_help_organize_projects_that_contain_both_TypeScript_and_JavaScript_files_Learn_more_at_https_Colon_Slash_Slashaka_ms_Slashtsconfig: { code: 90009, category: ts.DiagnosticCategory.Error, key: "Adding_a_tsconfig_json_file_will_help_organize_projects_that_contain_both_TypeScript_and_JavaScript__90009", message: "Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig." },
-        Type_0_is_not_assignable_to_type_1_Two_different_types_with_this_name_exist_but_they_are_unrelated: { code: 90010, category: ts.DiagnosticCategory.Error, key: "Type_0_is_not_assignable_to_type_1_Two_different_types_with_this_name_exist_but_they_are_unrelated_90010", message: "Type '{0}' is not assignable to type '{1}'. Two different types with this name exist, but they are unrelated." },
-        Import_0_from_1: { code: 90013, category: ts.DiagnosticCategory.Message, key: "Import_0_from_1_90013", message: "Import {0} from {1}." },
-        Change_0_to_1: { code: 90014, category: ts.DiagnosticCategory.Message, key: "Change_0_to_1_90014", message: "Change {0} to {1}." },
-        Add_0_to_existing_import_declaration_from_1: { code: 90015, category: ts.DiagnosticCategory.Message, key: "Add_0_to_existing_import_declaration_from_1_90015", message: "Add {0} to existing import declaration from {1}." },
-        Declare_property_0: { code: 90016, category: ts.DiagnosticCategory.Message, key: "Declare_property_0_90016", message: "Declare property '{0}'." },
-        Add_index_signature_for_property_0: { code: 90017, category: ts.DiagnosticCategory.Message, key: "Add_index_signature_for_property_0_90017", message: "Add index signature for property '{0}'." },
-        Disable_checking_for_this_file: { code: 90018, category: ts.DiagnosticCategory.Message, key: "Disable_checking_for_this_file_90018", message: "Disable checking for this file." },
-        Ignore_this_error_message: { code: 90019, category: ts.DiagnosticCategory.Message, key: "Ignore_this_error_message_90019", message: "Ignore this error message." },
-        Initialize_property_0_in_the_constructor: { code: 90020, category: ts.DiagnosticCategory.Message, key: "Initialize_property_0_in_the_constructor_90020", message: "Initialize property '{0}' in the constructor." },
-        Initialize_static_property_0: { code: 90021, category: ts.DiagnosticCategory.Message, key: "Initialize_static_property_0_90021", message: "Initialize static property '{0}'." },
-        Change_spelling_to_0: { code: 90022, category: ts.DiagnosticCategory.Message, key: "Change_spelling_to_0_90022", message: "Change spelling to '{0}'." },
-        Declare_method_0: { code: 90023, category: ts.DiagnosticCategory.Message, key: "Declare_method_0_90023", message: "Declare method '{0}'." },
-        Declare_static_method_0: { code: 90024, category: ts.DiagnosticCategory.Message, key: "Declare_static_method_0_90024", message: "Declare static method '{0}'." },
-        Prefix_0_with_an_underscore: { code: 90025, category: ts.DiagnosticCategory.Message, key: "Prefix_0_with_an_underscore_90025", message: "Prefix '{0}' with an underscore." },
-        Convert_function_to_an_ES2015_class: { code: 95001, category: ts.DiagnosticCategory.Message, key: "Convert_function_to_an_ES2015_class_95001", message: "Convert function to an ES2015 class" },
-        Convert_function_0_to_class: { code: 95002, category: ts.DiagnosticCategory.Message, key: "Convert_function_0_to_class_95002", message: "Convert function '{0}' to class" },
-        Octal_literal_types_must_use_ES2015_syntax_Use_the_syntax_0: { code: 8017, category: ts.DiagnosticCategory.Error, key: "Octal_literal_types_must_use_ES2015_syntax_Use_the_syntax_0_8017", message: "Octal literal types must use ES2015 syntax. Use the syntax '{0}'." },
-        Octal_literals_are_not_allowed_in_enums_members_initializer_Use_the_syntax_0: { code: 8018, category: ts.DiagnosticCategory.Error, key: "Octal_literals_are_not_allowed_in_enums_members_initializer_Use_the_syntax_0_8018", message: "Octal literals are not allowed in enums members initializer. Use the syntax '{0}'." },
-        Report_errors_in_js_files: { code: 8019, category: ts.DiagnosticCategory.Message, key: "Report_errors_in_js_files_8019", message: "Report errors in .js files." },
-    };
-})(ts || (ts = {}));
-var ts;
-(function (ts) {
-    function tokenIsIdentifierOrKeyword(token) {
-        return token >= 71;
-    }
-    ts.tokenIsIdentifierOrKeyword = tokenIsIdentifierOrKeyword;
-    var textToToken = ts.createMapFromTemplate({
-        "abstract": 117,
-        "any": 119,
-        "as": 118,
-        "boolean": 122,
-        "break": 72,
-        "case": 73,
-        "catch": 74,
-        "class": 75,
-        "continue": 77,
-        "const": 76,
-        "constructor": 123,
-        "debugger": 78,
-        "declare": 124,
-        "default": 79,
-        "delete": 80,
-        "do": 81,
-        "else": 82,
-        "enum": 83,
-        "export": 84,
-        "extends": 85,
-        "false": 86,
-        "finally": 87,
-        "for": 88,
-        "from": 140,
-        "function": 89,
-        "get": 125,
-        "if": 90,
-        "implements": 108,
-        "import": 91,
-        "in": 92,
-        "instanceof": 93,
-        "interface": 109,
-        "is": 126,
-        "keyof": 127,
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6160, 6169, 6176, 6263, 6272, 6314, 6320, 6389, 6400, 6428, 6432, 6443, 6448, 6459, 6470, 6509, 6512, 6516, 6528, 6571, 6576, 6601, 6608, 6617, 6656, 6683, 6688, 6750, 6752, 6780, 6783, 6793, 6800, 6809, 6823, 6823, 6912, 6987, 6992, 7001, 7019, 7027, 7040, 7155, 7168, 7223, 7232, 7241, 7245, 7293, 7376, 7378, 7380, 7414, 7424, 7654, 7676, 7957, 7960, 7965, 7968, 8005, 8008, 8013, 8016, 8023, 8025, 8025, 8027, 8027, 8029, 8029, 8031, 8061, 8064, 8116, 8118, 8124, 8126, 8126, 8130, 8132, 8134, 8140, 8144, 8147, 8150, 8155, 8160, 8172, 8178, 8180, 8182, 8188, 8204, 8205, 8255, 8256, 8276, 8276, 8305, 8305, 8319, 8319, 8336, 8348, 8400, 8412, 8417, 8417, 8421, 8432, 8450, 8450, 8455, 8455, 8458, 8467, 8469, 8469, 8473, 8477, 8484, 8484, 8486, 8486, 8488, 8488, 8490, 8493, 8495, 8505, 8508, 8511, 8517, 8521, 8526, 8526, 8544, 8584, 11264, 11310, 11312, 11358, 11360, 11492, 11499, 11507, 11520, 11557, 11559, 11559, 11565, 11565, 11568, 11623, 11631, 11631, 11647, 11670, 11680, 11686, 11688, 11694, 11696, 11702, 11704, 11710, 11712, 11718, 11720, 11726, 11728, 11734, 11736, 11742, 11744, 11775, 11823, 11823, 12293, 12295, 12321, 12335, 12337, 12341, 12344, 12348, 12353, 12438, 12441, 12442, 12445, 12447, 12449, 12538, 12540, 12543, 12549, 12589, 12593, 12686, 12704, 12730, 12784, 12799, 13312, 19893, 19968, 40908, 40960, 42124, 42192, 42237, 42240, 42508, 42512, 42539, 42560, 42607, 42612, 42621, 42623, 42647, 42655, 42737, 42775, 42783, 42786, 42888, 42891, 42894, 42896, 42899, 42912, 42922, 43000, 43047, 43072, 43123, 43136, 43204, 43216, 43225, 43232, 43255, 43259, 43259, 43264, 43309, 43312, 43347, 43360, 43388, 43392, 43456, 43471, 43481, 43520, 43574, 43584, 43597, 43600, 43609, 43616, 43638, 43642, 43643, 43648, 43714, 43739, 43741, 43744, 43759, 43762, 43766, 43777, 43782, 43785, 43790, 43793, 43798, 43808, 43814, 43816, 43822, 43968, 44010, 44012, 44013, 44016, 44025, 44032, 55203, 55216, 55238, 55243, 55291, 63744, 64109, 64112, 64217, 64256, 64262, 64275, 64279, 64285, 64296, 64298, 64310, 64312, 64316, 64318, 64318, 64320, 64321, 64323, 64324, 64326, 64433, 64467, 64829, 64848, 64911, 64914, 64967, 65008, 65019, 65024, 65039, 65056, 65062, 65075, 65076, 65101, 65103, 65136, 65140, 65142, 65276, 65296, 65305, 65313, 65338, 65343, 65343, 65345, 65370, 65382, 65470, 65474, 65479, 65482, 65487, 65490, 65495, 65498, 65500,];
-    function lookupInUnicodeMap(code, map) {
-        if (code < map[0]) {
-            return false;
-        }
-        var lo = 0;
-        var hi = map.length;
-        var mid;
-        while (lo + 1 < hi) {
-            mid = lo + (hi - lo) / 2;
-            mid -= mid % 2;
-            if (map[mid] <= code && code <= map[mid + 1]) {
-                return true;
-            }
-            if (code < map[mid]) {
-                hi = mid;
-            }
-            else {
-                lo = mid + 2;
-            }
-        }
-        return false;
-    }
-    function isUnicodeIdentifierStart(code, languageVersion) {
-        return languageVersion >= 1 ?
-            lookupInUnicodeMap(code, unicodeES5IdentifierStart) :
-            lookupInUnicodeMap(code, unicodeES3IdentifierStart);
+    function diag(code, category, key, message) {
+        return { code: code, category: category, key: key, message: message };
     }
-    ts.isUnicodeIdentifierStart = isUnicodeIdentifierStart;
-    function isUnicodeIdentifierPart(code, languageVersion) {
-        return languageVersion >= 1 ?
-            lookupInUnicodeMap(code, unicodeES5IdentifierPart) :
-            lookupInUnicodeMap(code, unicodeES3IdentifierPart);
-    }
-    function makeReverseMap(source) {
-        var result = [];
-        source.forEach(function (value, name) {
-            result[value] = name;
-        });
-        return result;
-    }
-    var tokenStrings = makeReverseMap(textToToken);
-    function tokenToString(t) {
-        return tokenStrings[t];
-    }
-    ts.tokenToString = tokenToString;
-    function stringToToken(s) {
-        return textToToken.get(s);
-    }
-    ts.stringToToken = stringToToken;
-    function computeLineStarts(text) {
-        var result = new Array();
-        var pos = 0;
-        var lineStart = 0;
-        while (pos < text.length) {
-            var ch = text.charCodeAt(pos);
-            pos++;
-            switch (ch) {
-                case 13:
-                    if (text.charCodeAt(pos) === 10) {
-                        pos++;
-                    }
-                case 10:
-                    result.push(lineStart);
-                    lineStart = pos;
-                    break;
-                default:
-                    if (ch > 127 && isLineBreak(ch)) {
-                        result.push(lineStart);
-                        lineStart = pos;
-                    }
-                    break;
-            }
-        }
-        result.push(lineStart);
-        return result;
-    }
-    ts.computeLineStarts = computeLineStarts;
-    function getPositionOfLineAndCharacter(sourceFile, line, character) {
-        return computePositionOfLineAndCharacter(getLineStarts(sourceFile), line, character);
-    }
-    ts.getPositionOfLineAndCharacter = getPositionOfLineAndCharacter;
-    function computePositionOfLineAndCharacter(lineStarts, line, character) {
-        ts.Debug.assert(line >= 0 && line < lineStarts.length);
-        return lineStarts[line] + character;
-    }
-    ts.computePositionOfLineAndCharacter = computePositionOfLineAndCharacter;
-    function getLineStarts(sourceFile) {
-        return sourceFile.lineMap || (sourceFile.lineMap = computeLineStarts(sourceFile.text));
-    }
-    ts.getLineStarts = getLineStarts;
-    function computeLineAndCharacterOfPosition(lineStarts, position) {
-        var lineNumber = ts.binarySearch(lineStarts, position);
-        if (lineNumber < 0) {
-            lineNumber = ~lineNumber - 1;
-            ts.Debug.assert(lineNumber !== -1, "position cannot precede the beginning of the file");
-        }
-        return {
-            line: lineNumber,
-            character: position - lineStarts[lineNumber]
-        };
-    }
-    ts.computeLineAndCharacterOfPosition = computeLineAndCharacterOfPosition;
-    function getLineAndCharacterOfPosition(sourceFile, position) {
-        return computeLineAndCharacterOfPosition(getLineStarts(sourceFile), position);
-    }
-    ts.getLineAndCharacterOfPosition = getLineAndCharacterOfPosition;
-    function isWhiteSpaceLike(ch) {
-        return isWhiteSpaceSingleLine(ch) || isLineBreak(ch);
-    }
-    ts.isWhiteSpaceLike = isWhiteSpaceLike;
-    function isWhiteSpaceSingleLine(ch) {
-        return ch === 32 ||
-            ch === 9 ||
-            ch === 11 ||
-            ch === 12 ||
-            ch === 160 ||
-            ch === 133 ||
-            ch === 5760 ||
-            ch >= 8192 && ch <= 8203 ||
-            ch === 8239 ||
-            ch === 8287 ||
-            ch === 12288 ||
-            ch === 65279;
-    }
-    ts.isWhiteSpaceSingleLine = isWhiteSpaceSingleLine;
-    function isLineBreak(ch) {
-        return ch === 10 ||
-            ch === 13 ||
-            ch === 8232 ||
-            ch === 8233;
-    }
-    ts.isLineBreak = isLineBreak;
-    function isDigit(ch) {
-        return ch >= 48 && ch <= 57;
-    }
-    function isOctalDigit(ch) {
-        return ch >= 48 && ch <= 55;
-    }
-    ts.isOctalDigit = isOctalDigit;
-    function couldStartTrivia(text, pos) {
-        var ch = text.charCodeAt(pos);
-        switch (ch) {
-            case 13:
-            case 10:
-            case 9:
-            case 11:
-            case 12:
-            case 32:
-            case 47:
-            case 60:
-            case 124:
-            case 61:
-            case 62:
-                return true;
-            case 35:
-                return pos === 0;
-            default:
-                return ch > 127;
-        }
-    }
-    ts.couldStartTrivia = couldStartTrivia;
-    function skipTrivia(text, pos, stopAfterLineBreak, stopAtComments) {
-        if (stopAtComments === void 0) { stopAtComments = false; }
-        if (ts.positionIsSynthesized(pos)) {
-            return pos;
-        }
-        while (true) {
-            var ch = text.charCodeAt(pos);
-            switch (ch) {
-                case 13:
-                    if (text.charCodeAt(pos + 1) === 10) {
-                        pos++;
-                    }
-                case 10:
-                    pos++;
-                    if (stopAfterLineBreak) {
-                        return pos;
-                    }
-                    continue;
-                case 9:
-                case 11:
-                case 12:
-                case 32:
-                    pos++;
-                    continue;
-                case 47:
-                    if (stopAtComments) {
-                        break;
-                    }
-                    if (text.charCodeAt(pos + 1) === 47) {
-                        pos += 2;
-                        while (pos < text.length) {
-                            if (isLineBreak(text.charCodeAt(pos))) {
-                                break;
-                            }
-                            pos++;
-                        }
-                        continue;
-                    }
-                    if (text.charCodeAt(pos + 1) === 42) {
-                        pos += 2;
-                        while (pos < text.length) {
-                            if (text.charCodeAt(pos) === 42 && text.charCodeAt(pos + 1) === 47) {
-                                pos += 2;
-                                break;
-                            }
-                            pos++;
-                        }
-                        continue;
-                    }
-                    break;
-                case 60:
-                case 124:
-                case 61:
-                case 62:
-                    if (isConflictMarkerTrivia(text, pos)) {
-                        pos = scanConflictMarkerTrivia(text, pos);
-                        continue;
-                    }
-                    break;
-                case 35:
-                    if (pos === 0 && isShebangTrivia(text, pos)) {
-                        pos = scanShebangTrivia(text, pos);
-                        continue;
-                    }
-                    break;
-                default:
-                    if (ch > 127 && (isWhiteSpaceLike(ch))) {
-                        pos++;
-                        continue;
-                    }
-                    break;
-            }
-            return pos;
-        }
-    }
-    ts.skipTrivia = skipTrivia;
-    var mergeConflictMarkerLength = "<<<<<<<".length;
-    function isConflictMarkerTrivia(text, pos) {
-        ts.Debug.assert(pos >= 0);
-        if (pos === 0 || isLineBreak(text.charCodeAt(pos - 1))) {
-            var ch = text.charCodeAt(pos);
-            if ((pos + mergeConflictMarkerLength) < text.length) {
-                for (var i = 0; i < mergeConflictMarkerLength; i++) {
-                    if (text.charCodeAt(pos + i) !== ch) {
-                        return false;
-                    }
-                }
-                return ch === 61 ||
-                    text.charCodeAt(pos + mergeConflictMarkerLength) === 32;
-            }
-        }
-        return false;
-    }
-    function scanConflictMarkerTrivia(text, pos, error) {
-        if (error) {
-            error(ts.Diagnostics.Merge_conflict_marker_encountered, mergeConflictMarkerLength);
-        }
-        var ch = text.charCodeAt(pos);
-        var len = text.length;
-        if (ch === 60 || ch === 62) {
-            while (pos < len && !isLineBreak(text.charCodeAt(pos))) {
-                pos++;
-            }
-        }
-        else {
-            ts.Debug.assert(ch === 124 || ch === 61);
-            while (pos < len) {
-                var currentChar = text.charCodeAt(pos);
-                if ((currentChar === 61 || currentChar === 62) && currentChar !== ch && isConflictMarkerTrivia(text, pos)) {
-                    break;
-                }
-                pos++;
-            }
-        }
-        return pos;
-    }
-    var shebangTriviaRegex = /^#!.*/;
-    function isShebangTrivia(text, pos) {
-        ts.Debug.assert(pos === 0);
-        return shebangTriviaRegex.test(text);
-    }
-    function scanShebangTrivia(text, pos) {
-        var shebang = shebangTriviaRegex.exec(text)[0];
-        pos = pos + shebang.length;
-        return pos;
-    }
-    function iterateCommentRanges(reduce, text, pos, trailing, cb, state, initial) {
-        var pendingPos;
-        var pendingEnd;
-        var pendingKind;
-        var pendingHasTrailingNewLine;
-        var hasPendingCommentRange = false;
-        var collecting = trailing || pos === 0;
-        var accumulator = initial;
-        scan: while (pos >= 0 && pos < text.length) {
-            var ch = text.charCodeAt(pos);
-            switch (ch) {
-                case 13:
-                    if (text.charCodeAt(pos + 1) === 10) {
-                        pos++;
-                    }
-                case 10:
-                    pos++;
-                    if (trailing) {
-                        break scan;
-                    }
-                    collecting = true;
-                    if (hasPendingCommentRange) {
-                        pendingHasTrailingNewLine = true;
-                    }
-                    continue;
-                case 9:
-                case 11:
-                case 12:
-                case 32:
-                    pos++;
-                    continue;
-                case 47:
-                    var nextChar = text.charCodeAt(pos + 1);
-                    var hasTrailingNewLine = false;
-                    if (nextChar === 47 || nextChar === 42) {
-                        var kind = nextChar === 47 ? 2 : 3;
-                        var startPos = pos;
-                        pos += 2;
-                        if (nextChar === 47) {
-                            while (pos < text.length) {
-                                if (isLineBreak(text.charCodeAt(pos))) {
-                                    hasTrailingNewLine = true;
-                                    break;
-                                }
-                                pos++;
-                            }
-                        }
-                        else {
-                            while (pos < text.length) {
-                                if (text.charCodeAt(pos) === 42 && text.charCodeAt(pos + 1) === 47) {
-                                    pos += 2;
-                                    break;
-                                }
-                                pos++;
-                            }
-                        }
-                        if (collecting) {
-                            if (hasPendingCommentRange) {
-                                accumulator = cb(pendingPos, pendingEnd, pendingKind, pendingHasTrailingNewLine, state, accumulator);
-                                if (!reduce && accumulator) {
-                                    return accumulator;
-                                }
-                                hasPendingCommentRange = false;
-                            }
-                            pendingPos = startPos;
-                            pendingEnd = pos;
-                            pendingKind = kind;
-                            pendingHasTrailingNewLine = hasTrailingNewLine;
-                            hasPendingCommentRange = true;
-                        }
-                        continue;
-                    }
-                    break scan;
-                default:
-                    if (ch > 127 && (isWhiteSpaceLike(ch))) {
-                        if (hasPendingCommentRange && isLineBreak(ch)) {
-                            pendingHasTrailingNewLine = true;
-                        }
-                        pos++;
-                        continue;
-                    }
-                    break scan;
-            }
-        }
-        if (hasPendingCommentRange) {
-            accumulator = cb(pendingPos, pendingEnd, pendingKind, pendingHasTrailingNewLine, state, accumulator);
-        }
-        return accumulator;
-    }
-    function forEachLeadingCommentRange(text, pos, cb, state) {
-        return iterateCommentRanges(false, text, pos, false, cb, state);
-    }
-    ts.forEachLeadingCommentRange = forEachLeadingCommentRange;
-    function forEachTrailingCommentRange(text, pos, cb, state) {
-        return iterateCommentRanges(false, text, pos, true, cb, state);
-    }
-    ts.forEachTrailingCommentRange = forEachTrailingCommentRange;
-    function reduceEachLeadingCommentRange(text, pos, cb, state, initial) {
-        return iterateCommentRanges(true, text, pos, false, cb, state, initial);
-    }
-    ts.reduceEachLeadingCommentRange = reduceEachLeadingCommentRange;
-    function reduceEachTrailingCommentRange(text, pos, cb, state, initial) {
-        return iterateCommentRanges(true, text, pos, true, cb, state, initial);
-    }
-    ts.reduceEachTrailingCommentRange = reduceEachTrailingCommentRange;
-    function appendCommentRange(pos, end, kind, hasTrailingNewLine, _state, comments) {
-        if (!comments) {
-            comments = [];
-        }
-        comments.push({ kind: kind, pos: pos, end: end, hasTrailingNewLine: hasTrailingNewLine });
-        return comments;
-    }
-    function getLeadingCommentRanges(text, pos) {
-        return reduceEachLeadingCommentRange(text, pos, appendCommentRange, undefined, undefined);
-    }
-    ts.getLeadingCommentRanges = getLeadingCommentRanges;
-    function getTrailingCommentRanges(text, pos) {
-        return reduceEachTrailingCommentRange(text, pos, appendCommentRange, undefined, undefined);
-    }
-    ts.getTrailingCommentRanges = getTrailingCommentRanges;
-    function getShebang(text) {
-        var match = shebangTriviaRegex.exec(text);
-        if (match) {
-            return match[0];
-        }
-    }
-    ts.getShebang = getShebang;
-    function isIdentifierStart(ch, languageVersion) {
-        return ch >= 65 && ch <= 90 || ch >= 97 && ch <= 122 ||
-            ch === 36 || ch === 95 ||
-            ch > 127 && isUnicodeIdentifierStart(ch, languageVersion);
-    }
-    ts.isIdentifierStart = isIdentifierStart;
-    function isIdentifierPart(ch, languageVersion) {
-        return ch >= 65 && ch <= 90 || ch >= 97 && ch <= 122 ||
-            ch >= 48 && ch <= 57 || ch === 36 || ch === 95 ||
-            ch > 127 && isUnicodeIdentifierPart(ch, languageVersion);
-    }
-    ts.isIdentifierPart = isIdentifierPart;
-    function isIdentifierText(name, languageVersion) {
-        if (!isIdentifierStart(name.charCodeAt(0), languageVersion)) {
-            return false;
-        }
-        for (var i = 1; i < name.length; i++) {
-            if (!isIdentifierPart(name.charCodeAt(i), languageVersion)) {
-                return false;
-            }
-        }
-        return true;
-    }
-    ts.isIdentifierText = isIdentifierText;
-    function createScanner(languageVersion, skipTrivia, languageVariant, text, onError, start, length) {
-        if (languageVariant === void 0) { languageVariant = 0; }
-        var pos;
-        var end;
-        var startPos;
-        var tokenPos;
-        var token;
-        var tokenValue;
-        var precedingLineBreak;
-        var hasExtendedUnicodeEscape;
-        var tokenIsUnterminated;
-        var numericLiteralFlags;
-        setText(text, start, length);
-        return {
-            getStartPos: function () { return startPos; },
-            getTextPos: function () { return pos; },
-            getToken: function () { return token; },
-            getTokenPos: function () { return tokenPos; },
-            getTokenText: function () { return text.substring(tokenPos, pos); },
-            getTokenValue: function () { return tokenValue; },
-            hasExtendedUnicodeEscape: function () { return hasExtendedUnicodeEscape; },
-            hasPrecedingLineBreak: function () { return precedingLineBreak; },
-            isIdentifier: function () { return token === 71 || token > 107; },
-            isReservedWord: function () { return token >= 72 && token <= 107; },
-            isUnterminated: function () { return tokenIsUnterminated; },
-            getNumericLiteralFlags: function () { return numericLiteralFlags; },
-            reScanGreaterToken: reScanGreaterToken,
-            reScanSlashToken: reScanSlashToken,
-            reScanTemplateToken: reScanTemplateToken,
-            scanJsxIdentifier: scanJsxIdentifier,
-            scanJsxAttributeValue: scanJsxAttributeValue,
-            reScanJsxToken: reScanJsxToken,
-            scanJsxToken: scanJsxToken,
-            scanJSDocToken: scanJSDocToken,
-            scan: scan,
-            getText: getText,
-            setText: setText,
-            setScriptTarget: setScriptTarget,
-            setLanguageVariant: setLanguageVariant,
-            setOnError: setOnError,
-            setTextPos: setTextPos,
-            tryScan: tryScan,
-            lookAhead: lookAhead,
-            scanRange: scanRange,
-        };
-        function error(message, length) {
-            if (onError) {
-                onError(message, length || 0);
-            }
-        }
-        function scanNumber() {
-            var start = pos;
-            while (isDigit(text.charCodeAt(pos)))
-                pos++;
-            if (text.charCodeAt(pos) === 46) {
-                pos++;
-                while (isDigit(text.charCodeAt(pos)))
-                    pos++;
-            }
-            var end = pos;
-            if (text.charCodeAt(pos) === 69 || text.charCodeAt(pos) === 101) {
-                pos++;
-                numericLiteralFlags = 2;
-                if (text.charCodeAt(pos) === 43 || text.charCodeAt(pos) === 45)
-                    pos++;
-                if (isDigit(text.charCodeAt(pos))) {
-                    pos++;
-                    while (isDigit(text.charCodeAt(pos)))
-                        pos++;
-                    end = pos;
-                }
-                else {
-                    error(ts.Diagnostics.Digit_expected);
-                }
-            }
-            return "" + +(text.substring(start, end));
-        }
-        function scanOctalDigits() {
-            var start = pos;
-            while (isOctalDigit(text.charCodeAt(pos))) {
-                pos++;
-            }
-            return +(text.substring(start, pos));
-        }
-        function scanExactNumberOfHexDigits(count) {
-            return scanHexDigits(count, false);
-        }
-        function scanMinimumNumberOfHexDigits(count) {
-            return scanHexDigits(count, true);
-        }
-        function scanHexDigits(minCount, scanAsManyAsPossible) {
-            var digits = 0;
-            var value = 0;
-            while (digits < minCount || scanAsManyAsPossible) {
-                var ch = text.charCodeAt(pos);
-                if (ch >= 48 && ch <= 57) {
-                    value = value * 16 + ch - 48;
-                }
-                else if (ch >= 65 && ch <= 70) {
-                    value = value * 16 + ch - 65 + 10;
-                }
-                else if (ch >= 97 && ch <= 102) {
-                    value = value * 16 + ch - 97 + 10;
-                }
-                else {
-                    break;
-                }
-                pos++;
-                digits++;
-            }
-            if (digits < minCount) {
-                value = -1;
-            }
-            return value;
-        }
-        function scanString(allowEscapes) {
-            if (allowEscapes === void 0) { allowEscapes = true; }
-            var quote = text.charCodeAt(pos);
-            pos++;
-            var result = "";
-            var start = pos;
-            while (true) {
-                if (pos >= end) {
-                    result += text.substring(start, pos);
-                    tokenIsUnterminated = true;
-                    error(ts.Diagnostics.Unterminated_string_literal);
-                    break;
-                }
-                var ch = text.charCodeAt(pos);
-                if (ch === quote) {
-                    result += text.substring(start, pos);
-                    pos++;
-                    break;
-                }
-                if (ch === 92 && allowEscapes) {
-                    result += text.substring(start, pos);
-                    result += scanEscapeSequence();
-                    start = pos;
-                    continue;
-                }
-                if (isLineBreak(ch)) {
-                    result += text.substring(start, pos);
-                    tokenIsUnterminated = true;
-                    error(ts.Diagnostics.Unterminated_string_literal);
-                    break;
-                }
-                pos++;
-            }
-            return result;
-        }
-        function scanTemplateAndSetTokenValue() {
-            var startedWithBacktick = text.charCodeAt(pos) === 96;
-            pos++;
-            var start = pos;
-            var contents = "";
-            var resultingToken;
-            while (true) {
-                if (pos >= end) {
-                    contents += text.substring(start, pos);
-                    tokenIsUnterminated = true;
-                    error(ts.Diagnostics.Unterminated_template_literal);
-                    resultingToken = startedWithBacktick ? 13 : 16;
-                    break;
-                }
-                var currChar = text.charCodeAt(pos);
-                if (currChar === 96) {
-                    contents += text.substring(start, pos);
-                    pos++;
-                    resultingToken = startedWithBacktick ? 13 : 16;
-                    break;
-                }
-                if (currChar === 36 && pos + 1 < end && text.charCodeAt(pos + 1) === 123) {
-                    contents += text.substring(start, pos);
-                    pos += 2;
-                    resultingToken = startedWithBacktick ? 14 : 15;
-                    break;
-                }
-                if (currChar === 92) {
-                    contents += text.substring(start, pos);
-                    contents += scanEscapeSequence();
-                    start = pos;
-                    continue;
-                }
-                if (currChar === 13) {
-                    contents += text.substring(start, pos);
-                    pos++;
-                    if (pos < end && text.charCodeAt(pos) === 10) {
-                        pos++;
-                    }
-                    contents += "\n";
-                    start = pos;
-                    continue;
-                }
-                pos++;
-            }
-            ts.Debug.assert(resultingToken !== undefined);
-            tokenValue = contents;
-            return resultingToken;
-        }
-        function scanEscapeSequence() {
-            pos++;
-            if (pos >= end) {
-                error(ts.Diagnostics.Unexpected_end_of_text);
-                return "";
-            }
-            var ch = text.charCodeAt(pos);
-            pos++;
-            switch (ch) {
-                case 48:
-                    return "\0";
-                case 98:
-                    return "\b";
-                case 116:
-                    return "\t";
-                case 110:
-                    return "\n";
-                case 118:
-                    return "\v";
-                case 102:
-                    return "\f";
-                case 114:
-                    return "\r";
-                case 39:
-                    return "\'";
-                case 34:
-                    return "\"";
-                case 117:
-                    if (pos < end && text.charCodeAt(pos) === 123) {
-                        hasExtendedUnicodeEscape = true;
-                        pos++;
-                        return scanExtendedUnicodeEscape();
-                    }
-                    return scanHexadecimalEscape(4);
-                case 120:
-                    return scanHexadecimalEscape(2);
-                case 13:
-                    if (pos < end && text.charCodeAt(pos) === 10) {
-                        pos++;
-                    }
-                case 10:
-                case 8232:
-                case 8233:
-                    return "";
-                default:
-                    return String.fromCharCode(ch);
-            }
-        }
-        function scanHexadecimalEscape(numDigits) {
-            var escapedValue = scanExactNumberOfHexDigits(numDigits);
-            if (escapedValue >= 0) {
-                return String.fromCharCode(escapedValue);
-            }
-            else {
-                error(ts.Diagnostics.Hexadecimal_digit_expected);
-                return "";
-            }
-        }
-        function scanExtendedUnicodeEscape() {
-            var escapedValue = scanMinimumNumberOfHexDigits(1);
-            var isInvalidExtendedEscape = false;
-            if (escapedValue < 0) {
-                error(ts.Diagnostics.Hexadecimal_digit_expected);
-                isInvalidExtendedEscape = true;
-            }
-            else if (escapedValue > 0x10FFFF) {
-                error(ts.Diagnostics.An_extended_Unicode_escape_value_must_be_between_0x0_and_0x10FFFF_inclusive);
-                isInvalidExtendedEscape = true;
-            }
-            if (pos >= end) {
-                error(ts.Diagnostics.Unexpected_end_of_text);
-                isInvalidExtendedEscape = true;
-            }
-            else if (text.charCodeAt(pos) === 125) {
-                pos++;
-            }
-            else {
-                error(ts.Diagnostics.Unterminated_Unicode_escape_sequence);
-                isInvalidExtendedEscape = true;
-            }
-            if (isInvalidExtendedEscape) {
-                return "";
-            }
-            return utf16EncodeAsString(escapedValue);
-        }
-        function utf16EncodeAsString(codePoint) {
-            ts.Debug.assert(0x0 <= codePoint && codePoint <= 0x10FFFF);
-            if (codePoint <= 65535) {
-                return String.fromCharCode(codePoint);
-            }
-            var codeUnit1 = Math.floor((codePoint - 65536) / 1024) + 0xD800;
-            var codeUnit2 = ((codePoint - 65536) % 1024) + 0xDC00;
-            return String.fromCharCode(codeUnit1, codeUnit2);
-        }
-        function peekUnicodeEscape() {
-            if (pos + 5 < end && text.charCodeAt(pos + 1) === 117) {
-                var start_1 = pos;
-                pos += 2;
-                var value = scanExactNumberOfHexDigits(4);
-                pos = start_1;
-                return value;
-            }
-            return -1;
-        }
-        function scanIdentifierParts() {
-            var result = "";
-            var start = pos;
-            while (pos < end) {
-                var ch = text.charCodeAt(pos);
-                if (isIdentifierPart(ch, languageVersion)) {
-                    pos++;
-                }
-                else if (ch === 92) {
-                    ch = peekUnicodeEscape();
-                    if (!(ch >= 0 && isIdentifierPart(ch, languageVersion))) {
-                        break;
-                    }
-                    result += text.substring(start, pos);
-                    result += String.fromCharCode(ch);
-                    pos += 6;
-                    start = pos;
-                }
-                else {
-                    break;
-                }
-            }
-            result += text.substring(start, pos);
-            return result;
-        }
-        function getIdentifierToken() {
-            var len = tokenValue.length;
-            if (len >= 2 && len <= 11) {
-                var ch = tokenValue.charCodeAt(0);
-                if (ch >= 97 && ch <= 122) {
-                    token = textToToken.get(tokenValue);
-                    if (token !== undefined) {
-                        return token;
-                    }
-                }
-            }
-            return token = 71;
-        }
-        function scanBinaryOrOctalDigits(base) {
-            ts.Debug.assert(base === 2 || base === 8, "Expected either base 2 or base 8");
-            var value = 0;
-            var numberOfDigits = 0;
-            while (true) {
-                var ch = text.charCodeAt(pos);
-                var valueOfCh = ch - 48;
-                if (!isDigit(ch) || valueOfCh >= base) {
-                    break;
-                }
-                value = value * base + valueOfCh;
-                pos++;
-                numberOfDigits++;
-            }
-            if (numberOfDigits === 0) {
-                return -1;
-            }
-            return value;
-        }
-        function scan() {
-            startPos = pos;
-            hasExtendedUnicodeEscape = false;
-            precedingLineBreak = false;
-            tokenIsUnterminated = false;
-            numericLiteralFlags = 0;
-            while (true) {
-                tokenPos = pos;
-                if (pos >= end) {
-                    return token = 1;
-                }
-                var ch = text.charCodeAt(pos);
-                if (ch === 35 && pos === 0 && isShebangTrivia(text, pos)) {
-                    pos = scanShebangTrivia(text, pos);
-                    if (skipTrivia) {
-                        continue;
-                    }
-                    else {
-                        return token = 6;
-                    }
-                }
-                switch (ch) {
-                    case 10:
-                    case 13:
-                        precedingLineBreak = true;
-                        if (skipTrivia) {
-                            pos++;
-                            continue;
-                        }
-                        else {
-                            if (ch === 13 && pos + 1 < end && text.charCodeAt(pos + 1) === 10) {
-                                pos += 2;
-                            }
-                            else {
-                                pos++;
-                            }
-                            return token = 4;
-                        }
-                    case 9:
-                    case 11:
-                    case 12:
-                    case 32:
-                        if (skipTrivia) {
-                            pos++;
-                            continue;
-                        }
-                        else {
-                            while (pos < end && isWhiteSpaceSingleLine(text.charCodeAt(pos))) {
-                                pos++;
-                            }
-                            return token = 5;
-                        }
-                    case 33:
-                        if (text.charCodeAt(pos + 1) === 61) {
-                            if (text.charCodeAt(pos + 2) === 61) {
-                                return pos += 3, token = 35;
-                            }
-                            return pos += 2, token = 33;
-                        }
-                        pos++;
-                        return token = 51;
-                    case 34:
-                    case 39:
-                        tokenValue = scanString();
-                        return token = 9;
-                    case 96:
-                        return token = scanTemplateAndSetTokenValue();
-                    case 37:
-                        if (text.charCodeAt(pos + 1) === 61) {
-                            return pos += 2, token = 64;
-                        }
-                        pos++;
-                        return token = 42;
-                    case 38:
-                        if (text.charCodeAt(pos + 1) === 38) {
-                            return pos += 2, token = 53;
-                        }
-                        if (text.charCodeAt(pos + 1) === 61) {
-                            return pos += 2, token = 68;
-                        }
-                        pos++;
-                        return token = 48;
-                    case 40:
-                        pos++;
-                        return token = 19;
-                    case 41:
-                        pos++;
-                        return token = 20;
-                    case 42:
-                        if (text.charCodeAt(pos + 1) === 61) {
-                            return pos += 2, token = 61;
-                        }
-                        if (text.charCodeAt(pos + 1) === 42) {
-                            if (text.charCodeAt(pos + 2) === 61) {
-                                return pos += 3, token = 62;
-                            }
-                            return pos += 2, token = 40;
-                        }
-                        pos++;
-                        return token = 39;
-                    case 43:
-                        if (text.charCodeAt(pos + 1) === 43) {
-                            return pos += 2, token = 43;
-                        }
-                        if (text.charCodeAt(pos + 1) === 61) {
-                            return pos += 2, token = 59;
-                        }
-                        pos++;
-                        return token = 37;
-                    case 44:
-                        pos++;
-                        return token = 26;
-                    case 45:
-                        if (text.charCodeAt(pos + 1) === 45) {
-                            return pos += 2, token = 44;
-                        }
-                        if (text.charCodeAt(pos + 1) === 61) {
-                            return pos += 2, token = 60;
-                        }
-                        pos++;
-                        return token = 38;
-                    case 46:
-                        if (isDigit(text.charCodeAt(pos + 1))) {
-                            tokenValue = scanNumber();
-                            return token = 8;
-                        }
-                        if (text.charCodeAt(pos + 1) === 46 && text.charCodeAt(pos + 2) === 46) {
-                            return pos += 3, token = 24;
-                        }
-                        pos++;
-                        return token = 23;
-                    case 47:
-                        if (text.charCodeAt(pos + 1) === 47) {
-                            pos += 2;
-                            while (pos < end) {
-                                if (isLineBreak(text.charCodeAt(pos))) {
-                                    break;
-                                }
-                                pos++;
-                            }
-                            if (skipTrivia) {
-                                continue;
-                            }
-                            else {
-                                return token = 2;
-                            }
-                        }
-                        if (text.charCodeAt(pos + 1) === 42) {
-                            pos += 2;
-                            var commentClosed = false;
-                            while (pos < end) {
-                                var ch_1 = text.charCodeAt(pos);
-                                if (ch_1 === 42 && text.charCodeAt(pos + 1) === 47) {
-                                    pos += 2;
-                                    commentClosed = true;
-                                    break;
-                                }
-                                if (isLineBreak(ch_1)) {
-                                    precedingLineBreak = true;
-                                }
-                                pos++;
-                            }
-                            if (!commentClosed) {
-                                error(ts.Diagnostics.Asterisk_Slash_expected);
-                            }
-                            if (skipTrivia) {
-                                continue;
-                            }
-                            else {
-                                tokenIsUnterminated = !commentClosed;
-                                return token = 3;
-                            }
-                        }
-                        if (text.charCodeAt(pos + 1) === 61) {
-                            return pos += 2, token = 63;
-                        }
-                        pos++;
-                        return token = 41;
-                    case 48:
-                        if (pos + 2 < end && (text.charCodeAt(pos + 1) === 88 || text.charCodeAt(pos + 1) === 120)) {
-                            pos += 2;
-                            var value = scanMinimumNumberOfHexDigits(1);
-                            if (value < 0) {
-                                error(ts.Diagnostics.Hexadecimal_digit_expected);
-                                value = 0;
-                            }
-                            tokenValue = "" + value;
-                            numericLiteralFlags = 8;
-                            return token = 8;
-                        }
-                        else if (pos + 2 < end && (text.charCodeAt(pos + 1) === 66 || text.charCodeAt(pos + 1) === 98)) {
-                            pos += 2;
-                            var value = scanBinaryOrOctalDigits(2);
-                            if (value < 0) {
-                                error(ts.Diagnostics.Binary_digit_expected);
-                                value = 0;
-                            }
-                            tokenValue = "" + value;
-                            numericLiteralFlags = 16;
-                            return token = 8;
-                        }
-                        else if (pos + 2 < end && (text.charCodeAt(pos + 1) === 79 || text.charCodeAt(pos + 1) === 111)) {
-                            pos += 2;
-                            var value = scanBinaryOrOctalDigits(8);
-                            if (value < 0) {
-                                error(ts.Diagnostics.Octal_digit_expected);
-                                value = 0;
-                            }
-                            tokenValue = "" + value;
-                            numericLiteralFlags = 32;
-                            return token = 8;
-                        }
-                        if (pos + 1 < end && isOctalDigit(text.charCodeAt(pos + 1))) {
-                            tokenValue = "" + scanOctalDigits();
-                            numericLiteralFlags = 4;
-                            return token = 8;
-                        }
-                    case 49:
-                    case 50:
-                    case 51:
-                    case 52:
-                    case 53:
-                    case 54:
-                    case 55:
-                    case 56:
-                    case 57:
-                        tokenValue = scanNumber();
-                        return token = 8;
-                    case 58:
-                        pos++;
-                        return token = 56;
-                    case 59:
-                        pos++;
-                        return token = 25;
-                    case 60:
-                        if (isConflictMarkerTrivia(text, pos)) {
-                            pos = scanConflictMarkerTrivia(text, pos, error);
-                            if (skipTrivia) {
-                                continue;
-                            }
-                            else {
-                                return token = 7;
-                            }
-                        }
-                        if (text.charCodeAt(pos + 1) === 60) {
-                            if (text.charCodeAt(pos + 2) === 61) {
-                                return pos += 3, token = 65;
-                            }
-                            return pos += 2, token = 45;
-                        }
-                        if (text.charCodeAt(pos + 1) === 61) {
-                            return pos += 2, token = 30;
-                        }
-                        if (languageVariant === 1 &&
-                            text.charCodeAt(pos + 1) === 47 &&
-                            text.charCodeAt(pos + 2) !== 42) {
-                            return pos += 2, token = 28;
-                        }
-                        pos++;
-                        return token = 27;
-                    case 61:
-                        if (isConflictMarkerTrivia(text, pos)) {
-                            pos = scanConflictMarkerTrivia(text, pos, error);
-                            if (skipTrivia) {
-                                continue;
-                            }
-                            else {
-                                return token = 7;
-                            }
-                        }
-                        if (text.charCodeAt(pos + 1) === 61) {
-                            if (text.charCodeAt(pos + 2) === 61) {
-                                return pos += 3, token = 34;
-                            }
-                            return pos += 2, token = 32;
-                        }
-                        if (text.charCodeAt(pos + 1) === 62) {
-                            return pos += 2, token = 36;
-                        }
-                        pos++;
-                        return token = 58;
-                    case 62:
-                        if (isConflictMarkerTrivia(text, pos)) {
-                            pos = scanConflictMarkerTrivia(text, pos, error);
-                            if (skipTrivia) {
-                                continue;
-                            }
-                            else {
-                                return token = 7;
-                            }
-                        }
-                        pos++;
-                        return token = 29;
-                    case 63:
-                        pos++;
-                        return token = 55;
-                    case 91:
-                        pos++;
-                        return token = 21;
-                    case 93:
-                        pos++;
-                        return token = 22;
-                    case 94:
-                        if (text.charCodeAt(pos + 1) === 61) {
-                            return pos += 2, token = 70;
-                        }
-                        pos++;
-                        return token = 50;
-                    case 123:
-                        pos++;
-                        return token = 17;
-                    case 124:
-                        if (isConflictMarkerTrivia(text, pos)) {
-                            pos = scanConflictMarkerTrivia(text, pos, error);
-                            if (skipTrivia) {
-                                continue;
-                            }
-                            else {
-                                return token = 7;
-                            }
-                        }
-                        if (text.charCodeAt(pos + 1) === 124) {
-                            return pos += 2, token = 54;
-                        }
-                        if (text.charCodeAt(pos + 1) === 61) {
-                            return pos += 2, token = 69;
-                        }
-                        pos++;
-                        return token = 49;
-                    case 125:
-                        pos++;
-                        return token = 18;
-                    case 126:
-                        pos++;
-                        return token = 52;
-                    case 64:
-                        pos++;
-                        return token = 57;
-                    case 92:
-                        var cookedChar = peekUnicodeEscape();
-                        if (cookedChar >= 0 && isIdentifierStart(cookedChar, languageVersion)) {
-                            pos += 6;
-                            tokenValue = String.fromCharCode(cookedChar) + scanIdentifierParts();
-                            return token = getIdentifierToken();
-                        }
-                        error(ts.Diagnostics.Invalid_character);
-                        pos++;
-                        return token = 0;
-                    default:
-                        if (isIdentifierStart(ch, languageVersion)) {
-                            pos++;
-                            while (pos < end && isIdentifierPart(ch = text.charCodeAt(pos), languageVersion))
-                                pos++;
-                            tokenValue = text.substring(tokenPos, pos);
-                            if (ch === 92) {
-                                tokenValue += scanIdentifierParts();
-                            }
-                            return token = getIdentifierToken();
-                        }
-                        else if (isWhiteSpaceSingleLine(ch)) {
-                            pos++;
-                            continue;
-                        }
-                        else if (isLineBreak(ch)) {
-                            precedingLineBreak = true;
-                            pos++;
-                            continue;
-                        }
-                        error(ts.Diagnostics.Invalid_character);
-                        pos++;
-                        return token = 0;
-                }
-            }
-        }
-        function reScanGreaterToken() {
-            if (token === 29) {
-                if (text.charCodeAt(pos) === 62) {
-                    if (text.charCodeAt(pos + 1) === 62) {
-                        if (text.charCodeAt(pos + 2) === 61) {
-                            return pos += 3, token = 67;
-                        }
-                        return pos += 2, token = 47;
-                    }
-                    if (text.charCodeAt(pos + 1) === 61) {
-                        return pos += 2, token = 66;
-                    }
-                    pos++;
-                    return token = 46;
-                }
-                if (text.charCodeAt(pos) === 61) {
-                    pos++;
-                    return token = 31;
-                }
-            }
-            return token;
-        }
-        function reScanSlashToken() {
-            if (token === 41 || token === 63) {
-                var p = tokenPos + 1;
-                var inEscape = false;
-                var inCharacterClass = false;
-                while (true) {
-                    if (p >= end) {
-                        tokenIsUnterminated = true;
-                        error(ts.Diagnostics.Unterminated_regular_expression_literal);
-                        break;
-                    }
-                    var ch = text.charCodeAt(p);
-                    if (isLineBreak(ch)) {
-                        tokenIsUnterminated = true;
-                        error(ts.Diagnostics.Unterminated_regular_expression_literal);
-                        break;
-                    }
-                    if (inEscape) {
-                        inEscape = false;
-                    }
-                    else if (ch === 47 && !inCharacterClass) {
-                        p++;
-                        break;
-                    }
-                    else if (ch === 91) {
-                        inCharacterClass = true;
-                    }
-                    else if (ch === 92) {
-                        inEscape = true;
-                    }
-                    else if (ch === 93) {
-                        inCharacterClass = false;
-                    }
-                    p++;
-                }
-                while (p < end && isIdentifierPart(text.charCodeAt(p), languageVersion)) {
-                    p++;
-                }
-                pos = p;
-                tokenValue = text.substring(tokenPos, pos);
-                token = 12;
-            }
-            return token;
-        }
-        function reScanTemplateToken() {
-            ts.Debug.assert(token === 18, "'reScanTemplateToken' should only be called on a '}'");
-            pos = tokenPos;
-            return token = scanTemplateAndSetTokenValue();
-        }
-        function reScanJsxToken() {
-            pos = tokenPos = startPos;
-            return token = scanJsxToken();
-        }
-        function scanJsxToken() {
-            startPos = tokenPos = pos;
-            if (pos >= end) {
-                return token = 1;
-            }
-            var char = text.charCodeAt(pos);
-            if (char === 60) {
-                if (text.charCodeAt(pos + 1) === 47) {
-                    pos += 2;
-                    return token = 28;
-                }
-                pos++;
-                return token = 27;
-            }
-            if (char === 123) {
-                pos++;
-                return token = 17;
-            }
-            var firstNonWhitespace = 0;
-            while (pos < end) {
-                char = text.charCodeAt(pos);
-                if (char === 123) {
-                    break;
-                }
-                if (char === 60) {
-                    if (isConflictMarkerTrivia(text, pos)) {
-                        pos = scanConflictMarkerTrivia(text, pos, error);
-                        return token = 7;
-                    }
-                    break;
-                }
-                if (isLineBreak(char) && firstNonWhitespace === 0) {
-                    firstNonWhitespace = -1;
-                }
-                else if (!isWhiteSpaceLike(char)) {
-                    firstNonWhitespace = pos;
-                }
-                pos++;
-            }
-            return firstNonWhitespace === -1 ? 11 : 10;
-        }
-        function scanJsxIdentifier() {
-            if (tokenIsIdentifierOrKeyword(token)) {
-                var firstCharPosition = pos;
-                while (pos < end) {
-                    var ch = text.charCodeAt(pos);
-                    if (ch === 45 || ((firstCharPosition === pos) ? isIdentifierStart(ch, languageVersion) : isIdentifierPart(ch, languageVersion))) {
-                        pos++;
-                    }
-                    else {
-                        break;
-                    }
-                }
-                tokenValue += text.substr(firstCharPosition, pos - firstCharPosition);
-            }
-            return token;
-        }
-        function scanJsxAttributeValue() {
-            startPos = pos;
-            switch (text.charCodeAt(pos)) {
-                case 34:
-                case 39:
-                    tokenValue = scanString(false);
-                    return token = 9;
-                default:
-                    return scan();
-            }
-        }
-        function scanJSDocToken() {
-            if (pos >= end) {
-                return token = 1;
-            }
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-                case 11:
-                case 12:
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-                    return token = 57;
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-                case 13:
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-                case 42:
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-                case 123:
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-            var saveToken = token;
-            var saveTokenValue = tokenValue;
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-            return result;
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-        function scanRange(start, length, callback) {
-            var saveEnd = end;
-            var savePos = pos;
-            var saveStartPos = startPos;
-            var saveTokenPos = tokenPos;
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-            var savePrecedingLineBreak = precedingLineBreak;
-            var saveTokenValue = tokenValue;
-            var saveHasExtendedUnicodeEscape = hasExtendedUnicodeEscape;
-            var saveTokenIsUnterminated = tokenIsUnterminated;
-            setText(text, start, length);
-            var result = callback();
-            end = saveEnd;
-            pos = savePos;
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-            precedingLineBreak = savePrecedingLineBreak;
-            tokenValue = saveTokenValue;
-            hasExtendedUnicodeEscape = saveHasExtendedUnicodeEscape;
-            tokenIsUnterminated = saveTokenIsUnterminated;
-            return result;
-        }
-        function lookAhead(callback) {
-            return speculationHelper(callback, true);
-        }
-        function tryScan(callback) {
-            return speculationHelper(callback, false);
-        }
-        function getText() {
-            return text;
-        }
-        function setText(newText, start, length) {
-            text = newText || "";
-            end = length === undefined ? text.length : start + length;
-            setTextPos(start || 0);
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-        function setOnError(errorCallback) {
-            onError = errorCallback;
-        }
-        function setScriptTarget(scriptTarget) {
-            languageVersion = scriptTarget;
-        }
-        function setLanguageVariant(variant) {
-            languageVariant = variant;
-        }
-        function setTextPos(textPos) {
-            ts.Debug.assert(textPos >= 0);
-            pos = textPos;
-            startPos = textPos;
-            tokenPos = textPos;
-            token = 0;
-            precedingLineBreak = false;
-            tokenValue = undefined;
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-            tokenIsUnterminated = false;
-        }
-    }
-    ts.createScanner = createScanner;
-})(ts || (ts = {}));
-var ts;
-(function (ts) {
-    ts.compileOnSaveCommandLineOption = { name: "compileOnSave", type: "boolean" };
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-            shortName: "h",
-            type: "boolean",
-            showInSimplifiedHelpView: true,
-            category: ts.Diagnostics.Command_line_Options,
-            description: ts.Diagnostics.Print_this_message,
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-        {
-            name: "help",
-            shortName: "?",
-            type: "boolean"
-        },
-        {
-            name: "all",
-            type: "boolean",
-            showInSimplifiedHelpView: true,
-            category: ts.Diagnostics.Command_line_Options,
-            description: ts.Diagnostics.Show_all_compiler_options,
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-            name: "version",
-            shortName: "v",
-            type: "boolean",
-            showInSimplifiedHelpView: true,
-            category: ts.Diagnostics.Command_line_Options,
-            description: ts.Diagnostics.Print_the_compiler_s_version,
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-            name: "init",
-            type: "boolean",
-            showInSimplifiedHelpView: true,
-            category: ts.Diagnostics.Command_line_Options,
-            description: ts.Diagnostics.Initializes_a_TypeScript_project_and_creates_a_tsconfig_json_file,
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-            isFilePath: true,
-            showInSimplifiedHelpView: true,
-            category: ts.Diagnostics.Command_line_Options,
-            paramType: ts.Diagnostics.FILE_OR_DIRECTORY,
-            description: ts.Diagnostics.Compile_the_project_given_the_path_to_its_configuration_file_or_to_a_folder_with_a_tsconfig_json,
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-            type: "boolean",
-            showInSimplifiedHelpView: true,
-            category: ts.Diagnostics.Command_line_Options,
-            description: ts.Diagnostics.Stylize_errors_and_messages_using_color_and_context_experimental
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-            name: "watch",
-            shortName: "w",
-            type: "boolean",
-            showInSimplifiedHelpView: true,
-            category: ts.Diagnostics.Command_line_Options,
-            description: ts.Diagnostics.Watch_input_files,
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-        {
-            name: "target",
-            shortName: "t",
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-                "es3": 0,
-                "es5": 1,
-                "es6": 2,
-                "es2015": 2,
-                "es2016": 3,
-                "es2017": 4,
-                "esnext": 5,
-            }),
-            paramType: ts.Diagnostics.VERSION,
-            showInSimplifiedHelpView: true,
-            category: ts.Diagnostics.Basic_Options,
-            description: ts.Diagnostics.Specify_ECMAScript_target_version_Colon_ES3_default_ES5_ES2015_ES2016_ES2017_or_ESNEXT,
-        },
-        {
-            name: "module",
-            shortName: "m",
-            type: ts.createMapFromTemplate({
-                "none": ts.ModuleKind.None,
-                "commonjs": ts.ModuleKind.CommonJS,
-                "amd": ts.ModuleKind.AMD,
-                "system": ts.ModuleKind.System,
-                "umd": ts.ModuleKind.UMD,
-                "es6": ts.ModuleKind.ES2015,
-                "es2015": ts.ModuleKind.ES2015,
-                "esnext": ts.ModuleKind.ESNext
-            }),
-            paramType: ts.Diagnostics.KIND,
-            showInSimplifiedHelpView: true,
-            category: ts.Diagnostics.Basic_Options,
-            description: ts.Diagnostics.Specify_module_code_generation_Colon_commonjs_amd_system_umd_es2015_or_ESNext,
-        },
-        {
-            name: "lib",
-            type: "list",
-            element: {
-                name: "lib",
-                type: ts.createMapFromTemplate({
-                    "es5": "lib.es5.d.ts",
-                    "es6": "lib.es2015.d.ts",
-                    "es2015": "lib.es2015.d.ts",
-                    "es7": "lib.es2016.d.ts",
-                    "es2016": "lib.es2016.d.ts",
-                    "es2017": "lib.es2017.d.ts",
-                    "esnext": "lib.esnext.d.ts",
-                    "dom": "lib.dom.d.ts",
-                    "dom.iterable": "lib.dom.iterable.d.ts",
-                    "webworker": "lib.webworker.d.ts",
-                    "scripthost": "lib.scripthost.d.ts",
-                    "es2015.core": "lib.es2015.core.d.ts",
-                    "es2015.collection": "lib.es2015.collection.d.ts",
-                    "es2015.generator": "lib.es2015.generator.d.ts",
-                    "es2015.iterable": "lib.es2015.iterable.d.ts",
-                    "es2015.promise": "lib.es2015.promise.d.ts",
-                    "es2015.proxy": "lib.es2015.proxy.d.ts",
-                    "es2015.reflect": "lib.es2015.reflect.d.ts",
-                    "es2015.symbol": "lib.es2015.symbol.d.ts",
-                    "es2015.symbol.wellknown": "lib.es2015.symbol.wellknown.d.ts",
-                    "es2016.array.include": "lib.es2016.array.include.d.ts",
-                    "es2017.object": "lib.es2017.object.d.ts",
-                    "es2017.sharedmemory": "lib.es2017.sharedmemory.d.ts",
-                    "es2017.string": "lib.es2017.string.d.ts",
-                    "es2017.intl": "lib.es2017.intl.d.ts",
-                    "esnext.asynciterable": "lib.esnext.asynciterable.d.ts",
-                }),
-            },
-            showInSimplifiedHelpView: true,
-            category: ts.Diagnostics.Basic_Options,
-            description: ts.Diagnostics.Specify_library_files_to_be_included_in_the_compilation_Colon
-        },
-        {
-            name: "allowJs",
-            type: "boolean",
-            showInSimplifiedHelpView: true,
-            category: ts.Diagnostics.Basic_Options,
-            description: ts.Diagnostics.Allow_javascript_files_to_be_compiled
-        },
-        {
-            name: "checkJs",
-            type: "boolean",
-            category: ts.Diagnostics.Basic_Options,
-            description: ts.Diagnostics.Report_errors_in_js_files
-        },
-        {
-            name: "jsx",
-            type: ts.createMapFromTemplate({
-                "preserve": 1,
-                "react-native": 3,
-                "react": 2
-            }),
-            paramType: ts.Diagnostics.KIND,
-            showInSimplifiedHelpView: true,
-            category: ts.Diagnostics.Basic_Options,
-            description: ts.Diagnostics.Specify_JSX_code_generation_Colon_preserve_react_native_or_react,
-        },
-        {
-            name: "declaration",
-            shortName: "d",
-            type: "boolean",
-            showInSimplifiedHelpView: true,
-            category: ts.Diagnostics.Basic_Options,
-            description: ts.Diagnostics.Generates_corresponding_d_ts_file,
-        },
-        {
-            name: "sourceMap",
-            type: "boolean",
-            showInSimplifiedHelpView: true,
-            category: ts.Diagnostics.Basic_Options,
-            description: ts.Diagnostics.Generates_corresponding_map_file,
-        },
-        {
-            name: "outFile",
-            type: "string",
-            isFilePath: true,
-            paramType: ts.Diagnostics.FILE,
-            showInSimplifiedHelpView: true,
-            category: ts.Diagnostics.Basic_Options,
-            description: ts.Diagnostics.Concatenate_and_emit_output_to_single_file,
-        },
-        {
-            name: "outDir",
-            type: "string",
-            isFilePath: true,
-            paramType: ts.Diagnostics.DIRECTORY,
-            showInSimplifiedHelpView: true,
-            category: ts.Diagnostics.Basic_Options,
-            description: ts.Diagnostics.Redirect_output_structure_to_the_directory,
-        },
-        {
-            name: "rootDir",
-            type: "string",
-            isFilePath: true,
-            paramType: ts.Diagnostics.LOCATION,
-            category: ts.Diagnostics.Basic_Options,
-            description: ts.Diagnostics.Specify_the_root_directory_of_input_files_Use_to_control_the_output_directory_structure_with_outDir,
-        },
-        {
-            name: "removeComments",
-            type: "boolean",
-            showInSimplifiedHelpView: true,
-            category: ts.Diagnostics.Basic_Options,
-            description: ts.Diagnostics.Do_not_emit_comments_to_output,
-        },
-        {
-            name: "noEmit",
-            type: "boolean",
-            showInSimplifiedHelpView: true,
-            category: ts.Diagnostics.Basic_Options,
-            description: ts.Diagnostics.Do_not_emit_outputs,
-        },
-        {
-            name: "importHelpers",
-            type: "boolean",
-            category: ts.Diagnostics.Basic_Options,
-            description: ts.Diagnostics.Import_emit_helpers_from_tslib
-        },
-        {
-            name: "downlevelIteration",
-            type: "boolean",
-            category: ts.Diagnostics.Basic_Options,
-            description: ts.Diagnostics.Provide_full_support_for_iterables_in_for_of_spread_and_destructuring_when_targeting_ES5_or_ES3
-        },
-        {
-            name: "isolatedModules",
-            type: "boolean",
-            category: ts.Diagnostics.Basic_Options,
-            description: ts.Diagnostics.Transpile_each_file_as_a_separate_module_similar_to_ts_transpileModule
-        },
-        {
-            name: "strict",
-            type: "boolean",
-            showInSimplifiedHelpView: true,
-            category: ts.Diagnostics.Strict_Type_Checking_Options,
-            description: ts.Diagnostics.Enable_all_strict_type_checking_options
-        },
-        {
-            name: "noImplicitAny",
-            type: "boolean",
-            showInSimplifiedHelpView: true,
-            category: ts.Diagnostics.Strict_Type_Checking_Options,
-            description: ts.Diagnostics.Raise_error_on_expressions_and_declarations_with_an_implied_any_type,
-        },
-        {
-            name: "strictNullChecks",
-            type: "boolean",
-            showInSimplifiedHelpView: true,
-            category: ts.Diagnostics.Strict_Type_Checking_Options,
-            description: ts.Diagnostics.Enable_strict_null_checks
-        },
-        {
-            name: "noImplicitThis",
-            type: "boolean",
-            showInSimplifiedHelpView: true,
-            category: ts.Diagnostics.Strict_Type_Checking_Options,
-            description: ts.Diagnostics.Raise_error_on_this_expressions_with_an_implied_any_type,
-        },
-        {
-            name: "alwaysStrict",
-            type: "boolean",
-            showInSimplifiedHelpView: true,
-            category: ts.Diagnostics.Strict_Type_Checking_Options,
-            description: ts.Diagnostics.Parse_in_strict_mode_and_emit_use_strict_for_each_source_file
-        },
-        {
-            name: "noUnusedLocals",
-            type: "boolean",
-            showInSimplifiedHelpView: true,
-            category: ts.Diagnostics.Additional_Checks,
-            description: ts.Diagnostics.Report_errors_on_unused_locals,
-        },
-        {
-            name: "noUnusedParameters",
-            type: "boolean",
-            showInSimplifiedHelpView: true,
-            category: ts.Diagnostics.Additional_Checks,
-            description: ts.Diagnostics.Report_errors_on_unused_parameters,
-        },
-        {
-            name: "noImplicitReturns",
-            type: "boolean",
-            showInSimplifiedHelpView: true,
-            category: ts.Diagnostics.Additional_Checks,
-            description: ts.Diagnostics.Report_error_when_not_all_code_paths_in_function_return_a_value
-        },
-        {
-            name: "noFallthroughCasesInSwitch",
-            type: "boolean",
-            showInSimplifiedHelpView: true,
-            category: ts.Diagnostics.Additional_Checks,
-            description: ts.Diagnostics.Report_errors_for_fallthrough_cases_in_switch_statement
-        },
-        {
-            name: "moduleResolution",
-            type: ts.createMapFromTemplate({
-                "node": ts.ModuleResolutionKind.NodeJs,
-                "classic": ts.ModuleResolutionKind.Classic,
-            }),
-            paramType: ts.Diagnostics.STRATEGY,
-            category: ts.Diagnostics.Module_Resolution_Options,
-            description: ts.Diagnostics.Specify_module_resolution_strategy_Colon_node_Node_js_or_classic_TypeScript_pre_1_6,
-        },
-        {
-            name: "baseUrl",
-            type: "string",
-            isFilePath: true,
-            category: ts.Diagnostics.Module_Resolution_Options,
-            description: ts.Diagnostics.Base_directory_to_resolve_non_absolute_module_names
-        },
-        {
-            name: "paths",
-            type: "object",
-            isTSConfigOnly: true,
-            category: ts.Diagnostics.Module_Resolution_Options,
-            description: ts.Diagnostics.A_series_of_entries_which_re_map_imports_to_lookup_locations_relative_to_the_baseUrl
-        },
-        {
-            name: "rootDirs",
-            type: "list",
-            isTSConfigOnly: true,
-            element: {
-                name: "rootDirs",
-                type: "string",
-                isFilePath: true
-            },
-            category: ts.Diagnostics.Module_Resolution_Options,
-            description: ts.Diagnostics.List_of_root_folders_whose_combined_content_represents_the_structure_of_the_project_at_runtime
-        },
-        {
-            name: "typeRoots",
-            type: "list",
-            element: {
-                name: "typeRoots",
-                type: "string",
-                isFilePath: true
-            },
-            category: ts.Diagnostics.Module_Resolution_Options,
-            description: ts.Diagnostics.List_of_folders_to_include_type_definitions_from
-        },
-        {
-            name: "types",
-            type: "list",
-            element: {
-                name: "types",
-                type: "string"
-            },
-            showInSimplifiedHelpView: true,
-            category: ts.Diagnostics.Module_Resolution_Options,
-            description: ts.Diagnostics.Type_declaration_files_to_be_included_in_compilation
-        },
-        {
-            name: "allowSyntheticDefaultImports",
-            type: "boolean",
-            category: ts.Diagnostics.Module_Resolution_Options,
-            description: ts.Diagnostics.Allow_default_imports_from_modules_with_no_default_export_This_does_not_affect_code_emit_just_typechecking
-        },
-        {
-            name: "sourceRoot",
-            type: "string",
-            isFilePath: true,
-            paramType: ts.Diagnostics.LOCATION,
-            category: ts.Diagnostics.Source_Map_Options,
-            description: ts.Diagnostics.Specify_the_location_where_debugger_should_locate_TypeScript_files_instead_of_source_locations,
-        },
-        {
-            name: "mapRoot",
-            type: "string",
-            isFilePath: true,
-            paramType: ts.Diagnostics.LOCATION,
-            category: ts.Diagnostics.Source_Map_Options,
-            description: ts.Diagnostics.Specify_the_location_where_debugger_should_locate_map_files_instead_of_generated_locations,
-        },
-        {
-            name: "inlineSourceMap",
-            type: "boolean",
-            category: ts.Diagnostics.Source_Map_Options,
-            description: ts.Diagnostics.Emit_a_single_file_with_source_maps_instead_of_having_a_separate_file
-        },
-        {
-            name: "inlineSources",
-            type: "boolean",
-            category: ts.Diagnostics.Source_Map_Options,
-            description: ts.Diagnostics.Emit_the_source_alongside_the_sourcemaps_within_a_single_file_requires_inlineSourceMap_or_sourceMap_to_be_set
-        },
-        {
-            name: "experimentalDecorators",
-            type: "boolean",
-            category: ts.Diagnostics.Experimental_Options,
-            description: ts.Diagnostics.Enables_experimental_support_for_ES7_decorators
-        },
-        {
-            name: "emitDecoratorMetadata",
-            type: "boolean",
-            category: ts.Diagnostics.Experimental_Options,
-            description: ts.Diagnostics.Enables_experimental_support_for_emitting_type_metadata_for_decorators
-        },
-        {
-            name: "jsxFactory",
-            type: "string",
-            category: ts.Diagnostics.Advanced_Options,
-            description: ts.Diagnostics.Specify_the_JSX_factory_function_to_use_when_targeting_react_JSX_emit_e_g_React_createElement_or_h
-        },
-        {
-            name: "diagnostics",
-            type: "boolean",
-            category: ts.Diagnostics.Advanced_Options,
-            description: ts.Diagnostics.Show_diagnostic_information
-        },
-        {
-            name: "extendedDiagnostics",
-            type: "boolean",
-            category: ts.Diagnostics.Advanced_Options,
-            description: ts.Diagnostics.Show_verbose_diagnostic_information
-        },
-        {
-            name: "traceResolution",
-            type: "boolean",
-            category: ts.Diagnostics.Advanced_Options,
-            description: ts.Diagnostics.Enable_tracing_of_the_name_resolution_process
-        },
-        {
-            name: "listFiles",
-            type: "boolean",
-            category: ts.Diagnostics.Advanced_Options,
-            description: ts.Diagnostics.Print_names_of_files_part_of_the_compilation
-        },
-        {
-            name: "listEmittedFiles",
-            type: "boolean",
-            category: ts.Diagnostics.Advanced_Options,
-            description: ts.Diagnostics.Print_names_of_generated_files_part_of_the_compilation
-        },
-        {
-            name: "out",
-            type: "string",
-            isFilePath: false,
-            category: ts.Diagnostics.Advanced_Options,
-            paramType: ts.Diagnostics.FILE,
-            description: ts.Diagnostics.Deprecated_Use_outFile_instead_Concatenate_and_emit_output_to_single_file,
-        },
-        {
-            name: "reactNamespace",
-            type: "string",
-            category: ts.Diagnostics.Advanced_Options,
-            description: ts.Diagnostics.Deprecated_Use_jsxFactory_instead_Specify_the_object_invoked_for_createElement_when_targeting_react_JSX_emit
-        },
-        {
-            name: "skipDefaultLibCheck",
-            type: "boolean",
-            category: ts.Diagnostics.Advanced_Options,
-            description: ts.Diagnostics.Deprecated_Use_skipLibCheck_instead_Skip_type_checking_of_default_library_declaration_files
-        },
-        {
-            name: "charset",
-            type: "string",
-            category: ts.Diagnostics.Advanced_Options,
-            description: ts.Diagnostics.The_character_set_of_the_input_files
-        },
-        {
-            name: "emitBOM",
-            type: "boolean",
-            category: ts.Diagnostics.Advanced_Options,
-            description: ts.Diagnostics.Emit_a_UTF_8_Byte_Order_Mark_BOM_in_the_beginning_of_output_files
-        },
-        {
-            name: "locale",
-            type: "string",
-            category: ts.Diagnostics.Advanced_Options,
-            description: ts.Diagnostics.The_locale_used_when_displaying_messages_to_the_user_e_g_en_us
-        },
-        {
-            name: "newLine",
-            type: ts.createMapFromTemplate({
-                "crlf": 0,
-                "lf": 1
-            }),
-            paramType: ts.Diagnostics.NEWLINE,
-            category: ts.Diagnostics.Advanced_Options,
-            description: ts.Diagnostics.Specify_the_end_of_line_sequence_to_be_used_when_emitting_files_Colon_CRLF_dos_or_LF_unix,
-        },
-        {
-            name: "noErrorTruncation",
-            type: "boolean",
-            category: ts.Diagnostics.Advanced_Options,
-            description: ts.Diagnostics.Do_not_truncate_error_messages
-        },
-        {
-            name: "noLib",
-            type: "boolean",
-            category: ts.Diagnostics.Advanced_Options,
-            description: ts.Diagnostics.Do_not_include_the_default_library_file_lib_d_ts
-        },
-        {
-            name: "noResolve",
-            type: "boolean",
-            category: ts.Diagnostics.Advanced_Options,
-            description: ts.Diagnostics.Do_not_add_triple_slash_references_or_imported_modules_to_the_list_of_compiled_files
-        },
-        {
-            name: "stripInternal",
-            type: "boolean",
-            category: ts.Diagnostics.Advanced_Options,
-            description: ts.Diagnostics.Do_not_emit_declarations_for_code_that_has_an_internal_annotation,
-        },
-        {
-            name: "disableSizeLimit",
-            type: "boolean",
-            category: ts.Diagnostics.Advanced_Options,
-            description: ts.Diagnostics.Disable_size_limitations_on_JavaScript_projects
-        },
-        {
-            name: "noImplicitUseStrict",
-            type: "boolean",
-            category: ts.Diagnostics.Advanced_Options,
-            description: ts.Diagnostics.Do_not_emit_use_strict_directives_in_module_output
-        },
-        {
-            name: "noEmitHelpers",
-            type: "boolean",
-            category: ts.Diagnostics.Advanced_Options,
-            description: ts.Diagnostics.Do_not_generate_custom_helper_functions_like_extends_in_compiled_output
-        },
-        {
-            name: "noEmitOnError",
-            type: "boolean",
-            category: ts.Diagnostics.Advanced_Options,
-            description: ts.Diagnostics.Do_not_emit_outputs_if_any_errors_were_reported,
-        },
-        {
-            name: "preserveConstEnums",
-            type: "boolean",
-            category: ts.Diagnostics.Advanced_Options,
-            description: ts.Diagnostics.Do_not_erase_const_enum_declarations_in_generated_code
-        },
-        {
-            name: "declarationDir",
-            type: "string",
-            isFilePath: true,
-            paramType: ts.Diagnostics.DIRECTORY,
-            category: ts.Diagnostics.Advanced_Options,
-            description: ts.Diagnostics.Output_directory_for_generated_declaration_files
-        },
-        {
-            name: "skipLibCheck",
-            type: "boolean",
-            category: ts.Diagnostics.Advanced_Options,
-            description: ts.Diagnostics.Skip_type_checking_of_declaration_files,
-        },
-        {
-            name: "allowUnusedLabels",
-            type: "boolean",
-            category: ts.Diagnostics.Advanced_Options,
-            description: ts.Diagnostics.Do_not_report_errors_on_unused_labels
-        },
-        {
-            name: "allowUnreachableCode",
-            type: "boolean",
-            category: ts.Diagnostics.Advanced_Options,
-            description: ts.Diagnostics.Do_not_report_errors_on_unreachable_code
-        },
-        {
-            name: "suppressExcessPropertyErrors",
-            type: "boolean",
-            category: ts.Diagnostics.Advanced_Options,
-            description: ts.Diagnostics.Suppress_excess_property_checks_for_object_literals,
-        },
-        {
-            name: "suppressImplicitAnyIndexErrors",
-            type: "boolean",
-            category: ts.Diagnostics.Advanced_Options,
-            description: ts.Diagnostics.Suppress_noImplicitAny_errors_for_indexing_objects_lacking_index_signatures,
-        },
-        {
-            name: "forceConsistentCasingInFileNames",
-            type: "boolean",
-            category: ts.Diagnostics.Advanced_Options,
-            description: ts.Diagnostics.Disallow_inconsistently_cased_references_to_the_same_file
-        },
-        {
-            name: "maxNodeModuleJsDepth",
-            type: "number",
-            category: ts.Diagnostics.Advanced_Options,
-            description: ts.Diagnostics.The_maximum_dependency_depth_to_search_under_node_modules_and_load_JavaScript_files
-        },
-        {
-            name: "noStrictGenericChecks",
-            type: "boolean",
-            category: ts.Diagnostics.Advanced_Options,
-            description: ts.Diagnostics.Disable_strict_checking_of_generic_signatures_in_function_types,
-        },
-        {
-            name: "plugins",
-            type: "list",
-            isTSConfigOnly: true,
-            element: {
-                name: "plugin",
-                type: "object"
-            },
-            description: ts.Diagnostics.List_of_language_service_plugins
-        }
-    ];
-    ts.typeAcquisitionDeclarations = [
-        {
-            name: "enableAutoDiscovery",
-            type: "boolean",
-        },
-        {
-            name: "enable",
-            type: "boolean",
-        },
-        {
-            name: "include",
-            type: "list",
-            element: {
-                name: "include",
-                type: "string"
-            }
-        },
-        {
-            name: "exclude",
-            type: "list",
-            element: {
-                name: "exclude",
-                type: "string"
-            }
-        }
-    ];
-    ts.defaultInitCompilerOptions = {
-        module: ts.ModuleKind.CommonJS,
-        target: 1,
-        strict: true
+    ts.Diagnostics = {
+        Unterminated_string_literal: diag(1002, ts.DiagnosticCategory.Error, "Unterminated_string_literal_1002", "Unterminated string literal."),
+        Identifier_expected: diag(1003, ts.DiagnosticCategory.Error, "Identifier_expected_1003", "Identifier expected."),
+        _0_expected: diag(1005, ts.DiagnosticCategory.Error, "_0_expected_1005", "'{0}' expected."),
+        A_file_cannot_have_a_reference_to_itself: diag(1006, ts.DiagnosticCategory.Error, "A_file_cannot_have_a_reference_to_itself_1006", "A file cannot have a reference to itself."),
+        Trailing_comma_not_allowed: diag(1009, ts.DiagnosticCategory.Error, "Trailing_comma_not_allowed_1009", "Trailing comma not allowed."),
+        Asterisk_Slash_expected: diag(1010, ts.DiagnosticCategory.Error, "Asterisk_Slash_expected_1010", "'*/' expected."),
+        Unexpected_token: diag(1012, ts.DiagnosticCategory.Error, "Unexpected_token_1012", "Unexpected token."),
+        A_rest_parameter_must_be_last_in_a_parameter_list: diag(1014, ts.DiagnosticCategory.Error, "A_rest_parameter_must_be_last_in_a_parameter_list_1014", "A rest parameter must be last in a parameter list."),
+        Parameter_cannot_have_question_mark_and_initializer: diag(1015, ts.DiagnosticCategory.Error, "Parameter_cannot_have_question_mark_and_initializer_1015", "Parameter cannot have question mark and initializer."),
+        A_required_parameter_cannot_follow_an_optional_parameter: diag(1016, ts.DiagnosticCategory.Error, "A_required_parameter_cannot_follow_an_optional_parameter_1016", "A required parameter cannot follow an optional parameter."),
+        An_index_signature_cannot_have_a_rest_parameter: diag(1017, ts.DiagnosticCategory.Error, "An_index_signature_cannot_have_a_rest_parameter_1017", "An index signature cannot have a rest parameter."),
+        An_index_signature_parameter_cannot_have_an_accessibility_modifier: diag(1018, ts.DiagnosticCategory.Error, "An_index_signature_parameter_cannot_have_an_accessibility_modifier_1018", "An index signature parameter cannot have an accessibility modifier."),
+        An_index_signature_parameter_cannot_have_a_question_mark: diag(1019, ts.DiagnosticCategory.Error, "An_index_signature_parameter_cannot_have_a_question_mark_1019", "An index signature parameter cannot have a question mark."),
+        An_index_signature_parameter_cannot_have_an_initializer: diag(1020, ts.DiagnosticCategory.Error, "An_index_signature_parameter_cannot_have_an_initializer_1020", "An index signature parameter cannot have an initializer."),
+        An_index_signature_must_have_a_type_annotation: diag(1021, ts.DiagnosticCategory.Error, "An_index_signature_must_have_a_type_annotation_1021", "An index signature must have a type annotation."),
+        An_index_signature_parameter_must_have_a_type_annotation: diag(1022, ts.DiagnosticCategory.Error, "An_index_signature_parameter_must_have_a_type_annotation_1022", "An index signature parameter must have a type annotation."),
+        An_index_signature_parameter_type_must_be_string_or_number: diag(1023, ts.DiagnosticCategory.Error, "An_index_signature_parameter_type_must_be_string_or_number_1023", "An index signature parameter type must be 'string' or 'number'."),
+        readonly_modifier_can_only_appear_on_a_property_declaration_or_index_signature: diag(1024, ts.DiagnosticCategory.Error, "readonly_modifier_can_only_appear_on_a_property_declaration_or_index_signature_1024", "'readonly' modifier can only appear on a property declaration or index signature."),
+        Accessibility_modifier_already_seen: diag(1028, ts.DiagnosticCategory.Error, "Accessibility_modifier_already_seen_1028", "Accessibility modifier already seen."),
+        _0_modifier_must_precede_1_modifier: diag(1029, ts.DiagnosticCategory.Error, "_0_modifier_must_precede_1_modifier_1029", "'{0}' modifier must precede '{1}' modifier."),
+        _0_modifier_already_seen: diag(1030, ts.DiagnosticCategory.Error, "_0_modifier_already_seen_1030", "'{0}' modifier already seen."),
+        _0_modifier_cannot_appear_on_a_class_element: diag(1031, ts.DiagnosticCategory.Error, "_0_modifier_cannot_appear_on_a_class_element_1031", "'{0}' modifier cannot appear on a class element."),
+        super_must_be_followed_by_an_argument_list_or_member_access: diag(1034, ts.DiagnosticCategory.Error, "super_must_be_followed_by_an_argument_list_or_member_access_1034", "'super' must be followed by an argument list or member access."),
+        Only_ambient_modules_can_use_quoted_names: diag(1035, ts.DiagnosticCategory.Error, "Only_ambient_modules_can_use_quoted_names_1035", "Only ambient modules can use quoted names."),
+        Statements_are_not_allowed_in_ambient_contexts: diag(1036, ts.DiagnosticCategory.Error, "Statements_are_not_allowed_in_ambient_contexts_1036", "Statements are not allowed in ambient contexts."),
+        A_declare_modifier_cannot_be_used_in_an_already_ambient_context: diag(1038, ts.DiagnosticCategory.Error, "A_declare_modifier_cannot_be_used_in_an_already_ambient_context_1038", "A 'declare' modifier cannot be used in an already ambient context."),
+        Initializers_are_not_allowed_in_ambient_contexts: diag(1039, ts.DiagnosticCategory.Error, "Initializers_are_not_allowed_in_ambient_contexts_1039", "Initializers are not allowed in ambient contexts."),
+        _0_modifier_cannot_be_used_in_an_ambient_context: diag(1040, ts.DiagnosticCategory.Error, "_0_modifier_cannot_be_used_in_an_ambient_context_1040", "'{0}' modifier cannot be used in an ambient context."),
+        _0_modifier_cannot_be_used_with_a_class_declaration: diag(1041, ts.DiagnosticCategory.Error, "_0_modifier_cannot_be_used_with_a_class_declaration_1041", "'{0}' modifier cannot be used with a class declaration."),
+        _0_modifier_cannot_be_used_here: diag(1042, ts.DiagnosticCategory.Error, "_0_modifier_cannot_be_used_here_1042", "'{0}' modifier cannot be used here."),
+        _0_modifier_cannot_appear_on_a_data_property: diag(1043, ts.DiagnosticCategory.Error, "_0_modifier_cannot_appear_on_a_data_property_1043", "'{0}' modifier cannot appear on a data property."),
+        _0_modifier_cannot_appear_on_a_module_or_namespace_element: diag(1044, ts.DiagnosticCategory.Error, "_0_modifier_cannot_appear_on_a_module_or_namespace_element_1044", "'{0}' modifier cannot appear on a module or namespace element."),
+        A_0_modifier_cannot_be_used_with_an_interface_declaration: diag(1045, ts.DiagnosticCategory.Error, "A_0_modifier_cannot_be_used_with_an_interface_declaration_1045", "A '{0}' modifier cannot be used with an interface declaration."),
+        A_declare_modifier_is_required_for_a_top_level_declaration_in_a_d_ts_file: diag(1046, ts.DiagnosticCategory.Error, "A_declare_modifier_is_required_for_a_top_level_declaration_in_a_d_ts_file_1046", "A 'declare' modifier is required for a top level declaration in a .d.ts file."),
+        A_rest_parameter_cannot_be_optional: diag(1047, ts.DiagnosticCategory.Error, "A_rest_parameter_cannot_be_optional_1047", "A rest parameter cannot be optional."),
+        A_rest_parameter_cannot_have_an_initializer: diag(1048, ts.DiagnosticCategory.Error, "A_rest_parameter_cannot_have_an_initializer_1048", "A rest parameter cannot have an initializer."),
+        A_set_accessor_must_have_exactly_one_parameter: diag(1049, ts.DiagnosticCategory.Error, "A_set_accessor_must_have_exactly_one_parameter_1049", "A 'set' accessor must have exactly one parameter."),
+        A_set_accessor_cannot_have_an_optional_parameter: diag(1051, ts.DiagnosticCategory.Error, "A_set_accessor_cannot_have_an_optional_parameter_1051", "A 'set' accessor cannot have an optional parameter."),
+        A_set_accessor_parameter_cannot_have_an_initializer: diag(1052, ts.DiagnosticCategory.Error, "A_set_accessor_parameter_cannot_have_an_initializer_1052", "A 'set' accessor parameter cannot have an initializer."),
+        A_set_accessor_cannot_have_rest_parameter: diag(1053, ts.DiagnosticCategory.Error, "A_set_accessor_cannot_have_rest_parameter_1053", "A 'set' accessor cannot have rest parameter."),
+        A_get_accessor_cannot_have_parameters: diag(1054, ts.DiagnosticCategory.Error, "A_get_accessor_cannot_have_parameters_1054", "A 'get' accessor cannot have parameters."),
+        Type_0_is_not_a_valid_async_function_return_type_in_ES5_SlashES3_because_it_does_not_refer_to_a_Promise_compatible_constructor_value: diag(1055, ts.DiagnosticCategory.Error, "Type_0_is_not_a_valid_async_function_return_type_in_ES5_SlashES3_because_it_does_not_refer_to_a_Prom_1055", "Type '{0}' is not a valid async function return type in ES5/ES3 because it does not refer to a Promise-compatible constructor value."),
+        Accessors_are_only_available_when_targeting_ECMAScript_5_and_higher: diag(1056, ts.DiagnosticCategory.Error, "Accessors_are_only_available_when_targeting_ECMAScript_5_and_higher_1056", "Accessors are only available when targeting ECMAScript 5 and higher."),
+        An_async_function_or_method_must_have_a_valid_awaitable_return_type: diag(1057, ts.DiagnosticCategory.Error, "An_async_function_or_method_must_have_a_valid_awaitable_return_type_1057", "An async function or method must have a valid awaitable return type."),
+        The_return_type_of_an_async_function_must_either_be_a_valid_promise_or_must_not_contain_a_callable_then_member: diag(1058, ts.DiagnosticCategory.Error, "The_return_type_of_an_async_function_must_either_be_a_valid_promise_or_must_not_contain_a_callable_t_1058", "The return type of an async function must either be a valid promise or must not contain a callable 'then' member."),
+        A_promise_must_have_a_then_method: diag(1059, ts.DiagnosticCategory.Error, "A_promise_must_have_a_then_method_1059", "A promise must have a 'then' method."),
+        The_first_parameter_of_the_then_method_of_a_promise_must_be_a_callback: diag(1060, ts.DiagnosticCategory.Error, "The_first_parameter_of_the_then_method_of_a_promise_must_be_a_callback_1060", "The first parameter of the 'then' method of a promise must be a callback."),
+        Enum_member_must_have_initializer: diag(1061, ts.DiagnosticCategory.Error, "Enum_member_must_have_initializer_1061", "Enum member must have initializer."),
+        Type_is_referenced_directly_or_indirectly_in_the_fulfillment_callback_of_its_own_then_method: diag(1062, ts.DiagnosticCategory.Error, "Type_is_referenced_directly_or_indirectly_in_the_fulfillment_callback_of_its_own_then_method_1062", "Type is referenced directly or indirectly in the fulfillment callback of its own 'then' method."),
+        An_export_assignment_cannot_be_used_in_a_namespace: diag(1063, ts.DiagnosticCategory.Error, "An_export_assignment_cannot_be_used_in_a_namespace_1063", "An export assignment cannot be used in a namespace."),
+        The_return_type_of_an_async_function_or_method_must_be_the_global_Promise_T_type: diag(1064, ts.DiagnosticCategory.Error, "The_return_type_of_an_async_function_or_method_must_be_the_global_Promise_T_type_1064", "The return type of an async function or method must be the global Promise<T> type."),
+        In_ambient_enum_declarations_member_initializer_must_be_constant_expression: diag(1066, ts.DiagnosticCategory.Error, "In_ambient_enum_declarations_member_initializer_must_be_constant_expression_1066", "In ambient enum declarations member initializer must be constant expression."),
+        Unexpected_token_A_constructor_method_accessor_or_property_was_expected: diag(1068, ts.DiagnosticCategory.Error, "Unexpected_token_A_constructor_method_accessor_or_property_was_expected_1068", "Unexpected token. A constructor, method, accessor, or property was expected."),
+        _0_modifier_cannot_appear_on_a_type_member: diag(1070, ts.DiagnosticCategory.Error, "_0_modifier_cannot_appear_on_a_type_member_1070", "'{0}' modifier cannot appear on a type member."),
+        _0_modifier_cannot_appear_on_an_index_signature: diag(1071, ts.DiagnosticCategory.Error, "_0_modifier_cannot_appear_on_an_index_signature_1071", "'{0}' modifier cannot appear on an index signature."),
+        A_0_modifier_cannot_be_used_with_an_import_declaration: diag(1079, ts.DiagnosticCategory.Error, "A_0_modifier_cannot_be_used_with_an_import_declaration_1079", "A '{0}' modifier cannot be used with an import declaration."),
+        Invalid_reference_directive_syntax: diag(1084, ts.DiagnosticCategory.Error, "Invalid_reference_directive_syntax_1084", "Invalid 'reference' directive syntax."),
+        Octal_literals_are_not_available_when_targeting_ECMAScript_5_and_higher_Use_the_syntax_0: diag(1085, ts.DiagnosticCategory.Error, "Octal_literals_are_not_available_when_targeting_ECMAScript_5_and_higher_Use_the_syntax_0_1085", "Octal literals are not available when targeting ECMAScript 5 and higher. Use the syntax '{0}'."),
+        An_accessor_cannot_be_declared_in_an_ambient_context: diag(1086, ts.DiagnosticCategory.Error, "An_accessor_cannot_be_declared_in_an_ambient_context_1086", "An accessor cannot be declared in an ambient context."),
+        _0_modifier_cannot_appear_on_a_constructor_declaration: diag(1089, ts.DiagnosticCategory.Error, "_0_modifier_cannot_appear_on_a_constructor_declaration_1089", "'{0}' modifier cannot appear on a constructor declaration."),
+        _0_modifier_cannot_appear_on_a_parameter: diag(1090, ts.DiagnosticCategory.Error, "_0_modifier_cannot_appear_on_a_parameter_1090", "'{0}' modifier cannot appear on a parameter."),
+        Only_a_single_variable_declaration_is_allowed_in_a_for_in_statement: diag(1091, ts.DiagnosticCategory.Error, "Only_a_single_variable_declaration_is_allowed_in_a_for_in_statement_1091", "Only a single variable declaration is allowed in a 'for...in' statement."),
+        Type_parameters_cannot_appear_on_a_constructor_declaration: diag(1092, ts.DiagnosticCategory.Error, "Type_parameters_cannot_appear_on_a_constructor_declaration_1092", "Type parameters cannot appear on a constructor declaration."),
+        Type_annotation_cannot_appear_on_a_constructor_declaration: diag(1093, ts.DiagnosticCategory.Error, "Type_annotation_cannot_appear_on_a_constructor_declaration_1093", "Type annotation cannot appear on a constructor declaration."),
+        An_accessor_cannot_have_type_parameters: diag(1094, ts.DiagnosticCategory.Error, "An_accessor_cannot_have_type_parameters_1094", "An accessor cannot have type parameters."),
+        A_set_accessor_cannot_have_a_return_type_annotation: diag(1095, ts.DiagnosticCategory.Error, "A_set_accessor_cannot_have_a_return_type_annotation_1095", "A 'set' accessor cannot have a return type annotation."),
+        An_index_signature_must_have_exactly_one_parameter: diag(1096, ts.DiagnosticCategory.Error, "An_index_signature_must_have_exactly_one_parameter_1096", "An index signature must have exactly one parameter."),
+        _0_list_cannot_be_empty: diag(1097, ts.DiagnosticCategory.Error, "_0_list_cannot_be_empty_1097", "'{0}' list cannot be empty."),
+        Type_parameter_list_cannot_be_empty: diag(1098, ts.DiagnosticCategory.Error, "Type_parameter_list_cannot_be_empty_1098", "Type parameter list cannot be empty."),
+        Type_argument_list_cannot_be_empty: diag(1099, ts.DiagnosticCategory.Error, "Type_argument_list_cannot_be_empty_1099", "Type argument list cannot be empty."),
+        Invalid_use_of_0_in_strict_mode: diag(1100, ts.DiagnosticCategory.Error, "Invalid_use_of_0_in_strict_mode_1100", "Invalid use of '{0}' in strict mode."),
+        with_statements_are_not_allowed_in_strict_mode: diag(1101, ts.DiagnosticCategory.Error, "with_statements_are_not_allowed_in_strict_mode_1101", "'with' statements are not allowed in strict mode."),
+        delete_cannot_be_called_on_an_identifier_in_strict_mode: diag(1102, ts.DiagnosticCategory.Error, "delete_cannot_be_called_on_an_identifier_in_strict_mode_1102", "'delete' cannot be called on an identifier in strict mode."),
+        A_for_await_of_statement_is_only_allowed_within_an_async_function_or_async_generator: diag(1103, ts.DiagnosticCategory.Error, "A_for_await_of_statement_is_only_allowed_within_an_async_function_or_async_generator_1103", "A 'for-await-of' statement is only allowed within an async function or async generator."),
+        A_continue_statement_can_only_be_used_within_an_enclosing_iteration_statement: diag(1104, ts.DiagnosticCategory.Error, "A_continue_statement_can_only_be_used_within_an_enclosing_iteration_statement_1104", "A 'continue' statement can only be used within an enclosing iteration statement."),
+        A_break_statement_can_only_be_used_within_an_enclosing_iteration_or_switch_statement: diag(1105, ts.DiagnosticCategory.Error, "A_break_statement_can_only_be_used_within_an_enclosing_iteration_or_switch_statement_1105", "A 'break' statement can only be used within an enclosing iteration or switch statement."),
+        Jump_target_cannot_cross_function_boundary: diag(1107, ts.DiagnosticCategory.Error, "Jump_target_cannot_cross_function_boundary_1107", "Jump target cannot cross function boundary."),
+        A_return_statement_can_only_be_used_within_a_function_body: diag(1108, ts.DiagnosticCategory.Error, "A_return_statement_can_only_be_used_within_a_function_body_1108", "A 'return' statement can only be used within a function body."),
+        Expression_expected: diag(1109, ts.DiagnosticCategory.Error, "Expression_expected_1109", "Expression expected."),
+        Type_expected: diag(1110, ts.DiagnosticCategory.Error, "Type_expected_1110", "Type expected."),
+        A_default_clause_cannot_appear_more_than_once_in_a_switch_statement: diag(1113, ts.DiagnosticCategory.Error, "A_default_clause_cannot_appear_more_than_once_in_a_switch_statement_1113", "A 'default' clause cannot appear more than once in a 'switch' statement."),
+        Duplicate_label_0: diag(1114, ts.DiagnosticCategory.Error, "Duplicate_label_0_1114", "Duplicate label '{0}'."),
+        A_continue_statement_can_only_jump_to_a_label_of_an_enclosing_iteration_statement: diag(1115, ts.DiagnosticCategory.Error, "A_continue_statement_can_only_jump_to_a_label_of_an_enclosing_iteration_statement_1115", "A 'continue' statement can only jump to a label of an enclosing iteration statement."),
+        A_break_statement_can_only_jump_to_a_label_of_an_enclosing_statement: diag(1116, ts.DiagnosticCategory.Error, "A_break_statement_can_only_jump_to_a_label_of_an_enclosing_statement_1116", "A 'break' statement can only jump to a label of an enclosing statement."),
+        An_object_literal_cannot_have_multiple_properties_with_the_same_name_in_strict_mode: diag(1117, ts.DiagnosticCategory.Error, "An_object_literal_cannot_have_multiple_properties_with_the_same_name_in_strict_mode_1117", "An object literal cannot have multiple properties with the same name in strict mode."),
+        An_object_literal_cannot_have_multiple_get_Slashset_accessors_with_the_same_name: diag(1118, ts.DiagnosticCategory.Error, "An_object_literal_cannot_have_multiple_get_Slashset_accessors_with_the_same_name_1118", "An object literal cannot have multiple get/set accessors with the same name."),
+        An_object_literal_cannot_have_property_and_accessor_with_the_same_name: diag(1119, ts.DiagnosticCategory.Error, "An_object_literal_cannot_have_property_and_accessor_with_the_same_name_1119", "An object literal cannot have property and accessor with the same name."),
+        An_export_assignment_cannot_have_modifiers: diag(1120, ts.DiagnosticCategory.Error, "An_export_assignment_cannot_have_modifiers_1120", "An export assignment cannot have modifiers."),
+        Octal_literals_are_not_allowed_in_strict_mode: diag(1121, ts.DiagnosticCategory.Error, "Octal_literals_are_not_allowed_in_strict_mode_1121", "Octal literals are not allowed in strict mode."),
+        A_tuple_type_element_list_cannot_be_empty: diag(1122, ts.DiagnosticCategory.Error, "A_tuple_type_element_list_cannot_be_empty_1122", "A tuple type element list cannot be empty."),
+        Variable_declaration_list_cannot_be_empty: diag(1123, ts.DiagnosticCategory.Error, "Variable_declaration_list_cannot_be_empty_1123", "Variable declaration list cannot be empty."),
+        Digit_expected: diag(1124, ts.DiagnosticCategory.Error, "Digit_expected_1124", "Digit expected."),
+        Hexadecimal_digit_expected: diag(1125, ts.DiagnosticCategory.Error, "Hexadecimal_digit_expected_1125", "Hexadecimal digit expected."),
+        Unexpected_end_of_text: diag(1126, ts.DiagnosticCategory.Error, "Unexpected_end_of_text_1126", "Unexpected end of text."),
+        Invalid_character: diag(1127, ts.DiagnosticCategory.Error, "Invalid_character_1127", "Invalid character."),
+        Declaration_or_statement_expected: diag(1128, ts.DiagnosticCategory.Error, "Declaration_or_statement_expected_1128", "Declaration or statement expected."),
+        Statement_expected: diag(1129, ts.DiagnosticCategory.Error, "Statement_expected_1129", "Statement expected."),
+        case_or_default_expected: diag(1130, ts.DiagnosticCategory.Error, "case_or_default_expected_1130", "'case' or 'default' expected."),
+        Property_or_signature_expected: diag(1131, ts.DiagnosticCategory.Error, "Property_or_signature_expected_1131", "Property or signature expected."),
+        Enum_member_expected: diag(1132, ts.DiagnosticCategory.Error, "Enum_member_expected_1132", "Enum member expected."),
+        Variable_declaration_expected: diag(1134, ts.DiagnosticCategory.Error, "Variable_declaration_expected_1134", "Variable declaration expected."),
+        Argument_expression_expected: diag(1135, ts.DiagnosticCategory.Error, "Argument_expression_expected_1135", "Argument expression expected."),
+        Property_assignment_expected: diag(1136, ts.DiagnosticCategory.Error, "Property_assignment_expected_1136", "Property assignment expected."),
+        Expression_or_comma_expected: diag(1137, ts.DiagnosticCategory.Error, "Expression_or_comma_expected_1137", "Expression or comma expected."),
+        Parameter_declaration_expected: diag(1138, ts.DiagnosticCategory.Error, "Parameter_declaration_expected_1138", "Parameter declaration expected."),
+        Type_parameter_declaration_expected: diag(1139, ts.DiagnosticCategory.Error, "Type_parameter_declaration_expected_1139", "Type parameter declaration expected."),
+        Type_argument_expected: diag(1140, ts.DiagnosticCategory.Error, "Type_argument_expected_1140", "Type argument expected."),
+        String_literal_expected: diag(1141, ts.DiagnosticCategory.Error, "String_literal_expected_1141", "String literal expected."),
+        Line_break_not_permitted_here: diag(1142, ts.DiagnosticCategory.Error, "Line_break_not_permitted_here_1142", "Line break not permitted here."),
+        or_expected: diag(1144, ts.DiagnosticCategory.Error, "or_expected_1144", "'{' or ';' expected."),
+        Declaration_expected: diag(1146, ts.DiagnosticCategory.Error, "Declaration_expected_1146", "Declaration expected."),
+        Import_declarations_in_a_namespace_cannot_reference_a_module: diag(1147, ts.DiagnosticCategory.Error, "Import_declarations_in_a_namespace_cannot_reference_a_module_1147", "Import declarations in a namespace cannot reference a module."),
+        Cannot_use_imports_exports_or_module_augmentations_when_module_is_none: diag(1148, ts.DiagnosticCategory.Error, "Cannot_use_imports_exports_or_module_augmentations_when_module_is_none_1148", "Cannot use imports, exports, or module augmentations when '--module' is 'none'."),
+        File_name_0_differs_from_already_included_file_name_1_only_in_casing: diag(1149, ts.DiagnosticCategory.Error, "File_name_0_differs_from_already_included_file_name_1_only_in_casing_1149", "File name '{0}' differs from already included file name '{1}' only in casing."),
+        new_T_cannot_be_used_to_create_an_array_Use_new_Array_T_instead: diag(1150, ts.DiagnosticCategory.Error, "new_T_cannot_be_used_to_create_an_array_Use_new_Array_T_instead_1150", "'new T[]' cannot be used to create an array. Use 'new Array<T>()' instead."),
+        const_declarations_must_be_initialized: diag(1155, ts.DiagnosticCategory.Error, "const_declarations_must_be_initialized_1155", "'const' declarations must be initialized."),
+        const_declarations_can_only_be_declared_inside_a_block: diag(1156, ts.DiagnosticCategory.Error, "const_declarations_can_only_be_declared_inside_a_block_1156", "'const' declarations can only be declared inside a block."),
+        let_declarations_can_only_be_declared_inside_a_block: diag(1157, ts.DiagnosticCategory.Error, "let_declarations_can_only_be_declared_inside_a_block_1157", "'let' declarations can only be declared inside a block."),
+        Unterminated_template_literal: diag(1160, ts.DiagnosticCategory.Error, "Unterminated_template_literal_1160", "Unterminated template literal."),
+        Unterminated_regular_expression_literal: diag(1161, ts.DiagnosticCategory.Error, "Unterminated_regular_expression_literal_1161", "Unterminated regular expression literal."),
+        An_object_member_cannot_be_declared_optional: diag(1162, ts.DiagnosticCategory.Error, "An_object_member_cannot_be_declared_optional_1162", "An object member cannot be declared optional."),
+        A_yield_expression_is_only_allowed_in_a_generator_body: diag(1163, ts.DiagnosticCategory.Error, "A_yield_expression_is_only_allowed_in_a_generator_body_1163", "A 'yield' expression is only allowed in a generator body."),
+        Computed_property_names_are_not_allowed_in_enums: diag(1164, ts.DiagnosticCategory.Error, "Computed_property_names_are_not_allowed_in_enums_1164", "Computed property names are not allowed in enums."),
+        A_computed_property_name_in_an_ambient_context_must_directly_refer_to_a_built_in_symbol: diag(1165, ts.DiagnosticCategory.Error, "A_computed_property_name_in_an_ambient_context_must_directly_refer_to_a_built_in_symbol_1165", "A computed property name in an ambient context must directly refer to a built-in symbol."),
+        A_computed_property_name_in_a_class_property_declaration_must_directly_refer_to_a_built_in_symbol: diag(1166, ts.DiagnosticCategory.Error, "A_computed_property_name_in_a_class_property_declaration_must_directly_refer_to_a_built_in_symbol_1166", "A computed property name in a class property declaration must directly refer to a built-in symbol."),
+        A_computed_property_name_in_a_method_overload_must_directly_refer_to_a_built_in_symbol: diag(1168, ts.DiagnosticCategory.Error, "A_computed_property_name_in_a_method_overload_must_directly_refer_to_a_built_in_symbol_1168", "A computed property name in a method overload must directly refer to a built-in symbol."),
+        A_computed_property_name_in_an_interface_must_directly_refer_to_a_built_in_symbol: diag(1169, ts.DiagnosticCategory.Error, "A_computed_property_name_in_an_interface_must_directly_refer_to_a_built_in_symbol_1169", "A computed property name in an interface must directly refer to a built-in symbol."),
+        A_computed_property_name_in_a_type_literal_must_directly_refer_to_a_built_in_symbol: diag(1170, ts.DiagnosticCategory.Error, "A_computed_property_name_in_a_type_literal_must_directly_refer_to_a_built_in_symbol_1170", "A computed property name in a type literal must directly refer to a built-in symbol."),
+        A_comma_expression_is_not_allowed_in_a_computed_property_name: diag(1171, ts.DiagnosticCategory.Error, "A_comma_expression_is_not_allowed_in_a_computed_property_name_1171", "A comma expression is not allowed in a computed property name."),
+        extends_clause_already_seen: diag(1172, ts.DiagnosticCategory.Error, "extends_clause_already_seen_1172", "'extends' clause already seen."),
+        extends_clause_must_precede_implements_clause: diag(1173, ts.DiagnosticCategory.Error, "extends_clause_must_precede_implements_clause_1173", "'extends' clause must precede 'implements' clause."),
+        Classes_can_only_extend_a_single_class: diag(1174, ts.DiagnosticCategory.Error, "Classes_can_only_extend_a_single_class_1174", "Classes can only extend a single class."),
+        implements_clause_already_seen: diag(1175, ts.DiagnosticCategory.Error, "implements_clause_already_seen_1175", "'implements' clause already seen."),
+        Interface_declaration_cannot_have_implements_clause: diag(1176, ts.DiagnosticCategory.Error, "Interface_declaration_cannot_have_implements_clause_1176", "Interface declaration cannot have 'implements' clause."),
+        Binary_digit_expected: diag(1177, ts.DiagnosticCategory.Error, "Binary_digit_expected_1177", "Binary digit expected."),
+        Octal_digit_expected: diag(1178, ts.DiagnosticCategory.Error, "Octal_digit_expected_1178", "Octal digit expected."),
+        Unexpected_token_expected: diag(1179, ts.DiagnosticCategory.Error, "Unexpected_token_expected_1179", "Unexpected token. '{' expected."),
+        Property_destructuring_pattern_expected: diag(1180, ts.DiagnosticCategory.Error, "Property_destructuring_pattern_expected_1180", "Property destructuring pattern expected."),
+        Array_element_destructuring_pattern_expected: diag(1181, ts.DiagnosticCategory.Error, "Array_element_destructuring_pattern_expected_1181", "Array element destructuring pattern expected."),
+        A_destructuring_declaration_must_have_an_initializer: diag(1182, ts.DiagnosticCategory.Error, "A_destructuring_declaration_must_have_an_initializer_1182", "A destructuring declaration must have an initializer."),
+        An_implementation_cannot_be_declared_in_ambient_contexts: diag(1183, ts.DiagnosticCategory.Error, "An_implementation_cannot_be_declared_in_ambient_contexts_1183", "An implementation cannot be declared in ambient contexts."),
+        Modifiers_cannot_appear_here: diag(1184, ts.DiagnosticCategory.Error, "Modifiers_cannot_appear_here_1184", "Modifiers cannot appear here."),
+        Merge_conflict_marker_encountered: diag(1185, ts.DiagnosticCategory.Error, "Merge_conflict_marker_encountered_1185", "Merge conflict marker encountered."),
+        A_rest_element_cannot_have_an_initializer: diag(1186, ts.DiagnosticCategory.Error, "A_rest_element_cannot_have_an_initializer_1186", "A rest element cannot have an initializer."),
+        A_parameter_property_may_not_be_declared_using_a_binding_pattern: diag(1187, ts.DiagnosticCategory.Error, "A_parameter_property_may_not_be_declared_using_a_binding_pattern_1187", "A parameter property may not be declared using a binding pattern."),
+        Only_a_single_variable_declaration_is_allowed_in_a_for_of_statement: diag(1188, ts.DiagnosticCategory.Error, "Only_a_single_variable_declaration_is_allowed_in_a_for_of_statement_1188", "Only a single variable declaration is allowed in a 'for...of' statement."),
+        The_variable_declaration_of_a_for_in_statement_cannot_have_an_initializer: diag(1189, ts.DiagnosticCategory.Error, "The_variable_declaration_of_a_for_in_statement_cannot_have_an_initializer_1189", "The variable declaration of a 'for...in' statement cannot have an initializer."),
+        The_variable_declaration_of_a_for_of_statement_cannot_have_an_initializer: diag(1190, ts.DiagnosticCategory.Error, "The_variable_declaration_of_a_for_of_statement_cannot_have_an_initializer_1190", "The variable declaration of a 'for...of' statement cannot have an initializer."),
+        An_import_declaration_cannot_have_modifiers: diag(1191, ts.DiagnosticCategory.Error, "An_import_declaration_cannot_have_modifiers_1191", "An import declaration cannot have modifiers."),
+        Module_0_has_no_default_export: diag(1192, ts.DiagnosticCategory.Error, "Module_0_has_no_default_export_1192", "Module '{0}' has no default export."),
+        An_export_declaration_cannot_have_modifiers: diag(1193, ts.DiagnosticCategory.Error, "An_export_declaration_cannot_have_modifiers_1193", "An export declaration cannot have modifiers."),
+        Export_declarations_are_not_permitted_in_a_namespace: diag(1194, ts.DiagnosticCategory.Error, "Export_declarations_are_not_permitted_in_a_namespace_1194", "Export declarations are not permitted in a namespace."),
+        Catch_clause_variable_cannot_have_a_type_annotation: diag(1196, ts.DiagnosticCategory.Error, "Catch_clause_variable_cannot_have_a_type_annotation_1196", "Catch clause variable cannot have a type annotation."),
+        Catch_clause_variable_cannot_have_an_initializer: diag(1197, ts.DiagnosticCategory.Error, "Catch_clause_variable_cannot_have_an_initializer_1197", "Catch clause variable cannot have an initializer."),
+        An_extended_Unicode_escape_value_must_be_between_0x0_and_0x10FFFF_inclusive: diag(1198, ts.DiagnosticCategory.Error, "An_extended_Unicode_escape_value_must_be_between_0x0_and_0x10FFFF_inclusive_1198", "An extended Unicode escape value must be between 0x0 and 0x10FFFF inclusive."),
+        Unterminated_Unicode_escape_sequence: diag(1199, ts.DiagnosticCategory.Error, "Unterminated_Unicode_escape_sequence_1199", "Unterminated Unicode escape sequence."),
+        Line_terminator_not_permitted_before_arrow: diag(1200, ts.DiagnosticCategory.Error, "Line_terminator_not_permitted_before_arrow_1200", "Line terminator not permitted before arrow."),
+        Import_assignment_cannot_be_used_when_targeting_ECMAScript_2015_modules_Consider_using_import_Asterisk_as_ns_from_mod_import_a_from_mod_import_d_from_mod_or_another_module_format_instead: diag(1202, ts.DiagnosticCategory.Error, "Import_assignment_cannot_be_used_when_targeting_ECMAScript_2015_modules_Consider_using_import_Asteri_1202", "Import assignment cannot be used when targeting ECMAScript 2015 modules. Consider using 'import * as ns from \"mod\"', 'import {a} from \"mod\"', 'import d from \"mod\"', or another module format instead."),
+        Export_assignment_cannot_be_used_when_targeting_ECMAScript_2015_modules_Consider_using_export_default_or_another_module_format_instead: diag(1203, ts.DiagnosticCategory.Error, "Export_assignment_cannot_be_used_when_targeting_ECMAScript_2015_modules_Consider_using_export_defaul_1203", "Export assignment cannot be used when targeting ECMAScript 2015 modules. Consider using 'export default' or another module format instead."),
+        Cannot_re_export_a_type_when_the_isolatedModules_flag_is_provided: diag(1205, ts.DiagnosticCategory.Error, "Cannot_re_export_a_type_when_the_isolatedModules_flag_is_provided_1205", "Cannot re-export a type when the '--isolatedModules' flag is provided."),
+        Decorators_are_not_valid_here: diag(1206, ts.DiagnosticCategory.Error, "Decorators_are_not_valid_here_1206", "Decorators are not valid here."),
+        Decorators_cannot_be_applied_to_multiple_get_Slashset_accessors_of_the_same_name: diag(1207, ts.DiagnosticCategory.Error, "Decorators_cannot_be_applied_to_multiple_get_Slashset_accessors_of_the_same_name_1207", "Decorators cannot be applied to multiple get/set accessors of the same name."),
+        Cannot_compile_namespaces_when_the_isolatedModules_flag_is_provided: diag(1208, ts.DiagnosticCategory.Error, "Cannot_compile_namespaces_when_the_isolatedModules_flag_is_provided_1208", "Cannot compile namespaces when the '--isolatedModules' flag is provided."),
+        Ambient_const_enums_are_not_allowed_when_the_isolatedModules_flag_is_provided: diag(1209, ts.DiagnosticCategory.Error, "Ambient_const_enums_are_not_allowed_when_the_isolatedModules_flag_is_provided_1209", "Ambient const enums are not allowed when the '--isolatedModules' flag is provided."),
+        Invalid_use_of_0_Class_definitions_are_automatically_in_strict_mode: diag(1210, ts.DiagnosticCategory.Error, "Invalid_use_of_0_Class_definitions_are_automatically_in_strict_mode_1210", "Invalid use of '{0}'. Class definitions are automatically in strict mode."),
+        A_class_declaration_without_the_default_modifier_must_have_a_name: diag(1211, ts.DiagnosticCategory.Error, "A_class_declaration_without_the_default_modifier_must_have_a_name_1211", "A class declaration without the 'default' modifier must have a name."),
+        Identifier_expected_0_is_a_reserved_word_in_strict_mode: diag(1212, ts.DiagnosticCategory.Error, "Identifier_expected_0_is_a_reserved_word_in_strict_mode_1212", "Identifier expected. '{0}' is a reserved word in strict mode."),
+        Identifier_expected_0_is_a_reserved_word_in_strict_mode_Class_definitions_are_automatically_in_strict_mode: diag(1213, ts.DiagnosticCategory.Error, "Identifier_expected_0_is_a_reserved_word_in_strict_mode_Class_definitions_are_automatically_in_stric_1213", "Identifier expected. '{0}' is a reserved word in strict mode. Class definitions are automatically in strict mode."),
+        Identifier_expected_0_is_a_reserved_word_in_strict_mode_Modules_are_automatically_in_strict_mode: diag(1214, ts.DiagnosticCategory.Error, "Identifier_expected_0_is_a_reserved_word_in_strict_mode_Modules_are_automatically_in_strict_mode_1214", "Identifier expected. '{0}' is a reserved word in strict mode. Modules are automatically in strict mode."),
+        Invalid_use_of_0_Modules_are_automatically_in_strict_mode: diag(1215, ts.DiagnosticCategory.Error, "Invalid_use_of_0_Modules_are_automatically_in_strict_mode_1215", "Invalid use of '{0}'. Modules are automatically in strict mode."),
+        Identifier_expected_esModule_is_reserved_as_an_exported_marker_when_transforming_ECMAScript_modules: diag(1216, ts.DiagnosticCategory.Error, "Identifier_expected_esModule_is_reserved_as_an_exported_marker_when_transforming_ECMAScript_modules_1216", "Identifier expected. '__esModule' is reserved as an exported marker when transforming ECMAScript modules."),
+        Export_assignment_is_not_supported_when_module_flag_is_system: diag(1218, ts.DiagnosticCategory.Error, "Export_assignment_is_not_supported_when_module_flag_is_system_1218", "Export assignment is not supported when '--module' flag is 'system'."),
+        Experimental_support_for_decorators_is_a_feature_that_is_subject_to_change_in_a_future_release_Set_the_experimentalDecorators_option_to_remove_this_warning: diag(1219, ts.DiagnosticCategory.Error, "Experimental_support_for_decorators_is_a_feature_that_is_subject_to_change_in_a_future_release_Set_t_1219", "Experimental support for decorators is a feature that is subject to change in a future release. Set the 'experimentalDecorators' option to remove this warning."),
+        Generators_are_only_available_when_targeting_ECMAScript_2015_or_higher: diag(1220, ts.DiagnosticCategory.Error, "Generators_are_only_available_when_targeting_ECMAScript_2015_or_higher_1220", "Generators are only available when targeting ECMAScript 2015 or higher."),
+        Generators_are_not_allowed_in_an_ambient_context: diag(1221, ts.DiagnosticCategory.Error, "Generators_are_not_allowed_in_an_ambient_context_1221", "Generators are not allowed in an ambient context."),
+        An_overload_signature_cannot_be_declared_as_a_generator: diag(1222, ts.DiagnosticCategory.Error, "An_overload_signature_cannot_be_declared_as_a_generator_1222", "An overload signature cannot be declared as a generator."),
+        _0_tag_already_specified: diag(1223, ts.DiagnosticCategory.Error, "_0_tag_already_specified_1223", "'{0}' tag already specified."),
+        Signature_0_must_be_a_type_predicate: diag(1224, ts.DiagnosticCategory.Error, "Signature_0_must_be_a_type_predicate_1224", "Signature '{0}' must be a type predicate."),
+        Cannot_find_parameter_0: diag(1225, ts.DiagnosticCategory.Error, "Cannot_find_parameter_0_1225", "Cannot find parameter '{0}'."),
+        Type_predicate_0_is_not_assignable_to_1: diag(1226, ts.DiagnosticCategory.Error, "Type_predicate_0_is_not_assignable_to_1_1226", "Type predicate '{0}' is not assignable to '{1}'."),
+        Parameter_0_is_not_in_the_same_position_as_parameter_1: diag(1227, ts.DiagnosticCategory.Error, "Parameter_0_is_not_in_the_same_position_as_parameter_1_1227", "Parameter '{0}' is not in the same position as parameter '{1}'."),
+        A_type_predicate_is_only_allowed_in_return_type_position_for_functions_and_methods: diag(1228, ts.DiagnosticCategory.Error, "A_type_predicate_is_only_allowed_in_return_type_position_for_functions_and_methods_1228", "A type predicate is only allowed in return type position for functions and methods."),
+        A_type_predicate_cannot_reference_a_rest_parameter: diag(1229, ts.DiagnosticCategory.Error, "A_type_predicate_cannot_reference_a_rest_parameter_1229", "A type predicate cannot reference a rest parameter."),
+        A_type_predicate_cannot_reference_element_0_in_a_binding_pattern: diag(1230, ts.DiagnosticCategory.Error, "A_type_predicate_cannot_reference_element_0_in_a_binding_pattern_1230", "A type predicate cannot reference element '{0}' in a binding pattern."),
+        An_export_assignment_can_only_be_used_in_a_module: diag(1231, ts.DiagnosticCategory.Error, "An_export_assignment_can_only_be_used_in_a_module_1231", "An export assignment can only be used in a module."),
+        An_import_declaration_can_only_be_used_in_a_namespace_or_module: diag(1232, ts.DiagnosticCategory.Error, "An_import_declaration_can_only_be_used_in_a_namespace_or_module_1232", "An import declaration can only be used in a namespace or module."),
+        An_export_declaration_can_only_be_used_in_a_module: diag(1233, ts.DiagnosticCategory.Error, "An_export_declaration_can_only_be_used_in_a_module_1233", "An export declaration can only be used in a module."),
+        An_ambient_module_declaration_is_only_allowed_at_the_top_level_in_a_file: diag(1234, ts.DiagnosticCategory.Error, "An_ambient_module_declaration_is_only_allowed_at_the_top_level_in_a_file_1234", "An ambient module declaration is only allowed at the top level in a file."),
+        A_namespace_declaration_is_only_allowed_in_a_namespace_or_module: diag(1235, ts.DiagnosticCategory.Error, "A_namespace_declaration_is_only_allowed_in_a_namespace_or_module_1235", "A namespace declaration is only allowed in a namespace or module."),
+        The_return_type_of_a_property_decorator_function_must_be_either_void_or_any: diag(1236, ts.DiagnosticCategory.Error, "The_return_type_of_a_property_decorator_function_must_be_either_void_or_any_1236", "The return type of a property decorator function must be either 'void' or 'any'."),
+        The_return_type_of_a_parameter_decorator_function_must_be_either_void_or_any: diag(1237, ts.DiagnosticCategory.Error, "The_return_type_of_a_parameter_decorator_function_must_be_either_void_or_any_1237", "The return type of a parameter decorator function must be either 'void' or 'any'."),
+        Unable_to_resolve_signature_of_class_decorator_when_called_as_an_expression: diag(1238, ts.DiagnosticCategory.Error, "Unable_to_resolve_signature_of_class_decorator_when_called_as_an_expression_1238", "Unable to resolve signature of class decorator when called as an expression."),
+        Unable_to_resolve_signature_of_parameter_decorator_when_called_as_an_expression: diag(1239, ts.DiagnosticCategory.Error, "Unable_to_resolve_signature_of_parameter_decorator_when_called_as_an_expression_1239", "Unable to resolve signature of parameter decorator when called as an expression."),
+        Unable_to_resolve_signature_of_property_decorator_when_called_as_an_expression: diag(1240, ts.DiagnosticCategory.Error, "Unable_to_resolve_signature_of_property_decorator_when_called_as_an_expression_1240", "Unable to resolve signature of property decorator when called as an expression."),
+        Unable_to_resolve_signature_of_method_decorator_when_called_as_an_expression: diag(1241, ts.DiagnosticCategory.Error, "Unable_to_resolve_signature_of_method_decorator_when_called_as_an_expression_1241", "Unable to resolve signature of method decorator when called as an expression."),
+        abstract_modifier_can_only_appear_on_a_class_method_or_property_declaration: diag(1242, ts.DiagnosticCategory.Error, "abstract_modifier_can_only_appear_on_a_class_method_or_property_declaration_1242", "'abstract' modifier can only appear on a class, method, or property declaration."),
+        _0_modifier_cannot_be_used_with_1_modifier: diag(1243, ts.DiagnosticCategory.Error, "_0_modifier_cannot_be_used_with_1_modifier_1243", "'{0}' modifier cannot be used with '{1}' modifier."),
+        Abstract_methods_can_only_appear_within_an_abstract_class: diag(1244, ts.DiagnosticCategory.Error, "Abstract_methods_can_only_appear_within_an_abstract_class_1244", "Abstract methods can only appear within an abstract class."),
+        Method_0_cannot_have_an_implementation_because_it_is_marked_abstract: diag(1245, ts.DiagnosticCategory.Error, "Method_0_cannot_have_an_implementation_because_it_is_marked_abstract_1245", "Method '{0}' cannot have an implementation because it is marked abstract."),
+        An_interface_property_cannot_have_an_initializer: diag(1246, ts.DiagnosticCategory.Error, "An_interface_property_cannot_have_an_initializer_1246", "An interface property cannot have an initializer."),
+        A_type_literal_property_cannot_have_an_initializer: diag(1247, ts.DiagnosticCategory.Error, "A_type_literal_property_cannot_have_an_initializer_1247", "A type literal property cannot have an initializer."),
+        A_class_member_cannot_have_the_0_keyword: diag(1248, ts.DiagnosticCategory.Error, "A_class_member_cannot_have_the_0_keyword_1248", "A class member cannot have the '{0}' keyword."),
+        A_decorator_can_only_decorate_a_method_implementation_not_an_overload: diag(1249, ts.DiagnosticCategory.Error, "A_decorator_can_only_decorate_a_method_implementation_not_an_overload_1249", "A decorator can only decorate a method implementation, not an overload."),
+        Function_declarations_are_not_allowed_inside_blocks_in_strict_mode_when_targeting_ES3_or_ES5: diag(1250, ts.DiagnosticCategory.Error, "Function_declarations_are_not_allowed_inside_blocks_in_strict_mode_when_targeting_ES3_or_ES5_1250", "Function declarations are not allowed inside blocks in strict mode when targeting 'ES3' or 'ES5'."),
+        Function_declarations_are_not_allowed_inside_blocks_in_strict_mode_when_targeting_ES3_or_ES5_Class_definitions_are_automatically_in_strict_mode: diag(1251, ts.DiagnosticCategory.Error, "Function_declarations_are_not_allowed_inside_blocks_in_strict_mode_when_targeting_ES3_or_ES5_Class_d_1251", "Function declarations are not allowed inside blocks in strict mode when targeting 'ES3' or 'ES5'. Class definitions are automatically in strict mode."),
+        Function_declarations_are_not_allowed_inside_blocks_in_strict_mode_when_targeting_ES3_or_ES5_Modules_are_automatically_in_strict_mode: diag(1252, ts.DiagnosticCategory.Error, "Function_declarations_are_not_allowed_inside_blocks_in_strict_mode_when_targeting_ES3_or_ES5_Modules_1252", "Function declarations are not allowed inside blocks in strict mode when targeting 'ES3' or 'ES5'. Modules are automatically in strict mode."),
+        _0_tag_cannot_be_used_independently_as_a_top_level_JSDoc_tag: diag(1253, ts.DiagnosticCategory.Error, "_0_tag_cannot_be_used_independently_as_a_top_level_JSDoc_tag_1253", "'{0}' tag cannot be used independently as a top level JSDoc tag."),
+        A_const_initializer_in_an_ambient_context_must_be_a_string_or_numeric_literal: diag(1254, ts.DiagnosticCategory.Error, "A_const_initializer_in_an_ambient_context_must_be_a_string_or_numeric_literal_1254", "A 'const' initializer in an ambient context must be a string or numeric literal."),
+        with_statements_are_not_allowed_in_an_async_function_block: diag(1300, ts.DiagnosticCategory.Error, "with_statements_are_not_allowed_in_an_async_function_block_1300", "'with' statements are not allowed in an async function block."),
+        await_expression_is_only_allowed_within_an_async_function: diag(1308, ts.DiagnosticCategory.Error, "await_expression_is_only_allowed_within_an_async_function_1308", "'await' expression is only allowed within an async function."),
+        can_only_be_used_in_an_object_literal_property_inside_a_destructuring_assignment: diag(1312, ts.DiagnosticCategory.Error, "can_only_be_used_in_an_object_literal_property_inside_a_destructuring_assignment_1312", "'=' can only be used in an object literal property inside a destructuring assignment."),
+        The_body_of_an_if_statement_cannot_be_the_empty_statement: diag(1313, ts.DiagnosticCategory.Error, "The_body_of_an_if_statement_cannot_be_the_empty_statement_1313", "The body of an 'if' statement cannot be the empty statement."),
+        Global_module_exports_may_only_appear_in_module_files: diag(1314, ts.DiagnosticCategory.Error, "Global_module_exports_may_only_appear_in_module_files_1314", "Global module exports may only appear in module files."),
+        Global_module_exports_may_only_appear_in_declaration_files: diag(1315, ts.DiagnosticCategory.Error, "Global_module_exports_may_only_appear_in_declaration_files_1315", "Global module exports may only appear in declaration files."),
+        Global_module_exports_may_only_appear_at_top_level: diag(1316, ts.DiagnosticCategory.Error, "Global_module_exports_may_only_appear_at_top_level_1316", "Global module exports may only appear at top level."),
+        A_parameter_property_cannot_be_declared_using_a_rest_parameter: diag(1317, ts.DiagnosticCategory.Error, "A_parameter_property_cannot_be_declared_using_a_rest_parameter_1317", "A parameter property cannot be declared using a rest parameter."),
+        An_abstract_accessor_cannot_have_an_implementation: diag(1318, ts.DiagnosticCategory.Error, "An_abstract_accessor_cannot_have_an_implementation_1318", "An abstract accessor cannot have an implementation."),
+        A_default_export_can_only_be_used_in_an_ECMAScript_style_module: diag(1319, ts.DiagnosticCategory.Error, "A_default_export_can_only_be_used_in_an_ECMAScript_style_module_1319", "A default export can only be used in an ECMAScript-style module."),
+        Type_of_await_operand_must_either_be_a_valid_promise_or_must_not_contain_a_callable_then_member: diag(1320, ts.DiagnosticCategory.Error, "Type_of_await_operand_must_either_be_a_valid_promise_or_must_not_contain_a_callable_then_member_1320", "Type of 'await' operand must either be a valid promise or must not contain a callable 'then' member."),
+        Type_of_yield_operand_in_an_async_generator_must_either_be_a_valid_promise_or_must_not_contain_a_callable_then_member: diag(1321, ts.DiagnosticCategory.Error, "Type_of_yield_operand_in_an_async_generator_must_either_be_a_valid_promise_or_must_not_contain_a_cal_1321", "Type of 'yield' operand in an async generator must either be a valid promise or must not contain a callable 'then' member."),
+        Type_of_iterated_elements_of_a_yield_Asterisk_operand_must_either_be_a_valid_promise_or_must_not_contain_a_callable_then_member: diag(1322, ts.DiagnosticCategory.Error, "Type_of_iterated_elements_of_a_yield_Asterisk_operand_must_either_be_a_valid_promise_or_must_not_con_1322", "Type of iterated elements of a 'yield*' operand must either be a valid promise or must not contain a callable 'then' member."),
+        Dynamic_import_cannot_be_used_when_targeting_ECMAScript_2015_modules: diag(1323, ts.DiagnosticCategory.Error, "Dynamic_import_cannot_be_used_when_targeting_ECMAScript_2015_modules_1323", "Dynamic import cannot be used when targeting ECMAScript 2015 modules."),
+        Dynamic_import_must_have_one_specifier_as_an_argument: diag(1324, ts.DiagnosticCategory.Error, "Dynamic_import_must_have_one_specifier_as_an_argument_1324", "Dynamic import must have one specifier as an argument."),
+        Specifier_of_dynamic_import_cannot_be_spread_element: diag(1325, ts.DiagnosticCategory.Error, "Specifier_of_dynamic_import_cannot_be_spread_element_1325", "Specifier of dynamic import cannot be spread element."),
+        Dynamic_import_cannot_have_type_arguments: diag(1326, ts.DiagnosticCategory.Error, "Dynamic_import_cannot_have_type_arguments_1326", "Dynamic import cannot have type arguments"),
+        String_literal_with_double_quotes_expected: diag(1327, ts.DiagnosticCategory.Error, "String_literal_with_double_quotes_expected_1327", "String literal with double quotes expected."),
+        Property_value_can_only_be_string_literal_numeric_literal_true_false_null_object_literal_or_array_literal: diag(1328, ts.DiagnosticCategory.Error, "Property_value_can_only_be_string_literal_numeric_literal_true_false_null_object_literal_or_array_li_1328", "Property value can only be string literal, numeric literal, 'true', 'false', 'null', object literal or array literal."),
+        Duplicate_identifier_0: diag(2300, ts.DiagnosticCategory.Error, "Duplicate_identifier_0_2300", "Duplicate identifier '{0}'."),
+        Initializer_of_instance_member_variable_0_cannot_reference_identifier_1_declared_in_the_constructor: diag(2301, ts.DiagnosticCategory.Error, "Initializer_of_instance_member_variable_0_cannot_reference_identifier_1_declared_in_the_constructor_2301", "Initializer of instance member variable '{0}' cannot reference identifier '{1}' declared in the constructor."),
+        Static_members_cannot_reference_class_type_parameters: diag(2302, ts.DiagnosticCategory.Error, "Static_members_cannot_reference_class_type_parameters_2302", "Static members cannot reference class type parameters."),
+        Circular_definition_of_import_alias_0: diag(2303, ts.DiagnosticCategory.Error, "Circular_definition_of_import_alias_0_2303", "Circular definition of import alias '{0}'."),
+        Cannot_find_name_0: diag(2304, ts.DiagnosticCategory.Error, "Cannot_find_name_0_2304", "Cannot find name '{0}'."),
+        Module_0_has_no_exported_member_1: diag(2305, ts.DiagnosticCategory.Error, "Module_0_has_no_exported_member_1_2305", "Module '{0}' has no exported member '{1}'."),
+        File_0_is_not_a_module: diag(2306, ts.DiagnosticCategory.Error, "File_0_is_not_a_module_2306", "File '{0}' is not a module."),
+        Cannot_find_module_0: diag(2307, ts.DiagnosticCategory.Error, "Cannot_find_module_0_2307", "Cannot find module '{0}'."),
+        Module_0_has_already_exported_a_member_named_1_Consider_explicitly_re_exporting_to_resolve_the_ambiguity: diag(2308, ts.DiagnosticCategory.Error, "Module_0_has_already_exported_a_member_named_1_Consider_explicitly_re_exporting_to_resolve_the_ambig_2308", "Module {0} has already exported a member named '{1}'. Consider explicitly re-exporting to resolve the ambiguity."),
+        An_export_assignment_cannot_be_used_in_a_module_with_other_exported_elements: diag(2309, ts.DiagnosticCategory.Error, "An_export_assignment_cannot_be_used_in_a_module_with_other_exported_elements_2309", "An export assignment cannot be used in a module with other exported elements."),
+        Type_0_recursively_references_itself_as_a_base_type: diag(2310, ts.DiagnosticCategory.Error, "Type_0_recursively_references_itself_as_a_base_type_2310", "Type '{0}' recursively references itself as a base type."),
+        A_class_may_only_extend_another_class: diag(2311, ts.DiagnosticCategory.Error, "A_class_may_only_extend_another_class_2311", "A class may only extend another class."),
+        An_interface_may_only_extend_a_class_or_another_interface: diag(2312, ts.DiagnosticCategory.Error, "An_interface_may_only_extend_a_class_or_another_interface_2312", "An interface may only extend a class or another interface."),
+        Type_parameter_0_has_a_circular_constraint: diag(2313, ts.DiagnosticCategory.Error, "Type_parameter_0_has_a_circular_constraint_2313", "Type parameter '{0}' has a circular constraint."),
+        Generic_type_0_requires_1_type_argument_s: diag(2314, ts.DiagnosticCategory.Error, "Generic_type_0_requires_1_type_argument_s_2314", "Generic type '{0}' requires {1} type argument(s)."),
+        Type_0_is_not_generic: diag(2315, ts.DiagnosticCategory.Error, "Type_0_is_not_generic_2315", "Type '{0}' is not generic."),
+        Global_type_0_must_be_a_class_or_interface_type: diag(2316, ts.DiagnosticCategory.Error, "Global_type_0_must_be_a_class_or_interface_type_2316", "Global type '{0}' must be a class or interface type."),
+        Global_type_0_must_have_1_type_parameter_s: diag(2317, ts.DiagnosticCategory.Error, "Global_type_0_must_have_1_type_parameter_s_2317", "Global type '{0}' must have {1} type parameter(s)."),
+        Cannot_find_global_type_0: diag(2318, ts.DiagnosticCategory.Error, "Cannot_find_global_type_0_2318", "Cannot find global type '{0}'."),
+        Named_property_0_of_types_1_and_2_are_not_identical: diag(2319, ts.DiagnosticCategory.Error, "Named_property_0_of_types_1_and_2_are_not_identical_2319", "Named property '{0}' of types '{1}' and '{2}' are not identical."),
+        Interface_0_cannot_simultaneously_extend_types_1_and_2: diag(2320, ts.DiagnosticCategory.Error, "Interface_0_cannot_simultaneously_extend_types_1_and_2_2320", "Interface '{0}' cannot simultaneously extend types '{1}' and '{2}'."),
+        Excessive_stack_depth_comparing_types_0_and_1: diag(2321, ts.DiagnosticCategory.Error, "Excessive_stack_depth_comparing_types_0_and_1_2321", "Excessive stack depth comparing types '{0}' and '{1}'."),
+        Type_0_is_not_assignable_to_type_1: diag(2322, ts.DiagnosticCategory.Error, "Type_0_is_not_assignable_to_type_1_2322", "Type '{0}' is not assignable to type '{1}'."),
+        Cannot_redeclare_exported_variable_0: diag(2323, ts.DiagnosticCategory.Error, "Cannot_redeclare_exported_variable_0_2323", "Cannot redeclare exported variable '{0}'."),
+        Property_0_is_missing_in_type_1: diag(2324, ts.DiagnosticCategory.Error, "Property_0_is_missing_in_type_1_2324", "Property '{0}' is missing in type '{1}'."),
+        Property_0_is_private_in_type_1_but_not_in_type_2: diag(2325, ts.DiagnosticCategory.Error, "Property_0_is_private_in_type_1_but_not_in_type_2_2325", "Property '{0}' is private in type '{1}' but not in type '{2}'."),
+        Types_of_property_0_are_incompatible: diag(2326, ts.DiagnosticCategory.Error, "Types_of_property_0_are_incompatible_2326", "Types of property '{0}' are incompatible."),
+        Property_0_is_optional_in_type_1_but_required_in_type_2: diag(2327, ts.DiagnosticCategory.Error, "Property_0_is_optional_in_type_1_but_required_in_type_2_2327", "Property '{0}' is optional in type '{1}' but required in type '{2}'."),
+        Types_of_parameters_0_and_1_are_incompatible: diag(2328, ts.DiagnosticCategory.Error, "Types_of_parameters_0_and_1_are_incompatible_2328", "Types of parameters '{0}' and '{1}' are incompatible."),
+        Index_signature_is_missing_in_type_0: diag(2329, ts.DiagnosticCategory.Error, "Index_signature_is_missing_in_type_0_2329", "Index signature is missing in type '{0}'."),
+        Index_signatures_are_incompatible: diag(2330, ts.DiagnosticCategory.Error, "Index_signatures_are_incompatible_2330", "Index signatures are incompatible."),
+        this_cannot_be_referenced_in_a_module_or_namespace_body: diag(2331, ts.DiagnosticCategory.Error, "this_cannot_be_referenced_in_a_module_or_namespace_body_2331", "'this' cannot be referenced in a module or namespace body."),
+        this_cannot_be_referenced_in_current_location: diag(2332, ts.DiagnosticCategory.Error, "this_cannot_be_referenced_in_current_location_2332", "'this' cannot be referenced in current location."),
+        this_cannot_be_referenced_in_constructor_arguments: diag(2333, ts.DiagnosticCategory.Error, "this_cannot_be_referenced_in_constructor_arguments_2333", "'this' cannot be referenced in constructor arguments."),
+        this_cannot_be_referenced_in_a_static_property_initializer: diag(2334, ts.DiagnosticCategory.Error, "this_cannot_be_referenced_in_a_static_property_initializer_2334", "'this' cannot be referenced in a static property initializer."),
+        super_can_only_be_referenced_in_a_derived_class: diag(2335, ts.DiagnosticCategory.Error, "super_can_only_be_referenced_in_a_derived_class_2335", "'super' can only be referenced in a derived class."),
+        super_cannot_be_referenced_in_constructor_arguments: diag(2336, ts.DiagnosticCategory.Error, "super_cannot_be_referenced_in_constructor_arguments_2336", "'super' cannot be referenced in constructor arguments."),
+        Super_calls_are_not_permitted_outside_constructors_or_in_nested_functions_inside_constructors: diag(2337, ts.DiagnosticCategory.Error, "Super_calls_are_not_permitted_outside_constructors_or_in_nested_functions_inside_constructors_2337", "Super calls are not permitted outside constructors or in nested functions inside constructors."),
+        super_property_access_is_permitted_only_in_a_constructor_member_function_or_member_accessor_of_a_derived_class: diag(2338, ts.DiagnosticCategory.Error, "super_property_access_is_permitted_only_in_a_constructor_member_function_or_member_accessor_of_a_der_2338", "'super' property access is permitted only in a constructor, member function, or member accessor of a derived class."),
+        Property_0_does_not_exist_on_type_1: diag(2339, ts.DiagnosticCategory.Error, "Property_0_does_not_exist_on_type_1_2339", "Property '{0}' does not exist on type '{1}'."),
+        Only_public_and_protected_methods_of_the_base_class_are_accessible_via_the_super_keyword: diag(2340, ts.DiagnosticCategory.Error, "Only_public_and_protected_methods_of_the_base_class_are_accessible_via_the_super_keyword_2340", "Only public and protected methods of the base class are accessible via the 'super' keyword."),
+        Property_0_is_private_and_only_accessible_within_class_1: diag(2341, ts.DiagnosticCategory.Error, "Property_0_is_private_and_only_accessible_within_class_1_2341", "Property '{0}' is private and only accessible within class '{1}'."),
+        An_index_expression_argument_must_be_of_type_string_number_symbol_or_any: diag(2342, ts.DiagnosticCategory.Error, "An_index_expression_argument_must_be_of_type_string_number_symbol_or_any_2342", "An index expression argument must be of type 'string', 'number', 'symbol', or 'any'."),
+        This_syntax_requires_an_imported_helper_named_1_but_module_0_has_no_exported_member_1: diag(2343, ts.DiagnosticCategory.Error, "This_syntax_requires_an_imported_helper_named_1_but_module_0_has_no_exported_member_1_2343", "This syntax requires an imported helper named '{1}', but module '{0}' has no exported member '{1}'."),
+        Type_0_does_not_satisfy_the_constraint_1: diag(2344, ts.DiagnosticCategory.Error, "Type_0_does_not_satisfy_the_constraint_1_2344", "Type '{0}' does not satisfy the constraint '{1}'."),
+        Argument_of_type_0_is_not_assignable_to_parameter_of_type_1: diag(2345, ts.DiagnosticCategory.Error, "Argument_of_type_0_is_not_assignable_to_parameter_of_type_1_2345", "Argument of type '{0}' is not assignable to parameter of type '{1}'."),
+        Call_target_does_not_contain_any_signatures: diag(2346, ts.DiagnosticCategory.Error, "Call_target_does_not_contain_any_signatures_2346", "Call target does not contain any signatures."),
+        Untyped_function_calls_may_not_accept_type_arguments: diag(2347, ts.DiagnosticCategory.Error, "Untyped_function_calls_may_not_accept_type_arguments_2347", "Untyped function calls may not accept type arguments."),
+        Value_of_type_0_is_not_callable_Did_you_mean_to_include_new: diag(2348, ts.DiagnosticCategory.Error, "Value_of_type_0_is_not_callable_Did_you_mean_to_include_new_2348", "Value of type '{0}' is not callable. Did you mean to include 'new'?"),
+        Cannot_invoke_an_expression_whose_type_lacks_a_call_signature_Type_0_has_no_compatible_call_signatures: diag(2349, ts.DiagnosticCategory.Error, "Cannot_invoke_an_expression_whose_type_lacks_a_call_signature_Type_0_has_no_compatible_call_signatur_2349", "Cannot invoke an expression whose type lacks a call signature. Type '{0}' has no compatible call signatures."),
+        Only_a_void_function_can_be_called_with_the_new_keyword: diag(2350, ts.DiagnosticCategory.Error, "Only_a_void_function_can_be_called_with_the_new_keyword_2350", "Only a void function can be called with the 'new' keyword."),
+        Cannot_use_new_with_an_expression_whose_type_lacks_a_call_or_construct_signature: diag(2351, ts.DiagnosticCategory.Error, "Cannot_use_new_with_an_expression_whose_type_lacks_a_call_or_construct_signature_2351", "Cannot use 'new' with an expression whose type lacks a call or construct signature."),
+        Type_0_cannot_be_converted_to_type_1: diag(2352, ts.DiagnosticCategory.Error, "Type_0_cannot_be_converted_to_type_1_2352", "Type '{0}' cannot be converted to type '{1}'."),
+        Object_literal_may_only_specify_known_properties_and_0_does_not_exist_in_type_1: diag(2353, ts.DiagnosticCategory.Error, "Object_literal_may_only_specify_known_properties_and_0_does_not_exist_in_type_1_2353", "Object literal may only specify known properties, and '{0}' does not exist in type '{1}'."),
+        This_syntax_requires_an_imported_helper_but_module_0_cannot_be_found: diag(2354, ts.DiagnosticCategory.Error, "This_syntax_requires_an_imported_helper_but_module_0_cannot_be_found_2354", "This syntax requires an imported helper but module '{0}' cannot be found."),
+        A_function_whose_declared_type_is_neither_void_nor_any_must_return_a_value: diag(2355, ts.DiagnosticCategory.Error, "A_function_whose_declared_type_is_neither_void_nor_any_must_return_a_value_2355", "A function whose declared type is neither 'void' nor 'any' must return a value."),
+        An_arithmetic_operand_must_be_of_type_any_number_or_an_enum_type: diag(2356, ts.DiagnosticCategory.Error, "An_arithmetic_operand_must_be_of_type_any_number_or_an_enum_type_2356", "An arithmetic operand must be of type 'any', 'number' or an enum type."),
+        The_operand_of_an_increment_or_decrement_operator_must_be_a_variable_or_a_property_access: diag(2357, ts.DiagnosticCategory.Error, "The_operand_of_an_increment_or_decrement_operator_must_be_a_variable_or_a_property_access_2357", "The operand of an increment or decrement operator must be a variable or a property access."),
+        The_left_hand_side_of_an_instanceof_expression_must_be_of_type_any_an_object_type_or_a_type_parameter: diag(2358, ts.DiagnosticCategory.Error, "The_left_hand_side_of_an_instanceof_expression_must_be_of_type_any_an_object_type_or_a_type_paramete_2358", "The left-hand side of an 'instanceof' expression must be of type 'any', an object type or a type parameter."),
+        The_right_hand_side_of_an_instanceof_expression_must_be_of_type_any_or_of_a_type_assignable_to_the_Function_interface_type: diag(2359, ts.DiagnosticCategory.Error, "The_right_hand_side_of_an_instanceof_expression_must_be_of_type_any_or_of_a_type_assignable_to_the_F_2359", "The right-hand side of an 'instanceof' expression must be of type 'any' or of a type assignable to the 'Function' interface type."),
+        The_left_hand_side_of_an_in_expression_must_be_of_type_any_string_number_or_symbol: diag(2360, ts.DiagnosticCategory.Error, "The_left_hand_side_of_an_in_expression_must_be_of_type_any_string_number_or_symbol_2360", "The left-hand side of an 'in' expression must be of type 'any', 'string', 'number', or 'symbol'."),
+        The_right_hand_side_of_an_in_expression_must_be_of_type_any_an_object_type_or_a_type_parameter: diag(2361, ts.DiagnosticCategory.Error, "The_right_hand_side_of_an_in_expression_must_be_of_type_any_an_object_type_or_a_type_parameter_2361", "The right-hand side of an 'in' expression must be of type 'any', an object type or a type parameter."),
+        The_left_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_or_an_enum_type: diag(2362, ts.DiagnosticCategory.Error, "The_left_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_or_an_enum_type_2362", "The left-hand side of an arithmetic operation must be of type 'any', 'number' or an enum type."),
+        The_right_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_or_an_enum_type: diag(2363, ts.DiagnosticCategory.Error, "The_right_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_or_an_enum_type_2363", "The right-hand side of an arithmetic operation must be of type 'any', 'number' or an enum type."),
+        The_left_hand_side_of_an_assignment_expression_must_be_a_variable_or_a_property_access: diag(2364, ts.DiagnosticCategory.Error, "The_left_hand_side_of_an_assignment_expression_must_be_a_variable_or_a_property_access_2364", "The left-hand side of an assignment expression must be a variable or a property access."),
+        Operator_0_cannot_be_applied_to_types_1_and_2: diag(2365, ts.DiagnosticCategory.Error, "Operator_0_cannot_be_applied_to_types_1_and_2_2365", "Operator '{0}' cannot be applied to types '{1}' and '{2}'."),
+        Function_lacks_ending_return_statement_and_return_type_does_not_include_undefined: diag(2366, ts.DiagnosticCategory.Error, "Function_lacks_ending_return_statement_and_return_type_does_not_include_undefined_2366", "Function lacks ending return statement and return type does not include 'undefined'."),
+        Type_parameter_name_cannot_be_0: diag(2368, ts.DiagnosticCategory.Error, "Type_parameter_name_cannot_be_0_2368", "Type parameter name cannot be '{0}'."),
+        A_parameter_property_is_only_allowed_in_a_constructor_implementation: diag(2369, ts.DiagnosticCategory.Error, "A_parameter_property_is_only_allowed_in_a_constructor_implementation_2369", "A parameter property is only allowed in a constructor implementation."),
+        A_rest_parameter_must_be_of_an_array_type: diag(2370, ts.DiagnosticCategory.Error, "A_rest_parameter_must_be_of_an_array_type_2370", "A rest parameter must be of an array type."),
+        A_parameter_initializer_is_only_allowed_in_a_function_or_constructor_implementation: diag(2371, ts.DiagnosticCategory.Error, "A_parameter_initializer_is_only_allowed_in_a_function_or_constructor_implementation_2371", "A parameter initializer is only allowed in a function or constructor implementation."),
+        Parameter_0_cannot_be_referenced_in_its_initializer: diag(2372, ts.DiagnosticCategory.Error, "Parameter_0_cannot_be_referenced_in_its_initializer_2372", "Parameter '{0}' cannot be referenced in its initializer."),
+        Initializer_of_parameter_0_cannot_reference_identifier_1_declared_after_it: diag(2373, ts.DiagnosticCategory.Error, "Initializer_of_parameter_0_cannot_reference_identifier_1_declared_after_it_2373", "Initializer of parameter '{0}' cannot reference identifier '{1}' declared after it."),
+        Duplicate_string_index_signature: diag(2374, ts.DiagnosticCategory.Error, "Duplicate_string_index_signature_2374", "Duplicate string index signature."),
+        Duplicate_number_index_signature: diag(2375, ts.DiagnosticCategory.Error, "Duplicate_number_index_signature_2375", "Duplicate number index signature."),
+        A_super_call_must_be_the_first_statement_in_the_constructor_when_a_class_contains_initialized_properties_or_has_parameter_properties: diag(2376, ts.DiagnosticCategory.Error, "A_super_call_must_be_the_first_statement_in_the_constructor_when_a_class_contains_initialized_proper_2376", "A 'super' call must be the first statement in the constructor when a class contains initialized properties or has parameter properties."),
+        Constructors_for_derived_classes_must_contain_a_super_call: diag(2377, ts.DiagnosticCategory.Error, "Constructors_for_derived_classes_must_contain_a_super_call_2377", "Constructors for derived classes must contain a 'super' call."),
+        A_get_accessor_must_return_a_value: diag(2378, ts.DiagnosticCategory.Error, "A_get_accessor_must_return_a_value_2378", "A 'get' accessor must return a value."),
+        Getter_and_setter_accessors_do_not_agree_in_visibility: diag(2379, ts.DiagnosticCategory.Error, "Getter_and_setter_accessors_do_not_agree_in_visibility_2379", "Getter and setter accessors do not agree in visibility."),
+        get_and_set_accessor_must_have_the_same_type: diag(2380, ts.DiagnosticCategory.Error, "get_and_set_accessor_must_have_the_same_type_2380", "'get' and 'set' accessor must have the same type."),
+        A_signature_with_an_implementation_cannot_use_a_string_literal_type: diag(2381, ts.DiagnosticCategory.Error, "A_signature_with_an_implementation_cannot_use_a_string_literal_type_2381", "A signature with an implementation cannot use a string literal type."),
+        Specialized_overload_signature_is_not_assignable_to_any_non_specialized_signature: diag(2382, ts.DiagnosticCategory.Error, "Specialized_overload_signature_is_not_assignable_to_any_non_specialized_signature_2382", "Specialized overload signature is not assignable to any non-specialized signature."),
+        Overload_signatures_must_all_be_exported_or_non_exported: diag(2383, ts.DiagnosticCategory.Error, "Overload_signatures_must_all_be_exported_or_non_exported_2383", "Overload signatures must all be exported or non-exported."),
+        Overload_signatures_must_all_be_ambient_or_non_ambient: diag(2384, ts.DiagnosticCategory.Error, "Overload_signatures_must_all_be_ambient_or_non_ambient_2384", "Overload signatures must all be ambient or non-ambient."),
+        Overload_signatures_must_all_be_public_private_or_protected: diag(2385, ts.DiagnosticCategory.Error, "Overload_signatures_must_all_be_public_private_or_protected_2385", "Overload signatures must all be public, private or protected."),
+        Overload_signatures_must_all_be_optional_or_required: diag(2386, ts.DiagnosticCategory.Error, "Overload_signatures_must_all_be_optional_or_required_2386", "Overload signatures must all be optional or required."),
+        Function_overload_must_be_static: diag(2387, ts.DiagnosticCategory.Error, "Function_overload_must_be_static_2387", "Function overload must be static."),
+        Function_overload_must_not_be_static: diag(2388, ts.DiagnosticCategory.Error, "Function_overload_must_not_be_static_2388", "Function overload must not be static."),
+        Function_implementation_name_must_be_0: diag(2389, ts.DiagnosticCategory.Error, "Function_implementation_name_must_be_0_2389", "Function implementation name must be '{0}'."),
+        Constructor_implementation_is_missing: diag(2390, ts.DiagnosticCategory.Error, "Constructor_implementation_is_missing_2390", "Constructor implementation is missing."),
+        Function_implementation_is_missing_or_not_immediately_following_the_declaration: diag(2391, ts.DiagnosticCategory.Error, "Function_implementation_is_missing_or_not_immediately_following_the_declaration_2391", "Function implementation is missing or not immediately following the declaration."),
+        Multiple_constructor_implementations_are_not_allowed: diag(2392, ts.DiagnosticCategory.Error, "Multiple_constructor_implementations_are_not_allowed_2392", "Multiple constructor implementations are not allowed."),
+        Duplicate_function_implementation: diag(2393, ts.DiagnosticCategory.Error, "Duplicate_function_implementation_2393", "Duplicate function implementation."),
+        Overload_signature_is_not_compatible_with_function_implementation: diag(2394, ts.DiagnosticCategory.Error, "Overload_signature_is_not_compatible_with_function_implementation_2394", "Overload signature is not compatible with function implementation."),
+        Individual_declarations_in_merged_declaration_0_must_be_all_exported_or_all_local: diag(2395, ts.DiagnosticCategory.Error, "Individual_declarations_in_merged_declaration_0_must_be_all_exported_or_all_local_2395", "Individual declarations in merged declaration '{0}' must be all exported or all local."),
+        Duplicate_identifier_arguments_Compiler_uses_arguments_to_initialize_rest_parameters: diag(2396, ts.DiagnosticCategory.Error, "Duplicate_identifier_arguments_Compiler_uses_arguments_to_initialize_rest_parameters_2396", "Duplicate identifier 'arguments'. Compiler uses 'arguments' to initialize rest parameters."),
+        Declaration_name_conflicts_with_built_in_global_identifier_0: diag(2397, ts.DiagnosticCategory.Error, "Declaration_name_conflicts_with_built_in_global_identifier_0_2397", "Declaration name conflicts with built-in global identifier '{0}'."),
+        Duplicate_identifier_this_Compiler_uses_variable_declaration_this_to_capture_this_reference: diag(2399, ts.DiagnosticCategory.Error, "Duplicate_identifier_this_Compiler_uses_variable_declaration_this_to_capture_this_reference_2399", "Duplicate identifier '_this'. Compiler uses variable declaration '_this' to capture 'this' reference."),
+        Expression_resolves_to_variable_declaration_this_that_compiler_uses_to_capture_this_reference: diag(2400, ts.DiagnosticCategory.Error, "Expression_resolves_to_variable_declaration_this_that_compiler_uses_to_capture_this_reference_2400", "Expression resolves to variable declaration '_this' that compiler uses to capture 'this' reference."),
+        Duplicate_identifier_super_Compiler_uses_super_to_capture_base_class_reference: diag(2401, ts.DiagnosticCategory.Error, "Duplicate_identifier_super_Compiler_uses_super_to_capture_base_class_reference_2401", "Duplicate identifier '_super'. Compiler uses '_super' to capture base class reference."),
+        Expression_resolves_to_super_that_compiler_uses_to_capture_base_class_reference: diag(2402, ts.DiagnosticCategory.Error, "Expression_resolves_to_super_that_compiler_uses_to_capture_base_class_reference_2402", "Expression resolves to '_super' that compiler uses to capture base class reference."),
+        Subsequent_variable_declarations_must_have_the_same_type_Variable_0_must_be_of_type_1_but_here_has_type_2: diag(2403, ts.DiagnosticCategory.Error, "Subsequent_variable_declarations_must_have_the_same_type_Variable_0_must_be_of_type_1_but_here_has_t_2403", "Subsequent variable declarations must have the same type.  Variable '{0}' must be of type '{1}', but here has type '{2}'."),
+        The_left_hand_side_of_a_for_in_statement_cannot_use_a_type_annotation: diag(2404, ts.DiagnosticCategory.Error, "The_left_hand_side_of_a_for_in_statement_cannot_use_a_type_annotation_2404", "The left-hand side of a 'for...in' statement cannot use a type annotation."),
+        The_left_hand_side_of_a_for_in_statement_must_be_of_type_string_or_any: diag(2405, ts.DiagnosticCategory.Error, "The_left_hand_side_of_a_for_in_statement_must_be_of_type_string_or_any_2405", "The left-hand side of a 'for...in' statement must be of type 'string' or 'any'."),
+        The_left_hand_side_of_a_for_in_statement_must_be_a_variable_or_a_property_access: diag(2406, ts.DiagnosticCategory.Error, "The_left_hand_side_of_a_for_in_statement_must_be_a_variable_or_a_property_access_2406", "The left-hand side of a 'for...in' statement must be a variable or a property access."),
+        The_right_hand_side_of_a_for_in_statement_must_be_of_type_any_an_object_type_or_a_type_parameter: diag(2407, ts.DiagnosticCategory.Error, "The_right_hand_side_of_a_for_in_statement_must_be_of_type_any_an_object_type_or_a_type_parameter_2407", "The right-hand side of a 'for...in' statement must be of type 'any', an object type or a type parameter."),
+        Setters_cannot_return_a_value: diag(2408, ts.DiagnosticCategory.Error, "Setters_cannot_return_a_value_2408", "Setters cannot return a value."),
+        Return_type_of_constructor_signature_must_be_assignable_to_the_instance_type_of_the_class: diag(2409, ts.DiagnosticCategory.Error, "Return_type_of_constructor_signature_must_be_assignable_to_the_instance_type_of_the_class_2409", "Return type of constructor signature must be assignable to the instance type of the class."),
+        The_with_statement_is_not_supported_All_symbols_in_a_with_block_will_have_type_any: diag(2410, ts.DiagnosticCategory.Error, "The_with_statement_is_not_supported_All_symbols_in_a_with_block_will_have_type_any_2410", "The 'with' statement is not supported. All symbols in a 'with' block will have type 'any'."),
+        Property_0_of_type_1_is_not_assignable_to_string_index_type_2: diag(2411, ts.DiagnosticCategory.Error, "Property_0_of_type_1_is_not_assignable_to_string_index_type_2_2411", "Property '{0}' of type '{1}' is not assignable to string index type '{2}'."),
+        Property_0_of_type_1_is_not_assignable_to_numeric_index_type_2: diag(2412, ts.DiagnosticCategory.Error, "Property_0_of_type_1_is_not_assignable_to_numeric_index_type_2_2412", "Property '{0}' of type '{1}' is not assignable to numeric index type '{2}'."),
+        Numeric_index_type_0_is_not_assignable_to_string_index_type_1: diag(2413, ts.DiagnosticCategory.Error, "Numeric_index_type_0_is_not_assignable_to_string_index_type_1_2413", "Numeric index type '{0}' is not assignable to string index type '{1}'."),
+        Class_name_cannot_be_0: diag(2414, ts.DiagnosticCategory.Error, "Class_name_cannot_be_0_2414", "Class name cannot be '{0}'."),
+        Class_0_incorrectly_extends_base_class_1: diag(2415, ts.DiagnosticCategory.Error, "Class_0_incorrectly_extends_base_class_1_2415", "Class '{0}' incorrectly extends base class '{1}'."),
+        Class_static_side_0_incorrectly_extends_base_class_static_side_1: diag(2417, ts.DiagnosticCategory.Error, "Class_static_side_0_incorrectly_extends_base_class_static_side_1_2417", "Class static side '{0}' incorrectly extends base class static side '{1}'."),
+        Class_0_incorrectly_implements_interface_1: diag(2420, ts.DiagnosticCategory.Error, "Class_0_incorrectly_implements_interface_1_2420", "Class '{0}' incorrectly implements interface '{1}'."),
+        A_class_may_only_implement_another_class_or_interface: diag(2422, ts.DiagnosticCategory.Error, "A_class_may_only_implement_another_class_or_interface_2422", "A class may only implement another class or interface."),
+        Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_accessor: diag(2423, ts.DiagnosticCategory.Error, "Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_access_2423", "Class '{0}' defines instance member function '{1}', but extended class '{2}' defines it as instance member accessor."),
+        Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_property: diag(2424, ts.DiagnosticCategory.Error, "Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_proper_2424", "Class '{0}' defines instance member function '{1}', but extended class '{2}' defines it as instance member property."),
+        Class_0_defines_instance_member_property_1_but_extended_class_2_defines_it_as_instance_member_function: diag(2425, ts.DiagnosticCategory.Error, "Class_0_defines_instance_member_property_1_but_extended_class_2_defines_it_as_instance_member_functi_2425", "Class '{0}' defines instance member property '{1}', but extended class '{2}' defines it as instance member function."),
+        Class_0_defines_instance_member_accessor_1_but_extended_class_2_defines_it_as_instance_member_function: diag(2426, ts.DiagnosticCategory.Error, "Class_0_defines_instance_member_accessor_1_but_extended_class_2_defines_it_as_instance_member_functi_2426", "Class '{0}' defines instance member accessor '{1}', but extended class '{2}' defines it as instance member function."),
+        Interface_name_cannot_be_0: diag(2427, ts.DiagnosticCategory.Error, "Interface_name_cannot_be_0_2427", "Interface name cannot be '{0}'."),
+        All_declarations_of_0_must_have_identical_type_parameters: diag(2428, ts.DiagnosticCategory.Error, "All_declarations_of_0_must_have_identical_type_parameters_2428", "All declarations of '{0}' must have identical type parameters."),
+        Interface_0_incorrectly_extends_interface_1: diag(2430, ts.DiagnosticCategory.Error, "Interface_0_incorrectly_extends_interface_1_2430", "Interface '{0}' incorrectly extends interface '{1}'."),
+        Enum_name_cannot_be_0: diag(2431, ts.DiagnosticCategory.Error, "Enum_name_cannot_be_0_2431", "Enum name cannot be '{0}'."),
+        In_an_enum_with_multiple_declarations_only_one_declaration_can_omit_an_initializer_for_its_first_enum_element: diag(2432, ts.DiagnosticCategory.Error, "In_an_enum_with_multiple_declarations_only_one_declaration_can_omit_an_initializer_for_its_first_enu_2432", "In an enum with multiple declarations, only one declaration can omit an initializer for its first enum element."),
+        A_namespace_declaration_cannot_be_in_a_different_file_from_a_class_or_function_with_which_it_is_merged: diag(2433, ts.DiagnosticCategory.Error, "A_namespace_declaration_cannot_be_in_a_different_file_from_a_class_or_function_with_which_it_is_merg_2433", "A namespace declaration cannot be in a different file from a class or function with which it is merged."),
+        A_namespace_declaration_cannot_be_located_prior_to_a_class_or_function_with_which_it_is_merged: diag(2434, ts.DiagnosticCategory.Error, "A_namespace_declaration_cannot_be_located_prior_to_a_class_or_function_with_which_it_is_merged_2434", "A namespace declaration cannot be located prior to a class or function with which it is merged."),
+        Ambient_modules_cannot_be_nested_in_other_modules_or_namespaces: diag(2435, ts.DiagnosticCategory.Error, "Ambient_modules_cannot_be_nested_in_other_modules_or_namespaces_2435", "Ambient modules cannot be nested in other modules or namespaces."),
+        Ambient_module_declaration_cannot_specify_relative_module_name: diag(2436, ts.DiagnosticCategory.Error, "Ambient_module_declaration_cannot_specify_relative_module_name_2436", "Ambient module declaration cannot specify relative module name."),
+        Module_0_is_hidden_by_a_local_declaration_with_the_same_name: diag(2437, ts.DiagnosticCategory.Error, "Module_0_is_hidden_by_a_local_declaration_with_the_same_name_2437", "Module '{0}' is hidden by a local declaration with the same name."),
+        Import_name_cannot_be_0: diag(2438, ts.DiagnosticCategory.Error, "Import_name_cannot_be_0_2438", "Import name cannot be '{0}'."),
+        Import_or_export_declaration_in_an_ambient_module_declaration_cannot_reference_module_through_relative_module_name: diag(2439, ts.DiagnosticCategory.Error, "Import_or_export_declaration_in_an_ambient_module_declaration_cannot_reference_module_through_relati_2439", "Import or export declaration in an ambient module declaration cannot reference module through relative module name."),
+        Import_declaration_conflicts_with_local_declaration_of_0: diag(2440, ts.DiagnosticCategory.Error, "Import_declaration_conflicts_with_local_declaration_of_0_2440", "Import declaration conflicts with local declaration of '{0}'."),
+        Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module: diag(2441, ts.DiagnosticCategory.Error, "Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module_2441", "Duplicate identifier '{0}'. Compiler reserves name '{1}' in top level scope of a module."),
+        Types_have_separate_declarations_of_a_private_property_0: diag(2442, ts.DiagnosticCategory.Error, "Types_have_separate_declarations_of_a_private_property_0_2442", "Types have separate declarations of a private property '{0}'."),
+        Property_0_is_protected_but_type_1_is_not_a_class_derived_from_2: diag(2443, ts.DiagnosticCategory.Error, "Property_0_is_protected_but_type_1_is_not_a_class_derived_from_2_2443", "Property '{0}' is protected but type '{1}' is not a class derived from '{2}'."),
+        Property_0_is_protected_in_type_1_but_public_in_type_2: diag(2444, ts.DiagnosticCategory.Error, "Property_0_is_protected_in_type_1_but_public_in_type_2_2444", "Property '{0}' is protected in type '{1}' but public in type '{2}'."),
+        Property_0_is_protected_and_only_accessible_within_class_1_and_its_subclasses: diag(2445, ts.DiagnosticCategory.Error, "Property_0_is_protected_and_only_accessible_within_class_1_and_its_subclasses_2445", "Property '{0}' is protected and only accessible within class '{1}' and its subclasses."),
+        Property_0_is_protected_and_only_accessible_through_an_instance_of_class_1: diag(2446, ts.DiagnosticCategory.Error, "Property_0_is_protected_and_only_accessible_through_an_instance_of_class_1_2446", "Property '{0}' is protected and only accessible through an instance of class '{1}'."),
+        The_0_operator_is_not_allowed_for_boolean_types_Consider_using_1_instead: diag(2447, ts.DiagnosticCategory.Error, "The_0_operator_is_not_allowed_for_boolean_types_Consider_using_1_instead_2447", "The '{0}' operator is not allowed for boolean types. Consider using '{1}' instead."),
+        Block_scoped_variable_0_used_before_its_declaration: diag(2448, ts.DiagnosticCategory.Error, "Block_scoped_variable_0_used_before_its_declaration_2448", "Block-scoped variable '{0}' used before its declaration."),
+        Class_0_used_before_its_declaration: diag(2449, ts.DiagnosticCategory.Error, "Class_0_used_before_its_declaration_2449", "Class '{0}' used before its declaration."),
+        Enum_0_used_before_its_declaration: diag(2450, ts.DiagnosticCategory.Error, "Enum_0_used_before_its_declaration_2450", "Enum '{0}' used before its declaration."),
+        Cannot_redeclare_block_scoped_variable_0: diag(2451, ts.DiagnosticCategory.Error, "Cannot_redeclare_block_scoped_variable_0_2451", "Cannot redeclare block-scoped variable '{0}'."),
+        An_enum_member_cannot_have_a_numeric_name: diag(2452, ts.DiagnosticCategory.Error, "An_enum_member_cannot_have_a_numeric_name_2452", "An enum member cannot have a numeric name."),
+        The_type_argument_for_type_parameter_0_cannot_be_inferred_from_the_usage_Consider_specifying_the_type_arguments_explicitly: diag(2453, ts.DiagnosticCategory.Error, "The_type_argument_for_type_parameter_0_cannot_be_inferred_from_the_usage_Consider_specifying_the_typ_2453", "The type argument for type parameter '{0}' cannot be inferred from the usage. Consider specifying the type arguments explicitly."),
+        Variable_0_is_used_before_being_assigned: diag(2454, ts.DiagnosticCategory.Error, "Variable_0_is_used_before_being_assigned_2454", "Variable '{0}' is used before being assigned."),
+        Type_argument_candidate_1_is_not_a_valid_type_argument_because_it_is_not_a_supertype_of_candidate_0: diag(2455, ts.DiagnosticCategory.Error, "Type_argument_candidate_1_is_not_a_valid_type_argument_because_it_is_not_a_supertype_of_candidate_0_2455", "Type argument candidate '{1}' is not a valid type argument because it is not a supertype of candidate '{0}'."),
+        Type_alias_0_circularly_references_itself: diag(2456, ts.DiagnosticCategory.Error, "Type_alias_0_circularly_references_itself_2456", "Type alias '{0}' circularly references itself."),
+        Type_alias_name_cannot_be_0: diag(2457, ts.DiagnosticCategory.Error, "Type_alias_name_cannot_be_0_2457", "Type alias name cannot be '{0}'."),
+        An_AMD_module_cannot_have_multiple_name_assignments: diag(2458, ts.DiagnosticCategory.Error, "An_AMD_module_cannot_have_multiple_name_assignments_2458", "An AMD module cannot have multiple name assignments."),
+        Type_0_has_no_property_1_and_no_string_index_signature: diag(2459, ts.DiagnosticCategory.Error, "Type_0_has_no_property_1_and_no_string_index_signature_2459", "Type '{0}' has no property '{1}' and no string index signature."),
+        Type_0_has_no_property_1: diag(2460, ts.DiagnosticCategory.Error, "Type_0_has_no_property_1_2460", "Type '{0}' has no property '{1}'."),
+        Type_0_is_not_an_array_type: diag(2461, ts.DiagnosticCategory.Error, "Type_0_is_not_an_array_type_2461", "Type '{0}' is not an array type."),
+        A_rest_element_must_be_last_in_a_destructuring_pattern: diag(2462, ts.DiagnosticCategory.Error, "A_rest_element_must_be_last_in_a_destructuring_pattern_2462", "A rest element must be last in a destructuring pattern."),
+        A_binding_pattern_parameter_cannot_be_optional_in_an_implementation_signature: diag(2463, ts.DiagnosticCategory.Error, "A_binding_pattern_parameter_cannot_be_optional_in_an_implementation_signature_2463", "A binding pattern parameter cannot be optional in an implementation signature."),
+        A_computed_property_name_must_be_of_type_string_number_symbol_or_any: diag(2464, ts.DiagnosticCategory.Error, "A_computed_property_name_must_be_of_type_string_number_symbol_or_any_2464", "A computed property name must be of type 'string', 'number', 'symbol', or 'any'."),
+        this_cannot_be_referenced_in_a_computed_property_name: diag(2465, ts.DiagnosticCategory.Error, "this_cannot_be_referenced_in_a_computed_property_name_2465", "'this' cannot be referenced in a computed property name."),
+        super_cannot_be_referenced_in_a_computed_property_name: diag(2466, ts.DiagnosticCategory.Error, "super_cannot_be_referenced_in_a_computed_property_name_2466", "'super' cannot be referenced in a computed property name."),
+        A_computed_property_name_cannot_reference_a_type_parameter_from_its_containing_type: diag(2467, ts.DiagnosticCategory.Error, "A_computed_property_name_cannot_reference_a_type_parameter_from_its_containing_type_2467", "A computed property name cannot reference a type parameter from its containing type."),
+        Cannot_find_global_value_0: diag(2468, ts.DiagnosticCategory.Error, "Cannot_find_global_value_0_2468", "Cannot find global value '{0}'."),
+        The_0_operator_cannot_be_applied_to_type_symbol: diag(2469, ts.DiagnosticCategory.Error, "The_0_operator_cannot_be_applied_to_type_symbol_2469", "The '{0}' operator cannot be applied to type 'symbol'."),
+        Symbol_reference_does_not_refer_to_the_global_Symbol_constructor_object: diag(2470, ts.DiagnosticCategory.Error, "Symbol_reference_does_not_refer_to_the_global_Symbol_constructor_object_2470", "'Symbol' reference does not refer to the global Symbol constructor object."),
+        A_computed_property_name_of_the_form_0_must_be_of_type_symbol: diag(2471, ts.DiagnosticCategory.Error, "A_computed_property_name_of_the_form_0_must_be_of_type_symbol_2471", "A computed property name of the form '{0}' must be of type 'symbol'."),
+        Spread_operator_in_new_expressions_is_only_available_when_targeting_ECMAScript_5_and_higher: diag(2472, ts.DiagnosticCategory.Error, "Spread_operator_in_new_expressions_is_only_available_when_targeting_ECMAScript_5_and_higher_2472", "Spread operator in 'new' expressions is only available when targeting ECMAScript 5 and higher."),
+        Enum_declarations_must_all_be_const_or_non_const: diag(2473, ts.DiagnosticCategory.Error, "Enum_declarations_must_all_be_const_or_non_const_2473", "Enum declarations must all be const or non-const."),
+        In_const_enum_declarations_member_initializer_must_be_constant_expression: diag(2474, ts.DiagnosticCategory.Error, "In_const_enum_declarations_member_initializer_must_be_constant_expression_2474", "In 'const' enum declarations member initializer must be constant expression."),
+        const_enums_can_only_be_used_in_property_or_index_access_expressions_or_the_right_hand_side_of_an_import_declaration_or_export_assignment: diag(2475, ts.DiagnosticCategory.Error, "const_enums_can_only_be_used_in_property_or_index_access_expressions_or_the_right_hand_side_of_an_im_2475", "'const' enums can only be used in property or index access expressions or the right hand side of an import declaration or export assignment."),
+        A_const_enum_member_can_only_be_accessed_using_a_string_literal: diag(2476, ts.DiagnosticCategory.Error, "A_const_enum_member_can_only_be_accessed_using_a_string_literal_2476", "A const enum member can only be accessed using a string literal."),
+        const_enum_member_initializer_was_evaluated_to_a_non_finite_value: diag(2477, ts.DiagnosticCategory.Error, "const_enum_member_initializer_was_evaluated_to_a_non_finite_value_2477", "'const' enum member initializer was evaluated to a non-finite value."),
+        const_enum_member_initializer_was_evaluated_to_disallowed_value_NaN: diag(2478, ts.DiagnosticCategory.Error, "const_enum_member_initializer_was_evaluated_to_disallowed_value_NaN_2478", "'const' enum member initializer was evaluated to disallowed value 'NaN'."),
+        Property_0_does_not_exist_on_const_enum_1: diag(2479, ts.DiagnosticCategory.Error, "Property_0_does_not_exist_on_const_enum_1_2479", "Property '{0}' does not exist on 'const' enum '{1}'."),
+        let_is_not_allowed_to_be_used_as_a_name_in_let_or_const_declarations: diag(2480, ts.DiagnosticCategory.Error, "let_is_not_allowed_to_be_used_as_a_name_in_let_or_const_declarations_2480", "'let' is not allowed to be used as a name in 'let' or 'const' declarations."),
+        Cannot_initialize_outer_scoped_variable_0_in_the_same_scope_as_block_scoped_declaration_1: diag(2481, ts.DiagnosticCategory.Error, "Cannot_initialize_outer_scoped_variable_0_in_the_same_scope_as_block_scoped_declaration_1_2481", "Cannot initialize outer scoped variable '{0}' in the same scope as block scoped declaration '{1}'."),
+        The_left_hand_side_of_a_for_of_statement_cannot_use_a_type_annotation: diag(2483, ts.DiagnosticCategory.Error, "The_left_hand_side_of_a_for_of_statement_cannot_use_a_type_annotation_2483", "The left-hand side of a 'for...of' statement cannot use a type annotation."),
+        Export_declaration_conflicts_with_exported_declaration_of_0: diag(2484, ts.DiagnosticCategory.Error, "Export_declaration_conflicts_with_exported_declaration_of_0_2484", "Export declaration conflicts with exported declaration of '{0}'."),
+        The_left_hand_side_of_a_for_of_statement_must_be_a_variable_or_a_property_access: diag(2487, ts.DiagnosticCategory.Error, "The_left_hand_side_of_a_for_of_statement_must_be_a_variable_or_a_property_access_2487", "The left-hand side of a 'for...of' statement must be a variable or a property access."),
+        Type_must_have_a_Symbol_iterator_method_that_returns_an_iterator: diag(2488, ts.DiagnosticCategory.Error, "Type_must_have_a_Symbol_iterator_method_that_returns_an_iterator_2488", "Type must have a '[Symbol.iterator]()' method that returns an iterator."),
+        An_iterator_must_have_a_next_method: diag(2489, ts.DiagnosticCategory.Error, "An_iterator_must_have_a_next_method_2489", "An iterator must have a 'next()' method."),
+        The_type_returned_by_the_next_method_of_an_iterator_must_have_a_value_property: diag(2490, ts.DiagnosticCategory.Error, "The_type_returned_by_the_next_method_of_an_iterator_must_have_a_value_property_2490", "The type returned by the 'next()' method of an iterator must have a 'value' property."),
+        The_left_hand_side_of_a_for_in_statement_cannot_be_a_destructuring_pattern: diag(2491, ts.DiagnosticCategory.Error, "The_left_hand_side_of_a_for_in_statement_cannot_be_a_destructuring_pattern_2491", "The left-hand side of a 'for...in' statement cannot be a destructuring pattern."),
+        Cannot_redeclare_identifier_0_in_catch_clause: diag(2492, ts.DiagnosticCategory.Error, "Cannot_redeclare_identifier_0_in_catch_clause_2492", "Cannot redeclare identifier '{0}' in catch clause."),
+        Tuple_type_0_with_length_1_cannot_be_assigned_to_tuple_with_length_2: diag(2493, ts.DiagnosticCategory.Error, "Tuple_type_0_with_length_1_cannot_be_assigned_to_tuple_with_length_2_2493", "Tuple type '{0}' with length '{1}' cannot be assigned to tuple with length '{2}'."),
+        Using_a_string_in_a_for_of_statement_is_only_supported_in_ECMAScript_5_and_higher: diag(2494, ts.DiagnosticCategory.Error, "Using_a_string_in_a_for_of_statement_is_only_supported_in_ECMAScript_5_and_higher_2494", "Using a string in a 'for...of' statement is only supported in ECMAScript 5 and higher."),
+        Type_0_is_not_an_array_type_or_a_string_type: diag(2495, ts.DiagnosticCategory.Error, "Type_0_is_not_an_array_type_or_a_string_type_2495", "Type '{0}' is not an array type or a string type."),
+        The_arguments_object_cannot_be_referenced_in_an_arrow_function_in_ES3_and_ES5_Consider_using_a_standard_function_expression: diag(2496, ts.DiagnosticCategory.Error, "The_arguments_object_cannot_be_referenced_in_an_arrow_function_in_ES3_and_ES5_Consider_using_a_stand_2496", "The 'arguments' object cannot be referenced in an arrow function in ES3 and ES5. Consider using a standard function expression."),
+        Module_0_resolves_to_a_non_module_entity_and_cannot_be_imported_using_this_construct: diag(2497, ts.DiagnosticCategory.Error, "Module_0_resolves_to_a_non_module_entity_and_cannot_be_imported_using_this_construct_2497", "Module '{0}' resolves to a non-module entity and cannot be imported using this construct."),
+        Module_0_uses_export_and_cannot_be_used_with_export_Asterisk: diag(2498, ts.DiagnosticCategory.Error, "Module_0_uses_export_and_cannot_be_used_with_export_Asterisk_2498", "Module '{0}' uses 'export =' and cannot be used with 'export *'."),
+        An_interface_can_only_extend_an_identifier_Slashqualified_name_with_optional_type_arguments: diag(2499, ts.DiagnosticCategory.Error, "An_interface_can_only_extend_an_identifier_Slashqualified_name_with_optional_type_arguments_2499", "An interface can only extend an identifier/qualified-name with optional type arguments."),
+        A_class_can_only_implement_an_identifier_Slashqualified_name_with_optional_type_arguments: diag(2500, ts.DiagnosticCategory.Error, "A_class_can_only_implement_an_identifier_Slashqualified_name_with_optional_type_arguments_2500", "A class can only implement an identifier/qualified-name with optional type arguments."),
+        A_rest_element_cannot_contain_a_binding_pattern: diag(2501, ts.DiagnosticCategory.Error, "A_rest_element_cannot_contain_a_binding_pattern_2501", "A rest element cannot contain a binding pattern."),
+        _0_is_referenced_directly_or_indirectly_in_its_own_type_annotation: diag(2502, ts.DiagnosticCategory.Error, "_0_is_referenced_directly_or_indirectly_in_its_own_type_annotation_2502", "'{0}' is referenced directly or indirectly in its own type annotation."),
+        Cannot_find_namespace_0: diag(2503, ts.DiagnosticCategory.Error, "Cannot_find_namespace_0_2503", "Cannot find namespace '{0}'."),
+        Type_must_have_a_Symbol_asyncIterator_method_that_returns_an_async_iterator: diag(2504, ts.DiagnosticCategory.Error, "Type_must_have_a_Symbol_asyncIterator_method_that_returns_an_async_iterator_2504", "Type must have a '[Symbol.asyncIterator]()' method that returns an async iterator."),
+        A_generator_cannot_have_a_void_type_annotation: diag(2505, ts.DiagnosticCategory.Error, "A_generator_cannot_have_a_void_type_annotation_2505", "A generator cannot have a 'void' type annotation."),
+        _0_is_referenced_directly_or_indirectly_in_its_own_base_expression: diag(2506, ts.DiagnosticCategory.Error, "_0_is_referenced_directly_or_indirectly_in_its_own_base_expression_2506", "'{0}' is referenced directly or indirectly in its own base expression."),
+        Type_0_is_not_a_constructor_function_type: diag(2507, ts.DiagnosticCategory.Error, "Type_0_is_not_a_constructor_function_type_2507", "Type '{0}' is not a constructor function type."),
+        No_base_constructor_has_the_specified_number_of_type_arguments: diag(2508, ts.DiagnosticCategory.Error, "No_base_constructor_has_the_specified_number_of_type_arguments_2508", "No base constructor has the specified number of type arguments."),
+        Base_constructor_return_type_0_is_not_a_class_or_interface_type: diag(2509, ts.DiagnosticCategory.Error, "Base_constructor_return_type_0_is_not_a_class_or_interface_type_2509", "Base constructor return type '{0}' is not a class or interface type."),
+        Base_constructors_must_all_have_the_same_return_type: diag(2510, ts.DiagnosticCategory.Error, "Base_constructors_must_all_have_the_same_return_type_2510", "Base constructors must all have the same return type."),
+        Cannot_create_an_instance_of_the_abstract_class_0: diag(2511, ts.DiagnosticCategory.Error, "Cannot_create_an_instance_of_the_abstract_class_0_2511", "Cannot create an instance of the abstract class '{0}'."),
+        Overload_signatures_must_all_be_abstract_or_non_abstract: diag(2512, ts.DiagnosticCategory.Error, "Overload_signatures_must_all_be_abstract_or_non_abstract_2512", "Overload signatures must all be abstract or non-abstract."),
+        Abstract_method_0_in_class_1_cannot_be_accessed_via_super_expression: diag(2513, ts.DiagnosticCategory.Error, "Abstract_method_0_in_class_1_cannot_be_accessed_via_super_expression_2513", "Abstract method '{0}' in class '{1}' cannot be accessed via super expression."),
+        Classes_containing_abstract_methods_must_be_marked_abstract: diag(2514, ts.DiagnosticCategory.Error, "Classes_containing_abstract_methods_must_be_marked_abstract_2514", "Classes containing abstract methods must be marked abstract."),
+        Non_abstract_class_0_does_not_implement_inherited_abstract_member_1_from_class_2: diag(2515, ts.DiagnosticCategory.Error, "Non_abstract_class_0_does_not_implement_inherited_abstract_member_1_from_class_2_2515", "Non-abstract class '{0}' does not implement inherited abstract member '{1}' from class '{2}'."),
+        All_declarations_of_an_abstract_method_must_be_consecutive: diag(2516, ts.DiagnosticCategory.Error, "All_declarations_of_an_abstract_method_must_be_consecutive_2516", "All declarations of an abstract method must be consecutive."),
+        Cannot_assign_an_abstract_constructor_type_to_a_non_abstract_constructor_type: diag(2517, ts.DiagnosticCategory.Error, "Cannot_assign_an_abstract_constructor_type_to_a_non_abstract_constructor_type_2517", "Cannot assign an abstract constructor type to a non-abstract constructor type."),
+        A_this_based_type_guard_is_not_compatible_with_a_parameter_based_type_guard: diag(2518, ts.DiagnosticCategory.Error, "A_this_based_type_guard_is_not_compatible_with_a_parameter_based_type_guard_2518", "A 'this'-based type guard is not compatible with a parameter-based type guard."),
+        An_async_iterator_must_have_a_next_method: diag(2519, ts.DiagnosticCategory.Error, "An_async_iterator_must_have_a_next_method_2519", "An async iterator must have a 'next()' method."),
+        Duplicate_identifier_0_Compiler_uses_declaration_1_to_support_async_functions: diag(2520, ts.DiagnosticCategory.Error, "Duplicate_identifier_0_Compiler_uses_declaration_1_to_support_async_functions_2520", "Duplicate identifier '{0}'. Compiler uses declaration '{1}' to support async functions."),
+        Expression_resolves_to_variable_declaration_0_that_compiler_uses_to_support_async_functions: diag(2521, ts.DiagnosticCategory.Error, "Expression_resolves_to_variable_declaration_0_that_compiler_uses_to_support_async_functions_2521", "Expression resolves to variable declaration '{0}' that compiler uses to support async functions."),
+        The_arguments_object_cannot_be_referenced_in_an_async_function_or_method_in_ES3_and_ES5_Consider_using_a_standard_function_or_method: diag(2522, ts.DiagnosticCategory.Error, "The_arguments_object_cannot_be_referenced_in_an_async_function_or_method_in_ES3_and_ES5_Consider_usi_2522", "The 'arguments' object cannot be referenced in an async function or method in ES3 and ES5. Consider using a standard function or method."),
+        yield_expressions_cannot_be_used_in_a_parameter_initializer: diag(2523, ts.DiagnosticCategory.Error, "yield_expressions_cannot_be_used_in_a_parameter_initializer_2523", "'yield' expressions cannot be used in a parameter initializer."),
+        await_expressions_cannot_be_used_in_a_parameter_initializer: diag(2524, ts.DiagnosticCategory.Error, "await_expressions_cannot_be_used_in_a_parameter_initializer_2524", "'await' expressions cannot be used in a parameter initializer."),
+        Initializer_provides_no_value_for_this_binding_element_and_the_binding_element_has_no_default_value: diag(2525, ts.DiagnosticCategory.Error, "Initializer_provides_no_value_for_this_binding_element_and_the_binding_element_has_no_default_value_2525", "Initializer provides no value for this binding element and the binding element has no default value."),
+        A_this_type_is_available_only_in_a_non_static_member_of_a_class_or_interface: diag(2526, ts.DiagnosticCategory.Error, "A_this_type_is_available_only_in_a_non_static_member_of_a_class_or_interface_2526", "A 'this' type is available only in a non-static member of a class or interface."),
+        The_inferred_type_of_0_references_an_inaccessible_this_type_A_type_annotation_is_necessary: diag(2527, ts.DiagnosticCategory.Error, "The_inferred_type_of_0_references_an_inaccessible_this_type_A_type_annotation_is_necessary_2527", "The inferred type of '{0}' references an inaccessible 'this' type. A type annotation is necessary."),
+        A_module_cannot_have_multiple_default_exports: diag(2528, ts.DiagnosticCategory.Error, "A_module_cannot_have_multiple_default_exports_2528", "A module cannot have multiple default exports."),
+        Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module_containing_async_functions: diag(2529, ts.DiagnosticCategory.Error, "Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module_containing_async_func_2529", "Duplicate identifier '{0}'. Compiler reserves name '{1}' in top level scope of a module containing async functions."),
+        Property_0_is_incompatible_with_index_signature: diag(2530, ts.DiagnosticCategory.Error, "Property_0_is_incompatible_with_index_signature_2530", "Property '{0}' is incompatible with index signature."),
+        Object_is_possibly_null: diag(2531, ts.DiagnosticCategory.Error, "Object_is_possibly_null_2531", "Object is possibly 'null'."),
+        Object_is_possibly_undefined: diag(2532, ts.DiagnosticCategory.Error, "Object_is_possibly_undefined_2532", "Object is possibly 'undefined'."),
+        Object_is_possibly_null_or_undefined: diag(2533, ts.DiagnosticCategory.Error, "Object_is_possibly_null_or_undefined_2533", "Object is possibly 'null' or 'undefined'."),
+        A_function_returning_never_cannot_have_a_reachable_end_point: diag(2534, ts.DiagnosticCategory.Error, "A_function_returning_never_cannot_have_a_reachable_end_point_2534", "A function returning 'never' cannot have a reachable end point."),
+        Enum_type_0_has_members_with_initializers_that_are_not_literals: diag(2535, ts.DiagnosticCategory.Error, "Enum_type_0_has_members_with_initializers_that_are_not_literals_2535", "Enum type '{0}' has members with initializers that are not literals."),
+        Type_0_cannot_be_used_to_index_type_1: diag(2536, ts.DiagnosticCategory.Error, "Type_0_cannot_be_used_to_index_type_1_2536", "Type '{0}' cannot be used to index type '{1}'."),
+        Type_0_has_no_matching_index_signature_for_type_1: diag(2537, ts.DiagnosticCategory.Error, "Type_0_has_no_matching_index_signature_for_type_1_2537", "Type '{0}' has no matching index signature for type '{1}'."),
+        Type_0_cannot_be_used_as_an_index_type: diag(2538, ts.DiagnosticCategory.Error, "Type_0_cannot_be_used_as_an_index_type_2538", "Type '{0}' cannot be used as an index type."),
+        Cannot_assign_to_0_because_it_is_not_a_variable: diag(2539, ts.DiagnosticCategory.Error, "Cannot_assign_to_0_because_it_is_not_a_variable_2539", "Cannot assign to '{0}' because it is not a variable."),
+        Cannot_assign_to_0_because_it_is_a_constant_or_a_read_only_property: diag(2540, ts.DiagnosticCategory.Error, "Cannot_assign_to_0_because_it_is_a_constant_or_a_read_only_property_2540", "Cannot assign to '{0}' because it is a constant or a read-only property."),
+        The_target_of_an_assignment_must_be_a_variable_or_a_property_access: diag(2541, ts.DiagnosticCategory.Error, "The_target_of_an_assignment_must_be_a_variable_or_a_property_access_2541", "The target of an assignment must be a variable or a property access."),
+        Index_signature_in_type_0_only_permits_reading: diag(2542, ts.DiagnosticCategory.Error, "Index_signature_in_type_0_only_permits_reading_2542", "Index signature in type '{0}' only permits reading."),
+        Duplicate_identifier_newTarget_Compiler_uses_variable_declaration_newTarget_to_capture_new_target_meta_property_reference: diag(2543, ts.DiagnosticCategory.Error, "Duplicate_identifier_newTarget_Compiler_uses_variable_declaration_newTarget_to_capture_new_target_me_2543", "Duplicate identifier '_newTarget'. Compiler uses variable declaration '_newTarget' to capture 'new.target' meta-property reference."),
+        Expression_resolves_to_variable_declaration_newTarget_that_compiler_uses_to_capture_new_target_meta_property_reference: diag(2544, ts.DiagnosticCategory.Error, "Expression_resolves_to_variable_declaration_newTarget_that_compiler_uses_to_capture_new_target_meta__2544", "Expression resolves to variable declaration '_newTarget' that compiler uses to capture 'new.target' meta-property reference."),
+        A_mixin_class_must_have_a_constructor_with_a_single_rest_parameter_of_type_any: diag(2545, ts.DiagnosticCategory.Error, "A_mixin_class_must_have_a_constructor_with_a_single_rest_parameter_of_type_any_2545", "A mixin class must have a constructor with a single rest parameter of type 'any[]'."),
+        Property_0_has_conflicting_declarations_and_is_inaccessible_in_type_1: diag(2546, ts.DiagnosticCategory.Error, "Property_0_has_conflicting_declarations_and_is_inaccessible_in_type_1_2546", "Property '{0}' has conflicting declarations and is inaccessible in type '{1}'."),
+        The_type_returned_by_the_next_method_of_an_async_iterator_must_be_a_promise_for_a_type_with_a_value_property: diag(2547, ts.DiagnosticCategory.Error, "The_type_returned_by_the_next_method_of_an_async_iterator_must_be_a_promise_for_a_type_with_a_value__2547", "The type returned by the 'next()' method of an async iterator must be a promise for a type with a 'value' property."),
+        Type_0_is_not_an_array_type_or_does_not_have_a_Symbol_iterator_method_that_returns_an_iterator: diag(2548, ts.DiagnosticCategory.Error, "Type_0_is_not_an_array_type_or_does_not_have_a_Symbol_iterator_method_that_returns_an_iterator_2548", "Type '{0}' is not an array type or does not have a '[Symbol.iterator]()' method that returns an iterator."),
+        Type_0_is_not_an_array_type_or_a_string_type_or_does_not_have_a_Symbol_iterator_method_that_returns_an_iterator: diag(2549, ts.DiagnosticCategory.Error, "Type_0_is_not_an_array_type_or_a_string_type_or_does_not_have_a_Symbol_iterator_method_that_returns__2549", "Type '{0}' is not an array type or a string type or does not have a '[Symbol.iterator]()' method that returns an iterator."),
+        Generic_type_instantiation_is_excessively_deep_and_possibly_infinite: diag(2550, ts.DiagnosticCategory.Error, "Generic_type_instantiation_is_excessively_deep_and_possibly_infinite_2550", "Generic type instantiation is excessively deep and possibly infinite."),
+        Property_0_does_not_exist_on_type_1_Did_you_mean_2: diag(2551, ts.DiagnosticCategory.Error, "Property_0_does_not_exist_on_type_1_Did_you_mean_2_2551", "Property '{0}' does not exist on type '{1}'. Did you mean '{2}'?"),
+        Cannot_find_name_0_Did_you_mean_1: diag(2552, ts.DiagnosticCategory.Error, "Cannot_find_name_0_Did_you_mean_1_2552", "Cannot find name '{0}'. Did you mean '{1}'?"),
+        Computed_values_are_not_permitted_in_an_enum_with_string_valued_members: diag(2553, ts.DiagnosticCategory.Error, "Computed_values_are_not_permitted_in_an_enum_with_string_valued_members_2553", "Computed values are not permitted in an enum with string valued members."),
+        Expected_0_arguments_but_got_1: diag(2554, ts.DiagnosticCategory.Error, "Expected_0_arguments_but_got_1_2554", "Expected {0} arguments, but got {1}."),
+        Expected_at_least_0_arguments_but_got_1: diag(2555, ts.DiagnosticCategory.Error, "Expected_at_least_0_arguments_but_got_1_2555", "Expected at least {0} arguments, but got {1}."),
+        Expected_0_arguments_but_got_a_minimum_of_1: diag(2556, ts.DiagnosticCategory.Error, "Expected_0_arguments_but_got_a_minimum_of_1_2556", "Expected {0} arguments, but got a minimum of {1}."),
+        Expected_at_least_0_arguments_but_got_a_minimum_of_1: diag(2557, ts.DiagnosticCategory.Error, "Expected_at_least_0_arguments_but_got_a_minimum_of_1_2557", "Expected at least {0} arguments, but got a minimum of {1}."),
+        Expected_0_type_arguments_but_got_1: diag(2558, ts.DiagnosticCategory.Error, "Expected_0_type_arguments_but_got_1_2558", "Expected {0} type arguments, but got {1}."),
+        Type_0_has_no_properties_in_common_with_type_1: diag(2559, ts.DiagnosticCategory.Error, "Type_0_has_no_properties_in_common_with_type_1_2559", "Type '{0}' has no properties in common with type '{1}'."),
+        Value_of_type_0_has_no_properties_in_common_with_type_1_Did_you_mean_to_call_it: diag(2560, ts.DiagnosticCategory.Error, "Value_of_type_0_has_no_properties_in_common_with_type_1_Did_you_mean_to_call_it_2560", "Value of type '{0}' has no properties in common with type '{1}'. Did you mean to call it?"),
+        JSX_element_attributes_type_0_may_not_be_a_union_type: diag(2600, ts.DiagnosticCategory.Error, "JSX_element_attributes_type_0_may_not_be_a_union_type_2600", "JSX element attributes type '{0}' may not be a union type."),
+        The_return_type_of_a_JSX_element_constructor_must_return_an_object_type: diag(2601, ts.DiagnosticCategory.Error, "The_return_type_of_a_JSX_element_constructor_must_return_an_object_type_2601", "The return type of a JSX element constructor must return an object type."),
+        JSX_element_implicitly_has_type_any_because_the_global_type_JSX_Element_does_not_exist: diag(2602, ts.DiagnosticCategory.Error, "JSX_element_implicitly_has_type_any_because_the_global_type_JSX_Element_does_not_exist_2602", "JSX element implicitly has type 'any' because the global type 'JSX.Element' does not exist."),
+        Property_0_in_type_1_is_not_assignable_to_type_2: diag(2603, ts.DiagnosticCategory.Error, "Property_0_in_type_1_is_not_assignable_to_type_2_2603", "Property '{0}' in type '{1}' is not assignable to type '{2}'."),
+        JSX_element_type_0_does_not_have_any_construct_or_call_signatures: diag(2604, ts.DiagnosticCategory.Error, "JSX_element_type_0_does_not_have_any_construct_or_call_signatures_2604", "JSX element type '{0}' does not have any construct or call signatures."),
+        JSX_element_type_0_is_not_a_constructor_function_for_JSX_elements: diag(2605, ts.DiagnosticCategory.Error, "JSX_element_type_0_is_not_a_constructor_function_for_JSX_elements_2605", "JSX element type '{0}' is not a constructor function for JSX elements."),
+        Property_0_of_JSX_spread_attribute_is_not_assignable_to_target_property: diag(2606, ts.DiagnosticCategory.Error, "Property_0_of_JSX_spread_attribute_is_not_assignable_to_target_property_2606", "Property '{0}' of JSX spread attribute is not assignable to target property."),
+        JSX_element_class_does_not_support_attributes_because_it_does_not_have_a_0_property: diag(2607, ts.DiagnosticCategory.Error, "JSX_element_class_does_not_support_attributes_because_it_does_not_have_a_0_property_2607", "JSX element class does not support attributes because it does not have a '{0}' property."),
+        The_global_type_JSX_0_may_not_have_more_than_one_property: diag(2608, ts.DiagnosticCategory.Error, "The_global_type_JSX_0_may_not_have_more_than_one_property_2608", "The global type 'JSX.{0}' may not have more than one property."),
+        JSX_spread_child_must_be_an_array_type: diag(2609, ts.DiagnosticCategory.Error, "JSX_spread_child_must_be_an_array_type_2609", "JSX spread child must be an array type."),
+        Cannot_augment_module_0_with_value_exports_because_it_resolves_to_a_non_module_entity: diag(2649, ts.DiagnosticCategory.Error, "Cannot_augment_module_0_with_value_exports_because_it_resolves_to_a_non_module_entity_2649", "Cannot augment module '{0}' with value exports because it resolves to a non-module entity."),
+        A_member_initializer_in_a_enum_declaration_cannot_reference_members_declared_after_it_including_members_defined_in_other_enums: diag(2651, ts.DiagnosticCategory.Error, "A_member_initializer_in_a_enum_declaration_cannot_reference_members_declared_after_it_including_memb_2651", "A member initializer in a enum declaration cannot reference members declared after it, including members defined in other enums."),
+        Merged_declaration_0_cannot_include_a_default_export_declaration_Consider_adding_a_separate_export_default_0_declaration_instead: diag(2652, ts.DiagnosticCategory.Error, "Merged_declaration_0_cannot_include_a_default_export_declaration_Consider_adding_a_separate_export_d_2652", "Merged declaration '{0}' cannot include a default export declaration. Consider adding a separate 'export default {0}' declaration instead."),
+        Non_abstract_class_expression_does_not_implement_inherited_abstract_member_0_from_class_1: diag(2653, ts.DiagnosticCategory.Error, "Non_abstract_class_expression_does_not_implement_inherited_abstract_member_0_from_class_1_2653", "Non-abstract class expression does not implement inherited abstract member '{0}' from class '{1}'."),
+        Exported_external_package_typings_file_cannot_contain_tripleslash_references_Please_contact_the_package_author_to_update_the_package_definition: diag(2654, ts.DiagnosticCategory.Error, "Exported_external_package_typings_file_cannot_contain_tripleslash_references_Please_contact_the_pack_2654", "Exported external package typings file cannot contain tripleslash references. Please contact the package author to update the package definition."),
+        Exported_external_package_typings_file_0_is_not_a_module_Please_contact_the_package_author_to_update_the_package_definition: diag(2656, ts.DiagnosticCategory.Error, "Exported_external_package_typings_file_0_is_not_a_module_Please_contact_the_package_author_to_update_2656", "Exported external package typings file '{0}' is not a module. Please contact the package author to update the package definition."),
+        JSX_expressions_must_have_one_parent_element: diag(2657, ts.DiagnosticCategory.Error, "JSX_expressions_must_have_one_parent_element_2657", "JSX expressions must have one parent element."),
+        Type_0_provides_no_match_for_the_signature_1: diag(2658, ts.DiagnosticCategory.Error, "Type_0_provides_no_match_for_the_signature_1_2658", "Type '{0}' provides no match for the signature '{1}'."),
+        super_is_only_allowed_in_members_of_object_literal_expressions_when_option_target_is_ES2015_or_higher: diag(2659, ts.DiagnosticCategory.Error, "super_is_only_allowed_in_members_of_object_literal_expressions_when_option_target_is_ES2015_or_highe_2659", "'super' is only allowed in members of object literal expressions when option 'target' is 'ES2015' or higher."),
+        super_can_only_be_referenced_in_members_of_derived_classes_or_object_literal_expressions: diag(2660, ts.DiagnosticCategory.Error, "super_can_only_be_referenced_in_members_of_derived_classes_or_object_literal_expressions_2660", "'super' can only be referenced in members of derived classes or object literal expressions."),
+        Cannot_export_0_Only_local_declarations_can_be_exported_from_a_module: diag(2661, ts.DiagnosticCategory.Error, "Cannot_export_0_Only_local_declarations_can_be_exported_from_a_module_2661", "Cannot export '{0}'. Only local declarations can be exported from a module."),
+        Cannot_find_name_0_Did_you_mean_the_static_member_1_0: diag(2662, ts.DiagnosticCategory.Error, "Cannot_find_name_0_Did_you_mean_the_static_member_1_0_2662", "Cannot find name '{0}'. Did you mean the static member '{1}.{0}'?"),
+        Cannot_find_name_0_Did_you_mean_the_instance_member_this_0: diag(2663, ts.DiagnosticCategory.Error, "Cannot_find_name_0_Did_you_mean_the_instance_member_this_0_2663", "Cannot find name '{0}'. Did you mean the instance member 'this.{0}'?"),
+        Invalid_module_name_in_augmentation_module_0_cannot_be_found: diag(2664, ts.DiagnosticCategory.Error, "Invalid_module_name_in_augmentation_module_0_cannot_be_found_2664", "Invalid module name in augmentation, module '{0}' cannot be found."),
+        Invalid_module_name_in_augmentation_Module_0_resolves_to_an_untyped_module_at_1_which_cannot_be_augmented: diag(2665, ts.DiagnosticCategory.Error, "Invalid_module_name_in_augmentation_Module_0_resolves_to_an_untyped_module_at_1_which_cannot_be_augm_2665", "Invalid module name in augmentation. Module '{0}' resolves to an untyped module at '{1}', which cannot be augmented."),
+        Exports_and_export_assignments_are_not_permitted_in_module_augmentations: diag(2666, ts.DiagnosticCategory.Error, "Exports_and_export_assignments_are_not_permitted_in_module_augmentations_2666", "Exports and export assignments are not permitted in module augmentations."),
+        Imports_are_not_permitted_in_module_augmentations_Consider_moving_them_to_the_enclosing_external_module: diag(2667, ts.DiagnosticCategory.Error, "Imports_are_not_permitted_in_module_augmentations_Consider_moving_them_to_the_enclosing_external_mod_2667", "Imports are not permitted in module augmentations. Consider moving them to the enclosing external module."),
+        export_modifier_cannot_be_applied_to_ambient_modules_and_module_augmentations_since_they_are_always_visible: diag(2668, ts.DiagnosticCategory.Error, "export_modifier_cannot_be_applied_to_ambient_modules_and_module_augmentations_since_they_are_always__2668", "'export' modifier cannot be applied to ambient modules and module augmentations since they are always visible."),
+        Augmentations_for_the_global_scope_can_only_be_directly_nested_in_external_modules_or_ambient_module_declarations: diag(2669, ts.DiagnosticCategory.Error, "Augmentations_for_the_global_scope_can_only_be_directly_nested_in_external_modules_or_ambient_module_2669", "Augmentations for the global scope can only be directly nested in external modules or ambient module declarations."),
+        Augmentations_for_the_global_scope_should_have_declare_modifier_unless_they_appear_in_already_ambient_context: diag(2670, ts.DiagnosticCategory.Error, "Augmentations_for_the_global_scope_should_have_declare_modifier_unless_they_appear_in_already_ambien_2670", "Augmentations for the global scope should have 'declare' modifier unless they appear in already ambient context."),
+        Cannot_augment_module_0_because_it_resolves_to_a_non_module_entity: diag(2671, ts.DiagnosticCategory.Error, "Cannot_augment_module_0_because_it_resolves_to_a_non_module_entity_2671", "Cannot augment module '{0}' because it resolves to a non-module entity."),
+        Cannot_assign_a_0_constructor_type_to_a_1_constructor_type: diag(2672, ts.DiagnosticCategory.Error, "Cannot_assign_a_0_constructor_type_to_a_1_constructor_type_2672", "Cannot assign a '{0}' constructor type to a '{1}' constructor type."),
+        Constructor_of_class_0_is_private_and_only_accessible_within_the_class_declaration: diag(2673, ts.DiagnosticCategory.Error, "Constructor_of_class_0_is_private_and_only_accessible_within_the_class_declaration_2673", "Constructor of class '{0}' is private and only accessible within the class declaration."),
+        Constructor_of_class_0_is_protected_and_only_accessible_within_the_class_declaration: diag(2674, ts.DiagnosticCategory.Error, "Constructor_of_class_0_is_protected_and_only_accessible_within_the_class_declaration_2674", "Constructor of class '{0}' is protected and only accessible within the class declaration."),
+        Cannot_extend_a_class_0_Class_constructor_is_marked_as_private: diag(2675, ts.DiagnosticCategory.Error, "Cannot_extend_a_class_0_Class_constructor_is_marked_as_private_2675", "Cannot extend a class '{0}'. Class constructor is marked as private."),
+        Accessors_must_both_be_abstract_or_non_abstract: diag(2676, ts.DiagnosticCategory.Error, "Accessors_must_both_be_abstract_or_non_abstract_2676", "Accessors must both be abstract or non-abstract."),
+        A_type_predicate_s_type_must_be_assignable_to_its_parameter_s_type: diag(2677, ts.DiagnosticCategory.Error, "A_type_predicate_s_type_must_be_assignable_to_its_parameter_s_type_2677", "A type predicate's type must be assignable to its parameter's type."),
+        Type_0_is_not_comparable_to_type_1: diag(2678, ts.DiagnosticCategory.Error, "Type_0_is_not_comparable_to_type_1_2678", "Type '{0}' is not comparable to type '{1}'."),
+        A_function_that_is_called_with_the_new_keyword_cannot_have_a_this_type_that_is_void: diag(2679, ts.DiagnosticCategory.Error, "A_function_that_is_called_with_the_new_keyword_cannot_have_a_this_type_that_is_void_2679", "A function that is called with the 'new' keyword cannot have a 'this' type that is 'void'."),
+        A_0_parameter_must_be_the_first_parameter: diag(2680, ts.DiagnosticCategory.Error, "A_0_parameter_must_be_the_first_parameter_2680", "A '{0}' parameter must be the first parameter."),
+        A_constructor_cannot_have_a_this_parameter: diag(2681, ts.DiagnosticCategory.Error, "A_constructor_cannot_have_a_this_parameter_2681", "A constructor cannot have a 'this' parameter."),
+        get_and_set_accessor_must_have_the_same_this_type: diag(2682, ts.DiagnosticCategory.Error, "get_and_set_accessor_must_have_the_same_this_type_2682", "'get' and 'set' accessor must have the same 'this' type."),
+        this_implicitly_has_type_any_because_it_does_not_have_a_type_annotation: diag(2683, ts.DiagnosticCategory.Error, "this_implicitly_has_type_any_because_it_does_not_have_a_type_annotation_2683", "'this' implicitly has type 'any' because it does not have a type annotation."),
+        The_this_context_of_type_0_is_not_assignable_to_method_s_this_of_type_1: diag(2684, ts.DiagnosticCategory.Error, "The_this_context_of_type_0_is_not_assignable_to_method_s_this_of_type_1_2684", "The 'this' context of type '{0}' is not assignable to method's 'this' of type '{1}'."),
+        The_this_types_of_each_signature_are_incompatible: diag(2685, ts.DiagnosticCategory.Error, "The_this_types_of_each_signature_are_incompatible_2685", "The 'this' types of each signature are incompatible."),
+        _0_refers_to_a_UMD_global_but_the_current_file_is_a_module_Consider_adding_an_import_instead: diag(2686, ts.DiagnosticCategory.Error, "_0_refers_to_a_UMD_global_but_the_current_file_is_a_module_Consider_adding_an_import_instead_2686", "'{0}' refers to a UMD global, but the current file is a module. Consider adding an import instead."),
+        All_declarations_of_0_must_have_identical_modifiers: diag(2687, ts.DiagnosticCategory.Error, "All_declarations_of_0_must_have_identical_modifiers_2687", "All declarations of '{0}' must have identical modifiers."),
+        Cannot_find_type_definition_file_for_0: diag(2688, ts.DiagnosticCategory.Error, "Cannot_find_type_definition_file_for_0_2688", "Cannot find type definition file for '{0}'."),
+        Cannot_extend_an_interface_0_Did_you_mean_implements: diag(2689, ts.DiagnosticCategory.Error, "Cannot_extend_an_interface_0_Did_you_mean_implements_2689", "Cannot extend an interface '{0}'. Did you mean 'implements'?"),
+        An_import_path_cannot_end_with_a_0_extension_Consider_importing_1_instead: diag(2691, ts.DiagnosticCategory.Error, "An_import_path_cannot_end_with_a_0_extension_Consider_importing_1_instead_2691", "An import path cannot end with a '{0}' extension. Consider importing '{1}' instead."),
+        _0_is_a_primitive_but_1_is_a_wrapper_object_Prefer_using_0_when_possible: diag(2692, ts.DiagnosticCategory.Error, "_0_is_a_primitive_but_1_is_a_wrapper_object_Prefer_using_0_when_possible_2692", "'{0}' is a primitive, but '{1}' is a wrapper object. Prefer using '{0}' when possible."),
+        _0_only_refers_to_a_type_but_is_being_used_as_a_value_here: diag(2693, ts.DiagnosticCategory.Error, "_0_only_refers_to_a_type_but_is_being_used_as_a_value_here_2693", "'{0}' only refers to a type, but is being used as a value here."),
+        Namespace_0_has_no_exported_member_1: diag(2694, ts.DiagnosticCategory.Error, "Namespace_0_has_no_exported_member_1_2694", "Namespace '{0}' has no exported member '{1}'."),
+        Left_side_of_comma_operator_is_unused_and_has_no_side_effects: diag(2695, ts.DiagnosticCategory.Error, "Left_side_of_comma_operator_is_unused_and_has_no_side_effects_2695", "Left side of comma operator is unused and has no side effects."),
+        The_Object_type_is_assignable_to_very_few_other_types_Did_you_mean_to_use_the_any_type_instead: diag(2696, ts.DiagnosticCategory.Error, "The_Object_type_is_assignable_to_very_few_other_types_Did_you_mean_to_use_the_any_type_instead_2696", "The 'Object' type is assignable to very few other types. Did you mean to use the 'any' type instead?"),
+        An_async_function_or_method_must_return_a_Promise_Make_sure_you_have_a_declaration_for_Promise_or_include_ES2015_in_your_lib_option: diag(2697, ts.DiagnosticCategory.Error, "An_async_function_or_method_must_return_a_Promise_Make_sure_you_have_a_declaration_for_Promise_or_in_2697", "An async function or method must return a 'Promise'. Make sure you have a declaration for 'Promise' or include 'ES2015' in your `--lib` option."),
+        Spread_types_may_only_be_created_from_object_types: diag(2698, ts.DiagnosticCategory.Error, "Spread_types_may_only_be_created_from_object_types_2698", "Spread types may only be created from object types."),
+        Static_property_0_conflicts_with_built_in_property_Function_0_of_constructor_function_1: diag(2699, ts.DiagnosticCategory.Error, "Static_property_0_conflicts_with_built_in_property_Function_0_of_constructor_function_1_2699", "Static property '{0}' conflicts with built-in property 'Function.{0}' of constructor function '{1}'."),
+        Rest_types_may_only_be_created_from_object_types: diag(2700, ts.DiagnosticCategory.Error, "Rest_types_may_only_be_created_from_object_types_2700", "Rest types may only be created from object types."),
+        The_target_of_an_object_rest_assignment_must_be_a_variable_or_a_property_access: diag(2701, ts.DiagnosticCategory.Error, "The_target_of_an_object_rest_assignment_must_be_a_variable_or_a_property_access_2701", "The target of an object rest assignment must be a variable or a property access."),
+        _0_only_refers_to_a_type_but_is_being_used_as_a_namespace_here: diag(2702, ts.DiagnosticCategory.Error, "_0_only_refers_to_a_type_but_is_being_used_as_a_namespace_here_2702", "'{0}' only refers to a type, but is being used as a namespace here."),
+        The_operand_of_a_delete_operator_must_be_a_property_reference: diag(2703, ts.DiagnosticCategory.Error, "The_operand_of_a_delete_operator_must_be_a_property_reference_2703", "The operand of a delete operator must be a property reference."),
+        The_operand_of_a_delete_operator_cannot_be_a_read_only_property: diag(2704, ts.DiagnosticCategory.Error, "The_operand_of_a_delete_operator_cannot_be_a_read_only_property_2704", "The operand of a delete operator cannot be a read-only property."),
+        An_async_function_or_method_in_ES5_SlashES3_requires_the_Promise_constructor_Make_sure_you_have_a_declaration_for_the_Promise_constructor_or_include_ES2015_in_your_lib_option: diag(2705, ts.DiagnosticCategory.Error, "An_async_function_or_method_in_ES5_SlashES3_requires_the_Promise_constructor_Make_sure_you_have_a_de_2705", "An async function or method in ES5/ES3 requires the 'Promise' constructor.  Make sure you have a declaration for the 'Promise' constructor or include 'ES2015' in your `--lib` option."),
+        Required_type_parameters_may_not_follow_optional_type_parameters: diag(2706, ts.DiagnosticCategory.Error, "Required_type_parameters_may_not_follow_optional_type_parameters_2706", "Required type parameters may not follow optional type parameters."),
+        Generic_type_0_requires_between_1_and_2_type_arguments: diag(2707, ts.DiagnosticCategory.Error, "Generic_type_0_requires_between_1_and_2_type_arguments_2707", "Generic type '{0}' requires between {1} and {2} type arguments."),
+        Cannot_use_namespace_0_as_a_value: diag(2708, ts.DiagnosticCategory.Error, "Cannot_use_namespace_0_as_a_value_2708", "Cannot use namespace '{0}' as a value."),
+        Cannot_use_namespace_0_as_a_type: diag(2709, ts.DiagnosticCategory.Error, "Cannot_use_namespace_0_as_a_type_2709", "Cannot use namespace '{0}' as a type."),
+        _0_are_specified_twice_The_attribute_named_0_will_be_overwritten: diag(2710, ts.DiagnosticCategory.Error, "_0_are_specified_twice_The_attribute_named_0_will_be_overwritten_2710", "'{0}' are specified twice. The attribute named '{0}' will be overwritten."),
+        A_dynamic_import_call_returns_a_Promise_Make_sure_you_have_a_declaration_for_Promise_or_include_ES2015_in_your_lib_option: diag(2711, ts.DiagnosticCategory.Error, "A_dynamic_import_call_returns_a_Promise_Make_sure_you_have_a_declaration_for_Promise_or_include_ES20_2711", "A dynamic import call returns a 'Promise'. Make sure you have a declaration for 'Promise' or include 'ES2015' in your `--lib` option."),
+        A_dynamic_import_call_in_ES5_SlashES3_requires_the_Promise_constructor_Make_sure_you_have_a_declaration_for_the_Promise_constructor_or_include_ES2015_in_your_lib_option: diag(2712, ts.DiagnosticCategory.Error, "A_dynamic_import_call_in_ES5_SlashES3_requires_the_Promise_constructor_Make_sure_you_have_a_declarat_2712", "A dynamic import call in ES5/ES3 requires the 'Promise' constructor.  Make sure you have a declaration for the 'Promise' constructor or include 'ES2015' in your `--lib` option."),
+        Cannot_access_0_1_because_0_is_a_type_but_not_a_namespace_Did_you_mean_to_retrieve_the_type_of_the_property_1_in_0_with_0_1: diag(2713, ts.DiagnosticCategory.Error, "Cannot_access_0_1_because_0_is_a_type_but_not_a_namespace_Did_you_mean_to_retrieve_the_type_of_the_p_2713", "Cannot access '{0}.{1}' because '{0}' is a type, but not a namespace. Did you mean to retrieve the type of the property '{1}' in '{0}' with '{0}[\"{1}\"]'?"),
+        Import_declaration_0_is_using_private_name_1: diag(4000, ts.DiagnosticCategory.Error, "Import_declaration_0_is_using_private_name_1_4000", "Import declaration '{0}' is using private name '{1}'."),
+        Type_parameter_0_of_exported_class_has_or_is_using_private_name_1: diag(4002, ts.DiagnosticCategory.Error, "Type_parameter_0_of_exported_class_has_or_is_using_private_name_1_4002", "Type parameter '{0}' of exported class has or is using private name '{1}'."),
+        Type_parameter_0_of_exported_interface_has_or_is_using_private_name_1: diag(4004, ts.DiagnosticCategory.Error, "Type_parameter_0_of_exported_interface_has_or_is_using_private_name_1_4004", "Type parameter '{0}' of exported interface has or is using private name '{1}'."),
+        Type_parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1: diag(4006, ts.DiagnosticCategory.Error, "Type_parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1_4006", "Type parameter '{0}' of constructor signature from exported interface has or is using private name '{1}'."),
+        Type_parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1: diag(4008, ts.DiagnosticCategory.Error, "Type_parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1_4008", "Type parameter '{0}' of call signature from exported interface has or is using private name '{1}'."),
+        Type_parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1: diag(4010, ts.DiagnosticCategory.Error, "Type_parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1_4010", "Type parameter '{0}' of public static method from exported class has or is using private name '{1}'."),
+        Type_parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1: diag(4012, ts.DiagnosticCategory.Error, "Type_parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1_4012", "Type parameter '{0}' of public method from exported class has or is using private name '{1}'."),
+        Type_parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1: diag(4014, ts.DiagnosticCategory.Error, "Type_parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1_4014", "Type parameter '{0}' of method from exported interface has or is using private name '{1}'."),
+        Type_parameter_0_of_exported_function_has_or_is_using_private_name_1: diag(4016, ts.DiagnosticCategory.Error, "Type_parameter_0_of_exported_function_has_or_is_using_private_name_1_4016", "Type parameter '{0}' of exported function has or is using private name '{1}'."),
+        Implements_clause_of_exported_class_0_has_or_is_using_private_name_1: diag(4019, ts.DiagnosticCategory.Error, "Implements_clause_of_exported_class_0_has_or_is_using_private_name_1_4019", "Implements clause of exported class '{0}' has or is using private name '{1}'."),
+        extends_clause_of_exported_class_0_has_or_is_using_private_name_1: diag(4020, ts.DiagnosticCategory.Error, "extends_clause_of_exported_class_0_has_or_is_using_private_name_1_4020", "'extends' clause of exported class '{0}' has or is using private name '{1}'."),
+        extends_clause_of_exported_interface_0_has_or_is_using_private_name_1: diag(4022, ts.DiagnosticCategory.Error, "extends_clause_of_exported_interface_0_has_or_is_using_private_name_1_4022", "'extends' clause of exported interface '{0}' has or is using private name '{1}'."),
+        Exported_variable_0_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: diag(4023, ts.DiagnosticCategory.Error, "Exported_variable_0_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named_4023", "Exported variable '{0}' has or is using name '{1}' from external module {2} but cannot be named."),
+        Exported_variable_0_has_or_is_using_name_1_from_private_module_2: diag(4024, ts.DiagnosticCategory.Error, "Exported_variable_0_has_or_is_using_name_1_from_private_module_2_4024", "Exported variable '{0}' has or is using name '{1}' from private module '{2}'."),
+        Exported_variable_0_has_or_is_using_private_name_1: diag(4025, ts.DiagnosticCategory.Error, "Exported_variable_0_has_or_is_using_private_name_1_4025", "Exported variable '{0}' has or is using private name '{1}'."),
+        Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: diag(4026, ts.DiagnosticCategory.Error, "Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot__4026", "Public static property '{0}' of exported class has or is using name '{1}' from external module {2} but cannot be named."),
+        Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2: diag(4027, ts.DiagnosticCategory.Error, "Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2_4027", "Public static property '{0}' of exported class has or is using name '{1}' from private module '{2}'."),
+        Public_static_property_0_of_exported_class_has_or_is_using_private_name_1: diag(4028, ts.DiagnosticCategory.Error, "Public_static_property_0_of_exported_class_has_or_is_using_private_name_1_4028", "Public static property '{0}' of exported class has or is using private name '{1}'."),
+        Public_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: diag(4029, ts.DiagnosticCategory.Error, "Public_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_name_4029", "Public property '{0}' of exported class has or is using name '{1}' from external module {2} but cannot be named."),
+        Public_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2: diag(4030, ts.DiagnosticCategory.Error, "Public_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2_4030", "Public property '{0}' of exported class has or is using name '{1}' from private module '{2}'."),
+        Public_property_0_of_exported_class_has_or_is_using_private_name_1: diag(4031, ts.DiagnosticCategory.Error, "Public_property_0_of_exported_class_has_or_is_using_private_name_1_4031", "Public property '{0}' of exported class has or is using private name '{1}'."),
+        Property_0_of_exported_interface_has_or_is_using_name_1_from_private_module_2: diag(4032, ts.DiagnosticCategory.Error, "Property_0_of_exported_interface_has_or_is_using_name_1_from_private_module_2_4032", "Property '{0}' of exported interface has or is using name '{1}' from private module '{2}'."),
+        Property_0_of_exported_interface_has_or_is_using_private_name_1: diag(4033, ts.DiagnosticCategory.Error, "Property_0_of_exported_interface_has_or_is_using_private_name_1_4033", "Property '{0}' of exported interface has or is using private name '{1}'."),
+        Parameter_0_of_public_static_property_setter_from_exported_class_has_or_is_using_name_1_from_private_module_2: diag(4034, ts.DiagnosticCategory.Error, "Parameter_0_of_public_static_property_setter_from_exported_class_has_or_is_using_name_1_from_private_4034", "Parameter '{0}' of public static property setter from exported class has or is using name '{1}' from private module '{2}'."),
+        Parameter_0_of_public_static_property_setter_from_exported_class_has_or_is_using_private_name_1: diag(4035, ts.DiagnosticCategory.Error, "Parameter_0_of_public_static_property_setter_from_exported_class_has_or_is_using_private_name_1_4035", "Parameter '{0}' of public static property setter from exported class has or is using private name '{1}'."),
+        Parameter_0_of_public_property_setter_from_exported_class_has_or_is_using_name_1_from_private_module_2: diag(4036, ts.DiagnosticCategory.Error, "Parameter_0_of_public_property_setter_from_exported_class_has_or_is_using_name_1_from_private_module_4036", "Parameter '{0}' of public property setter from exported class has or is using name '{1}' from private module '{2}'."),
+        Parameter_0_of_public_property_setter_from_exported_class_has_or_is_using_private_name_1: diag(4037, ts.DiagnosticCategory.Error, "Parameter_0_of_public_property_setter_from_exported_class_has_or_is_using_private_name_1_4037", "Parameter '{0}' of public property setter from exported class has or is using private name '{1}'."),
+        Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named: diag(4038, ts.DiagnosticCategory.Error, "Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_name_0_from_externa_4038", "Return type of public static property getter from exported class has or is using name '{0}' from external module {1} but cannot be named."),
+        Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_name_0_from_private_module_1: diag(4039, ts.DiagnosticCategory.Error, "Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_name_0_from_private_4039", "Return type of public static property getter from exported class has or is using name '{0}' from private module '{1}'."),
+        Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_private_name_0: diag(4040, ts.DiagnosticCategory.Error, "Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_private_name_0_4040", "Return type of public static property getter from exported class has or is using private name '{0}'."),
+        Return_type_of_public_property_getter_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named: diag(4041, ts.DiagnosticCategory.Error, "Return_type_of_public_property_getter_from_exported_class_has_or_is_using_name_0_from_external_modul_4041", "Return type of public property getter from exported class has or is using name '{0}' from external module {1} but cannot be named."),
+        Return_type_of_public_property_getter_from_exported_class_has_or_is_using_name_0_from_private_module_1: diag(4042, ts.DiagnosticCategory.Error, "Return_type_of_public_property_getter_from_exported_class_has_or_is_using_name_0_from_private_module_4042", "Return type of public property getter from exported class has or is using name '{0}' from private module '{1}'."),
+        Return_type_of_public_property_getter_from_exported_class_has_or_is_using_private_name_0: diag(4043, ts.DiagnosticCategory.Error, "Return_type_of_public_property_getter_from_exported_class_has_or_is_using_private_name_0_4043", "Return type of public property getter from exported class has or is using private name '{0}'."),
+        Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1: diag(4044, ts.DiagnosticCategory.Error, "Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_name_0_from_private_mod_4044", "Return type of constructor signature from exported interface has or is using name '{0}' from private module '{1}'."),
+        Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_0: diag(4045, ts.DiagnosticCategory.Error, "Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_0_4045", "Return type of constructor signature from exported interface has or is using private name '{0}'."),
+        Return_type_of_call_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1: diag(4046, ts.DiagnosticCategory.Error, "Return_type_of_call_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1_4046", "Return type of call signature from exported interface has or is using name '{0}' from private module '{1}'."),
+        Return_type_of_call_signature_from_exported_interface_has_or_is_using_private_name_0: diag(4047, ts.DiagnosticCategory.Error, "Return_type_of_call_signature_from_exported_interface_has_or_is_using_private_name_0_4047", "Return type of call signature from exported interface has or is using private name '{0}'."),
+        Return_type_of_index_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1: diag(4048, ts.DiagnosticCategory.Error, "Return_type_of_index_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1_4048", "Return type of index signature from exported interface has or is using name '{0}' from private module '{1}'."),
+        Return_type_of_index_signature_from_exported_interface_has_or_is_using_private_name_0: diag(4049, ts.DiagnosticCategory.Error, "Return_type_of_index_signature_from_exported_interface_has_or_is_using_private_name_0_4049", "Return type of index signature from exported interface has or is using private name '{0}'."),
+        Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named: diag(4050, ts.DiagnosticCategory.Error, "Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_external_module__4050", "Return type of public static method from exported class has or is using name '{0}' from external module {1} but cannot be named."),
+        Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_private_module_1: diag(4051, ts.DiagnosticCategory.Error, "Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_private_module_1_4051", "Return type of public static method from exported class has or is using name '{0}' from private module '{1}'."),
+        Return_type_of_public_static_method_from_exported_class_has_or_is_using_private_name_0: diag(4052, ts.DiagnosticCategory.Error, "Return_type_of_public_static_method_from_exported_class_has_or_is_using_private_name_0_4052", "Return type of public static method from exported class has or is using private name '{0}'."),
+        Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named: diag(4053, ts.DiagnosticCategory.Error, "Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_c_4053", "Return type of public method from exported class has or is using name '{0}' from external module {1} but cannot be named."),
+        Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_private_module_1: diag(4054, ts.DiagnosticCategory.Error, "Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_private_module_1_4054", "Return type of public method from exported class has or is using name '{0}' from private module '{1}'."),
+        Return_type_of_public_method_from_exported_class_has_or_is_using_private_name_0: diag(4055, ts.DiagnosticCategory.Error, "Return_type_of_public_method_from_exported_class_has_or_is_using_private_name_0_4055", "Return type of public method from exported class has or is using private name '{0}'."),
+        Return_type_of_method_from_exported_interface_has_or_is_using_name_0_from_private_module_1: diag(4056, ts.DiagnosticCategory.Error, "Return_type_of_method_from_exported_interface_has_or_is_using_name_0_from_private_module_1_4056", "Return type of method from exported interface has or is using name '{0}' from private module '{1}'."),
+        Return_type_of_method_from_exported_interface_has_or_is_using_private_name_0: diag(4057, ts.DiagnosticCategory.Error, "Return_type_of_method_from_exported_interface_has_or_is_using_private_name_0_4057", "Return type of method from exported interface has or is using private name '{0}'."),
+        Return_type_of_exported_function_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named: diag(4058, ts.DiagnosticCategory.Error, "Return_type_of_exported_function_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named_4058", "Return type of exported function has or is using name '{0}' from external module {1} but cannot be named."),
+        Return_type_of_exported_function_has_or_is_using_name_0_from_private_module_1: diag(4059, ts.DiagnosticCategory.Error, "Return_type_of_exported_function_has_or_is_using_name_0_from_private_module_1_4059", "Return type of exported function has or is using name '{0}' from private module '{1}'."),
+        Return_type_of_exported_function_has_or_is_using_private_name_0: diag(4060, ts.DiagnosticCategory.Error, "Return_type_of_exported_function_has_or_is_using_private_name_0_4060", "Return type of exported function has or is using private name '{0}'."),
+        Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: diag(4061, ts.DiagnosticCategory.Error, "Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_can_4061", "Parameter '{0}' of constructor from exported class has or is using name '{1}' from external module {2} but cannot be named."),
+        Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_private_module_2: diag(4062, ts.DiagnosticCategory.Error, "Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_private_module_2_4062", "Parameter '{0}' of constructor from exported class has or is using name '{1}' from private module '{2}'."),
+        Parameter_0_of_constructor_from_exported_class_has_or_is_using_private_name_1: diag(4063, ts.DiagnosticCategory.Error, "Parameter_0_of_constructor_from_exported_class_has_or_is_using_private_name_1_4063", "Parameter '{0}' of constructor from exported class has or is using private name '{1}'."),
+        Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2: diag(4064, ts.DiagnosticCategory.Error, "Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_name_1_from_private_mod_4064", "Parameter '{0}' of constructor signature from exported interface has or is using name '{1}' from private module '{2}'."),
+        Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1: diag(4065, ts.DiagnosticCategory.Error, "Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1_4065", "Parameter '{0}' of constructor signature from exported interface has or is using private name '{1}'."),
+        Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2: diag(4066, ts.DiagnosticCategory.Error, "Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2_4066", "Parameter '{0}' of call signature from exported interface has or is using name '{1}' from private module '{2}'."),
+        Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1: diag(4067, ts.DiagnosticCategory.Error, "Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1_4067", "Parameter '{0}' of call signature from exported interface has or is using private name '{1}'."),
+        Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: diag(4068, ts.DiagnosticCategory.Error, "Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_external_module__4068", "Parameter '{0}' of public static method from exported class has or is using name '{1}' from external module {2} but cannot be named."),
+        Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_private_module_2: diag(4069, ts.DiagnosticCategory.Error, "Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_private_module_2_4069", "Parameter '{0}' of public static method from exported class has or is using name '{1}' from private module '{2}'."),
+        Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1: diag(4070, ts.DiagnosticCategory.Error, "Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1_4070", "Parameter '{0}' of public static method from exported class has or is using private name '{1}'."),
+        Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: diag(4071, ts.DiagnosticCategory.Error, "Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_c_4071", "Parameter '{0}' of public method from exported class has or is using name '{1}' from external module {2} but cannot be named."),
+        Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_private_module_2: diag(4072, ts.DiagnosticCategory.Error, "Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_private_module_2_4072", "Parameter '{0}' of public method from exported class has or is using name '{1}' from private module '{2}'."),
+        Parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1: diag(4073, ts.DiagnosticCategory.Error, "Parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1_4073", "Parameter '{0}' of public method from exported class has or is using private name '{1}'."),
+        Parameter_0_of_method_from_exported_interface_has_or_is_using_name_1_from_private_module_2: diag(4074, ts.DiagnosticCategory.Error, "Parameter_0_of_method_from_exported_interface_has_or_is_using_name_1_from_private_module_2_4074", "Parameter '{0}' of method from exported interface has or is using name '{1}' from private module '{2}'."),
+        Parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1: diag(4075, ts.DiagnosticCategory.Error, "Parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1_4075", "Parameter '{0}' of method from exported interface has or is using private name '{1}'."),
+        Parameter_0_of_exported_function_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: diag(4076, ts.DiagnosticCategory.Error, "Parameter_0_of_exported_function_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named_4076", "Parameter '{0}' of exported function has or is using name '{1}' from external module {2} but cannot be named."),
+        Parameter_0_of_exported_function_has_or_is_using_name_1_from_private_module_2: diag(4077, ts.DiagnosticCategory.Error, "Parameter_0_of_exported_function_has_or_is_using_name_1_from_private_module_2_4077", "Parameter '{0}' of exported function has or is using name '{1}' from private module '{2}'."),
+        Parameter_0_of_exported_function_has_or_is_using_private_name_1: diag(4078, ts.DiagnosticCategory.Error, "Parameter_0_of_exported_function_has_or_is_using_private_name_1_4078", "Parameter '{0}' of exported function has or is using private name '{1}'."),
+        Exported_type_alias_0_has_or_is_using_private_name_1: diag(4081, ts.DiagnosticCategory.Error, "Exported_type_alias_0_has_or_is_using_private_name_1_4081", "Exported type alias '{0}' has or is using private name '{1}'."),
+        Default_export_of_the_module_has_or_is_using_private_name_0: diag(4082, ts.DiagnosticCategory.Error, "Default_export_of_the_module_has_or_is_using_private_name_0_4082", "Default export of the module has or is using private name '{0}'."),
+        Type_parameter_0_of_exported_type_alias_has_or_is_using_private_name_1: diag(4083, ts.DiagnosticCategory.Error, "Type_parameter_0_of_exported_type_alias_has_or_is_using_private_name_1_4083", "Type parameter '{0}' of exported type alias has or is using private name '{1}'."),
+        Conflicting_definitions_for_0_found_at_1_and_2_Consider_installing_a_specific_version_of_this_library_to_resolve_the_conflict: diag(4090, ts.DiagnosticCategory.Message, "Conflicting_definitions_for_0_found_at_1_and_2_Consider_installing_a_specific_version_of_this_librar_4090", "Conflicting definitions for '{0}' found at '{1}' and '{2}'. Consider installing a specific version of this library to resolve the conflict."),
+        Parameter_0_of_index_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2: diag(4091, ts.DiagnosticCategory.Error, "Parameter_0_of_index_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2_4091", "Parameter '{0}' of index signature from exported interface has or is using name '{1}' from private module '{2}'."),
+        Parameter_0_of_index_signature_from_exported_interface_has_or_is_using_private_name_1: diag(4092, ts.DiagnosticCategory.Error, "Parameter_0_of_index_signature_from_exported_interface_has_or_is_using_private_name_1_4092", "Parameter '{0}' of index signature from exported interface has or is using private name '{1}'."),
+        Property_0_of_exported_class_expression_may_not_be_private_or_protected: diag(4094, ts.DiagnosticCategory.Error, "Property_0_of_exported_class_expression_may_not_be_private_or_protected_4094", "Property '{0}' of exported class expression may not be private or protected."),
+        The_current_host_does_not_support_the_0_option: diag(5001, ts.DiagnosticCategory.Error, "The_current_host_does_not_support_the_0_option_5001", "The current host does not support the '{0}' option."),
+        Cannot_find_the_common_subdirectory_path_for_the_input_files: diag(5009, ts.DiagnosticCategory.Error, "Cannot_find_the_common_subdirectory_path_for_the_input_files_5009", "Cannot find the common subdirectory path for the input files."),
+        File_specification_cannot_end_in_a_recursive_directory_wildcard_Asterisk_Asterisk_Colon_0: diag(5010, ts.DiagnosticCategory.Error, "File_specification_cannot_end_in_a_recursive_directory_wildcard_Asterisk_Asterisk_Colon_0_5010", "File specification cannot end in a recursive directory wildcard ('**'): '{0}'."),
+        File_specification_cannot_contain_multiple_recursive_directory_wildcards_Asterisk_Asterisk_Colon_0: diag(5011, ts.DiagnosticCategory.Error, "File_specification_cannot_contain_multiple_recursive_directory_wildcards_Asterisk_Asterisk_Colon_0_5011", "File specification cannot contain multiple recursive directory wildcards ('**'): '{0}'."),
+        Cannot_read_file_0_Colon_1: diag(5012, ts.DiagnosticCategory.Error, "Cannot_read_file_0_Colon_1_5012", "Cannot read file '{0}': {1}."),
+        Failed_to_parse_file_0_Colon_1: diag(5014, ts.DiagnosticCategory.Error, "Failed_to_parse_file_0_Colon_1_5014", "Failed to parse file '{0}': {1}."),
+        Unknown_compiler_option_0: diag(5023, ts.DiagnosticCategory.Error, "Unknown_compiler_option_0_5023", "Unknown compiler option '{0}'."),
+        Compiler_option_0_requires_a_value_of_type_1: diag(5024, ts.DiagnosticCategory.Error, "Compiler_option_0_requires_a_value_of_type_1_5024", "Compiler option '{0}' requires a value of type {1}."),
+        Could_not_write_file_0_Colon_1: diag(5033, ts.DiagnosticCategory.Error, "Could_not_write_file_0_Colon_1_5033", "Could not write file '{0}': {1}."),
+        Option_project_cannot_be_mixed_with_source_files_on_a_command_line: diag(5042, ts.DiagnosticCategory.Error, "Option_project_cannot_be_mixed_with_source_files_on_a_command_line_5042", "Option 'project' cannot be mixed with source files on a command line."),
+        Option_isolatedModules_can_only_be_used_when_either_option_module_is_provided_or_option_target_is_ES2015_or_higher: diag(5047, ts.DiagnosticCategory.Error, "Option_isolatedModules_can_only_be_used_when_either_option_module_is_provided_or_option_target_is_ES_5047", "Option 'isolatedModules' can only be used when either option '--module' is provided or option 'target' is 'ES2015' or higher."),
+        Option_0_can_only_be_used_when_either_option_inlineSourceMap_or_option_sourceMap_is_provided: diag(5051, ts.DiagnosticCategory.Error, "Option_0_can_only_be_used_when_either_option_inlineSourceMap_or_option_sourceMap_is_provided_5051", "Option '{0} can only be used when either option '--inlineSourceMap' or option '--sourceMap' is provided."),
+        Option_0_cannot_be_specified_without_specifying_option_1: diag(5052, ts.DiagnosticCategory.Error, "Option_0_cannot_be_specified_without_specifying_option_1_5052", "Option '{0}' cannot be specified without specifying option '{1}'."),
+        Option_0_cannot_be_specified_with_option_1: diag(5053, ts.DiagnosticCategory.Error, "Option_0_cannot_be_specified_with_option_1_5053", "Option '{0}' cannot be specified with option '{1}'."),
+        A_tsconfig_json_file_is_already_defined_at_Colon_0: diag(5054, ts.DiagnosticCategory.Error, "A_tsconfig_json_file_is_already_defined_at_Colon_0_5054", "A 'tsconfig.json' file is already defined at: '{0}'."),
+        Cannot_write_file_0_because_it_would_overwrite_input_file: diag(5055, ts.DiagnosticCategory.Error, "Cannot_write_file_0_because_it_would_overwrite_input_file_5055", "Cannot write file '{0}' because it would overwrite input file."),
+        Cannot_write_file_0_because_it_would_be_overwritten_by_multiple_input_files: diag(5056, ts.DiagnosticCategory.Error, "Cannot_write_file_0_because_it_would_be_overwritten_by_multiple_input_files_5056", "Cannot write file '{0}' because it would be overwritten by multiple input files."),
+        Cannot_find_a_tsconfig_json_file_at_the_specified_directory_Colon_0: diag(5057, ts.DiagnosticCategory.Error, "Cannot_find_a_tsconfig_json_file_at_the_specified_directory_Colon_0_5057", "Cannot find a tsconfig.json file at the specified directory: '{0}'."),
+        The_specified_path_does_not_exist_Colon_0: diag(5058, ts.DiagnosticCategory.Error, "The_specified_path_does_not_exist_Colon_0_5058", "The specified path does not exist: '{0}'."),
+        Invalid_value_for_reactNamespace_0_is_not_a_valid_identifier: diag(5059, ts.DiagnosticCategory.Error, "Invalid_value_for_reactNamespace_0_is_not_a_valid_identifier_5059", "Invalid value for '--reactNamespace'. '{0}' is not a valid identifier."),
+        Option_paths_cannot_be_used_without_specifying_baseUrl_option: diag(5060, ts.DiagnosticCategory.Error, "Option_paths_cannot_be_used_without_specifying_baseUrl_option_5060", "Option 'paths' cannot be used without specifying '--baseUrl' option."),
+        Pattern_0_can_have_at_most_one_Asterisk_character: diag(5061, ts.DiagnosticCategory.Error, "Pattern_0_can_have_at_most_one_Asterisk_character_5061", "Pattern '{0}' can have at most one '*' character."),
+        Substitution_0_in_pattern_1_in_can_have_at_most_one_Asterisk_character: diag(5062, ts.DiagnosticCategory.Error, "Substitution_0_in_pattern_1_in_can_have_at_most_one_Asterisk_character_5062", "Substitution '{0}' in pattern '{1}' in can have at most one '*' character."),
+        Substitutions_for_pattern_0_should_be_an_array: diag(5063, ts.DiagnosticCategory.Error, "Substitutions_for_pattern_0_should_be_an_array_5063", "Substitutions for pattern '{0}' should be an array."),
+        Substitution_0_for_pattern_1_has_incorrect_type_expected_string_got_2: diag(5064, ts.DiagnosticCategory.Error, "Substitution_0_for_pattern_1_has_incorrect_type_expected_string_got_2_5064", "Substitution '{0}' for pattern '{1}' has incorrect type, expected 'string', got '{2}'."),
+        File_specification_cannot_contain_a_parent_directory_that_appears_after_a_recursive_directory_wildcard_Asterisk_Asterisk_Colon_0: diag(5065, ts.DiagnosticCategory.Error, "File_specification_cannot_contain_a_parent_directory_that_appears_after_a_recursive_directory_wildca_5065", "File specification cannot contain a parent directory ('..') that appears after a recursive directory wildcard ('**'): '{0}'."),
+        Substitutions_for_pattern_0_shouldn_t_be_an_empty_array: diag(5066, ts.DiagnosticCategory.Error, "Substitutions_for_pattern_0_shouldn_t_be_an_empty_array_5066", "Substitutions for pattern '{0}' shouldn't be an empty array."),
+        Invalid_value_for_jsxFactory_0_is_not_a_valid_identifier_or_qualified_name: diag(5067, ts.DiagnosticCategory.Error, "Invalid_value_for_jsxFactory_0_is_not_a_valid_identifier_or_qualified_name_5067", "Invalid value for 'jsxFactory'. '{0}' is not a valid identifier or qualified-name."),
+        Concatenate_and_emit_output_to_single_file: diag(6001, ts.DiagnosticCategory.Message, "Concatenate_and_emit_output_to_single_file_6001", "Concatenate and emit output to single file."),
+        Generates_corresponding_d_ts_file: diag(6002, ts.DiagnosticCategory.Message, "Generates_corresponding_d_ts_file_6002", "Generates corresponding '.d.ts' file."),
+        Specify_the_location_where_debugger_should_locate_map_files_instead_of_generated_locations: diag(6003, ts.DiagnosticCategory.Message, "Specify_the_location_where_debugger_should_locate_map_files_instead_of_generated_locations_6003", "Specify the location where debugger should locate map files instead of generated locations."),
+        Specify_the_location_where_debugger_should_locate_TypeScript_files_instead_of_source_locations: diag(6004, ts.DiagnosticCategory.Message, "Specify_the_location_where_debugger_should_locate_TypeScript_files_instead_of_source_locations_6004", "Specify the location where debugger should locate TypeScript files instead of source locations."),
+        Watch_input_files: diag(6005, ts.DiagnosticCategory.Message, "Watch_input_files_6005", "Watch input files."),
+        Redirect_output_structure_to_the_directory: diag(6006, ts.DiagnosticCategory.Message, "Redirect_output_structure_to_the_directory_6006", "Redirect output structure to the directory."),
+        Do_not_erase_const_enum_declarations_in_generated_code: diag(6007, ts.DiagnosticCategory.Message, "Do_not_erase_const_enum_declarations_in_generated_code_6007", "Do not erase const enum declarations in generated code."),
+        Do_not_emit_outputs_if_any_errors_were_reported: diag(6008, ts.DiagnosticCategory.Message, "Do_not_emit_outputs_if_any_errors_were_reported_6008", "Do not emit outputs if any errors were reported."),
+        Do_not_emit_comments_to_output: diag(6009, ts.DiagnosticCategory.Message, "Do_not_emit_comments_to_output_6009", "Do not emit comments to output."),
+        Do_not_emit_outputs: diag(6010, ts.DiagnosticCategory.Message, "Do_not_emit_outputs_6010", "Do not emit outputs."),
+        Allow_default_imports_from_modules_with_no_default_export_This_does_not_affect_code_emit_just_typechecking: diag(6011, ts.DiagnosticCategory.Message, "Allow_default_imports_from_modules_with_no_default_export_This_does_not_affect_code_emit_just_typech_6011", "Allow default imports from modules with no default export. This does not affect code emit, just typechecking."),
+        Skip_type_checking_of_declaration_files: diag(6012, ts.DiagnosticCategory.Message, "Skip_type_checking_of_declaration_files_6012", "Skip type checking of declaration files."),
+        Do_not_resolve_the_real_path_of_symlinks: diag(6013, ts.DiagnosticCategory.Message, "Do_not_resolve_the_real_path_of_symlinks_6013", "Do not resolve the real path of symlinks."),
+        Specify_ECMAScript_target_version_Colon_ES3_default_ES5_ES2015_ES2016_ES2017_or_ESNEXT: diag(6015, ts.DiagnosticCategory.Message, "Specify_ECMAScript_target_version_Colon_ES3_default_ES5_ES2015_ES2016_ES2017_or_ESNEXT_6015", "Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', or 'ESNEXT'."),
+        Specify_module_code_generation_Colon_none_commonjs_amd_system_umd_es2015_or_ESNext: diag(6016, ts.DiagnosticCategory.Message, "Specify_module_code_generation_Colon_none_commonjs_amd_system_umd_es2015_or_ESNext_6016", "Specify module code generation: 'none', commonjs', 'amd', 'system', 'umd', 'es2015', or 'ESNext'."),
+        Print_this_message: diag(6017, ts.DiagnosticCategory.Message, "Print_this_message_6017", "Print this message."),
+        Print_the_compiler_s_version: diag(6019, ts.DiagnosticCategory.Message, "Print_the_compiler_s_version_6019", "Print the compiler's version."),
+        Compile_the_project_given_the_path_to_its_configuration_file_or_to_a_folder_with_a_tsconfig_json: diag(6020, ts.DiagnosticCategory.Message, "Compile_the_project_given_the_path_to_its_configuration_file_or_to_a_folder_with_a_tsconfig_json_6020", "Compile the project given the path to its configuration file, or to a folder with a 'tsconfig.json'."),
+        Syntax_Colon_0: diag(6023, ts.DiagnosticCategory.Message, "Syntax_Colon_0_6023", "Syntax: {0}"),
+        options: diag(6024, ts.DiagnosticCategory.Message, "options_6024", "options"),
+        file: diag(6025, ts.DiagnosticCategory.Message, "file_6025", "file"),
+        Examples_Colon_0: diag(6026, ts.DiagnosticCategory.Message, "Examples_Colon_0_6026", "Examples: {0}"),
+        Options_Colon: diag(6027, ts.DiagnosticCategory.Message, "Options_Colon_6027", "Options:"),
+        Version_0: diag(6029, ts.DiagnosticCategory.Message, "Version_0_6029", "Version {0}"),
+        Insert_command_line_options_and_files_from_a_file: diag(6030, ts.DiagnosticCategory.Message, "Insert_command_line_options_and_files_from_a_file_6030", "Insert command line options and files from a file."),
+        File_change_detected_Starting_incremental_compilation: diag(6032, ts.DiagnosticCategory.Message, "File_change_detected_Starting_incremental_compilation_6032", "File change detected. Starting incremental compilation..."),
+        KIND: diag(6034, ts.DiagnosticCategory.Message, "KIND_6034", "KIND"),
+        FILE: diag(6035, ts.DiagnosticCategory.Message, "FILE_6035", "FILE"),
+        VERSION: diag(6036, ts.DiagnosticCategory.Message, "VERSION_6036", "VERSION"),
+        LOCATION: diag(6037, ts.DiagnosticCategory.Message, "LOCATION_6037", "LOCATION"),
+        DIRECTORY: diag(6038, ts.DiagnosticCategory.Message, "DIRECTORY_6038", "DIRECTORY"),
+        STRATEGY: diag(6039, ts.DiagnosticCategory.Message, "STRATEGY_6039", "STRATEGY"),
+        FILE_OR_DIRECTORY: diag(6040, ts.DiagnosticCategory.Message, "FILE_OR_DIRECTORY_6040", "FILE OR DIRECTORY"),
+        Compilation_complete_Watching_for_file_changes: diag(6042, ts.DiagnosticCategory.Message, "Compilation_complete_Watching_for_file_changes_6042", "Compilation complete. Watching for file changes."),
+        Generates_corresponding_map_file: diag(6043, ts.DiagnosticCategory.Message, "Generates_corresponding_map_file_6043", "Generates corresponding '.map' file."),
+        Compiler_option_0_expects_an_argument: diag(6044, ts.DiagnosticCategory.Error, "Compiler_option_0_expects_an_argument_6044", "Compiler option '{0}' expects an argument."),
+        Unterminated_quoted_string_in_response_file_0: diag(6045, ts.DiagnosticCategory.Error, "Unterminated_quoted_string_in_response_file_0_6045", "Unterminated quoted string in response file '{0}'."),
+        Argument_for_0_option_must_be_Colon_1: diag(6046, ts.DiagnosticCategory.Error, "Argument_for_0_option_must_be_Colon_1_6046", "Argument for '{0}' option must be: {1}."),
+        Locale_must_be_of_the_form_language_or_language_territory_For_example_0_or_1: diag(6048, ts.DiagnosticCategory.Error, "Locale_must_be_of_the_form_language_or_language_territory_For_example_0_or_1_6048", "Locale must be of the form <language> or <language>-<territory>. For example '{0}' or '{1}'."),
+        Unsupported_locale_0: diag(6049, ts.DiagnosticCategory.Error, "Unsupported_locale_0_6049", "Unsupported locale '{0}'."),
+        Unable_to_open_file_0: diag(6050, ts.DiagnosticCategory.Error, "Unable_to_open_file_0_6050", "Unable to open file '{0}'."),
+        Corrupted_locale_file_0: diag(6051, ts.DiagnosticCategory.Error, "Corrupted_locale_file_0_6051", "Corrupted locale file {0}."),
+        Raise_error_on_expressions_and_declarations_with_an_implied_any_type: diag(6052, ts.DiagnosticCategory.Message, "Raise_error_on_expressions_and_declarations_with_an_implied_any_type_6052", "Raise error on expressions and declarations with an implied 'any' type."),
+        File_0_not_found: diag(6053, ts.DiagnosticCategory.Error, "File_0_not_found_6053", "File '{0}' not found."),
+        File_0_has_unsupported_extension_The_only_supported_extensions_are_1: diag(6054, ts.DiagnosticCategory.Error, "File_0_has_unsupported_extension_The_only_supported_extensions_are_1_6054", "File '{0}' has unsupported extension. The only supported extensions are {1}."),
+        Suppress_noImplicitAny_errors_for_indexing_objects_lacking_index_signatures: diag(6055, ts.DiagnosticCategory.Message, "Suppress_noImplicitAny_errors_for_indexing_objects_lacking_index_signatures_6055", "Suppress noImplicitAny errors for indexing objects lacking index signatures."),
+        Do_not_emit_declarations_for_code_that_has_an_internal_annotation: diag(6056, ts.DiagnosticCategory.Message, "Do_not_emit_declarations_for_code_that_has_an_internal_annotation_6056", "Do not emit declarations for code that has an '@internal' annotation."),
+        Specify_the_root_directory_of_input_files_Use_to_control_the_output_directory_structure_with_outDir: diag(6058, ts.DiagnosticCategory.Message, "Specify_the_root_directory_of_input_files_Use_to_control_the_output_directory_structure_with_outDir_6058", "Specify the root directory of input files. Use to control the output directory structure with --outDir."),
+        File_0_is_not_under_rootDir_1_rootDir_is_expected_to_contain_all_source_files: diag(6059, ts.DiagnosticCategory.Error, "File_0_is_not_under_rootDir_1_rootDir_is_expected_to_contain_all_source_files_6059", "File '{0}' is not under 'rootDir' '{1}'. 'rootDir' is expected to contain all source files."),
+        Specify_the_end_of_line_sequence_to_be_used_when_emitting_files_Colon_CRLF_dos_or_LF_unix: diag(6060, ts.DiagnosticCategory.Message, "Specify_the_end_of_line_sequence_to_be_used_when_emitting_files_Colon_CRLF_dos_or_LF_unix_6060", "Specify the end of line sequence to be used when emitting files: 'CRLF' (dos) or 'LF' (unix)."),
+        NEWLINE: diag(6061, ts.DiagnosticCategory.Message, "NEWLINE_6061", "NEWLINE"),
+        Option_0_can_only_be_specified_in_tsconfig_json_file: diag(6064, ts.DiagnosticCategory.Error, "Option_0_can_only_be_specified_in_tsconfig_json_file_6064", "Option '{0}' can only be specified in 'tsconfig.json' file."),
+        Enables_experimental_support_for_ES7_decorators: diag(6065, ts.DiagnosticCategory.Message, "Enables_experimental_support_for_ES7_decorators_6065", "Enables experimental support for ES7 decorators."),
+        Enables_experimental_support_for_emitting_type_metadata_for_decorators: diag(6066, ts.DiagnosticCategory.Message, "Enables_experimental_support_for_emitting_type_metadata_for_decorators_6066", "Enables experimental support for emitting type metadata for decorators."),
+        Enables_experimental_support_for_ES7_async_functions: diag(6068, ts.DiagnosticCategory.Message, "Enables_experimental_support_for_ES7_async_functions_6068", "Enables experimental support for ES7 async functions."),
+        Specify_module_resolution_strategy_Colon_node_Node_js_or_classic_TypeScript_pre_1_6: diag(6069, ts.DiagnosticCategory.Message, "Specify_module_resolution_strategy_Colon_node_Node_js_or_classic_TypeScript_pre_1_6_6069", "Specify module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6)."),
+        Initializes_a_TypeScript_project_and_creates_a_tsconfig_json_file: diag(6070, ts.DiagnosticCategory.Message, "Initializes_a_TypeScript_project_and_creates_a_tsconfig_json_file_6070", "Initializes a TypeScript project and creates a tsconfig.json file."),
+        Successfully_created_a_tsconfig_json_file: diag(6071, ts.DiagnosticCategory.Message, "Successfully_created_a_tsconfig_json_file_6071", "Successfully created a tsconfig.json file."),
+        Suppress_excess_property_checks_for_object_literals: diag(6072, ts.DiagnosticCategory.Message, "Suppress_excess_property_checks_for_object_literals_6072", "Suppress excess property checks for object literals."),
+        Stylize_errors_and_messages_using_color_and_context_experimental: diag(6073, ts.DiagnosticCategory.Message, "Stylize_errors_and_messages_using_color_and_context_experimental_6073", "Stylize errors and messages using color and context (experimental)."),
+        Do_not_report_errors_on_unused_labels: diag(6074, ts.DiagnosticCategory.Message, "Do_not_report_errors_on_unused_labels_6074", "Do not report errors on unused labels."),
+        Report_error_when_not_all_code_paths_in_function_return_a_value: diag(6075, ts.DiagnosticCategory.Message, "Report_error_when_not_all_code_paths_in_function_return_a_value_6075", "Report error when not all code paths in function return a value."),
+        Report_errors_for_fallthrough_cases_in_switch_statement: diag(6076, ts.DiagnosticCategory.Message, "Report_errors_for_fallthrough_cases_in_switch_statement_6076", "Report errors for fallthrough cases in switch statement."),
+        Do_not_report_errors_on_unreachable_code: diag(6077, ts.DiagnosticCategory.Message, "Do_not_report_errors_on_unreachable_code_6077", "Do not report errors on unreachable code."),
+        Disallow_inconsistently_cased_references_to_the_same_file: diag(6078, ts.DiagnosticCategory.Message, "Disallow_inconsistently_cased_references_to_the_same_file_6078", "Disallow inconsistently-cased references to the same file."),
+        Specify_library_files_to_be_included_in_the_compilation_Colon: diag(6079, ts.DiagnosticCategory.Message, "Specify_library_files_to_be_included_in_the_compilation_Colon_6079", "Specify library files to be included in the compilation: "),
+        Specify_JSX_code_generation_Colon_preserve_react_native_or_react: diag(6080, ts.DiagnosticCategory.Message, "Specify_JSX_code_generation_Colon_preserve_react_native_or_react_6080", "Specify JSX code generation: 'preserve', 'react-native', or 'react'."),
+        File_0_has_an_unsupported_extension_so_skipping_it: diag(6081, ts.DiagnosticCategory.Message, "File_0_has_an_unsupported_extension_so_skipping_it_6081", "File '{0}' has an unsupported extension, so skipping it."),
+        Only_amd_and_system_modules_are_supported_alongside_0: diag(6082, ts.DiagnosticCategory.Error, "Only_amd_and_system_modules_are_supported_alongside_0_6082", "Only 'amd' and 'system' modules are supported alongside --{0}."),
+        Base_directory_to_resolve_non_absolute_module_names: diag(6083, ts.DiagnosticCategory.Message, "Base_directory_to_resolve_non_absolute_module_names_6083", "Base directory to resolve non-absolute module names."),
+        Deprecated_Use_jsxFactory_instead_Specify_the_object_invoked_for_createElement_when_targeting_react_JSX_emit: diag(6084, ts.DiagnosticCategory.Message, "Deprecated_Use_jsxFactory_instead_Specify_the_object_invoked_for_createElement_when_targeting_react__6084", "[Deprecated] Use '--jsxFactory' instead. Specify the object invoked for createElement when targeting 'react' JSX emit"),
+        Enable_tracing_of_the_name_resolution_process: diag(6085, ts.DiagnosticCategory.Message, "Enable_tracing_of_the_name_resolution_process_6085", "Enable tracing of the name resolution process."),
+        Resolving_module_0_from_1: diag(6086, ts.DiagnosticCategory.Message, "Resolving_module_0_from_1_6086", "======== Resolving module '{0}' from '{1}'. ========"),
+        Explicitly_specified_module_resolution_kind_Colon_0: diag(6087, ts.DiagnosticCategory.Message, "Explicitly_specified_module_resolution_kind_Colon_0_6087", "Explicitly specified module resolution kind: '{0}'."),
+        Module_resolution_kind_is_not_specified_using_0: diag(6088, ts.DiagnosticCategory.Message, "Module_resolution_kind_is_not_specified_using_0_6088", "Module resolution kind is not specified, using '{0}'."),
+        Module_name_0_was_successfully_resolved_to_1: diag(6089, ts.DiagnosticCategory.Message, "Module_name_0_was_successfully_resolved_to_1_6089", "======== Module name '{0}' was successfully resolved to '{1}'. ========"),
+        Module_name_0_was_not_resolved: diag(6090, ts.DiagnosticCategory.Message, "Module_name_0_was_not_resolved_6090", "======== Module name '{0}' was not resolved. ========"),
+        paths_option_is_specified_looking_for_a_pattern_to_match_module_name_0: diag(6091, ts.DiagnosticCategory.Message, "paths_option_is_specified_looking_for_a_pattern_to_match_module_name_0_6091", "'paths' option is specified, looking for a pattern to match module name '{0}'."),
+        Module_name_0_matched_pattern_1: diag(6092, ts.DiagnosticCategory.Message, "Module_name_0_matched_pattern_1_6092", "Module name '{0}', matched pattern '{1}'."),
+        Trying_substitution_0_candidate_module_location_Colon_1: diag(6093, ts.DiagnosticCategory.Message, "Trying_substitution_0_candidate_module_location_Colon_1_6093", "Trying substitution '{0}', candidate module location: '{1}'."),
+        Resolving_module_name_0_relative_to_base_url_1_2: diag(6094, ts.DiagnosticCategory.Message, "Resolving_module_name_0_relative_to_base_url_1_2_6094", "Resolving module name '{0}' relative to base url '{1}' - '{2}'."),
+        Loading_module_as_file_Slash_folder_candidate_module_location_0_target_file_type_1: diag(6095, ts.DiagnosticCategory.Message, "Loading_module_as_file_Slash_folder_candidate_module_location_0_target_file_type_1_6095", "Loading module as file / folder, candidate module location '{0}', target file type '{1}'."),
+        File_0_does_not_exist: diag(6096, ts.DiagnosticCategory.Message, "File_0_does_not_exist_6096", "File '{0}' does not exist."),
+        File_0_exist_use_it_as_a_name_resolution_result: diag(6097, ts.DiagnosticCategory.Message, "File_0_exist_use_it_as_a_name_resolution_result_6097", "File '{0}' exist - use it as a name resolution result."),
+        Loading_module_0_from_node_modules_folder_target_file_type_1: diag(6098, ts.DiagnosticCategory.Message, "Loading_module_0_from_node_modules_folder_target_file_type_1_6098", "Loading module '{0}' from 'node_modules' folder, target file type '{1}'."),
+        Found_package_json_at_0: diag(6099, ts.DiagnosticCategory.Message, "Found_package_json_at_0_6099", "Found 'package.json' at '{0}'."),
+        package_json_does_not_have_a_0_field: diag(6100, ts.DiagnosticCategory.Message, "package_json_does_not_have_a_0_field_6100", "'package.json' does not have a '{0}' field."),
+        package_json_has_0_field_1_that_references_2: diag(6101, ts.DiagnosticCategory.Message, "package_json_has_0_field_1_that_references_2_6101", "'package.json' has '{0}' field '{1}' that references '{2}'."),
+        Allow_javascript_files_to_be_compiled: diag(6102, ts.DiagnosticCategory.Message, "Allow_javascript_files_to_be_compiled_6102", "Allow javascript files to be compiled."),
+        Option_0_should_have_array_of_strings_as_a_value: diag(6103, ts.DiagnosticCategory.Error, "Option_0_should_have_array_of_strings_as_a_value_6103", "Option '{0}' should have array of strings as a value."),
+        Checking_if_0_is_the_longest_matching_prefix_for_1_2: diag(6104, ts.DiagnosticCategory.Message, "Checking_if_0_is_the_longest_matching_prefix_for_1_2_6104", "Checking if '{0}' is the longest matching prefix for '{1}' - '{2}'."),
+        Expected_type_of_0_field_in_package_json_to_be_string_got_1: diag(6105, ts.DiagnosticCategory.Message, "Expected_type_of_0_field_in_package_json_to_be_string_got_1_6105", "Expected type of '{0}' field in 'package.json' to be 'string', got '{1}'."),
+        baseUrl_option_is_set_to_0_using_this_value_to_resolve_non_relative_module_name_1: diag(6106, ts.DiagnosticCategory.Message, "baseUrl_option_is_set_to_0_using_this_value_to_resolve_non_relative_module_name_1_6106", "'baseUrl' option is set to '{0}', using this value to resolve non-relative module name '{1}'."),
+        rootDirs_option_is_set_using_it_to_resolve_relative_module_name_0: diag(6107, ts.DiagnosticCategory.Message, "rootDirs_option_is_set_using_it_to_resolve_relative_module_name_0_6107", "'rootDirs' option is set, using it to resolve relative module name '{0}'."),
+        Longest_matching_prefix_for_0_is_1: diag(6108, ts.DiagnosticCategory.Message, "Longest_matching_prefix_for_0_is_1_6108", "Longest matching prefix for '{0}' is '{1}'."),
+        Loading_0_from_the_root_dir_1_candidate_location_2: diag(6109, ts.DiagnosticCategory.Message, "Loading_0_from_the_root_dir_1_candidate_location_2_6109", "Loading '{0}' from the root dir '{1}', candidate location '{2}'."),
+        Trying_other_entries_in_rootDirs: diag(6110, ts.DiagnosticCategory.Message, "Trying_other_entries_in_rootDirs_6110", "Trying other entries in 'rootDirs'."),
+        Module_resolution_using_rootDirs_has_failed: diag(6111, ts.DiagnosticCategory.Message, "Module_resolution_using_rootDirs_has_failed_6111", "Module resolution using 'rootDirs' has failed."),
+        Do_not_emit_use_strict_directives_in_module_output: diag(6112, ts.DiagnosticCategory.Message, "Do_not_emit_use_strict_directives_in_module_output_6112", "Do not emit 'use strict' directives in module output."),
+        Enable_strict_null_checks: diag(6113, ts.DiagnosticCategory.Message, "Enable_strict_null_checks_6113", "Enable strict null checks."),
+        Unknown_option_excludes_Did_you_mean_exclude: diag(6114, ts.DiagnosticCategory.Error, "Unknown_option_excludes_Did_you_mean_exclude_6114", "Unknown option 'excludes'. Did you mean 'exclude'?"),
+        Raise_error_on_this_expressions_with_an_implied_any_type: diag(6115, ts.DiagnosticCategory.Message, "Raise_error_on_this_expressions_with_an_implied_any_type_6115", "Raise error on 'this' expressions with an implied 'any' type."),
+        Resolving_type_reference_directive_0_containing_file_1_root_directory_2: diag(6116, ts.DiagnosticCategory.Message, "Resolving_type_reference_directive_0_containing_file_1_root_directory_2_6116", "======== Resolving type reference directive '{0}', containing file '{1}', root directory '{2}'. ========"),
+        Resolving_using_primary_search_paths: diag(6117, ts.DiagnosticCategory.Message, "Resolving_using_primary_search_paths_6117", "Resolving using primary search paths..."),
+        Resolving_from_node_modules_folder: diag(6118, ts.DiagnosticCategory.Message, "Resolving_from_node_modules_folder_6118", "Resolving from node_modules folder..."),
+        Type_reference_directive_0_was_successfully_resolved_to_1_primary_Colon_2: diag(6119, ts.DiagnosticCategory.Message, "Type_reference_directive_0_was_successfully_resolved_to_1_primary_Colon_2_6119", "======== Type reference directive '{0}' was successfully resolved to '{1}', primary: {2}. ========"),
+        Type_reference_directive_0_was_not_resolved: diag(6120, ts.DiagnosticCategory.Message, "Type_reference_directive_0_was_not_resolved_6120", "======== Type reference directive '{0}' was not resolved. ========"),
+        Resolving_with_primary_search_path_0: diag(6121, ts.DiagnosticCategory.Message, "Resolving_with_primary_search_path_0_6121", "Resolving with primary search path '{0}'."),
+        Root_directory_cannot_be_determined_skipping_primary_search_paths: diag(6122, ts.DiagnosticCategory.Message, "Root_directory_cannot_be_determined_skipping_primary_search_paths_6122", "Root directory cannot be determined, skipping primary search paths."),
+        Resolving_type_reference_directive_0_containing_file_1_root_directory_not_set: diag(6123, ts.DiagnosticCategory.Message, "Resolving_type_reference_directive_0_containing_file_1_root_directory_not_set_6123", "======== Resolving type reference directive '{0}', containing file '{1}', root directory not set. ========"),
+        Type_declaration_files_to_be_included_in_compilation: diag(6124, ts.DiagnosticCategory.Message, "Type_declaration_files_to_be_included_in_compilation_6124", "Type declaration files to be included in compilation."),
+        Looking_up_in_node_modules_folder_initial_location_0: diag(6125, ts.DiagnosticCategory.Message, "Looking_up_in_node_modules_folder_initial_location_0_6125", "Looking up in 'node_modules' folder, initial location '{0}'."),
+        Containing_file_is_not_specified_and_root_directory_cannot_be_determined_skipping_lookup_in_node_modules_folder: diag(6126, ts.DiagnosticCategory.Message, "Containing_file_is_not_specified_and_root_directory_cannot_be_determined_skipping_lookup_in_node_mod_6126", "Containing file is not specified and root directory cannot be determined, skipping lookup in 'node_modules' folder."),
+        Resolving_type_reference_directive_0_containing_file_not_set_root_directory_1: diag(6127, ts.DiagnosticCategory.Message, "Resolving_type_reference_directive_0_containing_file_not_set_root_directory_1_6127", "======== Resolving type reference directive '{0}', containing file not set, root directory '{1}'. ========"),
+        Resolving_type_reference_directive_0_containing_file_not_set_root_directory_not_set: diag(6128, ts.DiagnosticCategory.Message, "Resolving_type_reference_directive_0_containing_file_not_set_root_directory_not_set_6128", "======== Resolving type reference directive '{0}', containing file not set, root directory not set. ========"),
+        The_config_file_0_found_doesn_t_contain_any_source_files: diag(6129, ts.DiagnosticCategory.Error, "The_config_file_0_found_doesn_t_contain_any_source_files_6129", "The config file '{0}' found doesn't contain any source files."),
+        Resolving_real_path_for_0_result_1: diag(6130, ts.DiagnosticCategory.Message, "Resolving_real_path_for_0_result_1_6130", "Resolving real path for '{0}', result '{1}'."),
+        Cannot_compile_modules_using_option_0_unless_the_module_flag_is_amd_or_system: diag(6131, ts.DiagnosticCategory.Error, "Cannot_compile_modules_using_option_0_unless_the_module_flag_is_amd_or_system_6131", "Cannot compile modules using option '{0}' unless the '--module' flag is 'amd' or 'system'."),
+        File_name_0_has_a_1_extension_stripping_it: diag(6132, ts.DiagnosticCategory.Message, "File_name_0_has_a_1_extension_stripping_it_6132", "File name '{0}' has a '{1}' extension - stripping it."),
+        _0_is_declared_but_never_used: diag(6133, ts.DiagnosticCategory.Error, "_0_is_declared_but_never_used_6133", "'{0}' is declared but never used."),
+        Report_errors_on_unused_locals: diag(6134, ts.DiagnosticCategory.Message, "Report_errors_on_unused_locals_6134", "Report errors on unused locals."),
+        Report_errors_on_unused_parameters: diag(6135, ts.DiagnosticCategory.Message, "Report_errors_on_unused_parameters_6135", "Report errors on unused parameters."),
+        The_maximum_dependency_depth_to_search_under_node_modules_and_load_JavaScript_files: diag(6136, ts.DiagnosticCategory.Message, "The_maximum_dependency_depth_to_search_under_node_modules_and_load_JavaScript_files_6136", "The maximum dependency depth to search under node_modules and load JavaScript files."),
+        Cannot_import_type_declaration_files_Consider_importing_0_instead_of_1: diag(6137, ts.DiagnosticCategory.Error, "Cannot_import_type_declaration_files_Consider_importing_0_instead_of_1_6137", "Cannot import type declaration files. Consider importing '{0}' instead of '{1}'."),
+        Property_0_is_declared_but_never_used: diag(6138, ts.DiagnosticCategory.Error, "Property_0_is_declared_but_never_used_6138", "Property '{0}' is declared but never used."),
+        Import_emit_helpers_from_tslib: diag(6139, ts.DiagnosticCategory.Message, "Import_emit_helpers_from_tslib_6139", "Import emit helpers from 'tslib'."),
+        Auto_discovery_for_typings_is_enabled_in_project_0_Running_extra_resolution_pass_for_module_1_using_cache_location_2: diag(6140, ts.DiagnosticCategory.Error, "Auto_discovery_for_typings_is_enabled_in_project_0_Running_extra_resolution_pass_for_module_1_using__6140", "Auto discovery for typings is enabled in project '{0}'. Running extra resolution pass for module '{1}' using cache location '{2}'."),
+        Parse_in_strict_mode_and_emit_use_strict_for_each_source_file: diag(6141, ts.DiagnosticCategory.Message, "Parse_in_strict_mode_and_emit_use_strict_for_each_source_file_6141", "Parse in strict mode and emit \"use strict\" for each source file."),
+        Module_0_was_resolved_to_1_but_jsx_is_not_set: diag(6142, ts.DiagnosticCategory.Error, "Module_0_was_resolved_to_1_but_jsx_is_not_set_6142", "Module '{0}' was resolved to '{1}', but '--jsx' is not set."),
+        Module_0_was_resolved_to_1_but_allowJs_is_not_set: diag(6143, ts.DiagnosticCategory.Error, "Module_0_was_resolved_to_1_but_allowJs_is_not_set_6143", "Module '{0}' was resolved to '{1}', but '--allowJs' is not set."),
+        Module_0_was_resolved_as_locally_declared_ambient_module_in_file_1: diag(6144, ts.DiagnosticCategory.Message, "Module_0_was_resolved_as_locally_declared_ambient_module_in_file_1_6144", "Module '{0}' was resolved as locally declared ambient module in file '{1}'."),
+        Module_0_was_resolved_as_ambient_module_declared_in_1_since_this_file_was_not_modified: diag(6145, ts.DiagnosticCategory.Message, "Module_0_was_resolved_as_ambient_module_declared_in_1_since_this_file_was_not_modified_6145", "Module '{0}' was resolved as ambient module declared in '{1}' since this file was not modified."),
+        Specify_the_JSX_factory_function_to_use_when_targeting_react_JSX_emit_e_g_React_createElement_or_h: diag(6146, ts.DiagnosticCategory.Message, "Specify_the_JSX_factory_function_to_use_when_targeting_react_JSX_emit_e_g_React_createElement_or_h_6146", "Specify the JSX factory function to use when targeting 'react' JSX emit, e.g. 'React.createElement' or 'h'."),
+        Resolution_for_module_0_was_found_in_cache: diag(6147, ts.DiagnosticCategory.Message, "Resolution_for_module_0_was_found_in_cache_6147", "Resolution for module '{0}' was found in cache."),
+        Directory_0_does_not_exist_skipping_all_lookups_in_it: diag(6148, ts.DiagnosticCategory.Message, "Directory_0_does_not_exist_skipping_all_lookups_in_it_6148", "Directory '{0}' does not exist, skipping all lookups in it."),
+        Show_diagnostic_information: diag(6149, ts.DiagnosticCategory.Message, "Show_diagnostic_information_6149", "Show diagnostic information."),
+        Show_verbose_diagnostic_information: diag(6150, ts.DiagnosticCategory.Message, "Show_verbose_diagnostic_information_6150", "Show verbose diagnostic information."),
+        Emit_a_single_file_with_source_maps_instead_of_having_a_separate_file: diag(6151, ts.DiagnosticCategory.Message, "Emit_a_single_file_with_source_maps_instead_of_having_a_separate_file_6151", "Emit a single file with source maps instead of having a separate file."),
+        Emit_the_source_alongside_the_sourcemaps_within_a_single_file_requires_inlineSourceMap_or_sourceMap_to_be_set: diag(6152, ts.DiagnosticCategory.Message, "Emit_the_source_alongside_the_sourcemaps_within_a_single_file_requires_inlineSourceMap_or_sourceMap__6152", "Emit the source alongside the sourcemaps within a single file; requires '--inlineSourceMap' or '--sourceMap' to be set."),
+        Transpile_each_file_as_a_separate_module_similar_to_ts_transpileModule: diag(6153, ts.DiagnosticCategory.Message, "Transpile_each_file_as_a_separate_module_similar_to_ts_transpileModule_6153", "Transpile each file as a separate module (similar to 'ts.transpileModule')."),
+        Print_names_of_generated_files_part_of_the_compilation: diag(6154, ts.DiagnosticCategory.Message, "Print_names_of_generated_files_part_of_the_compilation_6154", "Print names of generated files part of the compilation."),
+        Print_names_of_files_part_of_the_compilation: diag(6155, ts.DiagnosticCategory.Message, "Print_names_of_files_part_of_the_compilation_6155", "Print names of files part of the compilation."),
+        The_locale_used_when_displaying_messages_to_the_user_e_g_en_us: diag(6156, ts.DiagnosticCategory.Message, "The_locale_used_when_displaying_messages_to_the_user_e_g_en_us_6156", "The locale used when displaying messages to the user (e.g. 'en-us')"),
+        Do_not_generate_custom_helper_functions_like_extends_in_compiled_output: diag(6157, ts.DiagnosticCategory.Message, "Do_not_generate_custom_helper_functions_like_extends_in_compiled_output_6157", "Do not generate custom helper functions like '__extends' in compiled output."),
+        Do_not_include_the_default_library_file_lib_d_ts: diag(6158, ts.DiagnosticCategory.Message, "Do_not_include_the_default_library_file_lib_d_ts_6158", "Do not include the default library file (lib.d.ts)."),
+        Do_not_add_triple_slash_references_or_imported_modules_to_the_list_of_compiled_files: diag(6159, ts.DiagnosticCategory.Message, "Do_not_add_triple_slash_references_or_imported_modules_to_the_list_of_compiled_files_6159", "Do not add triple-slash references or imported modules to the list of compiled files."),
+        Deprecated_Use_skipLibCheck_instead_Skip_type_checking_of_default_library_declaration_files: diag(6160, ts.DiagnosticCategory.Message, "Deprecated_Use_skipLibCheck_instead_Skip_type_checking_of_default_library_declaration_files_6160", "[Deprecated] Use '--skipLibCheck' instead. Skip type checking of default library declaration files."),
+        List_of_folders_to_include_type_definitions_from: diag(6161, ts.DiagnosticCategory.Message, "List_of_folders_to_include_type_definitions_from_6161", "List of folders to include type definitions from."),
+        Disable_size_limitations_on_JavaScript_projects: diag(6162, ts.DiagnosticCategory.Message, "Disable_size_limitations_on_JavaScript_projects_6162", "Disable size limitations on JavaScript projects."),
+        The_character_set_of_the_input_files: diag(6163, ts.DiagnosticCategory.Message, "The_character_set_of_the_input_files_6163", "The character set of the input files."),
+        Emit_a_UTF_8_Byte_Order_Mark_BOM_in_the_beginning_of_output_files: diag(6164, ts.DiagnosticCategory.Message, "Emit_a_UTF_8_Byte_Order_Mark_BOM_in_the_beginning_of_output_files_6164", "Emit a UTF-8 Byte Order Mark (BOM) in the beginning of output files."),
+        Do_not_truncate_error_messages: diag(6165, ts.DiagnosticCategory.Message, "Do_not_truncate_error_messages_6165", "Do not truncate error messages."),
+        Output_directory_for_generated_declaration_files: diag(6166, ts.DiagnosticCategory.Message, "Output_directory_for_generated_declaration_files_6166", "Output directory for generated declaration files."),
+        A_series_of_entries_which_re_map_imports_to_lookup_locations_relative_to_the_baseUrl: diag(6167, ts.DiagnosticCategory.Message, "A_series_of_entries_which_re_map_imports_to_lookup_locations_relative_to_the_baseUrl_6167", "A series of entries which re-map imports to lookup locations relative to the 'baseUrl'."),
+        List_of_root_folders_whose_combined_content_represents_the_structure_of_the_project_at_runtime: diag(6168, ts.DiagnosticCategory.Message, "List_of_root_folders_whose_combined_content_represents_the_structure_of_the_project_at_runtime_6168", "List of root folders whose combined content represents the structure of the project at runtime."),
+        Show_all_compiler_options: diag(6169, ts.DiagnosticCategory.Message, "Show_all_compiler_options_6169", "Show all compiler options."),
+        Deprecated_Use_outFile_instead_Concatenate_and_emit_output_to_single_file: diag(6170, ts.DiagnosticCategory.Message, "Deprecated_Use_outFile_instead_Concatenate_and_emit_output_to_single_file_6170", "[Deprecated] Use '--outFile' instead. Concatenate and emit output to single file"),
+        Command_line_Options: diag(6171, ts.DiagnosticCategory.Message, "Command_line_Options_6171", "Command-line Options"),
+        Basic_Options: diag(6172, ts.DiagnosticCategory.Message, "Basic_Options_6172", "Basic Options"),
+        Strict_Type_Checking_Options: diag(6173, ts.DiagnosticCategory.Message, "Strict_Type_Checking_Options_6173", "Strict Type-Checking Options"),
+        Module_Resolution_Options: diag(6174, ts.DiagnosticCategory.Message, "Module_Resolution_Options_6174", "Module Resolution Options"),
+        Source_Map_Options: diag(6175, ts.DiagnosticCategory.Message, "Source_Map_Options_6175", "Source Map Options"),
+        Additional_Checks: diag(6176, ts.DiagnosticCategory.Message, "Additional_Checks_6176", "Additional Checks"),
+        Experimental_Options: diag(6177, ts.DiagnosticCategory.Message, "Experimental_Options_6177", "Experimental Options"),
+        Advanced_Options: diag(6178, ts.DiagnosticCategory.Message, "Advanced_Options_6178", "Advanced Options"),
+        Provide_full_support_for_iterables_in_for_of_spread_and_destructuring_when_targeting_ES5_or_ES3: diag(6179, ts.DiagnosticCategory.Message, "Provide_full_support_for_iterables_in_for_of_spread_and_destructuring_when_targeting_ES5_or_ES3_6179", "Provide full support for iterables in 'for-of', spread, and destructuring when targeting 'ES5' or 'ES3'."),
+        Enable_all_strict_type_checking_options: diag(6180, ts.DiagnosticCategory.Message, "Enable_all_strict_type_checking_options_6180", "Enable all strict type-checking options."),
+        List_of_language_service_plugins: diag(6181, ts.DiagnosticCategory.Message, "List_of_language_service_plugins_6181", "List of language service plugins."),
+        Scoped_package_detected_looking_in_0: diag(6182, ts.DiagnosticCategory.Message, "Scoped_package_detected_looking_in_0_6182", "Scoped package detected, looking in '{0}'"),
+        Reusing_resolution_of_module_0_to_file_1_from_old_program: diag(6183, ts.DiagnosticCategory.Message, "Reusing_resolution_of_module_0_to_file_1_from_old_program_6183", "Reusing resolution of module '{0}' to file '{1}' from old program."),
+        Reusing_module_resolutions_originating_in_0_since_resolutions_are_unchanged_from_old_program: diag(6184, ts.DiagnosticCategory.Message, "Reusing_module_resolutions_originating_in_0_since_resolutions_are_unchanged_from_old_program_6184", "Reusing module resolutions originating in '{0}' since resolutions are unchanged from old program."),
+        Disable_strict_checking_of_generic_signatures_in_function_types: diag(6185, ts.DiagnosticCategory.Message, "Disable_strict_checking_of_generic_signatures_in_function_types_6185", "Disable strict checking of generic signatures in function types."),
+        Variable_0_implicitly_has_an_1_type: diag(7005, ts.DiagnosticCategory.Error, "Variable_0_implicitly_has_an_1_type_7005", "Variable '{0}' implicitly has an '{1}' type."),
+        Parameter_0_implicitly_has_an_1_type: diag(7006, ts.DiagnosticCategory.Error, "Parameter_0_implicitly_has_an_1_type_7006", "Parameter '{0}' implicitly has an '{1}' type."),
+        Member_0_implicitly_has_an_1_type: diag(7008, ts.DiagnosticCategory.Error, "Member_0_implicitly_has_an_1_type_7008", "Member '{0}' implicitly has an '{1}' type."),
+        new_expression_whose_target_lacks_a_construct_signature_implicitly_has_an_any_type: diag(7009, ts.DiagnosticCategory.Error, "new_expression_whose_target_lacks_a_construct_signature_implicitly_has_an_any_type_7009", "'new' expression, whose target lacks a construct signature, implicitly has an 'any' type."),
+        _0_which_lacks_return_type_annotation_implicitly_has_an_1_return_type: diag(7010, ts.DiagnosticCategory.Error, "_0_which_lacks_return_type_annotation_implicitly_has_an_1_return_type_7010", "'{0}', which lacks return-type annotation, implicitly has an '{1}' return type."),
+        Function_expression_which_lacks_return_type_annotation_implicitly_has_an_0_return_type: diag(7011, ts.DiagnosticCategory.Error, "Function_expression_which_lacks_return_type_annotation_implicitly_has_an_0_return_type_7011", "Function expression, which lacks return-type annotation, implicitly has an '{0}' return type."),
+        Construct_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type: diag(7013, ts.DiagnosticCategory.Error, "Construct_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type_7013", "Construct signature, which lacks return-type annotation, implicitly has an 'any' return type."),
+        Element_implicitly_has_an_any_type_because_index_expression_is_not_of_type_number: diag(7015, ts.DiagnosticCategory.Error, "Element_implicitly_has_an_any_type_because_index_expression_is_not_of_type_number_7015", "Element implicitly has an 'any' type because index expression is not of type 'number'."),
+        Could_not_find_a_declaration_file_for_module_0_1_implicitly_has_an_any_type: diag(7016, ts.DiagnosticCategory.Error, "Could_not_find_a_declaration_file_for_module_0_1_implicitly_has_an_any_type_7016", "Could not find a declaration file for module '{0}'. '{1}' implicitly has an 'any' type."),
+        Element_implicitly_has_an_any_type_because_type_0_has_no_index_signature: diag(7017, ts.DiagnosticCategory.Error, "Element_implicitly_has_an_any_type_because_type_0_has_no_index_signature_7017", "Element implicitly has an 'any' type because type '{0}' has no index signature."),
+        Object_literal_s_property_0_implicitly_has_an_1_type: diag(7018, ts.DiagnosticCategory.Error, "Object_literal_s_property_0_implicitly_has_an_1_type_7018", "Object literal's property '{0}' implicitly has an '{1}' type."),
+        Rest_parameter_0_implicitly_has_an_any_type: diag(7019, ts.DiagnosticCategory.Error, "Rest_parameter_0_implicitly_has_an_any_type_7019", "Rest parameter '{0}' implicitly has an 'any[]' type."),
+        Call_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type: diag(7020, ts.DiagnosticCategory.Error, "Call_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type_7020", "Call signature, which lacks return-type annotation, implicitly has an 'any' return type."),
+        _0_implicitly_has_type_any_because_it_does_not_have_a_type_annotation_and_is_referenced_directly_or_indirectly_in_its_own_initializer: diag(7022, ts.DiagnosticCategory.Error, "_0_implicitly_has_type_any_because_it_does_not_have_a_type_annotation_and_is_referenced_directly_or__7022", "'{0}' implicitly has type 'any' because it does not have a type annotation and is referenced directly or indirectly in its own initializer."),
+        _0_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions: diag(7023, ts.DiagnosticCategory.Error, "_0_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_reference_7023", "'{0}' implicitly has return type 'any' because it does not have a return type annotation and is referenced directly or indirectly in one of its return expressions."),
+        Function_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions: diag(7024, ts.DiagnosticCategory.Error, "Function_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_ref_7024", "Function implicitly has return type 'any' because it does not have a return type annotation and is referenced directly or indirectly in one of its return expressions."),
+        Generator_implicitly_has_type_0_because_it_does_not_yield_any_values_Consider_supplying_a_return_type: diag(7025, ts.DiagnosticCategory.Error, "Generator_implicitly_has_type_0_because_it_does_not_yield_any_values_Consider_supplying_a_return_typ_7025", "Generator implicitly has type '{0}' because it does not yield any values. Consider supplying a return type."),
+        JSX_element_implicitly_has_type_any_because_no_interface_JSX_0_exists: diag(7026, ts.DiagnosticCategory.Error, "JSX_element_implicitly_has_type_any_because_no_interface_JSX_0_exists_7026", "JSX element implicitly has type 'any' because no interface 'JSX.{0}' exists."),
+        Unreachable_code_detected: diag(7027, ts.DiagnosticCategory.Error, "Unreachable_code_detected_7027", "Unreachable code detected."),
+        Unused_label: diag(7028, ts.DiagnosticCategory.Error, "Unused_label_7028", "Unused label."),
+        Fallthrough_case_in_switch: diag(7029, ts.DiagnosticCategory.Error, "Fallthrough_case_in_switch_7029", "Fallthrough case in switch."),
+        Not_all_code_paths_return_a_value: diag(7030, ts.DiagnosticCategory.Error, "Not_all_code_paths_return_a_value_7030", "Not all code paths return a value."),
+        Binding_element_0_implicitly_has_an_1_type: diag(7031, ts.DiagnosticCategory.Error, "Binding_element_0_implicitly_has_an_1_type_7031", "Binding element '{0}' implicitly has an '{1}' type."),
+        Property_0_implicitly_has_type_any_because_its_set_accessor_lacks_a_parameter_type_annotation: diag(7032, ts.DiagnosticCategory.Error, "Property_0_implicitly_has_type_any_because_its_set_accessor_lacks_a_parameter_type_annotation_7032", "Property '{0}' implicitly has type 'any', because its set accessor lacks a parameter type annotation."),
+        Property_0_implicitly_has_type_any_because_its_get_accessor_lacks_a_return_type_annotation: diag(7033, ts.DiagnosticCategory.Error, "Property_0_implicitly_has_type_any_because_its_get_accessor_lacks_a_return_type_annotation_7033", "Property '{0}' implicitly has type 'any', because its get accessor lacks a return type annotation."),
+        Variable_0_implicitly_has_type_1_in_some_locations_where_its_type_cannot_be_determined: diag(7034, ts.DiagnosticCategory.Error, "Variable_0_implicitly_has_type_1_in_some_locations_where_its_type_cannot_be_determined_7034", "Variable '{0}' implicitly has type '{1}' in some locations where its type cannot be determined."),
+        Try_npm_install_types_Slash_0_if_it_exists_or_add_a_new_declaration_d_ts_file_containing_declare_module_0: diag(7035, ts.DiagnosticCategory.Error, "Try_npm_install_types_Slash_0_if_it_exists_or_add_a_new_declaration_d_ts_file_containing_declare_mod_7035", "Try `npm install @types/{0}` if it exists or add a new declaration (.d.ts) file containing `declare module '{0}';`"),
+        Dynamic_import_s_specifier_must_be_of_type_string_but_here_has_type_0: diag(7036, ts.DiagnosticCategory.Error, "Dynamic_import_s_specifier_must_be_of_type_string_but_here_has_type_0_7036", "Dynamic import's specifier must be of type 'string', but here has type '{0}'."),
+        You_cannot_rename_this_element: diag(8000, ts.DiagnosticCategory.Error, "You_cannot_rename_this_element_8000", "You cannot rename this element."),
+        You_cannot_rename_elements_that_are_defined_in_the_standard_TypeScript_library: diag(8001, ts.DiagnosticCategory.Error, "You_cannot_rename_elements_that_are_defined_in_the_standard_TypeScript_library_8001", "You cannot rename elements that are defined in the standard TypeScript library."),
+        import_can_only_be_used_in_a_ts_file: diag(8002, ts.DiagnosticCategory.Error, "import_can_only_be_used_in_a_ts_file_8002", "'import ... =' can only be used in a .ts file."),
+        export_can_only_be_used_in_a_ts_file: diag(8003, ts.DiagnosticCategory.Error, "export_can_only_be_used_in_a_ts_file_8003", "'export=' can only be used in a .ts file."),
+        type_parameter_declarations_can_only_be_used_in_a_ts_file: diag(8004, ts.DiagnosticCategory.Error, "type_parameter_declarations_can_only_be_used_in_a_ts_file_8004", "'type parameter declarations' can only be used in a .ts file."),
+        implements_clauses_can_only_be_used_in_a_ts_file: diag(8005, ts.DiagnosticCategory.Error, "implements_clauses_can_only_be_used_in_a_ts_file_8005", "'implements clauses' can only be used in a .ts file."),
+        interface_declarations_can_only_be_used_in_a_ts_file: diag(8006, ts.DiagnosticCategory.Error, "interface_declarations_can_only_be_used_in_a_ts_file_8006", "'interface declarations' can only be used in a .ts file."),
+        module_declarations_can_only_be_used_in_a_ts_file: diag(8007, ts.DiagnosticCategory.Error, "module_declarations_can_only_be_used_in_a_ts_file_8007", "'module declarations' can only be used in a .ts file."),
+        type_aliases_can_only_be_used_in_a_ts_file: diag(8008, ts.DiagnosticCategory.Error, "type_aliases_can_only_be_used_in_a_ts_file_8008", "'type aliases' can only be used in a .ts file."),
+        _0_can_only_be_used_in_a_ts_file: diag(8009, ts.DiagnosticCategory.Error, "_0_can_only_be_used_in_a_ts_file_8009", "'{0}' can only be used in a .ts file."),
+        types_can_only_be_used_in_a_ts_file: diag(8010, ts.DiagnosticCategory.Error, "types_can_only_be_used_in_a_ts_file_8010", "'types' can only be used in a .ts file."),
+        type_arguments_can_only_be_used_in_a_ts_file: diag(8011, ts.DiagnosticCategory.Error, "type_arguments_can_only_be_used_in_a_ts_file_8011", "'type arguments' can only be used in a .ts file."),
+        parameter_modifiers_can_only_be_used_in_a_ts_file: diag(8012, ts.DiagnosticCategory.Error, "parameter_modifiers_can_only_be_used_in_a_ts_file_8012", "'parameter modifiers' can only be used in a .ts file."),
+        non_null_assertions_can_only_be_used_in_a_ts_file: diag(8013, ts.DiagnosticCategory.Error, "non_null_assertions_can_only_be_used_in_a_ts_file_8013", "'non-null assertions' can only be used in a .ts file."),
+        enum_declarations_can_only_be_used_in_a_ts_file: diag(8015, ts.DiagnosticCategory.Error, "enum_declarations_can_only_be_used_in_a_ts_file_8015", "'enum declarations' can only be used in a .ts file."),
+        type_assertion_expressions_can_only_be_used_in_a_ts_file: diag(8016, ts.DiagnosticCategory.Error, "type_assertion_expressions_can_only_be_used_in_a_ts_file_8016", "'type assertion expressions' can only be used in a .ts file."),
+        Octal_literal_types_must_use_ES2015_syntax_Use_the_syntax_0: diag(8017, ts.DiagnosticCategory.Error, "Octal_literal_types_must_use_ES2015_syntax_Use_the_syntax_0_8017", "Octal literal types must use ES2015 syntax. Use the syntax '{0}'."),
+        Octal_literals_are_not_allowed_in_enums_members_initializer_Use_the_syntax_0: diag(8018, ts.DiagnosticCategory.Error, "Octal_literals_are_not_allowed_in_enums_members_initializer_Use_the_syntax_0_8018", "Octal literals are not allowed in enums members initializer. Use the syntax '{0}'."),
+        Report_errors_in_js_files: diag(8019, ts.DiagnosticCategory.Message, "Report_errors_in_js_files_8019", "Report errors in .js files."),
+        JSDoc_types_can_only_be_used_inside_documentation_comments: diag(8020, ts.DiagnosticCategory.Error, "JSDoc_types_can_only_be_used_inside_documentation_comments_8020", "JSDoc types can only be used inside documentation comments."),
+        Only_identifiers_Slashqualified_names_with_optional_type_arguments_are_currently_supported_in_a_class_extends_clause: diag(9002, ts.DiagnosticCategory.Error, "Only_identifiers_Slashqualified_names_with_optional_type_arguments_are_currently_supported_in_a_clas_9002", "Only identifiers/qualified-names with optional type arguments are currently supported in a class 'extends' clause."),
+        class_expressions_are_not_currently_supported: diag(9003, ts.DiagnosticCategory.Error, "class_expressions_are_not_currently_supported_9003", "'class' expressions are not currently supported."),
+        Language_service_is_disabled: diag(9004, ts.DiagnosticCategory.Error, "Language_service_is_disabled_9004", "Language service is disabled."),
+        JSX_attributes_must_only_be_assigned_a_non_empty_expression: diag(17000, ts.DiagnosticCategory.Error, "JSX_attributes_must_only_be_assigned_a_non_empty_expression_17000", "JSX attributes must only be assigned a non-empty 'expression'."),
+        JSX_elements_cannot_have_multiple_attributes_with_the_same_name: diag(17001, ts.DiagnosticCategory.Error, "JSX_elements_cannot_have_multiple_attributes_with_the_same_name_17001", "JSX elements cannot have multiple attributes with the same name."),
+        Expected_corresponding_JSX_closing_tag_for_0: diag(17002, ts.DiagnosticCategory.Error, "Expected_corresponding_JSX_closing_tag_for_0_17002", "Expected corresponding JSX closing tag for '{0}'."),
+        JSX_attribute_expected: diag(17003, ts.DiagnosticCategory.Error, "JSX_attribute_expected_17003", "JSX attribute expected."),
+        Cannot_use_JSX_unless_the_jsx_flag_is_provided: diag(17004, ts.DiagnosticCategory.Error, "Cannot_use_JSX_unless_the_jsx_flag_is_provided_17004", "Cannot use JSX unless the '--jsx' flag is provided."),
+        A_constructor_cannot_contain_a_super_call_when_its_class_extends_null: diag(17005, ts.DiagnosticCategory.Error, "A_constructor_cannot_contain_a_super_call_when_its_class_extends_null_17005", "A constructor cannot contain a 'super' call when its class extends 'null'."),
+        An_unary_expression_with_the_0_operator_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_expression_Consider_enclosing_the_expression_in_parentheses: diag(17006, ts.DiagnosticCategory.Error, "An_unary_expression_with_the_0_operator_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_ex_17006", "An unary expression with the '{0}' operator is not allowed in the left-hand side of an exponentiation expression. Consider enclosing the expression in parentheses."),
+        A_type_assertion_expression_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_expression_Consider_enclosing_the_expression_in_parentheses: diag(17007, ts.DiagnosticCategory.Error, "A_type_assertion_expression_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_expression_Con_17007", "A type assertion expression is not allowed in the left-hand side of an exponentiation expression. Consider enclosing the expression in parentheses."),
+        JSX_element_0_has_no_corresponding_closing_tag: diag(17008, ts.DiagnosticCategory.Error, "JSX_element_0_has_no_corresponding_closing_tag_17008", "JSX element '{0}' has no corresponding closing tag."),
+        super_must_be_called_before_accessing_this_in_the_constructor_of_a_derived_class: diag(17009, ts.DiagnosticCategory.Error, "super_must_be_called_before_accessing_this_in_the_constructor_of_a_derived_class_17009", "'super' must be called before accessing 'this' in the constructor of a derived class."),
+        Unknown_type_acquisition_option_0: diag(17010, ts.DiagnosticCategory.Error, "Unknown_type_acquisition_option_0_17010", "Unknown type acquisition option '{0}'."),
+        super_must_be_called_before_accessing_a_property_of_super_in_the_constructor_of_a_derived_class: diag(17011, ts.DiagnosticCategory.Error, "super_must_be_called_before_accessing_a_property_of_super_in_the_constructor_of_a_derived_class_17011", "'super' must be called before accessing a property of 'super' in the constructor of a derived class."),
+        _0_is_not_a_valid_meta_property_for_keyword_1_Did_you_mean_2: diag(17012, ts.DiagnosticCategory.Error, "_0_is_not_a_valid_meta_property_for_keyword_1_Did_you_mean_2_17012", "'{0}' is not a valid meta-property for keyword '{1}'. Did you mean '{2}'?"),
+        Meta_property_0_is_only_allowed_in_the_body_of_a_function_declaration_function_expression_or_constructor: diag(17013, ts.DiagnosticCategory.Error, "Meta_property_0_is_only_allowed_in_the_body_of_a_function_declaration_function_expression_or_constru_17013", "Meta-property '{0}' is only allowed in the body of a function declaration, function expression, or constructor."),
+        Circularity_detected_while_resolving_configuration_Colon_0: diag(18000, ts.DiagnosticCategory.Error, "Circularity_detected_while_resolving_configuration_Colon_0_18000", "Circularity detected while resolving configuration: {0}"),
+        A_path_in_an_extends_option_must_be_relative_or_rooted_but_0_is_not: diag(18001, ts.DiagnosticCategory.Error, "A_path_in_an_extends_option_must_be_relative_or_rooted_but_0_is_not_18001", "A path in an 'extends' option must be relative or rooted, but '{0}' is not."),
+        The_files_list_in_config_file_0_is_empty: diag(18002, ts.DiagnosticCategory.Error, "The_files_list_in_config_file_0_is_empty_18002", "The 'files' list in config file '{0}' is empty."),
+        No_inputs_were_found_in_config_file_0_Specified_include_paths_were_1_and_exclude_paths_were_2: diag(18003, ts.DiagnosticCategory.Error, "No_inputs_were_found_in_config_file_0_Specified_include_paths_were_1_and_exclude_paths_were_2_18003", "No inputs were found in config file '{0}'. Specified 'include' paths were '{1}' and 'exclude' paths were '{2}'."),
+        Add_missing_super_call: diag(90001, ts.DiagnosticCategory.Message, "Add_missing_super_call_90001", "Add missing 'super()' call."),
+        Make_super_call_the_first_statement_in_the_constructor: diag(90002, ts.DiagnosticCategory.Message, "Make_super_call_the_first_statement_in_the_constructor_90002", "Make 'super()' call the first statement in the constructor."),
+        Change_extends_to_implements: diag(90003, ts.DiagnosticCategory.Message, "Change_extends_to_implements_90003", "Change 'extends' to 'implements'."),
+        Remove_declaration_for_Colon_0: diag(90004, ts.DiagnosticCategory.Message, "Remove_declaration_for_Colon_0_90004", "Remove declaration for: '{0}'."),
+        Implement_interface_0: diag(90006, ts.DiagnosticCategory.Message, "Implement_interface_0_90006", "Implement interface '{0}'."),
+        Implement_inherited_abstract_class: diag(90007, ts.DiagnosticCategory.Message, "Implement_inherited_abstract_class_90007", "Implement inherited abstract class."),
+        Add_this_to_unresolved_variable: diag(90008, ts.DiagnosticCategory.Message, "Add_this_to_unresolved_variable_90008", "Add 'this.' to unresolved variable."),
+        Adding_a_tsconfig_json_file_will_help_organize_projects_that_contain_both_TypeScript_and_JavaScript_files_Learn_more_at_https_Colon_Slash_Slashaka_ms_Slashtsconfig: diag(90009, ts.DiagnosticCategory.Error, "Adding_a_tsconfig_json_file_will_help_organize_projects_that_contain_both_TypeScript_and_JavaScript__90009", "Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig."),
+        Type_0_is_not_assignable_to_type_1_Two_different_types_with_this_name_exist_but_they_are_unrelated: diag(90010, ts.DiagnosticCategory.Error, "Type_0_is_not_assignable_to_type_1_Two_different_types_with_this_name_exist_but_they_are_unrelated_90010", "Type '{0}' is not assignable to type '{1}'. Two different types with this name exist, but they are unrelated."),
+        Import_0_from_1: diag(90013, ts.DiagnosticCategory.Message, "Import_0_from_1_90013", "Import {0} from {1}."),
+        Change_0_to_1: diag(90014, ts.DiagnosticCategory.Message, "Change_0_to_1_90014", "Change {0} to {1}."),
+        Add_0_to_existing_import_declaration_from_1: diag(90015, ts.DiagnosticCategory.Message, "Add_0_to_existing_import_declaration_from_1_90015", "Add {0} to existing import declaration from {1}."),
+        Declare_property_0: diag(90016, ts.DiagnosticCategory.Message, "Declare_property_0_90016", "Declare property '{0}'."),
+        Add_index_signature_for_property_0: diag(90017, ts.DiagnosticCategory.Message, "Add_index_signature_for_property_0_90017", "Add index signature for property '{0}'."),
+        Disable_checking_for_this_file: diag(90018, ts.DiagnosticCategory.Message, "Disable_checking_for_this_file_90018", "Disable checking for this file."),
+        Ignore_this_error_message: diag(90019, ts.DiagnosticCategory.Message, "Ignore_this_error_message_90019", "Ignore this error message."),
+        Initialize_property_0_in_the_constructor: diag(90020, ts.DiagnosticCategory.Message, "Initialize_property_0_in_the_constructor_90020", "Initialize property '{0}' in the constructor."),
+        Initialize_static_property_0: diag(90021, ts.DiagnosticCategory.Message, "Initialize_static_property_0_90021", "Initialize static property '{0}'."),
+        Change_spelling_to_0: diag(90022, ts.DiagnosticCategory.Message, "Change_spelling_to_0_90022", "Change spelling to '{0}'."),
+        Declare_method_0: diag(90023, ts.DiagnosticCategory.Message, "Declare_method_0_90023", "Declare method '{0}'."),
+        Declare_static_method_0: diag(90024, ts.DiagnosticCategory.Message, "Declare_static_method_0_90024", "Declare static method '{0}'."),
+        Prefix_0_with_an_underscore: diag(90025, ts.DiagnosticCategory.Message, "Prefix_0_with_an_underscore_90025", "Prefix '{0}' with an underscore."),
+        Rewrite_as_the_indexed_access_type_0: diag(90026, ts.DiagnosticCategory.Message, "Rewrite_as_the_indexed_access_type_0_90026", "Rewrite as the indexed access type '{0}'."),
+        Convert_function_to_an_ES2015_class: diag(95001, ts.DiagnosticCategory.Message, "Convert_function_to_an_ES2015_class_95001", "Convert function to an ES2015 class"),
+        Convert_function_0_to_class: diag(95002, ts.DiagnosticCategory.Message, "Convert_function_0_to_class_95002", "Convert function '{0}' to class"),
+        Extract_function: diag(95003, ts.DiagnosticCategory.Message, "Extract_function_95003", "Extract function"),
+        Extract_function_into_0: diag(95004, ts.DiagnosticCategory.Message, "Extract_function_into_0_95004", "Extract function into {0}"),
     };
-    var optionNameMapCache;
-    function convertEnableAutoDiscoveryToEnable(typeAcquisition) {
-        if (typeAcquisition && typeAcquisition.enableAutoDiscovery !== undefined && typeAcquisition.enable === undefined) {
-            var result = {
-                enable: typeAcquisition.enableAutoDiscovery,
-                include: typeAcquisition.include || [],
-                exclude: typeAcquisition.exclude || []
-            };
-            return result;
-        }
-        return typeAcquisition;
-    }
-    ts.convertEnableAutoDiscoveryToEnable = convertEnableAutoDiscoveryToEnable;
-    function getOptionNameMap() {
-        if (optionNameMapCache) {
-            return optionNameMapCache;
-        }
-        var optionNameMap = ts.createMap();
-        var shortOptionNames = ts.createMap();
-        ts.forEach(ts.optionDeclarations, function (option) {
-            optionNameMap.set(option.name.toLowerCase(), option);
-            if (option.shortName) {
-                shortOptionNames.set(option.shortName, option.name);
-            }
-        });
-        optionNameMapCache = { optionNameMap: optionNameMap, shortOptionNames: shortOptionNames };
-        return optionNameMapCache;
-    }
-    function createCompilerDiagnosticForInvalidCustomType(opt) {
-        var namesOfType = ts.arrayFrom(opt.type.keys()).map(function (key) { return "'" + key + "'"; }).join(", ");
-        return ts.createCompilerDiagnostic(ts.Diagnostics.Argument_for_0_option_must_be_Colon_1, "--" + opt.name, namesOfType);
-    }
-    ts.createCompilerDiagnosticForInvalidCustomType = createCompilerDiagnosticForInvalidCustomType;
-    function parseCustomTypeOption(opt, value, errors) {
-        return convertJsonOptionOfCustomType(opt, trimString(value || ""), errors);
-    }
-    ts.parseCustomTypeOption = parseCustomTypeOption;
-    function parseListTypeOption(opt, value, errors) {
-        if (value === void 0) { value = ""; }
-        value = trimString(value);
-        if (ts.startsWith(value, "-")) {
-            return undefined;
-        }
-        if (value === "") {
-            return [];
-        }
-        var values = value.split(",");
-        switch (opt.element.type) {
-            case "number":
-                return ts.map(values, parseInt);
-            case "string":
-                return ts.map(values, function (v) { return v || ""; });
-            default:
-                return ts.filter(ts.map(values, function (v) { return parseCustomTypeOption(opt.element, v, errors); }), function (v) { return !!v; });
-        }
-    }
-    ts.parseListTypeOption = parseListTypeOption;
-    function parseCommandLine(commandLine, readFile) {
-        var options = {};
-        var fileNames = [];
-        var errors = [];
-        parseStrings(commandLine);
-        return {
-            options: options,
-            fileNames: fileNames,
-            errors: errors
-        };
-        function parseStrings(args) {
-            var i = 0;
-            while (i < args.length) {
-                var s = args[i];
-                i++;
-                if (s.charCodeAt(0) === 64) {
-                    parseResponseFile(s.slice(1));
-                }
-                else if (s.charCodeAt(0) === 45) {
-                    var opt = getOptionFromName(s.slice(s.charCodeAt(1) === 45 ? 2 : 1), true);
-                    if (opt) {
-                        if (opt.isTSConfigOnly) {
-                            errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_can_only_be_specified_in_tsconfig_json_file, opt.name));
-                        }
-                        else {
-                            if (!args[i] && opt.type !== "boolean") {
-                                errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Compiler_option_0_expects_an_argument, opt.name));
-                            }
-                            switch (opt.type) {
-                                case "number":
-                                    options[opt.name] = parseInt(args[i]);
-                                    i++;
-                                    break;
-                                case "boolean":
-                                    var optValue = args[i];
-                                    options[opt.name] = optValue !== "false";
-                                    if (optValue === "false" || optValue === "true") {
-                                        i++;
-                                    }
-                                    break;
-                                case "string":
-                                    options[opt.name] = args[i] || "";
-                                    i++;
-                                    break;
-                                case "list":
-                                    var result = parseListTypeOption(opt, args[i], errors);
-                                    options[opt.name] = result || [];
-                                    if (result) {
-                                        i++;
-                                    }
-                                    break;
-                                default:
-                                    options[opt.name] = parseCustomTypeOption(opt, args[i], errors);
-                                    i++;
-                                    break;
-                            }
-                        }
-                    }
-                    else {
-                        errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Unknown_compiler_option_0, s));
-                    }
-                }
-                else {
-                    fileNames.push(s);
-                }
-            }
-        }
-        function parseResponseFile(fileName) {
-            var text = readFile ? readFile(fileName) : ts.sys.readFile(fileName);
-            if (!text) {
-                errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.File_0_not_found, fileName));
-                return;
-            }
-            var args = [];
-            var pos = 0;
-            while (true) {
-                while (pos < text.length && text.charCodeAt(pos) <= 32)
-                    pos++;
-                if (pos >= text.length)
-                    break;
-                var start = pos;
-                if (text.charCodeAt(start) === 34) {
-                    pos++;
-                    while (pos < text.length && text.charCodeAt(pos) !== 34)
-                        pos++;
-                    if (pos < text.length) {
-                        args.push(text.substring(start + 1, pos));
-                        pos++;
-                    }
-                    else {
-                        errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Unterminated_quoted_string_in_response_file_0, fileName));
-                    }
-                }
-                else {
-                    while (text.charCodeAt(pos) > 32)
-                        pos++;
-                    args.push(text.substring(start, pos));
-                }
-            }
-            parseStrings(args);
-        }
-    }
-    ts.parseCommandLine = parseCommandLine;
-    function getOptionFromName(optionName, allowShort) {
-        if (allowShort === void 0) { allowShort = false; }
-        optionName = optionName.toLowerCase();
-        var _a = getOptionNameMap(), optionNameMap = _a.optionNameMap, shortOptionNames = _a.shortOptionNames;
-        if (allowShort) {
-            var short = shortOptionNames.get(optionName);
-            if (short !== undefined) {
-                optionName = short;
-            }
-        }
-        return optionNameMap.get(optionName);
-    }
-    function readConfigFile(fileName, readFile) {
-        var text = "";
-        try {
-            text = readFile(fileName);
-        }
-        catch (e) {
-            return { error: ts.createCompilerDiagnostic(ts.Diagnostics.Cannot_read_file_0_Colon_1, fileName, e.message) };
-        }
-        return parseConfigFileTextToJson(fileName, text);
-    }
-    ts.readConfigFile = readConfigFile;
-    function parseConfigFileTextToJson(fileName, jsonText, stripComments) {
-        if (stripComments === void 0) { stripComments = true; }
-        try {
-            var jsonTextToParse = stripComments ? removeComments(jsonText) : jsonText;
-            return { config: /\S/.test(jsonTextToParse) ? JSON.parse(jsonTextToParse) : {} };
-        }
-        catch (e) {
-            return { error: ts.createCompilerDiagnostic(ts.Diagnostics.Failed_to_parse_file_0_Colon_1, fileName, e.message) };
-        }
-    }
-    ts.parseConfigFileTextToJson = parseConfigFileTextToJson;
-    function generateTSConfig(options, fileNames, newLine) {
-        var compilerOptions = ts.extend(options, ts.defaultInitCompilerOptions);
-        var configurations = {
-            compilerOptions: serializeCompilerOptions(compilerOptions)
-        };
-        if (fileNames && fileNames.length) {
-            configurations.files = fileNames;
-        }
-        return writeConfigurations();
-        function getCustomTypeMapOfCommandLineOption(optionDefinition) {
-            if (optionDefinition.type === "string" || optionDefinition.type === "number" || optionDefinition.type === "boolean") {
-                return undefined;
-            }
-            else if (optionDefinition.type === "list") {
-                return getCustomTypeMapOfCommandLineOption(optionDefinition.element);
-            }
-            else {
-                return optionDefinition.type;
-            }
-        }
-        function getNameOfCompilerOptionValue(value, customTypeMap) {
-            return ts.forEachEntry(customTypeMap, function (mapValue, key) {
-                if (mapValue === value) {
-                    return key;
-                }
-            });
-        }
-        function serializeCompilerOptions(options) {
-            var result = {};
-            var optionsNameMap = getOptionNameMap().optionNameMap;
-            for (var name in options) {
-                if (ts.hasProperty(options, name)) {
-                    if (optionsNameMap.has(name) && optionsNameMap.get(name).category === ts.Diagnostics.Command_line_Options) {
-                        continue;
-                    }
-                    var value = options[name];
-                    var optionDefinition = optionsNameMap.get(name.toLowerCase());
-                    if (optionDefinition) {
-                        var customTypeMap = getCustomTypeMapOfCommandLineOption(optionDefinition);
-                        if (!customTypeMap) {
-                            result[name] = value;
-                        }
-                        else {
-                            if (optionDefinition.type === "list") {
-                                var convertedValue = [];
-                                for (var _i = 0, _a = value; _i < _a.length; _i++) {
-                                    var element = _a[_i];
-                                    convertedValue.push(getNameOfCompilerOptionValue(element, customTypeMap));
-                                }
-                                result[name] = convertedValue;
-                            }
-                            else {
-                                result[name] = getNameOfCompilerOptionValue(value, customTypeMap);
-                            }
-                        }
-                    }
-                }
-            }
-            return result;
-        }
-        function getDefaultValueForOption(option) {
-            switch (option.type) {
-                case "number":
-                    return 1;
-                case "boolean":
-                    return true;
-                case "string":
-                    return option.isFilePath ? "./" : "";
-                case "list":
-                    return [];
-                case "object":
-                    return {};
-                default:
-                    return ts.arrayFrom(option.type.keys())[0];
-            }
-        }
-        function makePadding(paddingLength) {
-            return Array(paddingLength + 1).join(" ");
-        }
-        function writeConfigurations() {
-            var categorizedOptions = ts.reduceLeft(ts.filter(ts.optionDeclarations, function (o) { return o.category !== ts.Diagnostics.Command_line_Options && o.category !== ts.Diagnostics.Advanced_Options; }), function (memo, value) {
-                if (value.category) {
-                    var name = ts.getLocaleSpecificMessage(value.category);
-                    (memo[name] || (memo[name] = [])).push(value);
-                }
-                return memo;
-            }, {});
-            var marginLength = 0;
-            var seenKnownKeys = 0;
-            var nameColumn = [];
-            var descriptionColumn = [];
-            var knownKeysCount = ts.getOwnKeys(configurations.compilerOptions).length;
-            for (var category in categorizedOptions) {
-                if (nameColumn.length !== 0) {
-                    nameColumn.push("");
-                    descriptionColumn.push("");
-                }
-                nameColumn.push("/* " + category + " */");
-                descriptionColumn.push("");
-                for (var _i = 0, _a = categorizedOptions[category]; _i < _a.length; _i++) {
-                    var option = _a[_i];
-                    var optionName = void 0;
-                    if (ts.hasProperty(configurations.compilerOptions, option.name)) {
-                        optionName = "\"" + option.name + "\": " + JSON.stringify(configurations.compilerOptions[option.name]) + ((seenKnownKeys += 1) === knownKeysCount ? "" : ",");
-                    }
-                    else {
-                        optionName = "// \"" + option.name + "\": " + JSON.stringify(getDefaultValueForOption(option)) + ",";
-                    }
-                    nameColumn.push(optionName);
-                    descriptionColumn.push("/* " + (option.description && ts.getLocaleSpecificMessage(option.description) || option.name) + " */");
-                    marginLength = Math.max(optionName.length, marginLength);
-                }
-            }
-            var tab = makePadding(2);
-            var result = [];
-            result.push("{");
-            result.push(tab + "\"compilerOptions\": {");
-            for (var i = 0; i < nameColumn.length; i++) {
-                var optionName = nameColumn[i];
-                var description = descriptionColumn[i];
-                result.push(optionName && "" + tab + tab + optionName + (description && (makePadding(marginLength - optionName.length + 2) + description)));
-            }
-            if (configurations.files && configurations.files.length) {
-                result.push(tab + "},");
-                result.push(tab + "\"files\": [");
-                for (var i = 0; i < configurations.files.length; i++) {
-                    result.push("" + tab + tab + JSON.stringify(configurations.files[i]) + (i === configurations.files.length - 1 ? "" : ","));
-                }
-                result.push(tab + "]");
-            }
-            else {
-                result.push(tab + "}");
-            }
-            result.push("}");
-            return result.join(newLine);
-        }
-    }
-    ts.generateTSConfig = generateTSConfig;
-    function removeComments(jsonText) {
-        var output = "";
-        var scanner = ts.createScanner(1, false, 0, jsonText);
-        var token;
-        while ((token = scanner.scan()) !== 1) {
-            switch (token) {
-                case 2:
-                case 3:
-                    output += scanner.getTokenText().replace(/\S/g, " ");
-                    break;
-                default:
-                    output += scanner.getTokenText();
-                    break;
-            }
-        }
-        return output;
-    }
-    function parseJsonConfigFileContent(json, host, basePath, existingOptions, configFileName, resolutionStack, extraFileExtensions) {
-        if (existingOptions === void 0) { existingOptions = {}; }
-        if (resolutionStack === void 0) { resolutionStack = []; }
-        if (extraFileExtensions === void 0) { extraFileExtensions = []; }
-        var errors = [];
-        var options = (function () {
-            var _a = parseConfig(json, host, basePath, configFileName, resolutionStack, errors), include = _a.include, exclude = _a.exclude, files = _a.files, options = _a.options, compileOnSave = _a.compileOnSave;
-            if (include) {
-                json.include = include;
-            }
-            if (exclude) {
-                json.exclude = exclude;
-            }
-            if (files) {
-                json.files = files;
-            }
-            if (compileOnSave !== undefined) {
-                json.compileOnSave = compileOnSave;
-            }
-            return options;
-        })();
-        options = ts.extend(existingOptions, options);
-        options.configFilePath = configFileName;
-        var jsonOptions = json["typeAcquisition"] || json["typingOptions"];
-        var typeAcquisition = convertTypeAcquisitionFromJsonWorker(jsonOptions, basePath, errors, configFileName);
-        var _a = getFileNames(), fileNames = _a.fileNames, wildcardDirectories = _a.wildcardDirectories;
-        var compileOnSave = convertCompileOnSaveOptionFromJson(json, basePath, errors);
-        return {
-            options: options,
-            fileNames: fileNames,
-            typeAcquisition: typeAcquisition,
-            raw: json,
-            errors: errors,
-            wildcardDirectories: wildcardDirectories,
-            compileOnSave: compileOnSave
-        };
-        function getFileNames() {
-            var fileNames;
-            if (ts.hasProperty(json, "files")) {
-                if (ts.isArray(json["files"])) {
-                    fileNames = json["files"];
-                    if (fileNames.length === 0) {
-                        errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.The_files_list_in_config_file_0_is_empty, configFileName || "tsconfig.json"));
-                    }
-                }
-                else {
-                    errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Compiler_option_0_requires_a_value_of_type_1, "files", "Array"));
-                }
-            }
-            var includeSpecs;
-            if (ts.hasProperty(json, "include")) {
-                if (ts.isArray(json["include"])) {
-                    includeSpecs = json["include"];
-                }
-                else {
-                    errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Compiler_option_0_requires_a_value_of_type_1, "include", "Array"));
-                }
-            }
-            var excludeSpecs;
-            if (ts.hasProperty(json, "exclude")) {
-                if (ts.isArray(json["exclude"])) {
-                    excludeSpecs = json["exclude"];
-                }
-                else {
-                    errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Compiler_option_0_requires_a_value_of_type_1, "exclude", "Array"));
-                }
-            }
-            else {
-                excludeSpecs = includeSpecs ? [] : ["node_modules", "bower_components", "jspm_packages"];
-                var outDir = json["compilerOptions"] && json["compilerOptions"]["outDir"];
-                if (outDir) {
-                    excludeSpecs.push(outDir);
-                }
-            }
-            if (fileNames === undefined && includeSpecs === undefined) {
-                includeSpecs = ["**/*"];
-            }
-            var result = matchFileNames(fileNames, includeSpecs, excludeSpecs, basePath, options, host, errors, extraFileExtensions);
-            if (result.fileNames.length === 0 && !ts.hasProperty(json, "files") && resolutionStack.length === 0) {
-                errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.No_inputs_were_found_in_config_file_0_Specified_include_paths_were_1_and_exclude_paths_were_2, configFileName || "tsconfig.json", JSON.stringify(includeSpecs || []), JSON.stringify(excludeSpecs || [])));
-            }
-            return result;
-        }
-    }
-    ts.parseJsonConfigFileContent = parseJsonConfigFileContent;
-    function parseConfig(json, host, basePath, configFileName, resolutionStack, errors) {
-        basePath = ts.normalizeSlashes(basePath);
-        var getCanonicalFileName = ts.createGetCanonicalFileName(host.useCaseSensitiveFileNames);
-        var resolvedPath = ts.toPath(configFileName || "", basePath, getCanonicalFileName);
-        if (resolutionStack.indexOf(resolvedPath) >= 0) {
-            errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Circularity_detected_while_resolving_configuration_Colon_0, resolutionStack.concat([resolvedPath]).join(" -> ")));
-            return { include: undefined, exclude: undefined, files: undefined, options: {}, compileOnSave: undefined };
-        }
-        if (ts.hasProperty(json, "excludes")) {
-            errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Unknown_option_excludes_Did_you_mean_exclude));
-        }
-        var options = convertCompilerOptionsFromJsonWorker(json.compilerOptions, basePath, errors, configFileName);
-        var include = json.include, exclude = json.exclude, files = json.files;
-        var compileOnSave = json.compileOnSave;
-        if (json.extends) {
-            resolutionStack = resolutionStack.concat([resolvedPath]);
-            var base = getExtendedConfig(json.extends, host, basePath, getCanonicalFileName, resolutionStack, errors);
-            if (base) {
-                include = include || base.include;
-                exclude = exclude || base.exclude;
-                files = files || base.files;
-                if (compileOnSave === undefined) {
-                    compileOnSave = base.compileOnSave;
-                }
-                options = ts.assign({}, base.options, options);
-            }
-        }
-        return { include: include, exclude: exclude, files: files, options: options, compileOnSave: compileOnSave };
-    }
-    function getExtendedConfig(extended, host, basePath, getCanonicalFileName, resolutionStack, errors) {
-        if (typeof extended !== "string") {
-            errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Compiler_option_0_requires_a_value_of_type_1, "extends", "string"));
-            return undefined;
-        }
-        extended = ts.normalizeSlashes(extended);
-        if (!(ts.isRootedDiskPath(extended) || ts.startsWith(extended, "./") || ts.startsWith(extended, "../"))) {
-            errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.A_path_in_an_extends_option_must_be_relative_or_rooted_but_0_is_not, extended));
-            return undefined;
-        }
-        var extendedConfigPath = ts.toPath(extended, basePath, getCanonicalFileName);
-        if (!host.fileExists(extendedConfigPath) && !ts.endsWith(extendedConfigPath, ".json")) {
-            extendedConfigPath = extendedConfigPath + ".json";
-            if (!host.fileExists(extendedConfigPath)) {
-                errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.File_0_does_not_exist, extended));
-                return undefined;
-            }
-        }
-        var extendedResult = readConfigFile(extendedConfigPath, function (path) { return host.readFile(path); });
-        if (extendedResult.error) {
-            errors.push(extendedResult.error);
-            return undefined;
-        }
-        var extendedDirname = ts.getDirectoryPath(extendedConfigPath);
-        var relativeDifference = ts.convertToRelativePath(extendedDirname, basePath, getCanonicalFileName);
-        var updatePath = function (path) { return ts.isRootedDiskPath(path) ? path : ts.combinePaths(relativeDifference, path); };
-        var _a = parseConfig(extendedResult.config, host, extendedDirname, ts.getBaseFileName(extendedConfigPath), resolutionStack, errors), include = _a.include, exclude = _a.exclude, files = _a.files, options = _a.options, compileOnSave = _a.compileOnSave;
-        return { include: ts.map(include, updatePath), exclude: ts.map(exclude, updatePath), files: ts.map(files, updatePath), compileOnSave: compileOnSave, options: options };
-    }
-    function convertCompileOnSaveOptionFromJson(jsonOption, basePath, errors) {
-        if (!ts.hasProperty(jsonOption, ts.compileOnSaveCommandLineOption.name)) {
-            return false;
-        }
-        var result = convertJsonOption(ts.compileOnSaveCommandLineOption, jsonOption["compileOnSave"], basePath, errors);
-        if (typeof result === "boolean" && result) {
-            return result;
-        }
-        return false;
-    }
-    ts.convertCompileOnSaveOptionFromJson = convertCompileOnSaveOptionFromJson;
-    function convertCompilerOptionsFromJson(jsonOptions, basePath, configFileName) {
-        var errors = [];
-        var options = convertCompilerOptionsFromJsonWorker(jsonOptions, basePath, errors, configFileName);
-        return { options: options, errors: errors };
-    }
-    ts.convertCompilerOptionsFromJson = convertCompilerOptionsFromJson;
-    function convertTypeAcquisitionFromJson(jsonOptions, basePath, configFileName) {
-        var errors = [];
-        var options = convertTypeAcquisitionFromJsonWorker(jsonOptions, basePath, errors, configFileName);
-        return { options: options, errors: errors };
-    }
-    ts.convertTypeAcquisitionFromJson = convertTypeAcquisitionFromJson;
-    function convertCompilerOptionsFromJsonWorker(jsonOptions, basePath, errors, configFileName) {
-        var options = ts.getBaseFileName(configFileName) === "jsconfig.json"
-            ? { allowJs: true, maxNodeModuleJsDepth: 2, allowSyntheticDefaultImports: true, skipLibCheck: true }
-            : {};
-        convertOptionsFromJson(ts.optionDeclarations, jsonOptions, basePath, options, ts.Diagnostics.Unknown_compiler_option_0, errors);
-        return options;
-    }
-    function convertTypeAcquisitionFromJsonWorker(jsonOptions, basePath, errors, configFileName) {
-        var options = { enable: ts.getBaseFileName(configFileName) === "jsconfig.json", include: [], exclude: [] };
-        var typeAcquisition = convertEnableAutoDiscoveryToEnable(jsonOptions);
-        convertOptionsFromJson(ts.typeAcquisitionDeclarations, typeAcquisition, basePath, options, ts.Diagnostics.Unknown_type_acquisition_option_0, errors);
-        return options;
-    }
-    function convertOptionsFromJson(optionDeclarations, jsonOptions, basePath, defaultOptions, diagnosticMessage, errors) {
-        if (!jsonOptions) {
-            return;
-        }
-        var optionNameMap = ts.arrayToMap(optionDeclarations, function (opt) { return opt.name; });
-        for (var id in jsonOptions) {
-            var opt = optionNameMap.get(id);
-            if (opt) {
-                defaultOptions[opt.name] = convertJsonOption(opt, jsonOptions[id], basePath, errors);
-            }
-            else {
-                errors.push(ts.createCompilerDiagnostic(diagnosticMessage, id));
-            }
-        }
-    }
-    function convertJsonOption(opt, value, basePath, errors) {
-        var optType = opt.type;
-        var expectedType = typeof optType === "string" ? optType : "string";
-        if (optType === "list" && ts.isArray(value)) {
-            return convertJsonOptionOfListType(opt, value, basePath, errors);
-        }
-        else if (typeof value === expectedType) {
-            if (typeof optType !== "string") {
-                return convertJsonOptionOfCustomType(opt, value, errors);
-            }
-            else {
-                if (opt.isFilePath) {
-                    value = ts.normalizePath(ts.combinePaths(basePath, value));
-                    if (value === "") {
-                        value = ".";
-                    }
-                }
-            }
-            return value;
-        }
-        else {
-            errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Compiler_option_0_requires_a_value_of_type_1, opt.name, expectedType));
-        }
-    }
-    function convertJsonOptionOfCustomType(opt, value, errors) {
-        var key = value.toLowerCase();
-        var val = opt.type.get(key);
-        if (val !== undefined) {
-            return val;
-        }
-        else {
-            errors.push(createCompilerDiagnosticForInvalidCustomType(opt));
-        }
-    }
-    function convertJsonOptionOfListType(option, values, basePath, errors) {
-        return ts.filter(ts.map(values, function (v) { return convertJsonOption(option.element, v, basePath, errors); }), function (v) { return !!v; });
-    }
-    function trimString(s) {
-        return typeof s.trim === "function" ? s.trim() : s.replace(/^[\s]+|[\s]+$/g, "");
-    }
-    var invalidTrailingRecursionPattern = /(^|\/)\*\*\/?$/;
-    var invalidMultipleRecursionPatterns = /(^|\/)\*\*\/(.*\/)?\*\*($|\/)/;
-    var invalidDotDotAfterRecursiveWildcardPattern = /(^|\/)\*\*\/(.*\/)?\.\.($|\/)/;
-    var watchRecursivePattern = /\/[^/]*?[*?][^/]*\//;
-    var wildcardDirectoryPattern = /^[^*?]*(?=\/[^/]*[*?])/;
-    function matchFileNames(fileNames, include, exclude, basePath, options, host, errors, extraFileExtensions) {
-        basePath = ts.normalizePath(basePath);
-        var keyMapper = host.useCaseSensitiveFileNames ? caseSensitiveKeyMapper : caseInsensitiveKeyMapper;
-        var literalFileMap = ts.createMap();
-        var wildcardFileMap = ts.createMap();
-        if (include) {
-            include = validateSpecs(include, errors, false);
-        }
-        if (exclude) {
-            exclude = validateSpecs(exclude, errors, true);
-        }
-        var wildcardDirectories = getWildcardDirectories(include, exclude, basePath, host.useCaseSensitiveFileNames);
-        var supportedExtensions = ts.getSupportedExtensions(options, extraFileExtensions);
-        if (fileNames) {
-            for (var _i = 0, fileNames_1 = fileNames; _i < fileNames_1.length; _i++) {
-                var fileName = fileNames_1[_i];
-                var file = ts.combinePaths(basePath, fileName);
-                literalFileMap.set(keyMapper(file), file);
-            }
-        }
-        if (include && include.length > 0) {
-            for (var _a = 0, _b = host.readDirectory(basePath, supportedExtensions, exclude, include); _a < _b.length; _a++) {
-                var file = _b[_a];
-                if (hasFileWithHigherPriorityExtension(file, literalFileMap, wildcardFileMap, supportedExtensions, keyMapper)) {
-                    continue;
-                }
-                removeWildcardFilesWithLowerPriorityExtension(file, wildcardFileMap, supportedExtensions, keyMapper);
-                var key = keyMapper(file);
-                if (!literalFileMap.has(key) && !wildcardFileMap.has(key)) {
-                    wildcardFileMap.set(key, file);
-                }
-            }
-        }
-        var literalFiles = ts.arrayFrom(literalFileMap.values());
-        var wildcardFiles = ts.arrayFrom(wildcardFileMap.values());
-        return {
-            fileNames: literalFiles.concat(wildcardFiles),
-            wildcardDirectories: wildcardDirectories
-        };
-    }
-    function validateSpecs(specs, errors, allowTrailingRecursion) {
-        var validSpecs = [];
-        for (var _i = 0, specs_1 = specs; _i < specs_1.length; _i++) {
-            var spec = specs_1[_i];
-            if (!allowTrailingRecursion && invalidTrailingRecursionPattern.test(spec)) {
-                errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.File_specification_cannot_end_in_a_recursive_directory_wildcard_Asterisk_Asterisk_Colon_0, spec));
-            }
-            else if (invalidMultipleRecursionPatterns.test(spec)) {
-                errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.File_specification_cannot_contain_multiple_recursive_directory_wildcards_Asterisk_Asterisk_Colon_0, spec));
-            }
-            else if (invalidDotDotAfterRecursiveWildcardPattern.test(spec)) {
-                errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.File_specification_cannot_contain_a_parent_directory_that_appears_after_a_recursive_directory_wildcard_Asterisk_Asterisk_Colon_0, spec));
-            }
-            else {
-                validSpecs.push(spec);
-            }
-        }
-        return validSpecs;
-    }
-    function getWildcardDirectories(include, exclude, path, useCaseSensitiveFileNames) {
-        var rawExcludeRegex = ts.getRegularExpressionForWildcard(exclude, path, "exclude");
-        var excludeRegex = rawExcludeRegex && new RegExp(rawExcludeRegex, useCaseSensitiveFileNames ? "" : "i");
-        var wildcardDirectories = {};
-        if (include !== undefined) {
-            var recursiveKeys = [];
-            for (var _i = 0, include_1 = include; _i < include_1.length; _i++) {
-                var file = include_1[_i];
-                var spec = ts.normalizePath(ts.combinePaths(path, file));
-                if (excludeRegex && excludeRegex.test(spec)) {
-                    continue;
-                }
-                var match = getWildcardDirectoryFromSpec(spec, useCaseSensitiveFileNames);
-                if (match) {
-                    var key = match.key, flags = match.flags;
-                    var existingFlags = wildcardDirectories[key];
-                    if (existingFlags === undefined || existingFlags < flags) {
-                        wildcardDirectories[key] = flags;
-                        if (flags === 1) {
-                            recursiveKeys.push(key);
-                        }
-                    }
-                }
-            }
-            for (var key in wildcardDirectories) {
-                if (ts.hasProperty(wildcardDirectories, key)) {
-                    for (var _a = 0, recursiveKeys_1 = recursiveKeys; _a < recursiveKeys_1.length; _a++) {
-                        var recursiveKey = recursiveKeys_1[_a];
-                        if (key !== recursiveKey && ts.containsPath(recursiveKey, key, path, !useCaseSensitiveFileNames)) {
-                            delete wildcardDirectories[key];
-                        }
-                    }
-                }
-            }
-        }
-        return wildcardDirectories;
-    }
-    function getWildcardDirectoryFromSpec(spec, useCaseSensitiveFileNames) {
-        var match = wildcardDirectoryPattern.exec(spec);
-        if (match) {
-            return {
-                key: useCaseSensitiveFileNames ? match[0] : match[0].toLowerCase(),
-                flags: watchRecursivePattern.test(spec) ? 1 : 0
-            };
-        }
-        if (ts.isImplicitGlob(spec)) {
-            return { key: spec, flags: 1 };
-        }
-        return undefined;
-    }
-    function hasFileWithHigherPriorityExtension(file, literalFiles, wildcardFiles, extensions, keyMapper) {
-        var extensionPriority = ts.getExtensionPriority(file, extensions);
-        var adjustedExtensionPriority = ts.adjustExtensionPriority(extensionPriority, extensions);
-        for (var i = 0; i < adjustedExtensionPriority; i++) {
-            var higherPriorityExtension = extensions[i];
-            var higherPriorityPath = keyMapper(ts.changeExtension(file, higherPriorityExtension));
-            if (literalFiles.has(higherPriorityPath) || wildcardFiles.has(higherPriorityPath)) {
-                return true;
-            }
-        }
-        return false;
-    }
-    function removeWildcardFilesWithLowerPriorityExtension(file, wildcardFiles, extensions, keyMapper) {
-        var extensionPriority = ts.getExtensionPriority(file, extensions);
-        var nextExtensionPriority = ts.getNextLowestExtensionPriority(extensionPriority, extensions);
-        for (var i = nextExtensionPriority; i < extensions.length; i++) {
-            var lowerPriorityExtension = extensions[i];
-            var lowerPriorityPath = keyMapper(ts.changeExtension(file, lowerPriorityExtension));
-            wildcardFiles.delete(lowerPriorityPath);
-        }
-    }
-    function caseSensitiveKeyMapper(key) {
-        return key;
-    }
-    function caseInsensitiveKeyMapper(key) {
-        return key.toLowerCase();
-    }
-    function convertCompilerOptionsForTelemetry(opts) {
-        var out = {};
-        for (var key in opts) {
-            if (opts.hasOwnProperty(key)) {
-                var type = getOptionFromName(key);
-                if (type !== undefined) {
-                    out[key] = getOptionValueWithEmptyStrings(opts[key], type);
-                }
-            }
-        }
-        return out;
-    }
-    ts.convertCompilerOptionsForTelemetry = convertCompilerOptionsForTelemetry;
-    function getOptionValueWithEmptyStrings(value, option) {
-        switch (option.type) {
-            case "object":
-                return "";
-            case "string":
-                return "";
-            case "number":
-                return typeof value === "number" ? value : "";
-            case "boolean":
-                return typeof value === "boolean" ? value : "";
-            case "list":
-                var elementType_1 = option.element;
-                return ts.isArray(value) ? value.map(function (v) { return getOptionValueWithEmptyStrings(v, elementType_1); }) : "";
-            default:
-                return ts.forEachEntry(option.type, function (optionEnumValue, optionStringValue) {
-                    if (optionEnumValue === value) {
-                        return optionStringValue;
-                    }
-                });
-        }
-    }
-})(ts || (ts = {}));
-var ts;
-(function (ts) {
-    function trace(host) {
-        host.trace(ts.formatMessage.apply(undefined, arguments));
-    }
-    ts.trace = trace;
-    function isTraceEnabled(compilerOptions, host) {
-        return compilerOptions.traceResolution && host.trace !== undefined;
-    }
-    ts.isTraceEnabled = isTraceEnabled;
-    var Extensions;
-    (function (Extensions) {
-        Extensions[Extensions["TypeScript"] = 0] = "TypeScript";
-        Extensions[Extensions["JavaScript"] = 1] = "JavaScript";
-        Extensions[Extensions["DtsOnly"] = 2] = "DtsOnly";
-    })(Extensions || (Extensions = {}));
-    function resolvedTypeScriptOnly(resolved) {
-        if (!resolved) {
-            return undefined;
-        }
-        ts.Debug.assert(ts.extensionIsTypeScript(resolved.extension));
-        return resolved.path;
-    }
-    function createResolvedModuleWithFailedLookupLocations(resolved, isExternalLibraryImport, failedLookupLocations) {
-        return {
-            resolvedModule: resolved && { resolvedFileName: resolved.path, extension: resolved.extension, isExternalLibraryImport: isExternalLibraryImport },
-            failedLookupLocations: failedLookupLocations
-        };
-    }
-    function moduleHasNonRelativeName(moduleName) {
-        return !(ts.isRootedDiskPath(moduleName) || ts.isExternalModuleNameRelative(moduleName));
-    }
-    ts.moduleHasNonRelativeName = moduleHasNonRelativeName;
-    function tryReadPackageJsonFields(readTypes, packageJsonPath, baseDirectory, state) {
-        var jsonContent = readJson(packageJsonPath, state.host);
-        return readTypes ? tryReadFromField("typings") || tryReadFromField("types") : tryReadFromField("main");
-        function tryReadFromField(fieldName) {
-            if (!ts.hasProperty(jsonContent, fieldName)) {
-                if (state.traceEnabled) {
-                    trace(state.host, ts.Diagnostics.package_json_does_not_have_a_0_field, fieldName);
-                }
-                return;
-            }
-            var fileName = jsonContent[fieldName];
-            if (typeof fileName !== "string") {
-                if (state.traceEnabled) {
-                    trace(state.host, ts.Diagnostics.Expected_type_of_0_field_in_package_json_to_be_string_got_1, fieldName, typeof fileName);
-                }
-                return;
-            }
-            var path = ts.normalizePath(ts.combinePaths(baseDirectory, fileName));
-            if (state.traceEnabled) {
-                trace(state.host, ts.Diagnostics.package_json_has_0_field_1_that_references_2, fieldName, fileName, path);
-            }
-            return path;
-        }
-    }
-    function readJson(path, host) {
-        try {
-            var jsonText = host.readFile(path);
-            return jsonText ? JSON.parse(jsonText) : {};
-        }
-        catch (e) {
-            return {};
-        }
-    }
-    function getEffectiveTypeRoots(options, host) {
-        if (options.typeRoots) {
-            return options.typeRoots;
-        }
-        var currentDirectory;
-        if (options.configFilePath) {
-            currentDirectory = ts.getDirectoryPath(options.configFilePath);
-        }
-        else if (host.getCurrentDirectory) {
-            currentDirectory = host.getCurrentDirectory();
-        }
-        if (currentDirectory !== undefined) {
-            return getDefaultTypeRoots(currentDirectory, host);
-        }
-    }
-    ts.getEffectiveTypeRoots = getEffectiveTypeRoots;
-    function getDefaultTypeRoots(currentDirectory, host) {
-        if (!host.directoryExists) {
-            return [ts.combinePaths(currentDirectory, nodeModulesAtTypes)];
-        }
-        var typeRoots;
-        forEachAncestorDirectory(ts.normalizePath(currentDirectory), function (directory) {
-            var atTypes = ts.combinePaths(directory, nodeModulesAtTypes);
-            if (host.directoryExists(atTypes)) {
-                (typeRoots || (typeRoots = [])).push(atTypes);
-            }
-            return undefined;
-        });
-        return typeRoots;
-    }
-    var nodeModulesAtTypes = ts.combinePaths("node_modules", "@types");
-    function resolveTypeReferenceDirective(typeReferenceDirectiveName, containingFile, options, host) {
-        var traceEnabled = isTraceEnabled(options, host);
-        var moduleResolutionState = {
-            compilerOptions: options,
-            host: host,
-            traceEnabled: traceEnabled
-        };
-        var typeRoots = getEffectiveTypeRoots(options, host);
-        if (traceEnabled) {
-            if (containingFile === undefined) {
-                if (typeRoots === undefined) {
-                    trace(host, ts.Diagnostics.Resolving_type_reference_directive_0_containing_file_not_set_root_directory_not_set, typeReferenceDirectiveName);
-                }
-                else {
-                    trace(host, ts.Diagnostics.Resolving_type_reference_directive_0_containing_file_not_set_root_directory_1, typeReferenceDirectiveName, typeRoots);
-                }
-            }
-            else {
-                if (typeRoots === undefined) {
-                    trace(host, ts.Diagnostics.Resolving_type_reference_directive_0_containing_file_1_root_directory_not_set, typeReferenceDirectiveName, containingFile);
-                }
-                else {
-                    trace(host, ts.Diagnostics.Resolving_type_reference_directive_0_containing_file_1_root_directory_2, typeReferenceDirectiveName, containingFile, typeRoots);
-                }
-            }
-        }
-        var failedLookupLocations = [];
-        var resolved = primaryLookup();
-        var primary = true;
-        if (!resolved) {
-            resolved = secondaryLookup();
-            primary = false;
-        }
-        var resolvedTypeReferenceDirective;
-        if (resolved) {
-            resolved = realpath(resolved, host, traceEnabled);
-            if (traceEnabled) {
-                trace(host, ts.Diagnostics.Type_reference_directive_0_was_successfully_resolved_to_1_primary_Colon_2, typeReferenceDirectiveName, resolved, primary);
-            }
-            resolvedTypeReferenceDirective = { primary: primary, resolvedFileName: resolved };
-        }
-        return { resolvedTypeReferenceDirective: resolvedTypeReferenceDirective, failedLookupLocations: failedLookupLocations };
-        function primaryLookup() {
-            if (typeRoots && typeRoots.length) {
-                if (traceEnabled) {
-                    trace(host, ts.Diagnostics.Resolving_with_primary_search_path_0, typeRoots.join(", "));
-                }
-                return ts.forEach(typeRoots, function (typeRoot) {
-                    var candidate = ts.combinePaths(typeRoot, typeReferenceDirectiveName);
-                    var candidateDirectory = ts.getDirectoryPath(candidate);
-                    var directoryExists = directoryProbablyExists(candidateDirectory, host);
-                    if (!directoryExists && traceEnabled) {
-                        trace(host, ts.Diagnostics.Directory_0_does_not_exist_skipping_all_lookups_in_it, candidateDirectory);
-                    }
-                    return resolvedTypeScriptOnly(loadNodeModuleFromDirectory(Extensions.DtsOnly, candidate, failedLookupLocations, !directoryExists, moduleResolutionState));
-                });
-            }
-            else {
-                if (traceEnabled) {
-                    trace(host, ts.Diagnostics.Root_directory_cannot_be_determined_skipping_primary_search_paths);
-                }
-            }
-        }
-        function secondaryLookup() {
-            var resolvedFile;
-            var initialLocationForSecondaryLookup = containingFile && ts.getDirectoryPath(containingFile);
-            if (initialLocationForSecondaryLookup !== undefined) {
-                if (traceEnabled) {
-                    trace(host, ts.Diagnostics.Looking_up_in_node_modules_folder_initial_location_0, initialLocationForSecondaryLookup);
-                }
-                var result = loadModuleFromNodeModules(Extensions.DtsOnly, typeReferenceDirectiveName, initialLocationForSecondaryLookup, failedLookupLocations, moduleResolutionState, undefined);
-                resolvedFile = resolvedTypeScriptOnly(result && result.value);
-                if (!resolvedFile && traceEnabled) {
-                    trace(host, ts.Diagnostics.Type_reference_directive_0_was_not_resolved, typeReferenceDirectiveName);
-                }
-                return resolvedFile;
-            }
-            else {
-                if (traceEnabled) {
-                    trace(host, ts.Diagnostics.Containing_file_is_not_specified_and_root_directory_cannot_be_determined_skipping_lookup_in_node_modules_folder);
-                }
-            }
-        }
-    }
-    ts.resolveTypeReferenceDirective = resolveTypeReferenceDirective;
-    function getAutomaticTypeDirectiveNames(options, host) {
-        if (options.types) {
-            return options.types;
-        }
-        var result = [];
-        if (host.directoryExists && host.getDirectories) {
-            var typeRoots = getEffectiveTypeRoots(options, host);
-            if (typeRoots) {
-                for (var _i = 0, typeRoots_1 = typeRoots; _i < typeRoots_1.length; _i++) {
-                    var root = typeRoots_1[_i];
-                    if (host.directoryExists(root)) {
-                        for (var _a = 0, _b = host.getDirectories(root); _a < _b.length; _a++) {
-                            var typeDirectivePath = _b[_a];
-                            var normalized = ts.normalizePath(typeDirectivePath);
-                            var packageJsonPath = pathToPackageJson(ts.combinePaths(root, normalized));
-                            var isNotNeededPackage = host.fileExists(packageJsonPath) && readJson(packageJsonPath, host).typings === null;
-                            if (!isNotNeededPackage) {
-                                result.push(ts.getBaseFileName(normalized));
-                            }
-                        }
-                    }
-                }
-            }
-        }
-        return result;
-    }
-    ts.getAutomaticTypeDirectiveNames = getAutomaticTypeDirectiveNames;
-    function createModuleResolutionCache(currentDirectory, getCanonicalFileName) {
-        var directoryToModuleNameMap = ts.createFileMap();
-        var moduleNameToDirectoryMap = ts.createMap();
-        return { getOrCreateCacheForDirectory: getOrCreateCacheForDirectory, getOrCreateCacheForModuleName: getOrCreateCacheForModuleName };
-        function getOrCreateCacheForDirectory(directoryName) {
-            var path = ts.toPath(directoryName, currentDirectory, getCanonicalFileName);
-            var perFolderCache = directoryToModuleNameMap.get(path);
-            if (!perFolderCache) {
-                perFolderCache = ts.createMap();
-                directoryToModuleNameMap.set(path, perFolderCache);
-            }
-            return perFolderCache;
-        }
-        function getOrCreateCacheForModuleName(nonRelativeModuleName) {
-            if (!moduleHasNonRelativeName(nonRelativeModuleName)) {
-                return undefined;
-            }
-            var perModuleNameCache = moduleNameToDirectoryMap.get(nonRelativeModuleName);
-            if (!perModuleNameCache) {
-                perModuleNameCache = createPerModuleNameCache();
-                moduleNameToDirectoryMap.set(nonRelativeModuleName, perModuleNameCache);
-            }
-            return perModuleNameCache;
-        }
-        function createPerModuleNameCache() {
-            var directoryPathMap = ts.createFileMap();
-            return { get: get, set: set };
-            function get(directory) {
-                return directoryPathMap.get(ts.toPath(directory, currentDirectory, getCanonicalFileName));
-            }
-            function set(directory, result) {
-                var path = ts.toPath(directory, currentDirectory, getCanonicalFileName);
-                if (directoryPathMap.contains(path)) {
-                    return;
-                }
-                directoryPathMap.set(path, result);
-                var resolvedFileName = result.resolvedModule && result.resolvedModule.resolvedFileName;
-                var commonPrefix = getCommonPrefix(path, resolvedFileName);
-                var current = path;
-                while (true) {
-                    var parent = ts.getDirectoryPath(current);
-                    if (parent === current || directoryPathMap.contains(parent)) {
-                        break;
-                    }
-                    directoryPathMap.set(parent, result);
-                    current = parent;
-                    if (current === commonPrefix) {
-                        break;
-                    }
-                }
-            }
-            function getCommonPrefix(directory, resolution) {
-                if (resolution === undefined) {
-                    return undefined;
-                }
-                var resolutionDirectory = ts.toPath(ts.getDirectoryPath(resolution), currentDirectory, getCanonicalFileName);
-                var i = 0;
-                while (i < Math.min(directory.length, resolutionDirectory.length) && directory.charCodeAt(i) === resolutionDirectory.charCodeAt(i)) {
-                    i++;
-                }
-                var sep = directory.lastIndexOf(ts.directorySeparator, i);
-                if (sep < 0) {
-                    return undefined;
-                }
-                return directory.substr(0, sep);
-            }
-        }
-    }
-    ts.createModuleResolutionCache = createModuleResolutionCache;
-    function resolveModuleName(moduleName, containingFile, compilerOptions, host, cache) {
-        var traceEnabled = isTraceEnabled(compilerOptions, host);
-        if (traceEnabled) {
-            trace(host, ts.Diagnostics.Resolving_module_0_from_1, moduleName, containingFile);
-        }
-        var containingDirectory = ts.getDirectoryPath(containingFile);
-        var perFolderCache = cache && cache.getOrCreateCacheForDirectory(containingDirectory);
-        var result = perFolderCache && perFolderCache.get(moduleName);
-        if (result) {
-            if (traceEnabled) {
-                trace(host, ts.Diagnostics.Resolution_for_module_0_was_found_in_cache, moduleName);
-            }
-        }
-        else {
-            var moduleResolution = compilerOptions.moduleResolution;
-            if (moduleResolution === undefined) {
-                moduleResolution = ts.getEmitModuleKind(compilerOptions) === ts.ModuleKind.CommonJS ? ts.ModuleResolutionKind.NodeJs : ts.ModuleResolutionKind.Classic;
-                if (traceEnabled) {
-                    trace(host, ts.Diagnostics.Module_resolution_kind_is_not_specified_using_0, ts.ModuleResolutionKind[moduleResolution]);
-                }
-            }
-            else {
-                if (traceEnabled) {
-                    trace(host, ts.Diagnostics.Explicitly_specified_module_resolution_kind_Colon_0, ts.ModuleResolutionKind[moduleResolution]);
-                }
-            }
-            switch (moduleResolution) {
-                case ts.ModuleResolutionKind.NodeJs:
-                    result = nodeModuleNameResolver(moduleName, containingFile, compilerOptions, host, cache);
-                    break;
-                case ts.ModuleResolutionKind.Classic:
-                    result = classicNameResolver(moduleName, containingFile, compilerOptions, host, cache);
-                    break;
-                default:
-                    ts.Debug.fail("Unexpected moduleResolution: " + moduleResolution);
-            }
-            if (perFolderCache) {
-                perFolderCache.set(moduleName, result);
-                var perModuleNameCache = cache.getOrCreateCacheForModuleName(moduleName);
-                if (perModuleNameCache) {
-                    perModuleNameCache.set(containingDirectory, result);
-                }
-            }
-        }
-        if (traceEnabled) {
-            if (result.resolvedModule) {
-                trace(host, ts.Diagnostics.Module_name_0_was_successfully_resolved_to_1, moduleName, result.resolvedModule.resolvedFileName);
-            }
-            else {
-                trace(host, ts.Diagnostics.Module_name_0_was_not_resolved, moduleName);
-            }
-        }
-        return result;
-    }
-    ts.resolveModuleName = resolveModuleName;
-    function tryLoadModuleUsingOptionalResolutionSettings(extensions, moduleName, containingDirectory, loader, failedLookupLocations, state) {
-        if (moduleHasNonRelativeName(moduleName)) {
-            return tryLoadModuleUsingBaseUrl(extensions, moduleName, loader, failedLookupLocations, state);
-        }
-        else {
-            return tryLoadModuleUsingRootDirs(extensions, moduleName, containingDirectory, loader, failedLookupLocations, state);
-        }
-    }
-    function tryLoadModuleUsingRootDirs(extensions, moduleName, containingDirectory, loader, failedLookupLocations, state) {
-        if (!state.compilerOptions.rootDirs) {
-            return undefined;
-        }
-        if (state.traceEnabled) {
-            trace(state.host, ts.Diagnostics.rootDirs_option_is_set_using_it_to_resolve_relative_module_name_0, moduleName);
-        }
-        var candidate = ts.normalizePath(ts.combinePaths(containingDirectory, moduleName));
-        var matchedRootDir;
-        var matchedNormalizedPrefix;
-        for (var _i = 0, _a = state.compilerOptions.rootDirs; _i < _a.length; _i++) {
-            var rootDir = _a[_i];
-            var normalizedRoot = ts.normalizePath(rootDir);
-            if (!ts.endsWith(normalizedRoot, ts.directorySeparator)) {
-                normalizedRoot += ts.directorySeparator;
-            }
-            var isLongestMatchingPrefix = ts.startsWith(candidate, normalizedRoot) &&
-                (matchedNormalizedPrefix === undefined || matchedNormalizedPrefix.length < normalizedRoot.length);
-            if (state.traceEnabled) {
-                trace(state.host, ts.Diagnostics.Checking_if_0_is_the_longest_matching_prefix_for_1_2, normalizedRoot, candidate, isLongestMatchingPrefix);
-            }
-            if (isLongestMatchingPrefix) {
-                matchedNormalizedPrefix = normalizedRoot;
-                matchedRootDir = rootDir;
-            }
-        }
-        if (matchedNormalizedPrefix) {
-            if (state.traceEnabled) {
-                trace(state.host, ts.Diagnostics.Longest_matching_prefix_for_0_is_1, candidate, matchedNormalizedPrefix);
-            }
-            var suffix = candidate.substr(matchedNormalizedPrefix.length);
-            if (state.traceEnabled) {
-                trace(state.host, ts.Diagnostics.Loading_0_from_the_root_dir_1_candidate_location_2, suffix, matchedNormalizedPrefix, candidate);
-            }
-            var resolvedFileName = loader(extensions, candidate, failedLookupLocations, !directoryProbablyExists(containingDirectory, state.host), state);
-            if (resolvedFileName) {
-                return resolvedFileName;
-            }
-            if (state.traceEnabled) {
-                trace(state.host, ts.Diagnostics.Trying_other_entries_in_rootDirs);
-            }
-            for (var _b = 0, _c = state.compilerOptions.rootDirs; _b < _c.length; _b++) {
-                var rootDir = _c[_b];
-                if (rootDir === matchedRootDir) {
-                    continue;
-                }
-                var candidate_1 = ts.combinePaths(ts.normalizePath(rootDir), suffix);
-                if (state.traceEnabled) {
-                    trace(state.host, ts.Diagnostics.Loading_0_from_the_root_dir_1_candidate_location_2, suffix, rootDir, candidate_1);
-                }
-                var baseDirectory = ts.getDirectoryPath(candidate_1);
-                var resolvedFileName_1 = loader(extensions, candidate_1, failedLookupLocations, !directoryProbablyExists(baseDirectory, state.host), state);
-                if (resolvedFileName_1) {
-                    return resolvedFileName_1;
-                }
-            }
-            if (state.traceEnabled) {
-                trace(state.host, ts.Diagnostics.Module_resolution_using_rootDirs_has_failed);
-            }
-        }
-        return undefined;
-    }
-    function tryLoadModuleUsingBaseUrl(extensions, moduleName, loader, failedLookupLocations, state) {
-        if (!state.compilerOptions.baseUrl) {
-            return undefined;
-        }
-        if (state.traceEnabled) {
-            trace(state.host, ts.Diagnostics.baseUrl_option_is_set_to_0_using_this_value_to_resolve_non_relative_module_name_1, state.compilerOptions.baseUrl, moduleName);
-        }
-        var matchedPattern = undefined;
-        if (state.compilerOptions.paths) {
-            if (state.traceEnabled) {
-                trace(state.host, ts.Diagnostics.paths_option_is_specified_looking_for_a_pattern_to_match_module_name_0, moduleName);
-            }
-            matchedPattern = ts.matchPatternOrExact(ts.getOwnKeys(state.compilerOptions.paths), moduleName);
-        }
-        if (matchedPattern) {
-            var matchedStar_1 = typeof matchedPattern === "string" ? undefined : ts.matchedText(matchedPattern, moduleName);
-            var matchedPatternText = typeof matchedPattern === "string" ? matchedPattern : ts.patternText(matchedPattern);
-            if (state.traceEnabled) {
-                trace(state.host, ts.Diagnostics.Module_name_0_matched_pattern_1, moduleName, matchedPatternText);
-            }
-            return ts.forEach(state.compilerOptions.paths[matchedPatternText], function (subst) {
-                var path = matchedStar_1 ? subst.replace("*", matchedStar_1) : subst;
-                var candidate = ts.normalizePath(ts.combinePaths(state.compilerOptions.baseUrl, path));
-                if (state.traceEnabled) {
-                    trace(state.host, ts.Diagnostics.Trying_substitution_0_candidate_module_location_Colon_1, subst, path);
-                }
-                var extension = ts.tryGetExtensionFromPath(candidate);
-                if (extension !== undefined) {
-                    var path_1 = tryFile(candidate, failedLookupLocations, false, state);
-                    if (path_1 !== undefined) {
-                        return { path: path_1, extension: extension };
-                    }
-                }
-                return loader(extensions, candidate, failedLookupLocations, !directoryProbablyExists(ts.getDirectoryPath(candidate), state.host), state);
-            });
-        }
-        else {
-            var candidate = ts.normalizePath(ts.combinePaths(state.compilerOptions.baseUrl, moduleName));
-            if (state.traceEnabled) {
-                trace(state.host, ts.Diagnostics.Resolving_module_name_0_relative_to_base_url_1_2, moduleName, state.compilerOptions.baseUrl, candidate);
-            }
-            return loader(extensions, candidate, failedLookupLocations, !directoryProbablyExists(ts.getDirectoryPath(candidate), state.host), state);
-        }
-    }
-    function nodeModuleNameResolver(moduleName, containingFile, compilerOptions, host, cache) {
-        return nodeModuleNameResolverWorker(moduleName, ts.getDirectoryPath(containingFile), compilerOptions, host, cache, false);
-    }
-    ts.nodeModuleNameResolver = nodeModuleNameResolver;
-    function resolveJavaScriptModule(moduleName, initialDir, host) {
-        var _a = nodeModuleNameResolverWorker(moduleName, initialDir, { moduleResolution: ts.ModuleResolutionKind.NodeJs, allowJs: true }, host, undefined, true), resolvedModule = _a.resolvedModule, failedLookupLocations = _a.failedLookupLocations;
-        if (!resolvedModule) {
-            throw new Error("Could not resolve JS module " + moduleName + " starting at " + initialDir + ". Looked in: " + failedLookupLocations.join(", "));
-        }
-        return resolvedModule.resolvedFileName;
-    }
-    ts.resolveJavaScriptModule = resolveJavaScriptModule;
-    function nodeModuleNameResolverWorker(moduleName, containingDirectory, compilerOptions, host, cache, jsOnly) {
-        var traceEnabled = isTraceEnabled(compilerOptions, host);
-        var failedLookupLocations = [];
-        var state = { compilerOptions: compilerOptions, host: host, traceEnabled: traceEnabled };
-        var result = jsOnly ? tryResolve(Extensions.JavaScript) : (tryResolve(Extensions.TypeScript) || tryResolve(Extensions.JavaScript));
-        if (result && result.value) {
-            var _a = result.value, resolved = _a.resolved, isExternalLibraryImport = _a.isExternalLibraryImport;
-            return createResolvedModuleWithFailedLookupLocations(resolved, isExternalLibraryImport, failedLookupLocations);
-        }
-        return { resolvedModule: undefined, failedLookupLocations: failedLookupLocations };
-        function tryResolve(extensions) {
-            var loader = function (extensions, candidate, failedLookupLocations, onlyRecordFailures, state) { return nodeLoadModuleByRelativeName(extensions, candidate, failedLookupLocations, onlyRecordFailures, state, true); };
-            var resolved = tryLoadModuleUsingOptionalResolutionSettings(extensions, moduleName, containingDirectory, loader, failedLookupLocations, state);
-            if (resolved) {
-                return toSearchResult({ resolved: resolved, isExternalLibraryImport: false });
-            }
-            if (moduleHasNonRelativeName(moduleName)) {
-                if (traceEnabled) {
-                    trace(host, ts.Diagnostics.Loading_module_0_from_node_modules_folder_target_file_type_1, moduleName, Extensions[extensions]);
-                }
-                var resolved_1 = loadModuleFromNodeModules(extensions, moduleName, containingDirectory, failedLookupLocations, state, cache);
-                return resolved_1 && { value: resolved_1.value && { resolved: { path: realpath(resolved_1.value.path, host, traceEnabled), extension: resolved_1.value.extension }, isExternalLibraryImport: true } };
-            }
-            else {
-                var candidate = ts.normalizePath(ts.combinePaths(containingDirectory, moduleName));
-                var resolved_2 = nodeLoadModuleByRelativeName(extensions, candidate, failedLookupLocations, false, state, true);
-                return resolved_2 && toSearchResult({ resolved: resolved_2, isExternalLibraryImport: false });
-            }
-        }
-    }
-    function realpath(path, host, traceEnabled) {
-        if (!host.realpath) {
-            return path;
-        }
-        var real = ts.normalizePath(host.realpath(path));
-        if (traceEnabled) {
-            trace(host, ts.Diagnostics.Resolving_real_path_for_0_result_1, path, real);
-        }
-        return real;
-    }
-    function nodeLoadModuleByRelativeName(extensions, candidate, failedLookupLocations, onlyRecordFailures, state, considerPackageJson) {
-        if (state.traceEnabled) {
-            trace(state.host, ts.Diagnostics.Loading_module_as_file_Slash_folder_candidate_module_location_0_target_file_type_1, candidate, Extensions[extensions]);
-        }
-        if (!ts.pathEndsWithDirectorySeparator(candidate)) {
-            if (!onlyRecordFailures) {
-                var parentOfCandidate = ts.getDirectoryPath(candidate);
-                if (!directoryProbablyExists(parentOfCandidate, state.host)) {
-                    if (state.traceEnabled) {
-                        trace(state.host, ts.Diagnostics.Directory_0_does_not_exist_skipping_all_lookups_in_it, parentOfCandidate);
-                    }
-                    onlyRecordFailures = true;
-                }
-            }
-            var resolvedFromFile = loadModuleFromFile(extensions, candidate, failedLookupLocations, onlyRecordFailures, state);
-            if (resolvedFromFile) {
-                return resolvedFromFile;
-            }
-        }
-        if (!onlyRecordFailures) {
-            var candidateExists = directoryProbablyExists(candidate, state.host);
-            if (!candidateExists) {
-                if (state.traceEnabled) {
-                    trace(state.host, ts.Diagnostics.Directory_0_does_not_exist_skipping_all_lookups_in_it, candidate);
-                }
-                onlyRecordFailures = true;
-            }
-        }
-        return loadNodeModuleFromDirectory(extensions, candidate, failedLookupLocations, onlyRecordFailures, state, considerPackageJson);
-    }
-    function directoryProbablyExists(directoryName, host) {
-        return !host.directoryExists || host.directoryExists(directoryName);
-    }
-    ts.directoryProbablyExists = directoryProbablyExists;
-    function loadModuleFromFile(extensions, candidate, failedLookupLocations, onlyRecordFailures, state) {
-        var resolvedByAddingExtension = tryAddingExtensions(candidate, extensions, failedLookupLocations, onlyRecordFailures, state);
-        if (resolvedByAddingExtension) {
-            return resolvedByAddingExtension;
-        }
-        if (ts.hasJavaScriptFileExtension(candidate)) {
-            var extensionless = ts.removeFileExtension(candidate);
-            if (state.traceEnabled) {
-                var extension = candidate.substring(extensionless.length);
-                trace(state.host, ts.Diagnostics.File_name_0_has_a_1_extension_stripping_it, candidate, extension);
-            }
-            return tryAddingExtensions(extensionless, extensions, failedLookupLocations, onlyRecordFailures, state);
-        }
-    }
-    function tryAddingExtensions(candidate, extensions, failedLookupLocations, onlyRecordFailures, state) {
-        if (!onlyRecordFailures) {
-            var directory = ts.getDirectoryPath(candidate);
-            if (directory) {
-                onlyRecordFailures = !directoryProbablyExists(directory, state.host);
-            }
-        }
-        switch (extensions) {
-            case Extensions.DtsOnly:
-                return tryExtension(".d.ts", ts.Extension.Dts);
-            case Extensions.TypeScript:
-                return tryExtension(".ts", ts.Extension.Ts) || tryExtension(".tsx", ts.Extension.Tsx) || tryExtension(".d.ts", ts.Extension.Dts);
-            case Extensions.JavaScript:
-                return tryExtension(".js", ts.Extension.Js) || tryExtension(".jsx", ts.Extension.Jsx);
-        }
-        function tryExtension(ext, extension) {
-            var path = tryFile(candidate + ext, failedLookupLocations, onlyRecordFailures, state);
-            return path && { path: path, extension: extension };
-        }
-    }
-    function tryFile(fileName, failedLookupLocations, onlyRecordFailures, state) {
-        if (!onlyRecordFailures) {
-            if (state.host.fileExists(fileName)) {
-                if (state.traceEnabled) {
-                    trace(state.host, ts.Diagnostics.File_0_exist_use_it_as_a_name_resolution_result, fileName);
-                }
-                return fileName;
-            }
-            else {
-                if (state.traceEnabled) {
-                    trace(state.host, ts.Diagnostics.File_0_does_not_exist, fileName);
-                }
-            }
-        }
-        failedLookupLocations.push(fileName);
-        return undefined;
-    }
-    function loadNodeModuleFromDirectory(extensions, candidate, failedLookupLocations, onlyRecordFailures, state, considerPackageJson) {
-        if (considerPackageJson === void 0) { considerPackageJson = true; }
-        var directoryExists = !onlyRecordFailures && directoryProbablyExists(candidate, state.host);
-        if (considerPackageJson) {
-            var packageJsonPath = pathToPackageJson(candidate);
-            if (directoryExists && state.host.fileExists(packageJsonPath)) {
-                var fromPackageJson = loadModuleFromPackageJson(packageJsonPath, extensions, candidate, failedLookupLocations, state);
-                if (fromPackageJson) {
-                    return fromPackageJson;
-                }
-            }
-            else {
-                if (directoryExists && state.traceEnabled) {
-                    trace(state.host, ts.Diagnostics.File_0_does_not_exist, packageJsonPath);
-                }
-                failedLookupLocations.push(packageJsonPath);
-            }
-        }
-        return loadModuleFromFile(extensions, ts.combinePaths(candidate, "index"), failedLookupLocations, !directoryExists, state);
-    }
-    function loadModuleFromPackageJson(packageJsonPath, extensions, candidate, failedLookupLocations, state) {
-        if (state.traceEnabled) {
-            trace(state.host, ts.Diagnostics.Found_package_json_at_0, packageJsonPath);
-        }
-        var file = tryReadPackageJsonFields(extensions !== Extensions.JavaScript, packageJsonPath, candidate, state);
-        if (!file) {
-            return undefined;
-        }
-        var onlyRecordFailures = !directoryProbablyExists(ts.getDirectoryPath(file), state.host);
-        var fromFile = tryFile(file, failedLookupLocations, onlyRecordFailures, state);
-        if (fromFile) {
-            var resolved = fromFile && resolvedIfExtensionMatches(extensions, fromFile);
-            if (resolved) {
-                return resolved;
-            }
-            if (state.traceEnabled) {
-                trace(state.host, ts.Diagnostics.File_0_has_an_unsupported_extension_so_skipping_it, fromFile);
-            }
-        }
-        var nextExtensions = extensions === Extensions.DtsOnly ? Extensions.TypeScript : extensions;
-        return nodeLoadModuleByRelativeName(nextExtensions, file, failedLookupLocations, onlyRecordFailures, state, false);
-    }
-    function resolvedIfExtensionMatches(extensions, path) {
-        var extension = ts.tryGetExtensionFromPath(path);
-        return extension !== undefined && extensionIsOk(extensions, extension) ? { path: path, extension: extension } : undefined;
-    }
-    function extensionIsOk(extensions, extension) {
-        switch (extensions) {
-            case Extensions.JavaScript:
-                return extension === ts.Extension.Js || extension === ts.Extension.Jsx;
-            case Extensions.TypeScript:
-                return extension === ts.Extension.Ts || extension === ts.Extension.Tsx || extension === ts.Extension.Dts;
-            case Extensions.DtsOnly:
-                return extension === ts.Extension.Dts;
-        }
-    }
-    function pathToPackageJson(directory) {
-        return ts.combinePaths(directory, "package.json");
-    }
-    function loadModuleFromNodeModulesFolder(extensions, moduleName, nodeModulesFolder, nodeModulesFolderExists, failedLookupLocations, state) {
-        var candidate = ts.normalizePath(ts.combinePaths(nodeModulesFolder, moduleName));
-        return loadModuleFromFile(extensions, candidate, failedLookupLocations, !nodeModulesFolderExists, state) ||
-            loadNodeModuleFromDirectory(extensions, candidate, failedLookupLocations, !nodeModulesFolderExists, state);
-    }
-    function loadModuleFromNodeModules(extensions, moduleName, directory, failedLookupLocations, state, cache) {
-        return loadModuleFromNodeModulesWorker(extensions, moduleName, directory, failedLookupLocations, state, false, cache);
-    }
-    function loadModuleFromNodeModulesAtTypes(moduleName, directory, failedLookupLocations, state) {
-        return loadModuleFromNodeModulesWorker(Extensions.DtsOnly, moduleName, directory, failedLookupLocations, state, true, undefined);
-    }
-    function loadModuleFromNodeModulesWorker(extensions, moduleName, directory, failedLookupLocations, state, typesOnly, cache) {
-        var perModuleNameCache = cache && cache.getOrCreateCacheForModuleName(moduleName);
-        return forEachAncestorDirectory(ts.normalizeSlashes(directory), function (ancestorDirectory) {
-            if (ts.getBaseFileName(ancestorDirectory) !== "node_modules") {
-                var resolutionFromCache = tryFindNonRelativeModuleNameInCache(perModuleNameCache, moduleName, ancestorDirectory, state.traceEnabled, state.host);
-                if (resolutionFromCache) {
-                    return resolutionFromCache;
-                }
-                return toSearchResult(loadModuleFromNodeModulesOneLevel(extensions, moduleName, ancestorDirectory, failedLookupLocations, state, typesOnly));
-            }
-        });
-    }
-    function loadModuleFromNodeModulesOneLevel(extensions, moduleName, directory, failedLookupLocations, state, typesOnly) {
-        if (typesOnly === void 0) { typesOnly = false; }
-        var nodeModulesFolder = ts.combinePaths(directory, "node_modules");
-        var nodeModulesFolderExists = directoryProbablyExists(nodeModulesFolder, state.host);
-        if (!nodeModulesFolderExists && state.traceEnabled) {
-            trace(state.host, ts.Diagnostics.Directory_0_does_not_exist_skipping_all_lookups_in_it, nodeModulesFolder);
-        }
-        var packageResult = typesOnly ? undefined : loadModuleFromNodeModulesFolder(extensions, moduleName, nodeModulesFolder, nodeModulesFolderExists, failedLookupLocations, state);
-        if (packageResult) {
-            return packageResult;
-        }
-        if (extensions !== Extensions.JavaScript) {
-            var nodeModulesAtTypes_1 = ts.combinePaths(nodeModulesFolder, "@types");
-            var nodeModulesAtTypesExists = nodeModulesFolderExists;
-            if (nodeModulesFolderExists && !directoryProbablyExists(nodeModulesAtTypes_1, state.host)) {
-                if (state.traceEnabled) {
-                    trace(state.host, ts.Diagnostics.Directory_0_does_not_exist_skipping_all_lookups_in_it, nodeModulesAtTypes_1);
-                }
-                nodeModulesAtTypesExists = false;
-            }
-            return loadModuleFromNodeModulesFolder(Extensions.DtsOnly, mangleScopedPackage(moduleName, state), nodeModulesAtTypes_1, nodeModulesAtTypesExists, failedLookupLocations, state);
-        }
-    }
-    var mangledScopedPackageSeparator = "__";
-    function mangleScopedPackage(moduleName, state) {
-        if (ts.startsWith(moduleName, "@")) {
-            var replaceSlash = moduleName.replace(ts.directorySeparator, mangledScopedPackageSeparator);
-            if (replaceSlash !== moduleName) {
-                var mangled = replaceSlash.slice(1);
-                if (state.traceEnabled) {
-                    trace(state.host, ts.Diagnostics.Scoped_package_detected_looking_in_0, mangled);
-                }
-                return mangled;
-            }
-        }
-        return moduleName;
-    }
-    function getPackageNameFromAtTypesDirectory(mangledName) {
-        var withoutAtTypePrefix = ts.removePrefix(mangledName, "@types/");
-        if (withoutAtTypePrefix !== mangledName) {
-            return withoutAtTypePrefix.indexOf("__") !== -1 ?
-                "@" + withoutAtTypePrefix.replace(mangledScopedPackageSeparator, ts.directorySeparator) :
-                withoutAtTypePrefix;
-        }
-        return mangledName;
-    }
-    ts.getPackageNameFromAtTypesDirectory = getPackageNameFromAtTypesDirectory;
-    function tryFindNonRelativeModuleNameInCache(cache, moduleName, containingDirectory, traceEnabled, host) {
-        var result = cache && cache.get(containingDirectory);
-        if (result) {
-            if (traceEnabled) {
-                trace(host, ts.Diagnostics.Resolution_for_module_0_was_found_in_cache, moduleName);
-            }
-            return { value: result.resolvedModule && { path: result.resolvedModule.resolvedFileName, extension: result.resolvedModule.extension } };
-        }
-    }
-    function classicNameResolver(moduleName, containingFile, compilerOptions, host, cache) {
-        var traceEnabled = isTraceEnabled(compilerOptions, host);
-        var state = { compilerOptions: compilerOptions, host: host, traceEnabled: traceEnabled };
-        var failedLookupLocations = [];
-        var containingDirectory = ts.getDirectoryPath(containingFile);
-        var resolved = tryResolve(Extensions.TypeScript) || tryResolve(Extensions.JavaScript);
-        return createResolvedModuleWithFailedLookupLocations(resolved && resolved.value, false, failedLookupLocations);
-        function tryResolve(extensions) {
-            var resolvedUsingSettings = tryLoadModuleUsingOptionalResolutionSettings(extensions, moduleName, containingDirectory, loadModuleFromFile, failedLookupLocations, state);
-            if (resolvedUsingSettings) {
-                return { value: resolvedUsingSettings };
-            }
-            var perModuleNameCache = cache && cache.getOrCreateCacheForModuleName(moduleName);
-            if (moduleHasNonRelativeName(moduleName)) {
-                var resolved_3 = forEachAncestorDirectory(containingDirectory, function (directory) {
-                    var resolutionFromCache = tryFindNonRelativeModuleNameInCache(perModuleNameCache, moduleName, directory, traceEnabled, host);
-                    if (resolutionFromCache) {
-                        return resolutionFromCache;
-                    }
-                    var searchName = ts.normalizePath(ts.combinePaths(directory, moduleName));
-                    return toSearchResult(loadModuleFromFile(extensions, searchName, failedLookupLocations, false, state));
-                });
-                if (resolved_3) {
-                    return resolved_3;
-                }
-                if (extensions === Extensions.TypeScript) {
-                    return loadModuleFromNodeModulesAtTypes(moduleName, containingDirectory, failedLookupLocations, state);
-                }
-            }
-            else {
-                var candidate = ts.normalizePath(ts.combinePaths(containingDirectory, moduleName));
-                return toSearchResult(loadModuleFromFile(extensions, candidate, failedLookupLocations, false, state));
-            }
-        }
-    }
-    ts.classicNameResolver = classicNameResolver;
-    function loadModuleFromGlobalCache(moduleName, projectName, compilerOptions, host, globalCache) {
-        var traceEnabled = isTraceEnabled(compilerOptions, host);
-        if (traceEnabled) {
-            trace(host, ts.Diagnostics.Auto_discovery_for_typings_is_enabled_in_project_0_Running_extra_resolution_pass_for_module_1_using_cache_location_2, projectName, moduleName, globalCache);
-        }
-        var state = { compilerOptions: compilerOptions, host: host, traceEnabled: traceEnabled };
-        var failedLookupLocations = [];
-        var resolved = loadModuleFromNodeModulesOneLevel(Extensions.DtsOnly, moduleName, globalCache, failedLookupLocations, state);
-        return createResolvedModuleWithFailedLookupLocations(resolved, true, failedLookupLocations);
-    }
-    ts.loadModuleFromGlobalCache = loadModuleFromGlobalCache;
-    function toSearchResult(value) {
-        return value !== undefined ? { value: value } : undefined;
-    }
-    function forEachAncestorDirectory(directory, callback) {
-        while (true) {
-            var result = callback(directory);
-            if (result !== undefined) {
-                return result;
-            }
-            var parentPath = ts.getDirectoryPath(directory);
-            if (parentPath === directory) {
-                return undefined;
-            }
-            directory = parentPath;
-        }
-    }
 })(ts || (ts = {}));
 var ts;
 (function (ts) {
+    ts.emptyArray = [];
+    ts.emptyMap = ts.createMap();
     ts.externalHelpersModuleNameText = "tslib";
     function getDeclarationOfKind(symbol, kind) {
         var declarations = symbol.declarations;
@@ -8265,61 +4582,49 @@ var ts;
         return undefined;
     }
     ts.getDeclarationOfKind = getDeclarationOfKind;
-    function findDeclaration(symbol, predicate) {
-        var declarations = symbol.declarations;
-        if (declarations) {
-            for (var _i = 0, declarations_2 = declarations; _i < declarations_2.length; _i++) {
-                var declaration = declarations_2[_i];
-                if (predicate(declaration)) {
-                    return declaration;
-                }
-            }
+    var stringWriter = createSingleLineStringWriter();
+    var stringWriterAcquired = false;
+    function createSingleLineStringWriter() {
+        var str = "";
+        var writeText = function (text) { return str += text; };
+        return {
+            string: function () { return str; },
+            writeKeyword: writeText,
+            writeOperator: writeText,
+            writePunctuation: writeText,
+            writeSpace: writeText,
+            writeStringLiteral: writeText,
+            writeParameter: writeText,
+            writeProperty: writeText,
+            writeSymbol: writeText,
+            writeLine: function () { return str += " "; },
+            increaseIndent: ts.noop,
+            decreaseIndent: ts.noop,
+            clear: function () { return str = ""; },
+            trackSymbol: ts.noop,
+            reportInaccessibleThisError: ts.noop,
+            reportPrivateInBaseOfClassExpression: ts.noop,
+        };
+    }
+    function usingSingleLineStringWriter(action) {
+        try {
+            ts.Debug.assert(!stringWriterAcquired);
+            stringWriterAcquired = true;
+            action(stringWriter);
+            return stringWriter.string();
+        }
+        finally {
+            stringWriter.clear();
+            stringWriterAcquired = false;
         }
-        return undefined;
     }
-    ts.findDeclaration = findDeclaration;
-    var stringWriters = [];
-    function getSingleLineStringWriter() {
-        if (stringWriters.length === 0) {
-            var str_1 = "";
-            var writeText = function (text) { return str_1 += text; };
-            return {
-                string: function () { return str_1; },
-                writeKeyword: writeText,
-                writeOperator: writeText,
-                writePunctuation: writeText,
-                writeSpace: writeText,
-                writeStringLiteral: writeText,
-                writeParameter: writeText,
-                writeProperty: writeText,
-                writeSymbol: writeText,
-                writeLine: function () { return str_1 += " "; },
-                increaseIndent: ts.noop,
-                decreaseIndent: ts.noop,
-                clear: function () { return str_1 = ""; },
-                trackSymbol: ts.noop,
-                reportInaccessibleThisError: ts.noop,
-                reportPrivateInBaseOfClassExpression: ts.noop,
-            };
-        }
-        return stringWriters.pop();
-    }
-    ts.getSingleLineStringWriter = getSingleLineStringWriter;
-    function releaseStringWriter(writer) {
-        writer.clear();
-        stringWriters.push(writer);
-    }
-    ts.releaseStringWriter = releaseStringWriter;
+    ts.usingSingleLineStringWriter = usingSingleLineStringWriter;
     function getFullWidth(node) {
         return node.end - node.pos;
     }
     ts.getFullWidth = getFullWidth;
-    function hasResolvedModule(sourceFile, moduleNameText) {
-        return !!(sourceFile && sourceFile.resolvedModules && sourceFile.resolvedModules.get(moduleNameText));
-    }
-    ts.hasResolvedModule = hasResolvedModule;
     function getResolvedModule(sourceFile, moduleNameText) {
-        return hasResolvedModule(sourceFile, moduleNameText) ? sourceFile.resolvedModules.get(moduleNameText) : undefined;
+        return sourceFile && sourceFile.resolvedModules && sourceFile.resolvedModules.get(moduleNameText);
     }
     ts.getResolvedModule = getResolvedModule;
     function setResolvedModule(sourceFile, moduleNameText, resolvedModule) {
@@ -8339,9 +4644,13 @@ var ts;
     function moduleResolutionIsEqualTo(oldResolution, newResolution) {
         return oldResolution.isExternalLibraryImport === newResolution.isExternalLibraryImport &&
             oldResolution.extension === newResolution.extension &&
-            oldResolution.resolvedFileName === newResolution.resolvedFileName;
+            oldResolution.resolvedFileName === newResolution.resolvedFileName &&
+            packageIdIsEqual(oldResolution.packageId, newResolution.packageId);
     }
     ts.moduleResolutionIsEqualTo = moduleResolutionIsEqualTo;
+    function packageIdIsEqual(a, b) {
+        return a === b || a && b && a.name === b.name && a.subModuleName === b.subModuleName && a.version === b.version;
+    }
     function typeDirectiveIsEqualTo(oldResolution, newResolution) {
         return oldResolution.resolvedFileName === newResolution.resolvedFileName && oldResolution.primary === newResolution.primary;
     }
@@ -8406,14 +4715,6 @@ var ts;
         return file.fileName + "(" + (loc.line + 1) + "," + (loc.character + 1) + ")";
     }
     ts.nodePosToString = nodePosToString;
-    function getStartPosOfNode(node) {
-        return node.pos;
-    }
-    ts.getStartPosOfNode = getStartPosOfNode;
-    function isDefined(value) {
-        return value !== undefined;
-    }
-    ts.isDefined = isDefined;
     function getEndLinePosition(line, sourceFile) {
         ts.Debug.assert(line >= 0);
         var lineStarts = ts.getLineStarts(sourceFile);
@@ -8444,6 +4745,25 @@ var ts;
         return !nodeIsMissing(node);
     }
     ts.nodeIsPresent = nodeIsPresent;
+    function isRecognizedTripleSlashComment(text, commentPos, commentEnd) {
+        if (text.charCodeAt(commentPos + 1) === 47 &&
+            commentPos + 2 < commentEnd &&
+            text.charCodeAt(commentPos + 2) === 47) {
+            var textSubStr = text.substring(commentPos, commentEnd);
+            return textSubStr.match(ts.fullTripleSlashReferencePathRegEx) ||
+                textSubStr.match(ts.fullTripleSlashAMDReferencePathRegEx) ||
+                textSubStr.match(fullTripleSlashReferenceTypeReferenceDirectiveRegEx) ||
+                textSubStr.match(defaultLibReferenceRegEx) ?
+                true : false;
+        }
+        return false;
+    }
+    ts.isRecognizedTripleSlashComment = isRecognizedTripleSlashComment;
+    function isPinnedComment(text, comment) {
+        return text.charCodeAt(comment.pos + 1) === 42 &&
+            text.charCodeAt(comment.pos + 2) === 33;
+    }
+    ts.isPinnedComment = isPinnedComment;
     function getTokenPosOfNode(node, sourceFile, includeJsDoc) {
         if (nodeIsMissing(node)) {
             return node.pos;
@@ -8454,7 +4774,7 @@ var ts;
         if (includeJsDoc && node.jsDoc && node.jsDoc.length > 0) {
             return getTokenPosOfNode(node.jsDoc[0]);
         }
-        if (node.kind === 295 && node._children.length > 0) {
+        if (node.kind === 286 && node._children.length > 0) {
             return getTokenPosOfNode(node._children[0], sourceFile, includeJsDoc);
         }
         return ts.skipTrivia((sourceFile || getSourceFileOfNode(node)).text, node.pos);
@@ -8488,22 +4808,32 @@ var ts;
         return getSourceTextOfNodeFromSourceFile(getSourceFileOfNode(node), node, includeTrivia);
     }
     ts.getTextOfNode = getTextOfNode;
+    function getEmitFlags(node) {
+        var emitNode = node.emitNode;
+        return emitNode && emitNode.flags;
+    }
+    ts.getEmitFlags = getEmitFlags;
     function getLiteralText(node, sourceFile) {
         if (!nodeIsSynthesized(node) && node.parent) {
             return getSourceTextOfNodeFromSourceFile(sourceFile, node);
         }
-        var escapeText = ts.getEmitFlags(node) & 16777216 ? escapeString : escapeNonAsciiString;
+        var escapeText = getEmitFlags(node) & 16777216 ? escapeString : escapeNonAsciiString;
         switch (node.kind) {
             case 9:
-                return '"' + escapeText(node.text) + '"';
+                if (node.singleQuote) {
+                    return "'" + escapeText(node.text, 39) + "'";
+                }
+                else {
+                    return '"' + escapeText(node.text, 34) + '"';
+                }
             case 13:
-                return "`" + escapeText(node.text) + "`";
+                return "`" + escapeText(node.text, 96) + "`";
             case 14:
-                return "`" + escapeText(node.text) + "${";
+                return "`" + escapeText(node.text, 96) + "${";
             case 15:
-                return "}" + escapeText(node.text) + "${";
+                return "}" + escapeText(node.text, 96) + "${";
             case 16:
-                return "}" + escapeText(node.text) + "`";
+                return "}" + escapeText(node.text, 96) + "`";
             case 8:
                 return node.text;
         }
@@ -8514,8 +4844,12 @@ var ts;
         return typeof value === "string" ? '"' + escapeNonAsciiString(value) + '"' : "" + value;
     }
     ts.getTextOfConstantValue = getTextOfConstantValue;
+    function escapeLeadingUnderscores(identifier) {
+        return (identifier.length >= 2 && identifier.charCodeAt(0) === 95 && identifier.charCodeAt(1) === 95 ? "_" + identifier : identifier);
+    }
+    ts.escapeLeadingUnderscores = escapeLeadingUnderscores;
     function escapeIdentifier(identifier) {
-        return identifier.length >= 2 && identifier.charCodeAt(0) === 95 && identifier.charCodeAt(1) === 95 ? "_" + identifier : identifier;
+        return identifier;
     }
     ts.escapeIdentifier = escapeIdentifier;
     function makeIdentifierFromModuleName(moduleName) {
@@ -8537,6 +4871,10 @@ var ts;
             (node.name.kind === 9 || isGlobalScopeAugmentation(node));
     }
     ts.isAmbientModule = isAmbientModule;
+    function isNonGlobalAmbientModule(node) {
+        return ts.isModuleDeclaration(node) && ts.isStringLiteral(node.name);
+    }
+    ts.isNonGlobalAmbientModule = isNonGlobalAmbientModule;
     function isShorthandAmbientModuleSymbol(moduleSymbol) {
         return isShorthandAmbientModule(moduleSymbol.valueDeclaration);
     }
@@ -8615,13 +4953,13 @@ var ts;
     function getTextOfPropertyName(name) {
         switch (name.kind) {
             case 71:
-                return name.text;
+                return name.escapedText;
             case 9:
             case 8:
-                return name.text;
+                return escapeLeadingUnderscores(name.text);
             case 144:
                 if (isStringOrNumericLiteral(name.expression)) {
-                    return name.expression.text;
+                    return escapeLeadingUnderscores(name.expression.text);
                 }
         }
         return undefined;
@@ -8630,7 +4968,7 @@ var ts;
     function entityNameToString(name) {
         switch (name.kind) {
             case 71:
-                return getFullWidth(name) === 0 ? ts.unescapeIdentifier(name.text) : getTextOfNode(name);
+                return getFullWidth(name) === 0 ? ts.unescapeLeadingUnderscores(name.escapedText) : getTextOfNode(name);
             case 143:
                 return entityNameToString(name.left) + "." + entityNameToString(name.right);
             case 179:
@@ -8750,17 +5088,14 @@ var ts;
         return ts.getLeadingCommentRanges(sourceFileOfNode.text, node.pos);
     }
     ts.getLeadingCommentRangesOfNode = getLeadingCommentRangesOfNode;
-    function getLeadingCommentRangesOfNodeFromText(node, text) {
-        return ts.getLeadingCommentRanges(text, node.pos);
-    }
-    ts.getLeadingCommentRangesOfNodeFromText = getLeadingCommentRangesOfNodeFromText;
     function getJSDocCommentRanges(node, text) {
         var commentRanges = (node.kind === 146 ||
             node.kind === 145 ||
             node.kind === 186 ||
-            node.kind === 187) ?
+            node.kind === 187 ||
+            node.kind === 185) ?
             ts.concatenate(ts.getTrailingCommentRanges(text, node.pos), ts.getLeadingCommentRanges(text, node.pos)) :
-            getLeadingCommentRangesOfNodeFromText(node, text);
+            ts.getLeadingCommentRanges(text, node.pos);
         return ts.filter(commentRanges, function (comment) {
             return text.charCodeAt(comment.pos + 1) === 42 &&
                 text.charCodeAt(comment.pos + 2) === 42 &&
@@ -8769,8 +5104,9 @@ var ts;
     }
     ts.getJSDocCommentRanges = getJSDocCommentRanges;
     ts.fullTripleSlashReferencePathRegEx = /^(\/\/\/\s*<reference\s+path\s*=\s*)('|")(.+?)\2.*?\/>/;
-    ts.fullTripleSlashReferenceTypeReferenceDirectiveRegEx = /^(\/\/\/\s*<reference\s+types\s*=\s*)('|")(.+?)\2.*?\/>/;
+    var fullTripleSlashReferenceTypeReferenceDirectiveRegEx = /^(\/\/\/\s*<reference\s+types\s*=\s*)('|")(.+?)\2.*?\/>/;
     ts.fullTripleSlashAMDReferencePathRegEx = /^(\/\/\/\s*<amd-dependency\s+path\s*=\s*)('|")(.+?)\2.*?\/>/;
+    var defaultLibReferenceRegEx = /^(\/\/\/\s*<reference\s+no-default-lib\s*=\s*)('|")(.+?)\2\s*\/>/;
     function isPartOfTypeNode(node) {
         if (158 <= node.kind && node.kind <= 173) {
             return true;
@@ -8987,22 +5323,21 @@ var ts;
         return predicate && predicate.kind === 0;
     }
     ts.isThisTypePredicate = isThisTypePredicate;
-    function getContainingFunction(node) {
-        while (true) {
-            node = node.parent;
-            if (!node || ts.isFunctionLike(node)) {
-                return node;
+    function getPropertyAssignment(objectLiteral, key, key2) {
+        return ts.filter(objectLiteral.properties, function (property) {
+            if (property.kind === 261) {
+                var propName = getTextOfPropertyName(property.name);
+                return key === propName || (key2 && key2 === propName);
             }
-        }
+        });
+    }
+    ts.getPropertyAssignment = getPropertyAssignment;
+    function getContainingFunction(node) {
+        return ts.findAncestor(node.parent, ts.isFunctionLike);
     }
     ts.getContainingFunction = getContainingFunction;
     function getContainingClass(node) {
-        while (true) {
-            node = node.parent;
-            if (!node || ts.isClassLike(node)) {
-                return node;
-            }
-        }
+        return ts.findAncestor(node.parent, ts.isClassLike);
     }
     ts.getContainingClass = getContainingClass;
     function getThisContainer(node, includeArrowFunctions) {
@@ -9122,7 +5457,6 @@ var ts;
     function getEntityNameFromTypeNode(node) {
         switch (node.kind) {
             case 159:
-            case 277:
                 return node.typeName;
             case 201:
                 return isEntityNameExpression(node.expression)
@@ -9197,7 +5531,6 @@ var ts;
     ts.isJSXTagName = isJSXTagName;
     function isPartOfExpression(node) {
         switch (node.kind) {
-            case 99:
             case 97:
             case 95:
             case 101:
@@ -9265,7 +5598,6 @@ var ts;
                     case 221:
                     case 257:
                     case 223:
-                    case 221:
                         return parent.expression === node;
                     case 214:
                         var forStatement = parent;
@@ -9300,12 +5632,6 @@ var ts;
         return false;
     }
     ts.isPartOfExpression = isPartOfExpression;
-    function isInstantiatedModule(node, preserveConstEnums) {
-        var moduleState = ts.getModuleInstanceState(node);
-        return moduleState === 1 ||
-            (preserveConstEnums && moduleState === 2);
-    }
-    ts.isInstantiatedModule = isInstantiatedModule;
     function isExternalModuleImportEqualsDeclaration(node) {
         return node.kind === 237 && node.moduleReference.kind === 248;
     }
@@ -9327,12 +5653,16 @@ var ts;
         return node && !!(node.flags & 65536);
     }
     ts.isInJavaScriptFile = isInJavaScriptFile;
+    function isInJSDoc(node) {
+        return node && !!(node.flags & 1048576);
+    }
+    ts.isInJSDoc = isInJSDoc;
     function isRequireCall(callExpression, checkArgumentIsStringLiteral) {
         if (callExpression.kind !== 181) {
             return false;
         }
         var _a = callExpression, expression = _a.expression, args = _a.arguments;
-        if (expression.kind !== 71 || expression.text !== "require") {
+        if (expression.kind !== 71 || expression.escapedText !== "require") {
             return false;
         }
         if (args.length !== 1) {
@@ -9362,11 +5692,11 @@ var ts;
     }
     ts.getRightMostAssignedExpression = getRightMostAssignedExpression;
     function isExportsIdentifier(node) {
-        return ts.isIdentifier(node) && node.text === "exports";
+        return ts.isIdentifier(node) && node.escapedText === "exports";
     }
     ts.isExportsIdentifier = isExportsIdentifier;
     function isModuleExportsPropertyAccessExpression(node) {
-        return ts.isPropertyAccessExpression(node) && ts.isIdentifier(node.expression) && node.expression.text === "module" && node.name.text === "exports";
+        return ts.isPropertyAccessExpression(node) && ts.isIdentifier(node.expression) && node.expression.escapedText === "module" && node.name.escapedText === "exports";
     }
     ts.isModuleExportsPropertyAccessExpression = isModuleExportsPropertyAccessExpression;
     function getSpecialPropertyAssignmentKind(expression) {
@@ -9380,10 +5710,10 @@ var ts;
         var lhs = expr.left;
         if (lhs.expression.kind === 71) {
             var lhsId = lhs.expression;
-            if (lhsId.text === "exports") {
+            if (lhsId.escapedText === "exports") {
                 return 1;
             }
-            else if (lhsId.text === "module" && lhs.name.text === "exports") {
+            else if (lhsId.escapedText === "module" && lhs.name.escapedText === "exports") {
                 return 2;
             }
             else {
@@ -9397,10 +5727,10 @@ var ts;
             var innerPropertyAccess = lhs.expression;
             if (innerPropertyAccess.expression.kind === 71) {
                 var innerPropertyAccessIdentifier = innerPropertyAccess.expression;
-                if (innerPropertyAccessIdentifier.text === "module" && innerPropertyAccess.name.text === "exports") {
+                if (innerPropertyAccessIdentifier.escapedText === "module" && innerPropertyAccess.name.escapedText === "exports") {
                     return 1;
                 }
-                if (innerPropertyAccess.name.text === "prototype") {
+                if (innerPropertyAccess.name.escapedText === "prototype") {
                     return 3;
                 }
             }
@@ -9459,41 +5789,40 @@ var ts;
     }
     ts.hasQuestionToken = hasQuestionToken;
     function isJSDocConstructSignature(node) {
-        return node.kind === 279 &&
+        return node.kind === 273 &&
             node.parameters.length > 0 &&
-            node.parameters[0].type.kind === 281;
+            node.parameters[0].name &&
+            node.parameters[0].name.escapedText === "new";
     }
     ts.isJSDocConstructSignature = isJSDocConstructSignature;
-    function getCommentsFromJSDoc(node) {
-        return ts.map(getJSDocs(node), function (doc) { return doc.comment; });
-    }
-    ts.getCommentsFromJSDoc = getCommentsFromJSDoc;
     function hasJSDocParameterTags(node) {
-        var parameterTags = getJSDocTags(node, 287);
-        return parameterTags && parameterTags.length > 0;
+        return !!getFirstJSDocTag(node, 279);
     }
     ts.hasJSDocParameterTags = hasJSDocParameterTags;
-    function getJSDocTags(node, kind) {
-        return ts.flatMap(getJSDocs(node), function (doc) {
-            return doc.kind === 283
-                ? ts.filter(doc.tags, function (tag) { return tag.kind === kind; })
-                : doc.kind === kind && doc;
-        });
-    }
     function getFirstJSDocTag(node, kind) {
-        return node && ts.firstOrUndefined(getJSDocTags(node, kind));
+        var tags = getJSDocTags(node);
+        return ts.find(tags, function (doc) { return doc.kind === kind; });
     }
-    function getJSDocs(node) {
+    function getAllJSDocs(node) {
         if (ts.isJSDocTypedefTag(node)) {
             return [node.parent];
         }
-        var cache = node.jsDocCache;
-        if (!cache) {
-            getJSDocsWorker(node);
-            node.jsDocCache = cache;
+        return getJSDocCommentsAndTags(node);
+    }
+    ts.getAllJSDocs = getAllJSDocs;
+    function getJSDocTags(node) {
+        var tags = node.jsDocCache;
+        if (tags === undefined) {
+            node.jsDocCache = tags = ts.flatMap(getJSDocCommentsAndTags(node), function (j) { return ts.isJSDoc(j) ? j.tags : j; });
         }
-        return cache;
-        function getJSDocsWorker(node) {
+        return tags;
+    }
+    ts.getJSDocTags = getJSDocTags;
+    function getJSDocCommentsAndTags(node) {
+        var result;
+        getJSDocCommentsAndTagsWorker(node);
+        return result || ts.emptyArray;
+        function getJSDocCommentsAndTagsWorker(node) {
             var parent = node.parent;
             var isInitializerOfVariableDeclarationInStatement = isVariableLike(parent) &&
                 parent.initializer === node &&
@@ -9504,70 +5833,65 @@ var ts;
                 isVariableOfVariableDeclarationStatement ? parent.parent :
                     undefined;
             if (variableStatementNode) {
-                getJSDocsWorker(variableStatementNode);
+                getJSDocCommentsAndTagsWorker(variableStatementNode);
             }
             var isSourceOfAssignmentExpressionStatement = parent && parent.parent &&
                 parent.kind === 194 &&
                 parent.operatorToken.kind === 58 &&
                 parent.parent.kind === 210;
             if (isSourceOfAssignmentExpressionStatement) {
-                getJSDocsWorker(parent.parent);
+                getJSDocCommentsAndTagsWorker(parent.parent);
             }
             var isModuleDeclaration = node.kind === 233 &&
                 parent && parent.kind === 233;
             var isPropertyAssignmentExpression = parent && parent.kind === 261;
             if (isModuleDeclaration || isPropertyAssignmentExpression) {
-                getJSDocsWorker(parent);
+                getJSDocCommentsAndTagsWorker(parent);
             }
             if (node.kind === 146) {
-                cache = ts.concatenate(cache, getJSDocParameterTags(node));
+                result = ts.addRange(result, getJSDocParameterTags(node));
             }
             if (isVariableLike(node) && node.initializer) {
-                cache = ts.concatenate(cache, node.initializer.jsDoc);
+                result = ts.addRange(result, node.initializer.jsDoc);
             }
-            cache = ts.concatenate(cache, node.jsDoc);
+            result = ts.addRange(result, node.jsDoc);
         }
     }
-    ts.getJSDocs = getJSDocs;
     function getJSDocParameterTags(param) {
-        var func = param.parent;
-        var tags = getJSDocTags(func, 287);
-        if (!param.name) {
-            var i = func.parameters.indexOf(param);
-            var paramTags = ts.filter(tags, function (tag) { return tag.kind === 287; });
-            if (paramTags && 0 <= i && i < paramTags.length) {
-                return [paramTags[i]];
-            }
+        if (param.name && ts.isIdentifier(param.name)) {
+            var name_1 = param.name.escapedText;
+            return getJSDocTags(param.parent).filter(function (tag) { return ts.isJSDocParameterTag(tag) && ts.isIdentifier(tag.name) && tag.name.escapedText === name_1; });
         }
-        else if (param.name.kind === 71) {
-            var name_1 = param.name.text;
-            return ts.filter(tags, function (tag) { return tag.kind === 287 && tag.name.text === name_1; });
+        return undefined;
+    }
+    ts.getJSDocParameterTags = getJSDocParameterTags;
+    function getParameterSymbolFromJSDoc(node) {
+        if (node.symbol) {
+            return node.symbol;
         }
-        else {
+        if (!ts.isIdentifier(node.name)) {
             return undefined;
         }
-    }
-    ts.getJSDocParameterTags = getJSDocParameterTags;
-    function getParameterFromJSDoc(node) {
-        var name = node.name.text;
-        var grandParent = node.parent.parent;
-        ts.Debug.assert(node.parent.kind === 283);
-        if (!ts.isFunctionLike(grandParent)) {
+        var name = node.name.escapedText;
+        ts.Debug.assert(node.parent.kind === 275);
+        var func = node.parent.parent;
+        if (!ts.isFunctionLike(func)) {
             return undefined;
         }
-        return ts.find(grandParent.parameters, function (p) {
-            return p.name.kind === 71 && p.name.text === name;
+        var parameter = ts.find(func.parameters, function (p) {
+            return p.name.kind === 71 && p.name.escapedText === name;
         });
+        return parameter && parameter.symbol;
     }
-    ts.getParameterFromJSDoc = getParameterFromJSDoc;
+    ts.getParameterSymbolFromJSDoc = getParameterSymbolFromJSDoc;
     function getTypeParameterFromJsDoc(node) {
-        var name = node.name.text;
+        var name = node.name.escapedText;
         var typeParameters = node.parent.parent.parent.typeParameters;
-        return ts.find(typeParameters, function (p) { return p.name.text === name; });
+        return ts.find(typeParameters, function (p) { return p.name.escapedText === name; });
     }
     ts.getTypeParameterFromJsDoc = getTypeParameterFromJsDoc;
     function getJSDocType(node) {
-        var tag = getFirstJSDocTag(node, 289);
+        var tag = getFirstJSDocTag(node, 281);
         if (!tag && node.kind === 146) {
             var paramTags = getJSDocParameterTags(node);
             if (paramTags) {
@@ -9578,15 +5902,15 @@ var ts;
     }
     ts.getJSDocType = getJSDocType;
     function getJSDocAugmentsTag(node) {
-        return getFirstJSDocTag(node, 285);
+        return getFirstJSDocTag(node, 277);
     }
     ts.getJSDocAugmentsTag = getJSDocAugmentsTag;
     function getJSDocClassTag(node) {
-        return getFirstJSDocTag(node, 286);
+        return getFirstJSDocTag(node, 278);
     }
     ts.getJSDocClassTag = getJSDocClassTag;
     function getJSDocReturnTag(node) {
-        return getFirstJSDocTag(node, 288);
+        return getFirstJSDocTag(node, 280);
     }
     ts.getJSDocReturnTag = getJSDocReturnTag;
     function getJSDocReturnType(node) {
@@ -9595,7 +5919,7 @@ var ts;
     }
     ts.getJSDocReturnType = getJSDocReturnType;
     function getJSDocTemplateTag(node) {
-        return getFirstJSDocTag(node, 290);
+        return getFirstJSDocTag(node, 282);
     }
     ts.getJSDocTemplateTag = getJSDocTemplateTag;
     function hasRestParameter(s) {
@@ -9607,9 +5931,9 @@ var ts;
     }
     ts.hasDeclaredRestParameter = hasDeclaredRestParameter;
     function isRestParameter(node) {
-        if (node && (node.flags & 65536)) {
-            if (node.type && node.type.kind === 280 ||
-                ts.forEach(getJSDocParameterTags(node), function (t) { return t.typeExpression && t.typeExpression.type.kind === 280; })) {
+        if (isInJavaScriptFile(node)) {
+            if (node.type && node.type.kind === 274 ||
+                ts.forEach(getJSDocParameterTags(node), function (t) { return t.typeExpression && t.typeExpression.type.kind === 274; })) {
                 return true;
             }
         }
@@ -9757,6 +6081,7 @@ var ts;
             case 242:
                 return parent.propertyName === node;
             case 246:
+            case 253:
                 return true;
         }
         return false;
@@ -9822,14 +6147,14 @@ var ts;
     ts.getAncestor = getAncestor;
     function getFileReferenceFromReferencePath(comment, commentRange) {
         var simpleReferenceRegEx = /^\/\/\/\s*<reference\s+/gim;
-        var isNoDefaultLibRegEx = /^(\/\/\/\s*<reference\s+no-default-lib\s*=\s*)('|")(.+?)\2\s*\/>/gim;
+        var isNoDefaultLibRegEx = new RegExp(defaultLibReferenceRegEx.source, "gim");
         if (simpleReferenceRegEx.test(comment)) {
             if (isNoDefaultLibRegEx.test(comment)) {
                 return { isNoDefaultLib: true };
             }
             else {
                 var refMatchResult = ts.fullTripleSlashReferencePathRegEx.exec(comment);
-                var refLibResult = !refMatchResult && ts.fullTripleSlashReferenceTypeReferenceDirectiveRegEx.exec(comment);
+                var refLibResult = !refMatchResult && fullTripleSlashReferenceTypeReferenceDirectiveRegEx.exec(comment);
                 var match = refMatchResult || refLibResult;
                 if (match) {
                     var pos = commentRange.pos + match[1].length + match[2].length;
@@ -9927,32 +6252,61 @@ var ts;
     }
     ts.isWellKnownSymbolSyntactically = isWellKnownSymbolSyntactically;
     function getPropertyNameForPropertyNameNode(name) {
-        if (name.kind === 71 || name.kind === 9 || name.kind === 8 || name.kind === 146) {
-            return name.text;
+        if (name.kind === 71) {
+            return name.escapedText;
+        }
+        if (name.kind === 9 || name.kind === 8) {
+            return escapeLeadingUnderscores(name.text);
         }
         if (name.kind === 144) {
             var nameExpression = name.expression;
             if (isWellKnownSymbolSyntactically(nameExpression)) {
-                var rightHandSideName = nameExpression.name.text;
-                return getPropertyNameForKnownSymbolName(rightHandSideName);
+                var rightHandSideName = nameExpression.name.escapedText;
+                return getPropertyNameForKnownSymbolName(ts.unescapeLeadingUnderscores(rightHandSideName));
             }
             else if (nameExpression.kind === 9 || nameExpression.kind === 8) {
-                return nameExpression.text;
+                return escapeLeadingUnderscores(nameExpression.text);
             }
         }
         return undefined;
     }
     ts.getPropertyNameForPropertyNameNode = getPropertyNameForPropertyNameNode;
+    function getTextOfIdentifierOrLiteral(node) {
+        if (node) {
+            if (node.kind === 71) {
+                return ts.unescapeLeadingUnderscores(node.escapedText);
+            }
+            if (node.kind === 9 ||
+                node.kind === 8) {
+                return node.text;
+            }
+        }
+        return undefined;
+    }
+    ts.getTextOfIdentifierOrLiteral = getTextOfIdentifierOrLiteral;
+    function getEscapedTextOfIdentifierOrLiteral(node) {
+        if (node) {
+            if (node.kind === 71) {
+                return node.escapedText;
+            }
+            if (node.kind === 9 ||
+                node.kind === 8) {
+                return escapeLeadingUnderscores(node.text);
+            }
+        }
+        return undefined;
+    }
+    ts.getEscapedTextOfIdentifierOrLiteral = getEscapedTextOfIdentifierOrLiteral;
     function getPropertyNameForKnownSymbolName(symbolName) {
         return "__@" + symbolName;
     }
     ts.getPropertyNameForKnownSymbolName = getPropertyNameForKnownSymbolName;
     function isESSymbolIdentifier(node) {
-        return node.kind === 71 && node.text === "Symbol";
+        return node.kind === 71 && node.escapedText === "Symbol";
     }
     ts.isESSymbolIdentifier = isESSymbolIdentifier;
     function isPushOrUnshiftIdentifier(node) {
-        return node.text === "push" || node.text === "unshift";
+        return node.escapedText === "push" || node.escapedText === "unshift";
     }
     ts.isPushOrUnshiftIdentifier = isPushOrUnshiftIdentifier;
     function isParameterDeclaration(node) {
@@ -9980,30 +6334,15 @@ var ts;
             || kind === 265;
     }
     ts.nodeStartsNewLexicalEnvironment = nodeStartsNewLexicalEnvironment;
-    function nodeIsSynthesized(node) {
-        return ts.positionIsSynthesized(node.pos)
-            || ts.positionIsSynthesized(node.end);
+    function nodeIsSynthesized(range) {
+        return ts.positionIsSynthesized(range.pos)
+            || ts.positionIsSynthesized(range.end);
     }
     ts.nodeIsSynthesized = nodeIsSynthesized;
-    function getOriginalSourceFileOrBundle(sourceFileOrBundle) {
-        if (sourceFileOrBundle.kind === 266) {
-            return ts.updateBundle(sourceFileOrBundle, ts.sameMap(sourceFileOrBundle.sourceFiles, getOriginalSourceFile));
-        }
-        return getOriginalSourceFile(sourceFileOrBundle);
-    }
-    ts.getOriginalSourceFileOrBundle = getOriginalSourceFileOrBundle;
     function getOriginalSourceFile(sourceFile) {
         return ts.getParseTreeNode(sourceFile, ts.isSourceFile) || sourceFile;
     }
-    function getOriginalSourceFiles(sourceFiles) {
-        return ts.sameMap(sourceFiles, getOriginalSourceFile);
-    }
-    ts.getOriginalSourceFiles = getOriginalSourceFiles;
-    function getOriginalNodeId(node) {
-        node = ts.getOriginalNode(node);
-        return node ? ts.getNodeId(node) : 0;
-    }
-    ts.getOriginalNodeId = getOriginalNodeId;
+    ts.getOriginalSourceFile = getOriginalSourceFile;
     var Associativity;
     (function (Associativity) {
         Associativity[Associativity["Left"] = 0] = "Left";
@@ -10170,7 +6509,7 @@ var ts;
                 return 2;
             case 198:
                 return 1;
-            case 298:
+            case 289:
                 return 0;
             default:
                 return -1;
@@ -10242,7 +6581,9 @@ var ts;
         }
     }
     ts.createDiagnosticCollection = createDiagnosticCollection;
-    var escapedCharsRegExp = /[\\\"\u0000-\u001f\t\v\f\b\r\n\u2028\u2029\u0085]/g;
+    var doubleQuoteEscapedCharsRegExp = /[\\\"\u0000-\u001f\t\v\f\b\r\n\u2028\u2029\u0085]/g;
+    var singleQuoteEscapedCharsRegExp = /[\\\'\u0000-\u001f\t\v\f\b\r\n\u2028\u2029\u0085]/g;
+    var backtickQuoteEscapedCharsRegExp = /[\\\`\u0000-\u001f\t\v\f\b\r\n\u2028\u2029\u0085]/g;
     var escapedCharsMap = ts.createMapFromTemplate({
         "\0": "\\0",
         "\t": "\\t",
@@ -10253,11 +6594,16 @@ var ts;
         "\n": "\\n",
         "\\": "\\\\",
         "\"": "\\\"",
+        "\'": "\\\'",
+        "\`": "\\\`",
         "\u2028": "\\u2028",
         "\u2029": "\\u2029",
         "\u0085": "\\u0085"
     });
-    function escapeString(s) {
+    function escapeString(s, quoteChar) {
+        var escapedCharsRegExp = quoteChar === 96 ? backtickQuoteEscapedCharsRegExp :
+            quoteChar === 39 ? singleQuoteEscapedCharsRegExp :
+                doubleQuoteEscapedCharsRegExp;
         return s.replace(escapedCharsRegExp, getReplacement);
     }
     ts.escapeString = escapeString;
@@ -10275,8 +6621,8 @@ var ts;
         return "\\u" + paddedHexCode;
     }
     var nonAsciiCharacters = /[^\u0000-\u007F]/g;
-    function escapeNonAsciiString(s) {
-        s = escapeString(s);
+    function escapeNonAsciiString(s, quoteChar) {
+        s = escapeString(s, quoteChar);
         return nonAsciiCharacters.test(s) ?
             s.replace(nonAsciiCharacters, function (c) { return get16BitUnicodeEscapeSequence(c.charCodeAt(0)); }) :
             s;
@@ -10425,44 +6771,6 @@ var ts;
         return !(options.noEmitForJsFiles && isSourceFileJavaScript(sourceFile)) && !sourceFile.isDeclarationFile && !isSourceFileFromExternalLibrary(sourceFile);
     }
     ts.sourceFileMayBeEmitted = sourceFileMayBeEmitted;
-    function forEachEmittedFile(host, action, sourceFilesOrTargetSourceFile, emitOnlyDtsFiles) {
-        var sourceFiles = ts.isArray(sourceFilesOrTargetSourceFile) ? sourceFilesOrTargetSourceFile : getSourceFilesToEmit(host, sourceFilesOrTargetSourceFile);
-        var options = host.getCompilerOptions();
-        if (options.outFile || options.out) {
-            if (sourceFiles.length) {
-                var jsFilePath = options.outFile || options.out;
-                var sourceMapFilePath = getSourceMapFilePath(jsFilePath, options);
-                var declarationFilePath = options.declaration ? ts.removeFileExtension(jsFilePath) + ".d.ts" : "";
-                action({ jsFilePath: jsFilePath, sourceMapFilePath: sourceMapFilePath, declarationFilePath: declarationFilePath }, ts.createBundle(sourceFiles), emitOnlyDtsFiles);
-            }
-        }
-        else {
-            for (var _i = 0, sourceFiles_1 = sourceFiles; _i < sourceFiles_1.length; _i++) {
-                var sourceFile = sourceFiles_1[_i];
-                var jsFilePath = getOwnEmitOutputFilePath(sourceFile, host, getOutputExtension(sourceFile, options));
-                var sourceMapFilePath = getSourceMapFilePath(jsFilePath, options);
-                var declarationFilePath = !isSourceFileJavaScript(sourceFile) && (emitOnlyDtsFiles || options.declaration) ? getDeclarationEmitOutputFilePath(sourceFile, host) : undefined;
-                action({ jsFilePath: jsFilePath, sourceMapFilePath: sourceMapFilePath, declarationFilePath: declarationFilePath }, sourceFile, emitOnlyDtsFiles);
-            }
-        }
-    }
-    ts.forEachEmittedFile = forEachEmittedFile;
-    function getSourceMapFilePath(jsFilePath, options) {
-        return options.sourceMap ? jsFilePath + ".map" : undefined;
-    }
-    function getOutputExtension(sourceFile, options) {
-        if (options.jsx === 1) {
-            if (isSourceFileJavaScript(sourceFile)) {
-                if (ts.fileExtensionIs(sourceFile.fileName, ".jsx")) {
-                    return ".jsx";
-                }
-            }
-            else if (sourceFile.languageVariant === 1) {
-                return ".jsx";
-            }
-        }
-        return ".js";
-    }
     function getSourceFilePathInNewDir(sourceFile, host, newDirPath) {
         var sourceFilePath = ts.getNormalizedAbsolutePath(sourceFile.fileName, host.getCurrentDirectory());
         var commonSourceDirectory = host.getCommonSourceDirectory();
@@ -10577,7 +6885,7 @@ var ts;
         if (node.type) {
             return node.type;
         }
-        if (node.flags & 65536) {
+        if (isInJavaScriptFile(node)) {
             return getJSDocType(node);
         }
     }
@@ -10586,7 +6894,7 @@ var ts;
         if (node.type) {
             return node.type;
         }
-        if (node.flags & 65536) {
+        if (isInJavaScriptFile(node)) {
             return getJSDocReturnType(node);
         }
     }
@@ -10595,7 +6903,7 @@ var ts;
         if (node.typeParameters) {
             return node.typeParameters;
         }
-        if (node.flags & 65536) {
+        if (isInJavaScriptFile(node)) {
             var templateTag = getJSDocTemplateTag(node);
             return templateTag && templateTag.typeParameters;
         }
@@ -10655,7 +6963,7 @@ var ts;
         var currentDetachedCommentInfo;
         if (removeComments) {
             if (node.pos === 0) {
-                leadingComments = ts.filter(ts.getLeadingCommentRanges(text, node.pos), isPinnedComment);
+                leadingComments = ts.filter(ts.getLeadingCommentRanges(text, node.pos), isPinnedCommentLocal);
             }
         }
         else {
@@ -10687,9 +6995,8 @@ var ts;
             }
         }
         return currentDetachedCommentInfo;
-        function isPinnedComment(comment) {
-            return text.charCodeAt(comment.pos + 1) === 42 &&
-                text.charCodeAt(comment.pos + 2) === 33;
+        function isPinnedCommentLocal(comment) {
+            return isPinnedComment(text, comment);
         }
     }
     ts.emitDetachedComments = emitDetachedComments;
@@ -10760,9 +7067,13 @@ var ts;
     }
     ts.hasModifiers = hasModifiers;
     function hasModifier(node, flags) {
-        return (getModifierFlags(node) & flags) !== 0;
+        return !!getSelectedModifierFlags(node, flags);
     }
     ts.hasModifier = hasModifier;
+    function getSelectedModifierFlags(node, flags) {
+        return getModifierFlags(node) & flags;
+    }
+    ts.getSelectedModifierFlags = getSelectedModifierFlags;
     function getModifierFlags(node) {
         if (node.modifierFlagsCache & 536870912) {
             return node.modifierFlagsCache & ~536870912;
@@ -10838,21 +7149,6 @@ var ts;
         return false;
     }
     ts.isDestructuringAssignment = isDestructuringAssignment;
-    function isSupportedExpressionWithTypeArguments(node) {
-        return isSupportedExpressionWithTypeArgumentsRest(node.expression);
-    }
-    ts.isSupportedExpressionWithTypeArguments = isSupportedExpressionWithTypeArguments;
-    function isSupportedExpressionWithTypeArgumentsRest(node) {
-        if (node.kind === 71) {
-            return true;
-        }
-        else if (ts.isPropertyAccessExpression(node)) {
-            return isSupportedExpressionWithTypeArgumentsRest(node.expression);
-        }
-        else {
-            return false;
-        }
-    }
     function isExpressionWithTypeArgumentsInClassExtendsClause(node) {
         return tryGetClassExtendingExpressionWithTypeArguments(node) !== undefined;
     }
@@ -10965,72 +7261,6 @@ var ts;
         return carriageReturnLineFeed;
     }
     ts.getNewLineCharacter = getNewLineCharacter;
-    function isSimpleExpression(node) {
-        return isSimpleExpressionWorker(node, 0);
-    }
-    ts.isSimpleExpression = isSimpleExpression;
-    function isSimpleExpressionWorker(node, depth) {
-        if (depth <= 5) {
-            var kind = node.kind;
-            if (kind === 9
-                || kind === 8
-                || kind === 12
-                || kind === 13
-                || kind === 71
-                || kind === 99
-                || kind === 97
-                || kind === 101
-                || kind === 86
-                || kind === 95) {
-                return true;
-            }
-            else if (kind === 179) {
-                return isSimpleExpressionWorker(node.expression, depth + 1);
-            }
-            else if (kind === 180) {
-                return isSimpleExpressionWorker(node.expression, depth + 1)
-                    && isSimpleExpressionWorker(node.argumentExpression, depth + 1);
-            }
-            else if (kind === 192
-                || kind === 193) {
-                return isSimpleExpressionWorker(node.operand, depth + 1);
-            }
-            else if (kind === 194) {
-                return node.operatorToken.kind !== 40
-                    && isSimpleExpressionWorker(node.left, depth + 1)
-                    && isSimpleExpressionWorker(node.right, depth + 1);
-            }
-            else if (kind === 195) {
-                return isSimpleExpressionWorker(node.condition, depth + 1)
-                    && isSimpleExpressionWorker(node.whenTrue, depth + 1)
-                    && isSimpleExpressionWorker(node.whenFalse, depth + 1);
-            }
-            else if (kind === 190
-                || kind === 189
-                || kind === 188) {
-                return isSimpleExpressionWorker(node.expression, depth + 1);
-            }
-            else if (kind === 177) {
-                return node.elements.length === 0;
-            }
-            else if (kind === 178) {
-                return node.properties.length === 0;
-            }
-            else if (kind === 181) {
-                if (!isSimpleExpressionWorker(node.expression, depth + 1)) {
-                    return false;
-                }
-                for (var _i = 0, _a = node.arguments; _i < _a.length; _i++) {
-                    var argument = _a[_i];
-                    if (!isSimpleExpressionWorker(argument, depth + 1)) {
-                        return false;
-                    }
-                }
-                return true;
-            }
-        }
-        return false;
-    }
     function formatEnum(value, enumObject, isFlags) {
         if (value === void 0) { value = 0; }
         var members = getEnumMembers(enumObject);
@@ -11099,18 +7329,6 @@ var ts;
         return formatEnum(flags, ts.ObjectFlags, true);
     }
     ts.formatObjectFlags = formatObjectFlags;
-    function getRangePos(range) {
-        return range ? range.pos : -1;
-    }
-    ts.getRangePos = getRangePos;
-    function getRangeEnd(range) {
-        return range ? range.end : -1;
-    }
-    ts.getRangeEnd = getRangeEnd;
-    function movePos(pos, value) {
-        return ts.positionIsSynthesized(pos) ? -1 : pos + value;
-    }
-    ts.movePos = movePos;
     function createRange(pos, end) {
         return { pos: pos, end: end };
     }
@@ -11139,14 +7357,6 @@ var ts;
         return range.pos === range.end;
     }
     ts.isCollapsedRange = isCollapsedRange;
-    function collapseRangeToStart(range) {
-        return isCollapsedRange(range) ? range : moveRangeEnd(range, range.pos);
-    }
-    ts.collapseRangeToStart = collapseRangeToStart;
-    function collapseRangeToEnd(range) {
-        return isCollapsedRange(range) ? range : moveRangePos(range, range.end);
-    }
-    ts.collapseRangeToEnd = collapseRangeToEnd;
     function createTokenRange(pos, token) {
         return createRange(pos, pos + ts.tokenToString(token).length);
     }
@@ -11199,28 +7409,12 @@ var ts;
     function isInitializedVariable(node) {
         return node.initializer !== undefined;
     }
-    function isMergedWithClass(node) {
-        if (node.symbol) {
-            for (var _i = 0, _a = node.symbol.declarations; _i < _a.length; _i++) {
-                var declaration = _a[_i];
-                if (declaration.kind === 229 && declaration !== node) {
-                    return true;
-                }
-            }
-        }
-        return false;
-    }
-    ts.isMergedWithClass = isMergedWithClass;
-    function isFirstDeclarationOfKind(node, kind) {
-        return node.symbol && getDeclarationOfKind(node.symbol, kind) === node;
-    }
-    ts.isFirstDeclarationOfKind = isFirstDeclarationOfKind;
     function isWatchSet(options) {
         return options.watch && options.hasOwnProperty("watch");
     }
     ts.isWatchSet = isWatchSet;
     function getCheckFlags(symbol) {
-        return symbol.flags & 134217728 ? symbol.checkFlags : 0;
+        return symbol.flags & 33554432 ? symbol.checkFlags : 0;
     }
     ts.getCheckFlags = getCheckFlags;
     function getDeclarationModifierFlagsFromSymbol(s) {
@@ -11236,7 +7430,7 @@ var ts;
             var staticModifier = checkFlags & 512 ? 32 : 0;
             return accessModifier | staticModifier;
         }
-        if (s.flags & 16777216) {
+        if (s.flags & 4194304) {
             return 4 | 32;
         }
         return 0;
@@ -11261,6 +7455,14 @@ var ts;
         return previous[previous.length - 1];
     }
     ts.levenshtein = levenshtein;
+    function skipAlias(symbol, checker) {
+        return symbol.flags & 2097152 ? checker.getAliasedSymbol(symbol) : symbol;
+    }
+    ts.skipAlias = skipAlias;
+    function getCombinedLocalAndExportSymbolFlags(symbol) {
+        return symbol.exportSymbol ? symbol.exportSymbol.flags | symbol.flags : symbol.flags;
+    }
+    ts.getCombinedLocalAndExportSymbolFlags = getCombinedLocalAndExportSymbolFlags;
 })(ts || (ts = {}));
 (function (ts) {
     function getDefaultLibFileName(options) {
@@ -11407,6 +7609,20 @@ var ts;
         return ts.hasModifier(node, 92) && node.parent.kind === 152 && ts.isClassLike(node.parent.parent);
     }
     ts.isParameterPropertyDeclaration = isParameterPropertyDeclaration;
+    function isEmptyBindingPattern(node) {
+        if (ts.isBindingPattern(node)) {
+            return ts.every(node.elements, isEmptyBindingElement);
+        }
+        return false;
+    }
+    ts.isEmptyBindingPattern = isEmptyBindingPattern;
+    function isEmptyBindingElement(node) {
+        if (ts.isOmittedExpression(node)) {
+            return true;
+        }
+        return isEmptyBindingPattern(node.name);
+    }
+    ts.isEmptyBindingElement = isEmptyBindingElement;
     function walkUpBindingElementsAndPatterns(node) {
         while (node && (node.kind === 176 || ts.isBindingPattern(node))) {
             node = node.parent;
@@ -11516,14 +7732,22 @@ var ts;
         return undefined;
     }
     ts.getParseTreeNode = getParseTreeNode;
-    function unescapeIdentifier(identifier) {
-        return identifier.length >= 3 && identifier.charCodeAt(0) === 95 && identifier.charCodeAt(1) === 95 && identifier.charCodeAt(2) === 95 ? identifier.substr(1) : identifier;
+    function unescapeLeadingUnderscores(identifier) {
+        var id = identifier;
+        return id.length >= 3 && id.charCodeAt(0) === 95 && id.charCodeAt(1) === 95 && id.charCodeAt(2) === 95 ? id.substr(1) : id;
+    }
+    ts.unescapeLeadingUnderscores = unescapeLeadingUnderscores;
+    function unescapeIdentifier(id) {
+        return id;
     }
     ts.unescapeIdentifier = unescapeIdentifier;
     function getNameOfDeclaration(declaration) {
         if (!declaration) {
             return undefined;
         }
+        if (ts.isJSDocPropertyLikeTag(declaration) && declaration.name.kind === 143) {
+            return declaration.name.right;
+        }
         if (declaration.kind === 194) {
             var expr = declaration;
             switch (ts.getSpecialPropertyAssignmentKind(expr)) {
@@ -11751,6 +7975,13 @@ var ts;
         return node.kind === 185;
     }
     ts.isParenthesizedExpression = isParenthesizedExpression;
+    function skipPartiallyEmittedExpressions(node) {
+        while (node.kind === 288) {
+            node = node.expression;
+        }
+        return node;
+    }
+    ts.skipPartiallyEmittedExpressions = skipPartiallyEmittedExpressions;
     function isFunctionExpression(node) {
         return node.kind === 186;
     }
@@ -12087,100 +8318,72 @@ var ts;
         return node.kind === 269;
     }
     ts.isJSDocUnknownType = isJSDocUnknownType;
-    function isJSDocArrayType(node) {
-        return node.kind === 270;
-    }
-    ts.isJSDocArrayType = isJSDocArrayType;
-    function isJSDocUnionType(node) {
-        return node.kind === 271;
-    }
-    ts.isJSDocUnionType = isJSDocUnionType;
-    function isJSDocTupleType(node) {
-        return node.kind === 272;
-    }
-    ts.isJSDocTupleType = isJSDocTupleType;
     function isJSDocNullableType(node) {
-        return node.kind === 273;
+        return node.kind === 270;
     }
     ts.isJSDocNullableType = isJSDocNullableType;
     function isJSDocNonNullableType(node) {
-        return node.kind === 274;
+        return node.kind === 271;
     }
     ts.isJSDocNonNullableType = isJSDocNonNullableType;
-    function isJSDocRecordType(node) {
-        return node.kind === 275;
-    }
-    ts.isJSDocRecordType = isJSDocRecordType;
-    function isJSDocRecordMember(node) {
-        return node.kind === 276;
-    }
-    ts.isJSDocRecordMember = isJSDocRecordMember;
-    function isJSDocTypeReference(node) {
-        return node.kind === 277;
-    }
-    ts.isJSDocTypeReference = isJSDocTypeReference;
     function isJSDocOptionalType(node) {
-        return node.kind === 278;
+        return node.kind === 272;
     }
     ts.isJSDocOptionalType = isJSDocOptionalType;
     function isJSDocFunctionType(node) {
-        return node.kind === 279;
+        return node.kind === 273;
     }
     ts.isJSDocFunctionType = isJSDocFunctionType;
     function isJSDocVariadicType(node) {
-        return node.kind === 280;
+        return node.kind === 274;
     }
     ts.isJSDocVariadicType = isJSDocVariadicType;
-    function isJSDocConstructorType(node) {
-        return node.kind === 281;
-    }
-    ts.isJSDocConstructorType = isJSDocConstructorType;
-    function isJSDocThisType(node) {
-        return node.kind === 282;
-    }
-    ts.isJSDocThisType = isJSDocThisType;
     function isJSDoc(node) {
-        return node.kind === 283;
+        return node.kind === 275;
     }
     ts.isJSDoc = isJSDoc;
     function isJSDocAugmentsTag(node) {
-        return node.kind === 285;
+        return node.kind === 277;
     }
     ts.isJSDocAugmentsTag = isJSDocAugmentsTag;
     function isJSDocParameterTag(node) {
-        return node.kind === 287;
+        return node.kind === 279;
     }
     ts.isJSDocParameterTag = isJSDocParameterTag;
     function isJSDocReturnTag(node) {
-        return node.kind === 288;
+        return node.kind === 280;
     }
     ts.isJSDocReturnTag = isJSDocReturnTag;
     function isJSDocTypeTag(node) {
-        return node.kind === 289;
+        return node.kind === 281;
     }
     ts.isJSDocTypeTag = isJSDocTypeTag;
     function isJSDocTemplateTag(node) {
-        return node.kind === 290;
+        return node.kind === 282;
     }
     ts.isJSDocTemplateTag = isJSDocTemplateTag;
     function isJSDocTypedefTag(node) {
-        return node.kind === 291;
+        return node.kind === 283;
     }
     ts.isJSDocTypedefTag = isJSDocTypedefTag;
     function isJSDocPropertyTag(node) {
-        return node.kind === 292;
+        return node.kind === 284;
     }
     ts.isJSDocPropertyTag = isJSDocPropertyTag;
+    function isJSDocPropertyLikeTag(node) {
+        return node.kind === 284 || node.kind === 279;
+    }
+    ts.isJSDocPropertyLikeTag = isJSDocPropertyLikeTag;
     function isJSDocTypeLiteral(node) {
-        return node.kind === 293;
+        return node.kind === 285;
     }
     ts.isJSDocTypeLiteral = isJSDocTypeLiteral;
-    function isJSDocLiteralType(node) {
-        return node.kind === 294;
-    }
-    ts.isJSDocLiteralType = isJSDocLiteralType;
 })(ts || (ts = {}));
 (function (ts) {
+    function isSyntaxList(n) {
+        return n.kind === 286;
+    }
+    ts.isSyntaxList = isSyntaxList;
     function isNode(node) {
         return isNodeKind(node.kind);
     }
@@ -12194,8 +8397,7 @@ var ts;
     }
     ts.isToken = isToken;
     function isNodeArray(array) {
-        return array.hasOwnProperty("pos")
-            && array.hasOwnProperty("end");
+        return array.hasOwnProperty("pos") && array.hasOwnProperty("end");
     }
     ts.isNodeArray = isNodeArray;
     function isLiteralKind(kind) {
@@ -12216,6 +8418,19 @@ var ts;
             || kind === 16;
     }
     ts.isTemplateMiddleOrTemplateTail = isTemplateMiddleOrTemplateTail;
+    function isStringTextContainingNode(node) {
+        switch (node.kind) {
+            case 9:
+            case 14:
+            case 15:
+            case 16:
+            case 13:
+                return true;
+            default:
+                return false;
+        }
+    }
+    ts.isStringTextContainingNode = isStringTextContainingNode;
     function isGeneratedIdentifier(node) {
         return ts.isIdentifier(node) && node.autoGenerateKind > 0;
     }
@@ -12281,6 +8496,7 @@ var ts;
             case 156:
             case 157:
             case 160:
+            case 273:
             case 161:
                 return true;
         }
@@ -12464,6 +8680,7 @@ var ts;
             || kind === 99
             || kind === 101
             || kind === 97
+            || kind === 91
             || kind === 203
             || kind === 204;
     }
@@ -12485,6 +8702,18 @@ var ts;
         return isUnaryExpressionKind(ts.skipPartiallyEmittedExpressions(node).kind);
     }
     ts.isUnaryExpression = isUnaryExpression;
+    function isUnaryExpressionWithWrite(expr) {
+        switch (expr.kind) {
+            case 193:
+                return true;
+            case 192:
+                return expr.operator === 43 ||
+                    expr.operator === 44;
+            default:
+                return false;
+        }
+    }
+    ts.isUnaryExpressionWithWrite = isUnaryExpressionWithWrite;
     function isExpressionKind(kind) {
         return kind === 195
             || kind === 197
@@ -12493,7 +8722,7 @@ var ts;
             || kind === 198
             || kind === 202
             || kind === 200
-            || kind === 298
+            || kind === 289
             || isUnaryExpressionKind(kind);
     }
     function isExpression(node) {
@@ -12507,11 +8736,11 @@ var ts;
     }
     ts.isAssertionExpression = isAssertionExpression;
     function isPartiallyEmittedExpression(node) {
-        return node.kind === 297;
+        return node.kind === 288;
     }
     ts.isPartiallyEmittedExpression = isPartiallyEmittedExpression;
     function isNotEmittedStatement(node) {
-        return node.kind === 296;
+        return node.kind === 287;
     }
     ts.isNotEmittedStatement = isNotEmittedStatement;
     function isNotEmittedOrPartiallyEmittedNode(node) {
@@ -12611,7 +8840,7 @@ var ts;
             || kind === 231
             || kind === 145
             || kind === 226
-            || kind === 291;
+            || kind === 283;
     }
     function isDeclarationStatementKind(kind) {
         return kind === 228
@@ -12646,13 +8875,13 @@ var ts;
             || kind === 208
             || kind === 213
             || kind === 220
-            || kind === 296
-            || kind === 300
-            || kind === 299;
+            || kind === 287
+            || kind === 291
+            || kind === 290;
     }
     function isDeclaration(node) {
         if (node.kind === 145) {
-            return node.parent.kind !== 290 || ts.isInJavaScriptFile(node);
+            return node.parent.kind !== 282 || ts.isInJavaScriptFile(node);
         }
         return isDeclarationKind(node.kind);
     }
@@ -12669,9 +8898,19 @@ var ts;
         var kind = node.kind;
         return isStatementKindButNotDeclarationKind(kind)
             || isDeclarationStatementKind(kind)
-            || kind === 207;
+            || isBlockStatement(node);
     }
     ts.isStatement = isStatement;
+    function isBlockStatement(node) {
+        if (node.kind !== 207)
+            return false;
+        if (node.parent !== undefined) {
+            if (node.parent.kind === 224 || node.parent.kind === 260) {
+                return false;
+            }
+        }
+        return !ts.isFunctionBlock(node);
+    }
     function isModuleReference(node) {
         var kind = node.kind;
         return kind === 248
@@ -12719,3558 +8958,1626 @@ var ts;
     }
     ts.isCaseOrDefaultClause = isCaseOrDefaultClause;
     function isJSDocNode(node) {
-        return node.kind >= 267 && node.kind <= 294;
+        return node.kind >= 267 && node.kind <= 285;
     }
     ts.isJSDocNode = isJSDocNode;
     function isJSDocCommentContainingNode(node) {
-        return node.kind === 283 || isJSDocTag(node);
+        return node.kind === 275 || isJSDocTag(node);
     }
     ts.isJSDocCommentContainingNode = isJSDocCommentContainingNode;
     function isJSDocTag(node) {
-        return node.kind >= 284 && node.kind <= 294;
+        return node.kind >= 276 && node.kind <= 285;
     }
     ts.isJSDocTag = isJSDocTag;
 })(ts || (ts = {}));
 var ts;
 (function (ts) {
-    function createSynthesizedNode(kind) {
-        var node = ts.createNode(kind, -1, -1);
-        node.flags |= 8;
-        return node;
-    }
-    function updateNode(updated, original) {
-        if (updated !== original) {
-            setOriginalNode(updated, original);
-            setTextRange(updated, original);
-            if (original.startsOnNewLine) {
-                updated.startsOnNewLine = true;
-            }
-            ts.aggregateTransformFlags(updated);
-        }
-        return updated;
-    }
-    ts.updateNode = updateNode;
-    function createNodeArray(elements, hasTrailingComma) {
-        if (elements) {
-            if (ts.isNodeArray(elements)) {
-                return elements;
-            }
-        }
-        else {
-            elements = [];
-        }
-        var array = elements;
-        array.pos = -1;
-        array.end = -1;
-        array.hasTrailingComma = hasTrailingComma;
-        return array;
-    }
-    ts.createNodeArray = createNodeArray;
-    function getSynthesizedClone(node) {
-        var clone = createSynthesizedNode(node.kind);
-        clone.flags |= node.flags;
-        setOriginalNode(clone, node);
-        for (var key in node) {
-            if (clone.hasOwnProperty(key) || !node.hasOwnProperty(key)) {
-                continue;
-            }
-            clone[key] = node[key];
-        }
-        return clone;
-    }
-    ts.getSynthesizedClone = getSynthesizedClone;
-    function createLiteral(value) {
-        if (typeof value === "number") {
-            return createNumericLiteral(value + "");
-        }
-        if (typeof value === "boolean") {
-            return value ? createTrue() : createFalse();
-        }
-        if (typeof value === "string") {
-            return createStringLiteral(value);
-        }
-        return createLiteralFromNode(value);
-    }
-    ts.createLiteral = createLiteral;
-    function createNumericLiteral(value) {
-        var node = createSynthesizedNode(8);
-        node.text = value;
-        node.numericLiteralFlags = 0;
-        return node;
-    }
-    ts.createNumericLiteral = createNumericLiteral;
-    function createStringLiteral(text) {
-        var node = createSynthesizedNode(9);
-        node.text = text;
-        return node;
-    }
-    function createLiteralFromNode(sourceNode) {
-        var node = createStringLiteral(sourceNode.text);
-        node.textSourceNode = sourceNode;
-        return node;
-    }
-    function createIdentifier(text, typeArguments) {
-        var node = createSynthesizedNode(71);
-        node.text = ts.escapeIdentifier(text);
-        node.originalKeywordKind = text ? ts.stringToToken(text) : 0;
-        node.autoGenerateKind = 0;
-        node.autoGenerateId = 0;
-        if (typeArguments) {
-            node.typeArguments = createNodeArray(typeArguments);
-        }
-        return node;
-    }
-    ts.createIdentifier = createIdentifier;
-    function updateIdentifier(node, typeArguments) {
-        return node.typeArguments !== typeArguments
-            ? updateNode(createIdentifier(node.text, typeArguments), node)
-            : node;
-    }
-    ts.updateIdentifier = updateIdentifier;
-    var nextAutoGenerateId = 0;
-    function createTempVariable(recordTempVariable) {
-        var name = createIdentifier("");
-        name.autoGenerateKind = 1;
-        name.autoGenerateId = nextAutoGenerateId;
-        nextAutoGenerateId++;
-        if (recordTempVariable) {
-            recordTempVariable(name);
-        }
-        return name;
-    }
-    ts.createTempVariable = createTempVariable;
-    function createLoopVariable() {
-        var name = createIdentifier("");
-        name.autoGenerateKind = 2;
-        name.autoGenerateId = nextAutoGenerateId;
-        nextAutoGenerateId++;
-        return name;
-    }
-    ts.createLoopVariable = createLoopVariable;
-    function createUniqueName(text) {
-        var name = createIdentifier(text);
-        name.autoGenerateKind = 3;
-        name.autoGenerateId = nextAutoGenerateId;
-        nextAutoGenerateId++;
-        return name;
-    }
-    ts.createUniqueName = createUniqueName;
-    function getGeneratedNameForNode(node) {
-        var name = createIdentifier("");
-        name.autoGenerateKind = 4;
-        name.autoGenerateId = nextAutoGenerateId;
-        name.original = node;
-        nextAutoGenerateId++;
-        return name;
-    }
-    ts.getGeneratedNameForNode = getGeneratedNameForNode;
-    function createToken(token) {
-        return createSynthesizedNode(token);
-    }
-    ts.createToken = createToken;
-    function createSuper() {
-        return createSynthesizedNode(97);
-    }
-    ts.createSuper = createSuper;
-    function createThis() {
-        return createSynthesizedNode(99);
-    }
-    ts.createThis = createThis;
-    function createNull() {
-        return createSynthesizedNode(95);
-    }
-    ts.createNull = createNull;
-    function createTrue() {
-        return createSynthesizedNode(101);
-    }
-    ts.createTrue = createTrue;
-    function createFalse() {
-        return createSynthesizedNode(86);
-    }
-    ts.createFalse = createFalse;
-    function createQualifiedName(left, right) {
-        var node = createSynthesizedNode(143);
-        node.left = left;
-        node.right = asName(right);
-        return node;
-    }
-    ts.createQualifiedName = createQualifiedName;
-    function updateQualifiedName(node, left, right) {
-        return node.left !== left
-            || node.right !== right
-            ? updateNode(createQualifiedName(left, right), node)
-            : node;
-    }
-    ts.updateQualifiedName = updateQualifiedName;
-    function createComputedPropertyName(expression) {
-        var node = createSynthesizedNode(144);
-        node.expression = expression;
-        return node;
-    }
-    ts.createComputedPropertyName = createComputedPropertyName;
-    function updateComputedPropertyName(node, expression) {
-        return node.expression !== expression
-            ? updateNode(createComputedPropertyName(expression), node)
-            : node;
-    }
-    ts.updateComputedPropertyName = updateComputedPropertyName;
-    function createTypeParameterDeclaration(name, constraint, defaultType) {
-        var node = createSynthesizedNode(145);
-        node.name = asName(name);
-        node.constraint = constraint;
-        node.default = defaultType;
-        return node;
-    }
-    ts.createTypeParameterDeclaration = createTypeParameterDeclaration;
-    function updateTypeParameterDeclaration(node, name, constraint, defaultType) {
-        return node.name !== name
-            || node.constraint !== constraint
-            || node.default !== defaultType
-            ? updateNode(createTypeParameterDeclaration(name, constraint, defaultType), node)
-            : node;
-    }
-    ts.updateTypeParameterDeclaration = updateTypeParameterDeclaration;
-    function createParameter(decorators, modifiers, dotDotDotToken, name, questionToken, type, initializer) {
-        var node = createSynthesizedNode(146);
-        node.decorators = asNodeArray(decorators);
-        node.modifiers = asNodeArray(modifiers);
-        node.dotDotDotToken = dotDotDotToken;
-        node.name = asName(name);
-        node.questionToken = questionToken;
-        node.type = type;
-        node.initializer = initializer ? ts.parenthesizeExpressionForList(initializer) : undefined;
-        return node;
-    }
-    ts.createParameter = createParameter;
-    function updateParameter(node, decorators, modifiers, dotDotDotToken, name, questionToken, type, initializer) {
-        return node.decorators !== decorators
-            || node.modifiers !== modifiers
-            || node.dotDotDotToken !== dotDotDotToken
-            || node.name !== name
-            || node.questionToken !== questionToken
-            || node.type !== type
-            || node.initializer !== initializer
-            ? updateNode(createParameter(decorators, modifiers, dotDotDotToken, name, node.questionToken, type, initializer), node)
-            : node;
-    }
-    ts.updateParameter = updateParameter;
-    function createDecorator(expression) {
-        var node = createSynthesizedNode(147);
-        node.expression = ts.parenthesizeForAccess(expression);
-        return node;
-    }
-    ts.createDecorator = createDecorator;
-    function updateDecorator(node, expression) {
-        return node.expression !== expression
-            ? updateNode(createDecorator(expression), node)
-            : node;
-    }
-    ts.updateDecorator = updateDecorator;
-    function createPropertySignature(modifiers, name, questionToken, type, initializer) {
-        var node = createSynthesizedNode(148);
-        node.modifiers = asNodeArray(modifiers);
-        node.name = asName(name);
-        node.questionToken = questionToken;
-        node.type = type;
-        node.initializer = initializer;
-        return node;
-    }
-    ts.createPropertySignature = createPropertySignature;
-    function updatePropertySignature(node, modifiers, name, questionToken, type, initializer) {
-        return node.modifiers !== modifiers
-            || node.name !== name
-            || node.questionToken !== questionToken
-            || node.type !== type
-            || node.initializer !== initializer
-            ? updateNode(createPropertySignature(modifiers, name, questionToken, type, initializer), node)
-            : node;
-    }
-    ts.updatePropertySignature = updatePropertySignature;
-    function createProperty(decorators, modifiers, name, questionToken, type, initializer) {
-        var node = createSynthesizedNode(149);
-        node.decorators = asNodeArray(decorators);
-        node.modifiers = asNodeArray(modifiers);
-        node.name = asName(name);
-        node.questionToken = questionToken;
-        node.type = type;
-        node.initializer = initializer;
-        return node;
-    }
-    ts.createProperty = createProperty;
-    function updateProperty(node, decorators, modifiers, name, type, initializer) {
-        return node.decorators !== decorators
-            || node.modifiers !== modifiers
-            || node.name !== name
-            || node.type !== type
-            || node.initializer !== initializer
-            ? updateNode(createProperty(decorators, modifiers, name, node.questionToken, type, initializer), node)
-            : node;
-    }
-    ts.updateProperty = updateProperty;
-    function createMethodSignature(typeParameters, parameters, type, name, questionToken) {
-        var node = createSignatureDeclaration(150, typeParameters, parameters, type);
-        node.name = asName(name);
-        node.questionToken = questionToken;
-        return node;
-    }
-    ts.createMethodSignature = createMethodSignature;
-    function updateMethodSignature(node, typeParameters, parameters, type, name, questionToken) {
-        return node.typeParameters !== typeParameters
-            || node.parameters !== parameters
-            || node.type !== type
-            || node.name !== name
-            || node.questionToken !== questionToken
-            ? updateNode(createMethodSignature(typeParameters, parameters, type, name, questionToken), node)
-            : node;
-    }
-    ts.updateMethodSignature = updateMethodSignature;
-    function createMethod(decorators, modifiers, asteriskToken, name, questionToken, typeParameters, parameters, type, body) {
-        var node = createSynthesizedNode(151);
-        node.decorators = asNodeArray(decorators);
-        node.modifiers = asNodeArray(modifiers);
-        node.asteriskToken = asteriskToken;
-        node.name = asName(name);
-        node.questionToken = questionToken;
-        node.typeParameters = asNodeArray(typeParameters);
-        node.parameters = createNodeArray(parameters);
-        node.type = type;
-        node.body = body;
-        return node;
-    }
-    ts.createMethod = createMethod;
-    function updateMethod(node, decorators, modifiers, asteriskToken, name, questionToken, typeParameters, parameters, type, body) {
-        return node.decorators !== decorators
-            || node.modifiers !== modifiers
-            || node.asteriskToken !== asteriskToken
-            || node.name !== name
-            || node.typeParameters !== typeParameters
-            || node.parameters !== parameters
-            || node.type !== type
-            || node.body !== body
-            ? updateNode(createMethod(decorators, modifiers, asteriskToken, name, questionToken, typeParameters, parameters, type, body), node)
-            : node;
-    }
-    ts.updateMethod = updateMethod;
-    function createConstructor(decorators, modifiers, parameters, body) {
-        var node = createSynthesizedNode(152);
-        node.decorators = asNodeArray(decorators);
-        node.modifiers = asNodeArray(modifiers);
-        node.typeParameters = undefined;
-        node.parameters = createNodeArray(parameters);
-        node.type = undefined;
-        node.body = body;
-        return node;
-    }
-    ts.createConstructor = createConstructor;
-    function updateConstructor(node, decorators, modifiers, parameters, body) {
-        return node.decorators !== decorators
-            || node.modifiers !== modifiers
-            || node.parameters !== parameters
-            || node.body !== body
-            ? updateNode(createConstructor(decorators, modifiers, parameters, body), node)
-            : node;
-    }
-    ts.updateConstructor = updateConstructor;
-    function createGetAccessor(decorators, modifiers, name, parameters, type, body) {
-        var node = createSynthesizedNode(153);
-        node.decorators = asNodeArray(decorators);
-        node.modifiers = asNodeArray(modifiers);
-        node.name = asName(name);
-        node.typeParameters = undefined;
-        node.parameters = createNodeArray(parameters);
-        node.type = type;
-        node.body = body;
-        return node;
-    }
-    ts.createGetAccessor = createGetAccessor;
-    function updateGetAccessor(node, decorators, modifiers, name, parameters, type, body) {
-        return node.decorators !== decorators
-            || node.modifiers !== modifiers
-            || node.name !== name
-            || node.parameters !== parameters
-            || node.type !== type
-            || node.body !== body
-            ? updateNode(createGetAccessor(decorators, modifiers, name, parameters, type, body), node)
-            : node;
-    }
-    ts.updateGetAccessor = updateGetAccessor;
-    function createSetAccessor(decorators, modifiers, name, parameters, body) {
-        var node = createSynthesizedNode(154);
-        node.decorators = asNodeArray(decorators);
-        node.modifiers = asNodeArray(modifiers);
-        node.name = asName(name);
-        node.typeParameters = undefined;
-        node.parameters = createNodeArray(parameters);
-        node.body = body;
-        return node;
-    }
-    ts.createSetAccessor = createSetAccessor;
-    function updateSetAccessor(node, decorators, modifiers, name, parameters, body) {
-        return node.decorators !== decorators
-            || node.modifiers !== modifiers
-            || node.name !== name
-            || node.parameters !== parameters
-            || node.body !== body
-            ? updateNode(createSetAccessor(decorators, modifiers, name, parameters, body), node)
-            : node;
-    }
-    ts.updateSetAccessor = updateSetAccessor;
-    function createCallSignature(typeParameters, parameters, type) {
-        return createSignatureDeclaration(155, typeParameters, parameters, type);
-    }
-    ts.createCallSignature = createCallSignature;
-    function updateCallSignature(node, typeParameters, parameters, type) {
-        return updateSignatureDeclaration(node, typeParameters, parameters, type);
-    }
-    ts.updateCallSignature = updateCallSignature;
-    function createConstructSignature(typeParameters, parameters, type) {
-        return createSignatureDeclaration(156, typeParameters, parameters, type);
-    }
-    ts.createConstructSignature = createConstructSignature;
-    function updateConstructSignature(node, typeParameters, parameters, type) {
-        return updateSignatureDeclaration(node, typeParameters, parameters, type);
-    }
-    ts.updateConstructSignature = updateConstructSignature;
-    function createIndexSignature(decorators, modifiers, parameters, type) {
-        var node = createSynthesizedNode(157);
-        node.decorators = asNodeArray(decorators);
-        node.modifiers = asNodeArray(modifiers);
-        node.parameters = createNodeArray(parameters);
-        node.type = type;
-        return node;
-    }
-    ts.createIndexSignature = createIndexSignature;
-    function updateIndexSignature(node, decorators, modifiers, parameters, type) {
-        return node.parameters !== parameters
-            || node.type !== type
-            || node.decorators !== decorators
-            || node.modifiers !== modifiers
-            ? updateNode(createIndexSignature(decorators, modifiers, parameters, type), node)
-            : node;
-    }
-    ts.updateIndexSignature = updateIndexSignature;
-    function createSignatureDeclaration(kind, typeParameters, parameters, type) {
-        var node = createSynthesizedNode(kind);
-        node.typeParameters = asNodeArray(typeParameters);
-        node.parameters = asNodeArray(parameters);
-        node.type = type;
-        return node;
-    }
-    ts.createSignatureDeclaration = createSignatureDeclaration;
-    function updateSignatureDeclaration(node, typeParameters, parameters, type) {
-        return node.typeParameters !== typeParameters
-            || node.parameters !== parameters
-            || node.type !== type
-            ? updateNode(createSignatureDeclaration(node.kind, typeParameters, parameters, type), node)
-            : node;
-    }
-    function createKeywordTypeNode(kind) {
-        return createSynthesizedNode(kind);
-    }
-    ts.createKeywordTypeNode = createKeywordTypeNode;
-    function createTypePredicateNode(parameterName, type) {
-        var node = createSynthesizedNode(158);
-        node.parameterName = asName(parameterName);
-        node.type = type;
-        return node;
-    }
-    ts.createTypePredicateNode = createTypePredicateNode;
-    function updateTypePredicateNode(node, parameterName, type) {
-        return node.parameterName !== parameterName
-            || node.type !== type
-            ? updateNode(createTypePredicateNode(parameterName, type), node)
-            : node;
-    }
-    ts.updateTypePredicateNode = updateTypePredicateNode;
-    function createTypeReferenceNode(typeName, typeArguments) {
-        var node = createSynthesizedNode(159);
-        node.typeName = asName(typeName);
-        node.typeArguments = typeArguments && ts.parenthesizeTypeParameters(typeArguments);
-        return node;
-    }
-    ts.createTypeReferenceNode = createTypeReferenceNode;
-    function updateTypeReferenceNode(node, typeName, typeArguments) {
-        return node.typeName !== typeName
-            || node.typeArguments !== typeArguments
-            ? updateNode(createTypeReferenceNode(typeName, typeArguments), node)
-            : node;
-    }
-    ts.updateTypeReferenceNode = updateTypeReferenceNode;
-    function createFunctionTypeNode(typeParameters, parameters, type) {
-        return createSignatureDeclaration(160, typeParameters, parameters, type);
-    }
-    ts.createFunctionTypeNode = createFunctionTypeNode;
-    function updateFunctionTypeNode(node, typeParameters, parameters, type) {
-        return updateSignatureDeclaration(node, typeParameters, parameters, type);
-    }
-    ts.updateFunctionTypeNode = updateFunctionTypeNode;
-    function createConstructorTypeNode(typeParameters, parameters, type) {
-        return createSignatureDeclaration(161, typeParameters, parameters, type);
-    }
-    ts.createConstructorTypeNode = createConstructorTypeNode;
-    function updateConstructorTypeNode(node, typeParameters, parameters, type) {
-        return updateSignatureDeclaration(node, typeParameters, parameters, type);
-    }
-    ts.updateConstructorTypeNode = updateConstructorTypeNode;
-    function createTypeQueryNode(exprName) {
-        var node = createSynthesizedNode(162);
-        node.exprName = exprName;
-        return node;
-    }
-    ts.createTypeQueryNode = createTypeQueryNode;
-    function updateTypeQueryNode(node, exprName) {
-        return node.exprName !== exprName
-            ? updateNode(createTypeQueryNode(exprName), node)
-            : node;
-    }
-    ts.updateTypeQueryNode = updateTypeQueryNode;
-    function createTypeLiteralNode(members) {
-        var node = createSynthesizedNode(163);
-        node.members = createNodeArray(members);
-        return node;
-    }
-    ts.createTypeLiteralNode = createTypeLiteralNode;
-    function updateTypeLiteralNode(node, members) {
-        return node.members !== members
-            ? updateNode(createTypeLiteralNode(members), node)
-            : node;
-    }
-    ts.updateTypeLiteralNode = updateTypeLiteralNode;
-    function createArrayTypeNode(elementType) {
-        var node = createSynthesizedNode(164);
-        node.elementType = ts.parenthesizeElementTypeMember(elementType);
-        return node;
-    }
-    ts.createArrayTypeNode = createArrayTypeNode;
-    function updateArrayTypeNode(node, elementType) {
-        return node.elementType !== elementType
-            ? updateNode(createArrayTypeNode(elementType), node)
-            : node;
-    }
-    ts.updateArrayTypeNode = updateArrayTypeNode;
-    function createTupleTypeNode(elementTypes) {
-        var node = createSynthesizedNode(165);
-        node.elementTypes = createNodeArray(elementTypes);
-        return node;
-    }
-    ts.createTupleTypeNode = createTupleTypeNode;
-    function updateTypleTypeNode(node, elementTypes) {
-        return node.elementTypes !== elementTypes
-            ? updateNode(createTupleTypeNode(elementTypes), node)
-            : node;
-    }
-    ts.updateTypleTypeNode = updateTypleTypeNode;
-    function createUnionTypeNode(types) {
-        return createUnionOrIntersectionTypeNode(166, types);
-    }
-    ts.createUnionTypeNode = createUnionTypeNode;
-    function updateUnionTypeNode(node, types) {
-        return updateUnionOrIntersectionTypeNode(node, types);
-    }
-    ts.updateUnionTypeNode = updateUnionTypeNode;
-    function createIntersectionTypeNode(types) {
-        return createUnionOrIntersectionTypeNode(167, types);
-    }
-    ts.createIntersectionTypeNode = createIntersectionTypeNode;
-    function updateIntersectionTypeNode(node, types) {
-        return updateUnionOrIntersectionTypeNode(node, types);
-    }
-    ts.updateIntersectionTypeNode = updateIntersectionTypeNode;
-    function createUnionOrIntersectionTypeNode(kind, types) {
-        var node = createSynthesizedNode(kind);
-        node.types = ts.parenthesizeElementTypeMembers(types);
-        return node;
-    }
-    ts.createUnionOrIntersectionTypeNode = createUnionOrIntersectionTypeNode;
-    function updateUnionOrIntersectionTypeNode(node, types) {
-        return node.types !== types
-            ? updateNode(createUnionOrIntersectionTypeNode(node.kind, types), node)
-            : node;
-    }
-    function createParenthesizedType(type) {
-        var node = createSynthesizedNode(168);
-        node.type = type;
-        return node;
-    }
-    ts.createParenthesizedType = createParenthesizedType;
-    function updateParenthesizedType(node, type) {
-        return node.type !== type
-            ? updateNode(createParenthesizedType(type), node)
-            : node;
-    }
-    ts.updateParenthesizedType = updateParenthesizedType;
-    function createThisTypeNode() {
-        return createSynthesizedNode(169);
-    }
-    ts.createThisTypeNode = createThisTypeNode;
-    function createTypeOperatorNode(type) {
-        var node = createSynthesizedNode(170);
-        node.operator = 127;
-        node.type = ts.parenthesizeElementTypeMember(type);
-        return node;
-    }
-    ts.createTypeOperatorNode = createTypeOperatorNode;
-    function updateTypeOperatorNode(node, type) {
-        return node.type !== type ? updateNode(createTypeOperatorNode(type), node) : node;
-    }
-    ts.updateTypeOperatorNode = updateTypeOperatorNode;
-    function createIndexedAccessTypeNode(objectType, indexType) {
-        var node = createSynthesizedNode(171);
-        node.objectType = ts.parenthesizeElementTypeMember(objectType);
-        node.indexType = indexType;
-        return node;
-    }
-    ts.createIndexedAccessTypeNode = createIndexedAccessTypeNode;
-    function updateIndexedAccessTypeNode(node, objectType, indexType) {
-        return node.objectType !== objectType
-            || node.indexType !== indexType
-            ? updateNode(createIndexedAccessTypeNode(objectType, indexType), node)
-            : node;
-    }
-    ts.updateIndexedAccessTypeNode = updateIndexedAccessTypeNode;
-    function createMappedTypeNode(readonlyToken, typeParameter, questionToken, type) {
-        var node = createSynthesizedNode(172);
-        node.readonlyToken = readonlyToken;
-        node.typeParameter = typeParameter;
-        node.questionToken = questionToken;
-        node.type = type;
-        return node;
-    }
-    ts.createMappedTypeNode = createMappedTypeNode;
-    function updateMappedTypeNode(node, readonlyToken, typeParameter, questionToken, type) {
-        return node.readonlyToken !== readonlyToken
-            || node.typeParameter !== typeParameter
-            || node.questionToken !== questionToken
-            || node.type !== type
-            ? updateNode(createMappedTypeNode(readonlyToken, typeParameter, questionToken, type), node)
-            : node;
-    }
-    ts.updateMappedTypeNode = updateMappedTypeNode;
-    function createLiteralTypeNode(literal) {
-        var node = createSynthesizedNode(173);
-        node.literal = literal;
-        return node;
-    }
-    ts.createLiteralTypeNode = createLiteralTypeNode;
-    function updateLiteralTypeNode(node, literal) {
-        return node.literal !== literal
-            ? updateNode(createLiteralTypeNode(literal), node)
-            : node;
-    }
-    ts.updateLiteralTypeNode = updateLiteralTypeNode;
-    function createObjectBindingPattern(elements) {
-        var node = createSynthesizedNode(174);
-        node.elements = createNodeArray(elements);
-        return node;
-    }
-    ts.createObjectBindingPattern = createObjectBindingPattern;
-    function updateObjectBindingPattern(node, elements) {
-        return node.elements !== elements
-            ? updateNode(createObjectBindingPattern(elements), node)
-            : node;
-    }
-    ts.updateObjectBindingPattern = updateObjectBindingPattern;
-    function createArrayBindingPattern(elements) {
-        var node = createSynthesizedNode(175);
-        node.elements = createNodeArray(elements);
-        return node;
-    }
-    ts.createArrayBindingPattern = createArrayBindingPattern;
-    function updateArrayBindingPattern(node, elements) {
-        return node.elements !== elements
-            ? updateNode(createArrayBindingPattern(elements), node)
-            : node;
-    }
-    ts.updateArrayBindingPattern = updateArrayBindingPattern;
-    function createBindingElement(dotDotDotToken, propertyName, name, initializer) {
-        var node = createSynthesizedNode(176);
-        node.dotDotDotToken = dotDotDotToken;
-        node.propertyName = asName(propertyName);
-        node.name = asName(name);
-        node.initializer = initializer;
-        return node;
-    }
-    ts.createBindingElement = createBindingElement;
-    function updateBindingElement(node, dotDotDotToken, propertyName, name, initializer) {
-        return node.propertyName !== propertyName
-            || node.dotDotDotToken !== dotDotDotToken
-            || node.name !== name
-            || node.initializer !== initializer
-            ? updateNode(createBindingElement(dotDotDotToken, propertyName, name, initializer), node)
-            : node;
-    }
-    ts.updateBindingElement = updateBindingElement;
-    function createArrayLiteral(elements, multiLine) {
-        var node = createSynthesizedNode(177);
-        node.elements = ts.parenthesizeListElements(createNodeArray(elements));
-        if (multiLine)
-            node.multiLine = true;
-        return node;
-    }
-    ts.createArrayLiteral = createArrayLiteral;
-    function updateArrayLiteral(node, elements) {
-        return node.elements !== elements
-            ? updateNode(createArrayLiteral(elements, node.multiLine), node)
-            : node;
-    }
-    ts.updateArrayLiteral = updateArrayLiteral;
-    function createObjectLiteral(properties, multiLine) {
-        var node = createSynthesizedNode(178);
-        node.properties = createNodeArray(properties);
-        if (multiLine)
-            node.multiLine = true;
-        return node;
-    }
-    ts.createObjectLiteral = createObjectLiteral;
-    function updateObjectLiteral(node, properties) {
-        return node.properties !== properties
-            ? updateNode(createObjectLiteral(properties, node.multiLine), node)
-            : node;
-    }
-    ts.updateObjectLiteral = updateObjectLiteral;
-    function createPropertyAccess(expression, name) {
-        var node = createSynthesizedNode(179);
-        node.expression = ts.parenthesizeForAccess(expression);
-        node.name = asName(name);
-        setEmitFlags(node, 131072);
-        return node;
-    }
-    ts.createPropertyAccess = createPropertyAccess;
-    function updatePropertyAccess(node, expression, name) {
-        return node.expression !== expression
-            || node.name !== name
-            ? updateNode(setEmitFlags(createPropertyAccess(expression, name), getEmitFlags(node)), node)
-            : node;
-    }
-    ts.updatePropertyAccess = updatePropertyAccess;
-    function createElementAccess(expression, index) {
-        var node = createSynthesizedNode(180);
-        node.expression = ts.parenthesizeForAccess(expression);
-        node.argumentExpression = asExpression(index);
-        return node;
-    }
-    ts.createElementAccess = createElementAccess;
-    function updateElementAccess(node, expression, argumentExpression) {
-        return node.expression !== expression
-            || node.argumentExpression !== argumentExpression
-            ? updateNode(createElementAccess(expression, argumentExpression), node)
-            : node;
-    }
-    ts.updateElementAccess = updateElementAccess;
-    function createCall(expression, typeArguments, argumentsArray) {
-        var node = createSynthesizedNode(181);
-        node.expression = ts.parenthesizeForAccess(expression);
-        node.typeArguments = asNodeArray(typeArguments);
-        node.arguments = ts.parenthesizeListElements(createNodeArray(argumentsArray));
-        return node;
-    }
-    ts.createCall = createCall;
-    function updateCall(node, expression, typeArguments, argumentsArray) {
-        return node.expression !== expression
-            || node.typeArguments !== typeArguments
-            || node.arguments !== argumentsArray
-            ? updateNode(createCall(expression, typeArguments, argumentsArray), node)
-            : node;
-    }
-    ts.updateCall = updateCall;
-    function createNew(expression, typeArguments, argumentsArray) {
-        var node = createSynthesizedNode(182);
-        node.expression = ts.parenthesizeForNew(expression);
-        node.typeArguments = asNodeArray(typeArguments);
-        node.arguments = argumentsArray ? ts.parenthesizeListElements(createNodeArray(argumentsArray)) : undefined;
-        return node;
-    }
-    ts.createNew = createNew;
-    function updateNew(node, expression, typeArguments, argumentsArray) {
-        return node.expression !== expression
-            || node.typeArguments !== typeArguments
-            || node.arguments !== argumentsArray
-            ? updateNode(createNew(expression, typeArguments, argumentsArray), node)
-            : node;
-    }
-    ts.updateNew = updateNew;
-    function createTaggedTemplate(tag, template) {
-        var node = createSynthesizedNode(183);
-        node.tag = ts.parenthesizeForAccess(tag);
-        node.template = template;
-        return node;
-    }
-    ts.createTaggedTemplate = createTaggedTemplate;
-    function updateTaggedTemplate(node, tag, template) {
-        return node.tag !== tag
-            || node.template !== template
-            ? updateNode(createTaggedTemplate(tag, template), node)
-            : node;
-    }
-    ts.updateTaggedTemplate = updateTaggedTemplate;
-    function createTypeAssertion(type, expression) {
-        var node = createSynthesizedNode(184);
-        node.type = type;
-        node.expression = ts.parenthesizePrefixOperand(expression);
-        return node;
-    }
-    ts.createTypeAssertion = createTypeAssertion;
-    function updateTypeAssertion(node, type, expression) {
-        return node.type !== type
-            || node.expression !== expression
-            ? updateNode(createTypeAssertion(type, expression), node)
-            : node;
-    }
-    ts.updateTypeAssertion = updateTypeAssertion;
-    function createParen(expression) {
-        var node = createSynthesizedNode(185);
-        node.expression = expression;
-        return node;
-    }
-    ts.createParen = createParen;
-    function updateParen(node, expression) {
-        return node.expression !== expression
-            ? updateNode(createParen(expression), node)
-            : node;
-    }
-    ts.updateParen = updateParen;
-    function createFunctionExpression(modifiers, asteriskToken, name, typeParameters, parameters, type, body) {
-        var node = createSynthesizedNode(186);
-        node.modifiers = asNodeArray(modifiers);
-        node.asteriskToken = asteriskToken;
-        node.name = asName(name);
-        node.typeParameters = asNodeArray(typeParameters);
-        node.parameters = createNodeArray(parameters);
-        node.type = type;
-        node.body = body;
-        return node;
-    }
-    ts.createFunctionExpression = createFunctionExpression;
-    function updateFunctionExpression(node, modifiers, asteriskToken, name, typeParameters, parameters, type, body) {
-        return node.name !== name
-            || node.modifiers !== modifiers
-            || node.asteriskToken !== asteriskToken
-            || node.typeParameters !== typeParameters
-            || node.parameters !== parameters
-            || node.type !== type
-            || node.body !== body
-            ? updateNode(createFunctionExpression(modifiers, asteriskToken, name, typeParameters, parameters, type, body), node)
-            : node;
-    }
-    ts.updateFunctionExpression = updateFunctionExpression;
-    function createArrowFunction(modifiers, typeParameters, parameters, type, equalsGreaterThanToken, body) {
-        var node = createSynthesizedNode(187);
-        node.modifiers = asNodeArray(modifiers);
-        node.typeParameters = asNodeArray(typeParameters);
-        node.parameters = createNodeArray(parameters);
-        node.type = type;
-        node.equalsGreaterThanToken = equalsGreaterThanToken || createToken(36);
-        node.body = ts.parenthesizeConciseBody(body);
-        return node;
-    }
-    ts.createArrowFunction = createArrowFunction;
-    function updateArrowFunction(node, modifiers, typeParameters, parameters, type, body) {
-        return node.modifiers !== modifiers
-            || node.typeParameters !== typeParameters
-            || node.parameters !== parameters
-            || node.type !== type
-            || node.body !== body
-            ? updateNode(createArrowFunction(modifiers, typeParameters, parameters, type, node.equalsGreaterThanToken, body), node)
-            : node;
-    }
-    ts.updateArrowFunction = updateArrowFunction;
-    function createDelete(expression) {
-        var node = createSynthesizedNode(188);
-        node.expression = ts.parenthesizePrefixOperand(expression);
-        return node;
-    }
-    ts.createDelete = createDelete;
-    function updateDelete(node, expression) {
-        return node.expression !== expression
-            ? updateNode(createDelete(expression), node)
-            : node;
-    }
-    ts.updateDelete = updateDelete;
-    function createTypeOf(expression) {
-        var node = createSynthesizedNode(189);
-        node.expression = ts.parenthesizePrefixOperand(expression);
-        return node;
-    }
-    ts.createTypeOf = createTypeOf;
-    function updateTypeOf(node, expression) {
-        return node.expression !== expression
-            ? updateNode(createTypeOf(expression), node)
-            : node;
-    }
-    ts.updateTypeOf = updateTypeOf;
-    function createVoid(expression) {
-        var node = createSynthesizedNode(190);
-        node.expression = ts.parenthesizePrefixOperand(expression);
-        return node;
-    }
-    ts.createVoid = createVoid;
-    function updateVoid(node, expression) {
-        return node.expression !== expression
-            ? updateNode(createVoid(expression), node)
-            : node;
-    }
-    ts.updateVoid = updateVoid;
-    function createAwait(expression) {
-        var node = createSynthesizedNode(191);
-        node.expression = ts.parenthesizePrefixOperand(expression);
-        return node;
-    }
-    ts.createAwait = createAwait;
-    function updateAwait(node, expression) {
-        return node.expression !== expression
-            ? updateNode(createAwait(expression), node)
-            : node;
-    }
-    ts.updateAwait = updateAwait;
-    function createPrefix(operator, operand) {
-        var node = createSynthesizedNode(192);
-        node.operator = operator;
-        node.operand = ts.parenthesizePrefixOperand(operand);
-        return node;
-    }
-    ts.createPrefix = createPrefix;
-    function updatePrefix(node, operand) {
-        return node.operand !== operand
-            ? updateNode(createPrefix(node.operator, operand), node)
-            : node;
-    }
-    ts.updatePrefix = updatePrefix;
-    function createPostfix(operand, operator) {
-        var node = createSynthesizedNode(193);
-        node.operand = ts.parenthesizePostfixOperand(operand);
-        node.operator = operator;
-        return node;
-    }
-    ts.createPostfix = createPostfix;
-    function updatePostfix(node, operand) {
-        return node.operand !== operand
-            ? updateNode(createPostfix(operand, node.operator), node)
-            : node;
-    }
-    ts.updatePostfix = updatePostfix;
-    function createBinary(left, operator, right) {
-        var node = createSynthesizedNode(194);
-        var operatorToken = asToken(operator);
-        var operatorKind = operatorToken.kind;
-        node.left = ts.parenthesizeBinaryOperand(operatorKind, left, true, undefined);
-        node.operatorToken = operatorToken;
-        node.right = ts.parenthesizeBinaryOperand(operatorKind, right, false, node.left);
-        return node;
-    }
-    ts.createBinary = createBinary;
-    function updateBinary(node, left, right, operator) {
-        return node.left !== left
-            || node.right !== right
-            ? updateNode(createBinary(left, operator || node.operatorToken, right), node)
-            : node;
-    }
-    ts.updateBinary = updateBinary;
-    function createConditional(condition, questionTokenOrWhenTrue, whenTrueOrWhenFalse, colonToken, whenFalse) {
-        var node = createSynthesizedNode(195);
-        node.condition = ts.parenthesizeForConditionalHead(condition);
-        node.questionToken = whenFalse ? questionTokenOrWhenTrue : createToken(55);
-        node.whenTrue = ts.parenthesizeSubexpressionOfConditionalExpression(whenFalse ? whenTrueOrWhenFalse : questionTokenOrWhenTrue);
-        node.colonToken = whenFalse ? colonToken : createToken(56);
-        node.whenFalse = ts.parenthesizeSubexpressionOfConditionalExpression(whenFalse ? whenFalse : whenTrueOrWhenFalse);
-        return node;
-    }
-    ts.createConditional = createConditional;
-    function updateConditional(node, condition, whenTrue, whenFalse) {
-        return node.condition !== condition
-            || node.whenTrue !== whenTrue
-            || node.whenFalse !== whenFalse
-            ? updateNode(createConditional(condition, node.questionToken, whenTrue, node.colonToken, whenFalse), node)
-            : node;
-    }
-    ts.updateConditional = updateConditional;
-    function createTemplateExpression(head, templateSpans) {
-        var node = createSynthesizedNode(196);
-        node.head = head;
-        node.templateSpans = createNodeArray(templateSpans);
-        return node;
-    }
-    ts.createTemplateExpression = createTemplateExpression;
-    function updateTemplateExpression(node, head, templateSpans) {
-        return node.head !== head
-            || node.templateSpans !== templateSpans
-            ? updateNode(createTemplateExpression(head, templateSpans), node)
-            : node;
-    }
-    ts.updateTemplateExpression = updateTemplateExpression;
-    function createYield(asteriskTokenOrExpression, expression) {
-        var node = createSynthesizedNode(197);
-        node.asteriskToken = asteriskTokenOrExpression && asteriskTokenOrExpression.kind === 39 ? asteriskTokenOrExpression : undefined;
-        node.expression = asteriskTokenOrExpression && asteriskTokenOrExpression.kind !== 39 ? asteriskTokenOrExpression : expression;
-        return node;
-    }
-    ts.createYield = createYield;
-    function updateYield(node, asteriskToken, expression) {
-        return node.expression !== expression
-            || node.asteriskToken !== asteriskToken
-            ? updateNode(createYield(asteriskToken, expression), node)
-            : node;
-    }
-    ts.updateYield = updateYield;
-    function createSpread(expression) {
-        var node = createSynthesizedNode(198);
-        node.expression = ts.parenthesizeExpressionForList(expression);
-        return node;
-    }
-    ts.createSpread = createSpread;
-    function updateSpread(node, expression) {
-        return node.expression !== expression
-            ? updateNode(createSpread(expression), node)
-            : node;
-    }
-    ts.updateSpread = updateSpread;
-    function createClassExpression(modifiers, name, typeParameters, heritageClauses, members) {
-        var node = createSynthesizedNode(199);
-        node.decorators = undefined;
-        node.modifiers = asNodeArray(modifiers);
-        node.name = asName(name);
-        node.typeParameters = asNodeArray(typeParameters);
-        node.heritageClauses = asNodeArray(heritageClauses);
-        node.members = createNodeArray(members);
-        return node;
-    }
-    ts.createClassExpression = createClassExpression;
-    function updateClassExpression(node, modifiers, name, typeParameters, heritageClauses, members) {
-        return node.modifiers !== modifiers
-            || node.name !== name
-            || node.typeParameters !== typeParameters
-            || node.heritageClauses !== heritageClauses
-            || node.members !== members
-            ? updateNode(createClassExpression(modifiers, name, typeParameters, heritageClauses, members), node)
-            : node;
-    }
-    ts.updateClassExpression = updateClassExpression;
-    function createOmittedExpression() {
-        return createSynthesizedNode(200);
-    }
-    ts.createOmittedExpression = createOmittedExpression;
-    function createExpressionWithTypeArguments(typeArguments, expression) {
-        var node = createSynthesizedNode(201);
-        node.expression = ts.parenthesizeForAccess(expression);
-        node.typeArguments = asNodeArray(typeArguments);
-        return node;
-    }
-    ts.createExpressionWithTypeArguments = createExpressionWithTypeArguments;
-    function updateExpressionWithTypeArguments(node, typeArguments, expression) {
-        return node.typeArguments !== typeArguments
-            || node.expression !== expression
-            ? updateNode(createExpressionWithTypeArguments(typeArguments, expression), node)
-            : node;
-    }
-    ts.updateExpressionWithTypeArguments = updateExpressionWithTypeArguments;
-    function createAsExpression(expression, type) {
-        var node = createSynthesizedNode(202);
-        node.expression = expression;
-        node.type = type;
-        return node;
-    }
-    ts.createAsExpression = createAsExpression;
-    function updateAsExpression(node, expression, type) {
-        return node.expression !== expression
-            || node.type !== type
-            ? updateNode(createAsExpression(expression, type), node)
-            : node;
-    }
-    ts.updateAsExpression = updateAsExpression;
-    function createNonNullExpression(expression) {
-        var node = createSynthesizedNode(203);
-        node.expression = ts.parenthesizeForAccess(expression);
-        return node;
-    }
-    ts.createNonNullExpression = createNonNullExpression;
-    function updateNonNullExpression(node, expression) {
-        return node.expression !== expression
-            ? updateNode(createNonNullExpression(expression), node)
-            : node;
-    }
-    ts.updateNonNullExpression = updateNonNullExpression;
-    function createMetaProperty(keywordToken, name) {
-        var node = createSynthesizedNode(204);
-        node.keywordToken = keywordToken;
-        node.name = name;
-        return node;
-    }
-    ts.createMetaProperty = createMetaProperty;
-    function updateMetaProperty(node, name) {
-        return node.name !== name
-            ? updateNode(createMetaProperty(node.keywordToken, name), node)
-            : node;
-    }
-    ts.updateMetaProperty = updateMetaProperty;
-    function createTemplateSpan(expression, literal) {
-        var node = createSynthesizedNode(205);
-        node.expression = expression;
-        node.literal = literal;
-        return node;
-    }
-    ts.createTemplateSpan = createTemplateSpan;
-    function updateTemplateSpan(node, expression, literal) {
-        return node.expression !== expression
-            || node.literal !== literal
-            ? updateNode(createTemplateSpan(expression, literal), node)
-            : node;
-    }
-    ts.updateTemplateSpan = updateTemplateSpan;
-    function createSemicolonClassElement() {
-        return createSynthesizedNode(206);
-    }
-    ts.createSemicolonClassElement = createSemicolonClassElement;
-    function createBlock(statements, multiLine) {
-        var block = createSynthesizedNode(207);
-        block.statements = createNodeArray(statements);
-        if (multiLine)
-            block.multiLine = multiLine;
-        return block;
-    }
-    ts.createBlock = createBlock;
-    function updateBlock(node, statements) {
-        return node.statements !== statements
-            ? updateNode(createBlock(statements, node.multiLine), node)
-            : node;
-    }
-    ts.updateBlock = updateBlock;
-    function createVariableStatement(modifiers, declarationList) {
-        var node = createSynthesizedNode(208);
-        node.decorators = undefined;
-        node.modifiers = asNodeArray(modifiers);
-        node.declarationList = ts.isArray(declarationList) ? createVariableDeclarationList(declarationList) : declarationList;
-        return node;
-    }
-    ts.createVariableStatement = createVariableStatement;
-    function updateVariableStatement(node, modifiers, declarationList) {
-        return node.modifiers !== modifiers
-            || node.declarationList !== declarationList
-            ? updateNode(createVariableStatement(modifiers, declarationList), node)
-            : node;
-    }
-    ts.updateVariableStatement = updateVariableStatement;
-    function createEmptyStatement() {
-        return createSynthesizedNode(209);
-    }
-    ts.createEmptyStatement = createEmptyStatement;
-    function createStatement(expression) {
-        var node = createSynthesizedNode(210);
-        node.expression = ts.parenthesizeExpressionForExpressionStatement(expression);
-        return node;
-    }
-    ts.createStatement = createStatement;
-    function updateStatement(node, expression) {
-        return node.expression !== expression
-            ? updateNode(createStatement(expression), node)
-            : node;
-    }
-    ts.updateStatement = updateStatement;
-    function createIf(expression, thenStatement, elseStatement) {
-        var node = createSynthesizedNode(211);
-        node.expression = expression;
-        node.thenStatement = thenStatement;
-        node.elseStatement = elseStatement;
-        return node;
-    }
-    ts.createIf = createIf;
-    function updateIf(node, expression, thenStatement, elseStatement) {
-        return node.expression !== expression
-            || node.thenStatement !== thenStatement
-            || node.elseStatement !== elseStatement
-            ? updateNode(createIf(expression, thenStatement, elseStatement), node)
-            : node;
-    }
-    ts.updateIf = updateIf;
-    function createDo(statement, expression) {
-        var node = createSynthesizedNode(212);
-        node.statement = statement;
-        node.expression = expression;
-        return node;
-    }
-    ts.createDo = createDo;
-    function updateDo(node, statement, expression) {
-        return node.statement !== statement
-            || node.expression !== expression
-            ? updateNode(createDo(statement, expression), node)
-            : node;
-    }
-    ts.updateDo = updateDo;
-    function createWhile(expression, statement) {
-        var node = createSynthesizedNode(213);
-        node.expression = expression;
-        node.statement = statement;
-        return node;
-    }
-    ts.createWhile = createWhile;
-    function updateWhile(node, expression, statement) {
-        return node.expression !== expression
-            || node.statement !== statement
-            ? updateNode(createWhile(expression, statement), node)
-            : node;
-    }
-    ts.updateWhile = updateWhile;
-    function createFor(initializer, condition, incrementor, statement) {
-        var node = createSynthesizedNode(214);
-        node.initializer = initializer;
-        node.condition = condition;
-        node.incrementor = incrementor;
-        node.statement = statement;
-        return node;
-    }
-    ts.createFor = createFor;
-    function updateFor(node, initializer, condition, incrementor, statement) {
-        return node.initializer !== initializer
-            || node.condition !== condition
-            || node.incrementor !== incrementor
-            || node.statement !== statement
-            ? updateNode(createFor(initializer, condition, incrementor, statement), node)
-            : node;
-    }
-    ts.updateFor = updateFor;
-    function createForIn(initializer, expression, statement) {
-        var node = createSynthesizedNode(215);
-        node.initializer = initializer;
-        node.expression = expression;
-        node.statement = statement;
-        return node;
-    }
-    ts.createForIn = createForIn;
-    function updateForIn(node, initializer, expression, statement) {
-        return node.initializer !== initializer
-            || node.expression !== expression
-            || node.statement !== statement
-            ? updateNode(createForIn(initializer, expression, statement), node)
-            : node;
-    }
-    ts.updateForIn = updateForIn;
-    function createForOf(awaitModifier, initializer, expression, statement) {
-        var node = createSynthesizedNode(216);
-        node.awaitModifier = awaitModifier;
-        node.initializer = initializer;
-        node.expression = expression;
-        node.statement = statement;
-        return node;
-    }
-    ts.createForOf = createForOf;
-    function updateForOf(node, awaitModifier, initializer, expression, statement) {
-        return node.awaitModifier !== awaitModifier
-            || node.initializer !== initializer
-            || node.expression !== expression
-            || node.statement !== statement
-            ? updateNode(createForOf(awaitModifier, initializer, expression, statement), node)
-            : node;
-    }
-    ts.updateForOf = updateForOf;
-    function createContinue(label) {
-        var node = createSynthesizedNode(217);
-        node.label = asName(label);
-        return node;
-    }
-    ts.createContinue = createContinue;
-    function updateContinue(node, label) {
-        return node.label !== label
-            ? updateNode(createContinue(label), node)
-            : node;
-    }
-    ts.updateContinue = updateContinue;
-    function createBreak(label) {
-        var node = createSynthesizedNode(218);
-        node.label = asName(label);
-        return node;
-    }
-    ts.createBreak = createBreak;
-    function updateBreak(node, label) {
-        return node.label !== label
-            ? updateNode(createBreak(label), node)
-            : node;
-    }
-    ts.updateBreak = updateBreak;
-    function createReturn(expression) {
-        var node = createSynthesizedNode(219);
-        node.expression = expression;
-        return node;
-    }
-    ts.createReturn = createReturn;
-    function updateReturn(node, expression) {
-        return node.expression !== expression
-            ? updateNode(createReturn(expression), node)
-            : node;
-    }
-    ts.updateReturn = updateReturn;
-    function createWith(expression, statement) {
-        var node = createSynthesizedNode(220);
-        node.expression = expression;
-        node.statement = statement;
-        return node;
-    }
-    ts.createWith = createWith;
-    function updateWith(node, expression, statement) {
-        return node.expression !== expression
-            || node.statement !== statement
-            ? updateNode(createWith(expression, statement), node)
-            : node;
-    }
-    ts.updateWith = updateWith;
-    function createSwitch(expression, caseBlock) {
-        var node = createSynthesizedNode(221);
-        node.expression = ts.parenthesizeExpressionForList(expression);
-        node.caseBlock = caseBlock;
-        return node;
-    }
-    ts.createSwitch = createSwitch;
-    function updateSwitch(node, expression, caseBlock) {
-        return node.expression !== expression
-            || node.caseBlock !== caseBlock
-            ? updateNode(createSwitch(expression, caseBlock), node)
-            : node;
-    }
-    ts.updateSwitch = updateSwitch;
-    function createLabel(label, statement) {
-        var node = createSynthesizedNode(222);
-        node.label = asName(label);
-        node.statement = statement;
-        return node;
-    }
-    ts.createLabel = createLabel;
-    function updateLabel(node, label, statement) {
-        return node.label !== label
-            || node.statement !== statement
-            ? updateNode(createLabel(label, statement), node)
-            : node;
-    }
-    ts.updateLabel = updateLabel;
-    function createThrow(expression) {
-        var node = createSynthesizedNode(223);
-        node.expression = expression;
-        return node;
-    }
-    ts.createThrow = createThrow;
-    function updateThrow(node, expression) {
-        return node.expression !== expression
-            ? updateNode(createThrow(expression), node)
-            : node;
-    }
-    ts.updateThrow = updateThrow;
-    function createTry(tryBlock, catchClause, finallyBlock) {
-        var node = createSynthesizedNode(224);
-        node.tryBlock = tryBlock;
-        node.catchClause = catchClause;
-        node.finallyBlock = finallyBlock;
-        return node;
-    }
-    ts.createTry = createTry;
-    function updateTry(node, tryBlock, catchClause, finallyBlock) {
-        return node.tryBlock !== tryBlock
-            || node.catchClause !== catchClause
-            || node.finallyBlock !== finallyBlock
-            ? updateNode(createTry(tryBlock, catchClause, finallyBlock), node)
-            : node;
-    }
-    ts.updateTry = updateTry;
-    function createDebuggerStatement() {
-        return createSynthesizedNode(225);
-    }
-    ts.createDebuggerStatement = createDebuggerStatement;
-    function createVariableDeclaration(name, type, initializer) {
-        var node = createSynthesizedNode(226);
-        node.name = asName(name);
-        node.type = type;
-        node.initializer = initializer !== undefined ? ts.parenthesizeExpressionForList(initializer) : undefined;
-        return node;
-    }
-    ts.createVariableDeclaration = createVariableDeclaration;
-    function updateVariableDeclaration(node, name, type, initializer) {
-        return node.name !== name
-            || node.type !== type
-            || node.initializer !== initializer
-            ? updateNode(createVariableDeclaration(name, type, initializer), node)
-            : node;
-    }
-    ts.updateVariableDeclaration = updateVariableDeclaration;
-    function createVariableDeclarationList(declarations, flags) {
-        var node = createSynthesizedNode(227);
-        node.flags |= flags & 3;
-        node.declarations = createNodeArray(declarations);
-        return node;
-    }
-    ts.createVariableDeclarationList = createVariableDeclarationList;
-    function updateVariableDeclarationList(node, declarations) {
-        return node.declarations !== declarations
-            ? updateNode(createVariableDeclarationList(declarations, node.flags), node)
-            : node;
-    }
-    ts.updateVariableDeclarationList = updateVariableDeclarationList;
-    function createFunctionDeclaration(decorators, modifiers, asteriskToken, name, typeParameters, parameters, type, body) {
-        var node = createSynthesizedNode(228);
-        node.decorators = asNodeArray(decorators);
-        node.modifiers = asNodeArray(modifiers);
-        node.asteriskToken = asteriskToken;
-        node.name = asName(name);
-        node.typeParameters = asNodeArray(typeParameters);
-        node.parameters = createNodeArray(parameters);
-        node.type = type;
-        node.body = body;
-        return node;
-    }
-    ts.createFunctionDeclaration = createFunctionDeclaration;
-    function updateFunctionDeclaration(node, decorators, modifiers, asteriskToken, name, typeParameters, parameters, type, body) {
-        return node.decorators !== decorators
-            || node.modifiers !== modifiers
-            || node.asteriskToken !== asteriskToken
-            || node.name !== name
-            || node.typeParameters !== typeParameters
-            || node.parameters !== parameters
-            || node.type !== type
-            || node.body !== body
-            ? updateNode(createFunctionDeclaration(decorators, modifiers, asteriskToken, name, typeParameters, parameters, type, body), node)
-            : node;
-    }
-    ts.updateFunctionDeclaration = updateFunctionDeclaration;
-    function createClassDeclaration(decorators, modifiers, name, typeParameters, heritageClauses, members) {
-        var node = createSynthesizedNode(229);
-        node.decorators = asNodeArray(decorators);
-        node.modifiers = asNodeArray(modifiers);
-        node.name = asName(name);
-        node.typeParameters = asNodeArray(typeParameters);
-        node.heritageClauses = asNodeArray(heritageClauses);
-        node.members = createNodeArray(members);
-        return node;
-    }
-    ts.createClassDeclaration = createClassDeclaration;
-    function updateClassDeclaration(node, decorators, modifiers, name, typeParameters, heritageClauses, members) {
-        return node.decorators !== decorators
-            || node.modifiers !== modifiers
-            || node.name !== name
-            || node.typeParameters !== typeParameters
-            || node.heritageClauses !== heritageClauses
-            || node.members !== members
-            ? updateNode(createClassDeclaration(decorators, modifiers, name, typeParameters, heritageClauses, members), node)
-            : node;
-    }
-    ts.updateClassDeclaration = updateClassDeclaration;
-    function createInterfaceDeclaration(decorators, modifiers, name, typeParameters, heritageClauses, members) {
-        var node = createSynthesizedNode(230);
-        node.decorators = asNodeArray(decorators);
-        node.modifiers = asNodeArray(modifiers);
-        node.name = asName(name);
-        node.typeParameters = asNodeArray(typeParameters);
-        node.heritageClauses = asNodeArray(heritageClauses);
-        node.members = createNodeArray(members);
-        return node;
-    }
-    ts.createInterfaceDeclaration = createInterfaceDeclaration;
-    function updateInterfaceDeclaration(node, decorators, modifiers, name, typeParameters, heritageClauses, members) {
-        return node.decorators !== decorators
-            || node.modifiers !== modifiers
-            || node.name !== name
-            || node.typeParameters !== typeParameters
-            || node.heritageClauses !== heritageClauses
-            || node.members !== members
-            ? updateNode(createInterfaceDeclaration(decorators, modifiers, name, typeParameters, heritageClauses, members), node)
-            : node;
-    }
-    ts.updateInterfaceDeclaration = updateInterfaceDeclaration;
-    function createTypeAliasDeclaration(decorators, modifiers, name, typeParameters, type) {
-        var node = createSynthesizedNode(231);
-        node.decorators = asNodeArray(decorators);
-        node.modifiers = asNodeArray(modifiers);
-        node.name = asName(name);
-        node.typeParameters = asNodeArray(typeParameters);
-        node.type = type;
-        return node;
-    }
-    ts.createTypeAliasDeclaration = createTypeAliasDeclaration;
-    function updateTypeAliasDeclaration(node, decorators, modifiers, name, typeParameters, type) {
-        return node.decorators !== decorators
-            || node.modifiers !== modifiers
-            || node.name !== name
-            || node.typeParameters !== typeParameters
-            || node.type !== type
-            ? updateNode(createTypeAliasDeclaration(decorators, modifiers, name, typeParameters, type), node)
-            : node;
-    }
-    ts.updateTypeAliasDeclaration = updateTypeAliasDeclaration;
-    function createEnumDeclaration(decorators, modifiers, name, members) {
-        var node = createSynthesizedNode(232);
-        node.decorators = asNodeArray(decorators);
-        node.modifiers = asNodeArray(modifiers);
-        node.name = asName(name);
-        node.members = createNodeArray(members);
-        return node;
-    }
-    ts.createEnumDeclaration = createEnumDeclaration;
-    function updateEnumDeclaration(node, decorators, modifiers, name, members) {
-        return node.decorators !== decorators
-            || node.modifiers !== modifiers
-            || node.name !== name
-            || node.members !== members
-            ? updateNode(createEnumDeclaration(decorators, modifiers, name, members), node)
-            : node;
-    }
-    ts.updateEnumDeclaration = updateEnumDeclaration;
-    function createModuleDeclaration(decorators, modifiers, name, body, flags) {
-        var node = createSynthesizedNode(233);
-        node.flags |= flags & (16 | 4 | 512);
-        node.decorators = asNodeArray(decorators);
-        node.modifiers = asNodeArray(modifiers);
-        node.name = name;
-        node.body = body;
-        return node;
-    }
-    ts.createModuleDeclaration = createModuleDeclaration;
-    function updateModuleDeclaration(node, decorators, modifiers, name, body) {
-        return node.decorators !== decorators
-            || node.modifiers !== modifiers
-            || node.name !== name
-            || node.body !== body
-            ? updateNode(createModuleDeclaration(decorators, modifiers, name, body, node.flags), node)
-            : node;
-    }
-    ts.updateModuleDeclaration = updateModuleDeclaration;
-    function createModuleBlock(statements) {
-        var node = createSynthesizedNode(234);
-        node.statements = createNodeArray(statements);
-        return node;
-    }
-    ts.createModuleBlock = createModuleBlock;
-    function updateModuleBlock(node, statements) {
-        return node.statements !== statements
-            ? updateNode(createModuleBlock(statements), node)
-            : node;
-    }
-    ts.updateModuleBlock = updateModuleBlock;
-    function createCaseBlock(clauses) {
-        var node = createSynthesizedNode(235);
-        node.clauses = createNodeArray(clauses);
-        return node;
-    }
-    ts.createCaseBlock = createCaseBlock;
-    function updateCaseBlock(node, clauses) {
-        return node.clauses !== clauses
-            ? updateNode(createCaseBlock(clauses), node)
-            : node;
-    }
-    ts.updateCaseBlock = updateCaseBlock;
-    function createNamespaceExportDeclaration(name) {
-        var node = createSynthesizedNode(236);
-        node.name = asName(name);
-        return node;
-    }
-    ts.createNamespaceExportDeclaration = createNamespaceExportDeclaration;
-    function updateNamespaceExportDeclaration(node, name) {
-        return node.name !== name
-            ? updateNode(createNamespaceExportDeclaration(name), node)
-            : node;
-    }
-    ts.updateNamespaceExportDeclaration = updateNamespaceExportDeclaration;
-    function createImportEqualsDeclaration(decorators, modifiers, name, moduleReference) {
-        var node = createSynthesizedNode(237);
-        node.decorators = asNodeArray(decorators);
-        node.modifiers = asNodeArray(modifiers);
-        node.name = asName(name);
-        node.moduleReference = moduleReference;
-        return node;
-    }
-    ts.createImportEqualsDeclaration = createImportEqualsDeclaration;
-    function updateImportEqualsDeclaration(node, decorators, modifiers, name, moduleReference) {
-        return node.decorators !== decorators
-            || node.modifiers !== modifiers
-            || node.name !== name
-            || node.moduleReference !== moduleReference
-            ? updateNode(createImportEqualsDeclaration(decorators, modifiers, name, moduleReference), node)
-            : node;
-    }
-    ts.updateImportEqualsDeclaration = updateImportEqualsDeclaration;
-    function createImportDeclaration(decorators, modifiers, importClause, moduleSpecifier) {
-        var node = createSynthesizedNode(238);
-        node.decorators = asNodeArray(decorators);
-        node.modifiers = asNodeArray(modifiers);
-        node.importClause = importClause;
-        node.moduleSpecifier = moduleSpecifier;
-        return node;
-    }
-    ts.createImportDeclaration = createImportDeclaration;
-    function updateImportDeclaration(node, decorators, modifiers, importClause, moduleSpecifier) {
-        return node.decorators !== decorators
-            || node.modifiers !== modifiers
-            || node.importClause !== importClause
-            || node.moduleSpecifier !== moduleSpecifier
-            ? updateNode(createImportDeclaration(decorators, modifiers, importClause, moduleSpecifier), node)
-            : node;
-    }
-    ts.updateImportDeclaration = updateImportDeclaration;
-    function createImportClause(name, namedBindings) {
-        var node = createSynthesizedNode(239);
-        node.name = name;
-        node.namedBindings = namedBindings;
-        return node;
-    }
-    ts.createImportClause = createImportClause;
-    function updateImportClause(node, name, namedBindings) {
-        return node.name !== name
-            || node.namedBindings !== namedBindings
-            ? updateNode(createImportClause(name, namedBindings), node)
-            : node;
-    }
-    ts.updateImportClause = updateImportClause;
-    function createNamespaceImport(name) {
-        var node = createSynthesizedNode(240);
-        node.name = name;
-        return node;
-    }
-    ts.createNamespaceImport = createNamespaceImport;
-    function updateNamespaceImport(node, name) {
-        return node.name !== name
-            ? updateNode(createNamespaceImport(name), node)
-            : node;
-    }
-    ts.updateNamespaceImport = updateNamespaceImport;
-    function createNamedImports(elements) {
-        var node = createSynthesizedNode(241);
-        node.elements = createNodeArray(elements);
-        return node;
-    }
-    ts.createNamedImports = createNamedImports;
-    function updateNamedImports(node, elements) {
-        return node.elements !== elements
-            ? updateNode(createNamedImports(elements), node)
-            : node;
-    }
-    ts.updateNamedImports = updateNamedImports;
-    function createImportSpecifier(propertyName, name) {
-        var node = createSynthesizedNode(242);
-        node.propertyName = propertyName;
-        node.name = name;
-        return node;
-    }
-    ts.createImportSpecifier = createImportSpecifier;
-    function updateImportSpecifier(node, propertyName, name) {
-        return node.propertyName !== propertyName
-            || node.name !== name
-            ? updateNode(createImportSpecifier(propertyName, name), node)
-            : node;
-    }
-    ts.updateImportSpecifier = updateImportSpecifier;
-    function createExportAssignment(decorators, modifiers, isExportEquals, expression) {
-        var node = createSynthesizedNode(243);
-        node.decorators = asNodeArray(decorators);
-        node.modifiers = asNodeArray(modifiers);
-        node.isExportEquals = isExportEquals;
-        node.expression = expression;
-        return node;
-    }
-    ts.createExportAssignment = createExportAssignment;
-    function updateExportAssignment(node, decorators, modifiers, expression) {
-        return node.decorators !== decorators
-            || node.modifiers !== modifiers
-            || node.expression !== expression
-            ? updateNode(createExportAssignment(decorators, modifiers, node.isExportEquals, expression), node)
-            : node;
-    }
-    ts.updateExportAssignment = updateExportAssignment;
-    function createExportDeclaration(decorators, modifiers, exportClause, moduleSpecifier) {
-        var node = createSynthesizedNode(244);
-        node.decorators = asNodeArray(decorators);
-        node.modifiers = asNodeArray(modifiers);
-        node.exportClause = exportClause;
-        node.moduleSpecifier = moduleSpecifier;
-        return node;
-    }
-    ts.createExportDeclaration = createExportDeclaration;
-    function updateExportDeclaration(node, decorators, modifiers, exportClause, moduleSpecifier) {
-        return node.decorators !== decorators
-            || node.modifiers !== modifiers
-            || node.exportClause !== exportClause
-            || node.moduleSpecifier !== moduleSpecifier
-            ? updateNode(createExportDeclaration(decorators, modifiers, exportClause, moduleSpecifier), node)
-            : node;
-    }
-    ts.updateExportDeclaration = updateExportDeclaration;
-    function createNamedExports(elements) {
-        var node = createSynthesizedNode(245);
-        node.elements = createNodeArray(elements);
-        return node;
-    }
-    ts.createNamedExports = createNamedExports;
-    function updateNamedExports(node, elements) {
-        return node.elements !== elements
-            ? updateNode(createNamedExports(elements), node)
-            : node;
-    }
-    ts.updateNamedExports = updateNamedExports;
-    function createExportSpecifier(propertyName, name) {
-        var node = createSynthesizedNode(246);
-        node.propertyName = asName(propertyName);
-        node.name = asName(name);
-        return node;
-    }
-    ts.createExportSpecifier = createExportSpecifier;
-    function updateExportSpecifier(node, propertyName, name) {
-        return node.propertyName !== propertyName
-            || node.name !== name
-            ? updateNode(createExportSpecifier(propertyName, name), node)
-            : node;
-    }
-    ts.updateExportSpecifier = updateExportSpecifier;
-    function createExternalModuleReference(expression) {
-        var node = createSynthesizedNode(248);
-        node.expression = expression;
-        return node;
-    }
-    ts.createExternalModuleReference = createExternalModuleReference;
-    function updateExternalModuleReference(node, expression) {
-        return node.expression !== expression
-            ? updateNode(createExternalModuleReference(expression), node)
-            : node;
-    }
-    ts.updateExternalModuleReference = updateExternalModuleReference;
-    function createJsxElement(openingElement, children, closingElement) {
-        var node = createSynthesizedNode(249);
-        node.openingElement = openingElement;
-        node.children = createNodeArray(children);
-        node.closingElement = closingElement;
-        return node;
-    }
-    ts.createJsxElement = createJsxElement;
-    function updateJsxElement(node, openingElement, children, closingElement) {
-        return node.openingElement !== openingElement
-            || node.children !== children
-            || node.closingElement !== closingElement
-            ? updateNode(createJsxElement(openingElement, children, closingElement), node)
-            : node;
-    }
-    ts.updateJsxElement = updateJsxElement;
-    function createJsxSelfClosingElement(tagName, attributes) {
-        var node = createSynthesizedNode(250);
-        node.tagName = tagName;
-        node.attributes = attributes;
-        return node;
-    }
-    ts.createJsxSelfClosingElement = createJsxSelfClosingElement;
-    function updateJsxSelfClosingElement(node, tagName, attributes) {
-        return node.tagName !== tagName
-            || node.attributes !== attributes
-            ? updateNode(createJsxSelfClosingElement(tagName, attributes), node)
-            : node;
-    }
-    ts.updateJsxSelfClosingElement = updateJsxSelfClosingElement;
-    function createJsxOpeningElement(tagName, attributes) {
-        var node = createSynthesizedNode(251);
-        node.tagName = tagName;
-        node.attributes = attributes;
-        return node;
-    }
-    ts.createJsxOpeningElement = createJsxOpeningElement;
-    function updateJsxOpeningElement(node, tagName, attributes) {
-        return node.tagName !== tagName
-            || node.attributes !== attributes
-            ? updateNode(createJsxOpeningElement(tagName, attributes), node)
-            : node;
-    }
-    ts.updateJsxOpeningElement = updateJsxOpeningElement;
-    function createJsxClosingElement(tagName) {
-        var node = createSynthesizedNode(252);
-        node.tagName = tagName;
-        return node;
-    }
-    ts.createJsxClosingElement = createJsxClosingElement;
-    function updateJsxClosingElement(node, tagName) {
-        return node.tagName !== tagName
-            ? updateNode(createJsxClosingElement(tagName), node)
-            : node;
-    }
-    ts.updateJsxClosingElement = updateJsxClosingElement;
-    function createJsxAttribute(name, initializer) {
-        var node = createSynthesizedNode(253);
-        node.name = name;
-        node.initializer = initializer;
-        return node;
-    }
-    ts.createJsxAttribute = createJsxAttribute;
-    function updateJsxAttribute(node, name, initializer) {
-        return node.name !== name
-            || node.initializer !== initializer
-            ? updateNode(createJsxAttribute(name, initializer), node)
-            : node;
-    }
-    ts.updateJsxAttribute = updateJsxAttribute;
-    function createJsxAttributes(properties) {
-        var node = createSynthesizedNode(254);
-        node.properties = createNodeArray(properties);
-        return node;
-    }
-    ts.createJsxAttributes = createJsxAttributes;
-    function updateJsxAttributes(node, properties) {
-        return node.properties !== properties
-            ? updateNode(createJsxAttributes(properties), node)
-            : node;
-    }
-    ts.updateJsxAttributes = updateJsxAttributes;
-    function createJsxSpreadAttribute(expression) {
-        var node = createSynthesizedNode(255);
-        node.expression = expression;
-        return node;
-    }
-    ts.createJsxSpreadAttribute = createJsxSpreadAttribute;
-    function updateJsxSpreadAttribute(node, expression) {
-        return node.expression !== expression
-            ? updateNode(createJsxSpreadAttribute(expression), node)
-            : node;
-    }
-    ts.updateJsxSpreadAttribute = updateJsxSpreadAttribute;
-    function createJsxExpression(dotDotDotToken, expression) {
-        var node = createSynthesizedNode(256);
-        node.dotDotDotToken = dotDotDotToken;
-        node.expression = expression;
-        return node;
-    }
-    ts.createJsxExpression = createJsxExpression;
-    function updateJsxExpression(node, expression) {
-        return node.expression !== expression
-            ? updateNode(createJsxExpression(node.dotDotDotToken, expression), node)
-            : node;
-    }
-    ts.updateJsxExpression = updateJsxExpression;
-    function createCaseClause(expression, statements) {
-        var node = createSynthesizedNode(257);
-        node.expression = ts.parenthesizeExpressionForList(expression);
-        node.statements = createNodeArray(statements);
-        return node;
-    }
-    ts.createCaseClause = createCaseClause;
-    function updateCaseClause(node, expression, statements) {
-        return node.expression !== expression
-            || node.statements !== statements
-            ? updateNode(createCaseClause(expression, statements), node)
-            : node;
-    }
-    ts.updateCaseClause = updateCaseClause;
-    function createDefaultClause(statements) {
-        var node = createSynthesizedNode(258);
-        node.statements = createNodeArray(statements);
-        return node;
-    }
-    ts.createDefaultClause = createDefaultClause;
-    function updateDefaultClause(node, statements) {
-        return node.statements !== statements
-            ? updateNode(createDefaultClause(statements), node)
-            : node;
-    }
-    ts.updateDefaultClause = updateDefaultClause;
-    function createHeritageClause(token, types) {
-        var node = createSynthesizedNode(259);
-        node.token = token;
-        node.types = createNodeArray(types);
-        return node;
-    }
-    ts.createHeritageClause = createHeritageClause;
-    function updateHeritageClause(node, types) {
-        return node.types !== types
-            ? updateNode(createHeritageClause(node.token, types), node)
-            : node;
-    }
-    ts.updateHeritageClause = updateHeritageClause;
-    function createCatchClause(variableDeclaration, block) {
-        var node = createSynthesizedNode(260);
-        node.variableDeclaration = typeof variableDeclaration === "string" ? createVariableDeclaration(variableDeclaration) : variableDeclaration;
-        node.block = block;
-        return node;
-    }
-    ts.createCatchClause = createCatchClause;
-    function updateCatchClause(node, variableDeclaration, block) {
-        return node.variableDeclaration !== variableDeclaration
-            || node.block !== block
-            ? updateNode(createCatchClause(variableDeclaration, block), node)
-            : node;
-    }
-    ts.updateCatchClause = updateCatchClause;
-    function createPropertyAssignment(name, initializer) {
-        var node = createSynthesizedNode(261);
-        node.name = asName(name);
-        node.questionToken = undefined;
-        node.initializer = initializer !== undefined ? ts.parenthesizeExpressionForList(initializer) : undefined;
-        return node;
-    }
-    ts.createPropertyAssignment = createPropertyAssignment;
-    function updatePropertyAssignment(node, name, initializer) {
-        return node.name !== name
-            || node.initializer !== initializer
-            ? updateNode(createPropertyAssignment(name, initializer), node)
-            : node;
-    }
-    ts.updatePropertyAssignment = updatePropertyAssignment;
-    function createShorthandPropertyAssignment(name, objectAssignmentInitializer) {
-        var node = createSynthesizedNode(262);
-        node.name = asName(name);
-        node.objectAssignmentInitializer = objectAssignmentInitializer !== undefined ? ts.parenthesizeExpressionForList(objectAssignmentInitializer) : undefined;
-        return node;
-    }
-    ts.createShorthandPropertyAssignment = createShorthandPropertyAssignment;
-    function updateShorthandPropertyAssignment(node, name, objectAssignmentInitializer) {
-        return node.name !== name
-            || node.objectAssignmentInitializer !== objectAssignmentInitializer
-            ? updateNode(createShorthandPropertyAssignment(name, objectAssignmentInitializer), node)
-            : node;
-    }
-    ts.updateShorthandPropertyAssignment = updateShorthandPropertyAssignment;
-    function createSpreadAssignment(expression) {
-        var node = createSynthesizedNode(263);
-        node.expression = expression !== undefined ? ts.parenthesizeExpressionForList(expression) : undefined;
-        return node;
-    }
-    ts.createSpreadAssignment = createSpreadAssignment;
-    function updateSpreadAssignment(node, expression) {
-        return node.expression !== expression
-            ? updateNode(createSpreadAssignment(expression), node)
-            : node;
-    }
-    ts.updateSpreadAssignment = updateSpreadAssignment;
-    function createEnumMember(name, initializer) {
-        var node = createSynthesizedNode(264);
-        node.name = asName(name);
-        node.initializer = initializer && ts.parenthesizeExpressionForList(initializer);
-        return node;
-    }
-    ts.createEnumMember = createEnumMember;
-    function updateEnumMember(node, name, initializer) {
-        return node.name !== name
-            || node.initializer !== initializer
-            ? updateNode(createEnumMember(name, initializer), node)
-            : node;
-    }
-    ts.updateEnumMember = updateEnumMember;
-    function updateSourceFileNode(node, statements) {
-        if (node.statements !== statements) {
-            var updated = createSynthesizedNode(265);
-            updated.flags |= node.flags;
-            updated.statements = createNodeArray(statements);
-            updated.endOfFileToken = node.endOfFileToken;
-            updated.fileName = node.fileName;
-            updated.path = node.path;
-            updated.text = node.text;
-            if (node.amdDependencies !== undefined)
-                updated.amdDependencies = node.amdDependencies;
-            if (node.moduleName !== undefined)
-                updated.moduleName = node.moduleName;
-            if (node.referencedFiles !== undefined)
-                updated.referencedFiles = node.referencedFiles;
-            if (node.typeReferenceDirectives !== undefined)
-                updated.typeReferenceDirectives = node.typeReferenceDirectives;
-            if (node.languageVariant !== undefined)
-                updated.languageVariant = node.languageVariant;
-            if (node.isDeclarationFile !== undefined)
-                updated.isDeclarationFile = node.isDeclarationFile;
-            if (node.renamedDependencies !== undefined)
-                updated.renamedDependencies = node.renamedDependencies;
-            if (node.hasNoDefaultLib !== undefined)
-                updated.hasNoDefaultLib = node.hasNoDefaultLib;
-            if (node.languageVersion !== undefined)
-                updated.languageVersion = node.languageVersion;
-            if (node.scriptKind !== undefined)
-                updated.scriptKind = node.scriptKind;
-            if (node.externalModuleIndicator !== undefined)
-                updated.externalModuleIndicator = node.externalModuleIndicator;
-            if (node.commonJsModuleIndicator !== undefined)
-                updated.commonJsModuleIndicator = node.commonJsModuleIndicator;
-            if (node.identifiers !== undefined)
-                updated.identifiers = node.identifiers;
-            if (node.nodeCount !== undefined)
-                updated.nodeCount = node.nodeCount;
-            if (node.identifierCount !== undefined)
-                updated.identifierCount = node.identifierCount;
-            if (node.symbolCount !== undefined)
-                updated.symbolCount = node.symbolCount;
-            if (node.parseDiagnostics !== undefined)
-                updated.parseDiagnostics = node.parseDiagnostics;
-            if (node.bindDiagnostics !== undefined)
-                updated.bindDiagnostics = node.bindDiagnostics;
-            if (node.lineMap !== undefined)
-                updated.lineMap = node.lineMap;
-            if (node.classifiableNames !== undefined)
-                updated.classifiableNames = node.classifiableNames;
-            if (node.resolvedModules !== undefined)
-                updated.resolvedModules = node.resolvedModules;
-            if (node.resolvedTypeReferenceDirectiveNames !== undefined)
-                updated.resolvedTypeReferenceDirectiveNames = node.resolvedTypeReferenceDirectiveNames;
-            if (node.imports !== undefined)
-                updated.imports = node.imports;
-            if (node.moduleAugmentations !== undefined)
-                updated.moduleAugmentations = node.moduleAugmentations;
-            return updateNode(updated, node);
-        }
-        return node;
-    }
-    ts.updateSourceFileNode = updateSourceFileNode;
-    function getMutableClone(node) {
-        var clone = getSynthesizedClone(node);
-        clone.pos = node.pos;
-        clone.end = node.end;
-        clone.parent = node.parent;
-        return clone;
-    }
-    ts.getMutableClone = getMutableClone;
-    function createNotEmittedStatement(original) {
-        var node = createSynthesizedNode(296);
-        node.original = original;
-        setTextRange(node, original);
-        return node;
-    }
-    ts.createNotEmittedStatement = createNotEmittedStatement;
-    function createEndOfDeclarationMarker(original) {
-        var node = createSynthesizedNode(300);
-        node.emitNode = {};
-        node.original = original;
-        return node;
-    }
-    ts.createEndOfDeclarationMarker = createEndOfDeclarationMarker;
-    function createMergeDeclarationMarker(original) {
-        var node = createSynthesizedNode(299);
-        node.emitNode = {};
-        node.original = original;
-        return node;
-    }
-    ts.createMergeDeclarationMarker = createMergeDeclarationMarker;
-    function createPartiallyEmittedExpression(expression, original) {
-        var node = createSynthesizedNode(297);
-        node.expression = expression;
-        node.original = original;
-        setTextRange(node, original);
-        return node;
-    }
-    ts.createPartiallyEmittedExpression = createPartiallyEmittedExpression;
-    function updatePartiallyEmittedExpression(node, expression) {
-        if (node.expression !== expression) {
-            return updateNode(createPartiallyEmittedExpression(expression, node.original), node);
-        }
-        return node;
-    }
-    ts.updatePartiallyEmittedExpression = updatePartiallyEmittedExpression;
-    function flattenCommaElements(node) {
-        if (ts.nodeIsSynthesized(node) && !ts.isParseTreeNode(node) && !node.original && !node.emitNode && !node.id) {
-            if (node.kind === 298) {
-                return node.elements;
-            }
-            if (ts.isBinaryExpression(node) && node.operatorToken.kind === 26) {
-                return [node.left, node.right];
-            }
-        }
-        return node;
-    }
-    function createCommaList(elements) {
-        var node = createSynthesizedNode(298);
-        node.elements = createNodeArray(ts.sameFlatMap(elements, flattenCommaElements));
-        return node;
-    }
-    ts.createCommaList = createCommaList;
-    function updateCommaList(node, elements) {
-        return node.elements !== elements
-            ? updateNode(createCommaList(elements), node)
-            : node;
-    }
-    ts.updateCommaList = updateCommaList;
-    function createBundle(sourceFiles) {
-        var node = ts.createNode(266);
-        node.sourceFiles = sourceFiles;
-        return node;
-    }
-    ts.createBundle = createBundle;
-    function updateBundle(node, sourceFiles) {
-        if (node.sourceFiles !== sourceFiles) {
-            return createBundle(sourceFiles);
-        }
-        return node;
-    }
-    ts.updateBundle = updateBundle;
-    function createImmediatelyInvokedFunctionExpression(statements, param, paramValue) {
-        return createCall(createFunctionExpression(undefined, undefined, undefined, undefined, param ? [param] : [], undefined, createBlock(statements, true)), undefined, paramValue ? [paramValue] : []);
-    }
-    ts.createImmediatelyInvokedFunctionExpression = createImmediatelyInvokedFunctionExpression;
-    function createComma(left, right) {
-        return createBinary(left, 26, right);
-    }
-    ts.createComma = createComma;
-    function createLessThan(left, right) {
-        return createBinary(left, 27, right);
-    }
-    ts.createLessThan = createLessThan;
-    function createAssignment(left, right) {
-        return createBinary(left, 58, right);
-    }
-    ts.createAssignment = createAssignment;
-    function createStrictEquality(left, right) {
-        return createBinary(left, 34, right);
-    }
-    ts.createStrictEquality = createStrictEquality;
-    function createStrictInequality(left, right) {
-        return createBinary(left, 35, right);
-    }
-    ts.createStrictInequality = createStrictInequality;
-    function createAdd(left, right) {
-        return createBinary(left, 37, right);
-    }
-    ts.createAdd = createAdd;
-    function createSubtract(left, right) {
-        return createBinary(left, 38, right);
-    }
-    ts.createSubtract = createSubtract;
-    function createPostfixIncrement(operand) {
-        return createPostfix(operand, 43);
-    }
-    ts.createPostfixIncrement = createPostfixIncrement;
-    function createLogicalAnd(left, right) {
-        return createBinary(left, 53, right);
-    }
-    ts.createLogicalAnd = createLogicalAnd;
-    function createLogicalOr(left, right) {
-        return createBinary(left, 54, right);
-    }
-    ts.createLogicalOr = createLogicalOr;
-    function createLogicalNot(operand) {
-        return createPrefix(51, operand);
-    }
-    ts.createLogicalNot = createLogicalNot;
-    function createVoidZero() {
-        return createVoid(createLiteral(0));
-    }
-    ts.createVoidZero = createVoidZero;
-    function createExportDefault(expression) {
-        return createExportAssignment(undefined, undefined, false, expression);
-    }
-    ts.createExportDefault = createExportDefault;
-    function createExternalModuleExport(exportName) {
-        return createExportDeclaration(undefined, undefined, createNamedExports([createExportSpecifier(undefined, exportName)]));
-    }
-    ts.createExternalModuleExport = createExternalModuleExport;
-    function asName(name) {
-        return typeof name === "string" ? createIdentifier(name) : name;
-    }
-    function asExpression(value) {
-        return typeof value === "string" || typeof value === "number" ? createLiteral(value) : value;
-    }
-    function asNodeArray(array) {
-        return array ? createNodeArray(array) : undefined;
-    }
-    function asToken(value) {
-        return typeof value === "number" ? createToken(value) : value;
+    function tokenIsIdentifierOrKeyword(token) {
+        return token >= 71;
     }
-    function disposeEmitNodes(sourceFile) {
-        sourceFile = ts.getSourceFileOfNode(ts.getParseTreeNode(sourceFile));
-        var emitNode = sourceFile && sourceFile.emitNode;
-        var annotatedNodes = emitNode && emitNode.annotatedNodes;
-        if (annotatedNodes) {
-            for (var _i = 0, annotatedNodes_1 = annotatedNodes; _i < annotatedNodes_1.length; _i++) {
-                var node = annotatedNodes_1[_i];
-                node.emitNode = undefined;
-            }
+    ts.tokenIsIdentifierOrKeyword = tokenIsIdentifierOrKeyword;
+    var textToToken = ts.createMapFromTemplate({
+        "abstract": 117,
+        "any": 119,
+        "as": 118,
+        "boolean": 122,
+        "break": 72,
+        "case": 73,
+        "catch": 74,
+        "class": 75,
+        "continue": 77,
+        "const": 76,
+        "constructor": 123,
+        "debugger": 78,
+        "declare": 124,
+        "default": 79,
+        "delete": 80,
+        "do": 81,
+        "else": 82,
+        "enum": 83,
+        "export": 84,
+        "extends": 85,
+        "false": 86,
+        "finally": 87,
+        "for": 88,
+        "from": 140,
+        "function": 89,
+        "get": 125,
+        "if": 90,
+        "implements": 108,
+        "import": 91,
+        "in": 92,
+        "instanceof": 93,
+        "interface": 109,
+        "is": 126,
+        "keyof": 127,
+        "let": 110,
+        "module": 128,
+        "namespace": 129,
+        "never": 130,
+        "new": 94,
+        "null": 95,
+        "number": 133,
+        "object": 134,
+        "package": 111,
+        "private": 112,
+        "protected": 113,
+        "public": 114,
+        "readonly": 131,
+        "require": 132,
+        "global": 141,
+        "return": 96,
+        "set": 135,
+        "static": 115,
+        "string": 136,
+        "super": 97,
+        "switch": 98,
+        "symbol": 137,
+        "this": 99,
+        "throw": 100,
+        "true": 101,
+        "try": 102,
+        "type": 138,
+        "typeof": 103,
+        "undefined": 139,
+        "var": 104,
+        "void": 105,
+        "while": 106,
+        "with": 107,
+        "yield": 116,
+        "async": 120,
+        "await": 121,
+        "of": 142,
+        "{": 17,
+        "}": 18,
+        "(": 19,
+        ")": 20,
+        "[": 21,
+        "]": 22,
+        ".": 23,
+        "...": 24,
+        ";": 25,
+        ",": 26,
+        "<": 27,
+        ">": 29,
+        "<=": 30,
+        ">=": 31,
+        "==": 32,
+        "!=": 33,
+        "===": 34,
+        "!==": 35,
+        "=>": 36,
+        "+": 37,
+        "-": 38,
+        "**": 40,
+        "*": 39,
+        "/": 41,
+        "%": 42,
+        "++": 43,
+        "--": 44,
+        "<<": 45,
+        "</": 28,
+        ">>": 46,
+        ">>>": 47,
+        "&": 48,
+        "|": 49,
+        "^": 50,
+        "!": 51,
+        "~": 52,
+        "&&": 53,
+        "||": 54,
+        "?": 55,
+        ":": 56,
+        "=": 58,
+        "+=": 59,
+        "-=": 60,
+        "*=": 61,
+        "**=": 62,
+        "/=": 63,
+        "%=": 64,
+        "<<=": 65,
+        ">>=": 66,
+        ">>>=": 67,
+        "&=": 68,
+        "|=": 69,
+        "^=": 70,
+        "@": 57,
+    });
+    var unicodeES3IdentifierStart = [170, 170, 181, 181, 186, 186, 192, 214, 216, 246, 248, 543, 546, 563, 592, 685, 688, 696, 699, 705, 720, 721, 736, 740, 750, 750, 890, 890, 902, 902, 904, 906, 908, 908, 910, 929, 931, 974, 976, 983, 986, 1011, 1024, 1153, 1164, 1220, 1223, 1224, 1227, 1228, 1232, 1269, 1272, 1273, 1329, 1366, 1369, 1369, 1377, 1415, 1488, 1514, 1520, 1522, 1569, 1594, 1600, 1610, 1649, 1747, 1749, 1749, 1765, 1766, 1786, 1788, 1808, 1808, 1810, 1836, 1920, 1957, 2309, 2361, 2365, 2365, 2384, 2384, 2392, 2401, 2437, 2444, 2447, 2448, 2451, 2472, 2474, 2480, 2482, 2482, 2486, 2489, 2524, 2525, 2527, 2529, 2544, 2545, 2565, 2570, 2575, 2576, 2579, 2600, 2602, 2608, 2610, 2611, 2613, 2614, 2616, 2617, 2649, 2652, 2654, 2654, 2674, 2676, 2693, 2699, 2701, 2701, 2703, 2705, 2707, 2728, 2730, 2736, 2738, 2739, 2741, 2745, 2749, 2749, 2768, 2768, 2784, 2784, 2821, 2828, 2831, 2832, 2835, 2856, 2858, 2864, 2866, 2867, 2870, 2873, 2877, 2877, 2908, 2909, 2911, 2913, 2949, 2954, 2958, 2960, 2962, 2965, 2969, 2970, 2972, 2972, 2974, 2975, 2979, 2980, 2984, 2986, 2990, 2997, 2999, 3001, 3077, 3084, 3086, 3088, 3090, 3112, 3114, 3123, 3125, 3129, 3168, 3169, 3205, 3212, 3214, 3216, 3218, 3240, 3242, 3251, 3253, 3257, 3294, 3294, 3296, 3297, 3333, 3340, 3342, 3344, 3346, 3368, 3370, 3385, 3424, 3425, 3461, 3478, 3482, 3505, 3507, 3515, 3517, 3517, 3520, 3526, 3585, 3632, 3634, 3635, 3648, 3654, 3713, 3714, 3716, 3716, 3719, 3720, 3722, 3722, 3725, 3725, 3732, 3735, 3737, 3743, 3745, 3747, 3749, 3749, 3751, 3751, 3754, 3755, 3757, 3760, 3762, 3763, 3773, 3773, 3776, 3780, 3782, 3782, 3804, 3805, 3840, 3840, 3904, 3911, 3913, 3946, 3976, 3979, 4096, 4129, 4131, 4135, 4137, 4138, 4176, 4181, 4256, 4293, 4304, 4342, 4352, 4441, 4447, 4514, 4520, 4601, 4608, 4614, 4616, 4678, 4680, 4680, 4682, 4685, 4688, 4694, 4696, 4696, 4698, 4701, 4704, 4742, 4744, 4744, 4746, 4749, 4752, 4782, 4784, 4784, 4786, 4789, 4792, 4798, 4800, 4800, 4802, 4805, 4808, 4814, 4816, 4822, 4824, 4846, 4848, 4878, 4880, 4880, 4882, 4885, 4888, 4894, 4896, 4934, 4936, 4954, 5024, 5108, 5121, 5740, 5743, 5750, 5761, 5786, 5792, 5866, 6016, 6067, 6176, 6263, 6272, 6312, 7680, 7835, 7840, 7929, 7936, 7957, 7960, 7965, 7968, 8005, 8008, 8013, 8016, 8023, 8025, 8025, 8027, 8027, 8029, 8029, 8031, 8061, 8064, 8116, 8118, 8124, 8126, 8126, 8130, 8132, 8134, 8140, 8144, 8147, 8150, 8155, 8160, 8172, 8178, 8180, 8182, 8188, 8319, 8319, 8450, 8450, 8455, 8455, 8458, 8467, 8469, 8469, 8473, 8477, 8484, 8484, 8486, 8486, 8488, 8488, 8490, 8493, 8495, 8497, 8499, 8505, 8544, 8579, 12293, 12295, 12321, 12329, 12337, 12341, 12344, 12346, 12353, 12436, 12445, 12446, 12449, 12538, 12540, 12542, 12549, 12588, 12593, 12686, 12704, 12727, 13312, 19893, 19968, 40869, 40960, 42124, 44032, 55203, 63744, 64045, 64256, 64262, 64275, 64279, 64285, 64285, 64287, 64296, 64298, 64310, 64312, 64316, 64318, 64318, 64320, 64321, 64323, 64324, 64326, 64433, 64467, 64829, 64848, 64911, 64914, 64967, 65008, 65019, 65136, 65138, 65140, 65140, 65142, 65276, 65313, 65338, 65345, 65370, 65382, 65470, 65474, 65479, 65482, 65487, 65490, 65495, 65498, 65500,];
+    var unicodeES3IdentifierPart = [170, 170, 181, 181, 186, 186, 192, 214, 216, 246, 248, 543, 546, 563, 592, 685, 688, 696, 699, 705, 720, 721, 736, 740, 750, 750, 768, 846, 864, 866, 890, 890, 902, 902, 904, 906, 908, 908, 910, 929, 931, 974, 976, 983, 986, 1011, 1024, 1153, 1155, 1158, 1164, 1220, 1223, 1224, 1227, 1228, 1232, 1269, 1272, 1273, 1329, 1366, 1369, 1369, 1377, 1415, 1425, 1441, 1443, 1465, 1467, 1469, 1471, 1471, 1473, 1474, 1476, 1476, 1488, 1514, 1520, 1522, 1569, 1594, 1600, 1621, 1632, 1641, 1648, 1747, 1749, 1756, 1759, 1768, 1770, 1773, 1776, 1788, 1808, 1836, 1840, 1866, 1920, 1968, 2305, 2307, 2309, 2361, 2364, 2381, 2384, 2388, 2392, 2403, 2406, 2415, 2433, 2435, 2437, 2444, 2447, 2448, 2451, 2472, 2474, 2480, 2482, 2482, 2486, 2489, 2492, 2492, 2494, 2500, 2503, 2504, 2507, 2509, 2519, 2519, 2524, 2525, 2527, 2531, 2534, 2545, 2562, 2562, 2565, 2570, 2575, 2576, 2579, 2600, 2602, 2608, 2610, 2611, 2613, 2614, 2616, 2617, 2620, 2620, 2622, 2626, 2631, 2632, 2635, 2637, 2649, 2652, 2654, 2654, 2662, 2676, 2689, 2691, 2693, 2699, 2701, 2701, 2703, 2705, 2707, 2728, 2730, 2736, 2738, 2739, 2741, 2745, 2748, 2757, 2759, 2761, 2763, 2765, 2768, 2768, 2784, 2784, 2790, 2799, 2817, 2819, 2821, 2828, 2831, 2832, 2835, 2856, 2858, 2864, 2866, 2867, 2870, 2873, 2876, 2883, 2887, 2888, 2891, 2893, 2902, 2903, 2908, 2909, 2911, 2913, 2918, 2927, 2946, 2947, 2949, 2954, 2958, 2960, 2962, 2965, 2969, 2970, 2972, 2972, 2974, 2975, 2979, 2980, 2984, 2986, 2990, 2997, 2999, 3001, 3006, 3010, 3014, 3016, 3018, 3021, 3031, 3031, 3047, 3055, 3073, 3075, 3077, 3084, 3086, 3088, 3090, 3112, 3114, 3123, 3125, 3129, 3134, 3140, 3142, 3144, 3146, 3149, 3157, 3158, 3168, 3169, 3174, 3183, 3202, 3203, 3205, 3212, 3214, 3216, 3218, 3240, 3242, 3251, 3253, 3257, 3262, 3268, 3270, 3272, 3274, 3277, 3285, 3286, 3294, 3294, 3296, 3297, 3302, 3311, 3330, 3331, 3333, 3340, 3342, 3344, 3346, 3368, 3370, 3385, 3390, 3395, 3398, 3400, 3402, 3405, 3415, 3415, 3424, 3425, 3430, 3439, 3458, 3459, 3461, 3478, 3482, 3505, 3507, 3515, 3517, 3517, 3520, 3526, 3530, 3530, 3535, 3540, 3542, 3542, 3544, 3551, 3570, 3571, 3585, 3642, 3648, 3662, 3664, 3673, 3713, 3714, 3716, 3716, 3719, 3720, 3722, 3722, 3725, 3725, 3732, 3735, 3737, 3743, 3745, 3747, 3749, 3749, 3751, 3751, 3754, 3755, 3757, 3769, 3771, 3773, 3776, 3780, 3782, 3782, 3784, 3789, 3792, 3801, 3804, 3805, 3840, 3840, 3864, 3865, 3872, 3881, 3893, 3893, 3895, 3895, 3897, 3897, 3902, 3911, 3913, 3946, 3953, 3972, 3974, 3979, 3984, 3991, 3993, 4028, 4038, 4038, 4096, 4129, 4131, 4135, 4137, 4138, 4140, 4146, 4150, 4153, 4160, 4169, 4176, 4185, 4256, 4293, 4304, 4342, 4352, 4441, 4447, 4514, 4520, 4601, 4608, 4614, 4616, 4678, 4680, 4680, 4682, 4685, 4688, 4694, 4696, 4696, 4698, 4701, 4704, 4742, 4744, 4744, 4746, 4749, 4752, 4782, 4784, 4784, 4786, 4789, 4792, 4798, 4800, 4800, 4802, 4805, 4808, 4814, 4816, 4822, 4824, 4846, 4848, 4878, 4880, 4880, 4882, 4885, 4888, 4894, 4896, 4934, 4936, 4954, 4969, 4977, 5024, 5108, 5121, 5740, 5743, 5750, 5761, 5786, 5792, 5866, 6016, 6099, 6112, 6121, 6160, 6169, 6176, 6263, 6272, 6313, 7680, 7835, 7840, 7929, 7936, 7957, 7960, 7965, 7968, 8005, 8008, 8013, 8016, 8023, 8025, 8025, 8027, 8027, 8029, 8029, 8031, 8061, 8064, 8116, 8118, 8124, 8126, 8126, 8130, 8132, 8134, 8140, 8144, 8147, 8150, 8155, 8160, 8172, 8178, 8180, 8182, 8188, 8255, 8256, 8319, 8319, 8400, 8412, 8417, 8417, 8450, 8450, 8455, 8455, 8458, 8467, 8469, 8469, 8473, 8477, 8484, 8484, 8486, 8486, 8488, 8488, 8490, 8493, 8495, 8497, 8499, 8505, 8544, 8579, 12293, 12295, 12321, 12335, 12337, 12341, 12344, 12346, 12353, 12436, 12441, 12442, 12445, 12446, 12449, 12542, 12549, 12588, 12593, 12686, 12704, 12727, 13312, 19893, 19968, 40869, 40960, 42124, 44032, 55203, 63744, 64045, 64256, 64262, 64275, 64279, 64285, 64296, 64298, 64310, 64312, 64316, 64318, 64318, 64320, 64321, 64323, 64324, 64326, 64433, 64467, 64829, 64848, 64911, 64914, 64967, 65008, 65019, 65056, 65059, 65075, 65076, 65101, 65103, 65136, 65138, 65140, 65140, 65142, 65276, 65296, 65305, 65313, 65338, 65343, 65343, 65345, 65370, 65381, 65470, 65474, 65479, 65482, 65487, 65490, 65495, 65498, 65500,];
+    var unicodeES5IdentifierStart = [170, 170, 181, 181, 186, 186, 192, 214, 216, 246, 248, 705, 710, 721, 736, 740, 748, 748, 750, 750, 880, 884, 886, 887, 890, 893, 902, 902, 904, 906, 908, 908, 910, 929, 931, 1013, 1015, 1153, 1162, 1319, 1329, 1366, 1369, 1369, 1377, 1415, 1488, 1514, 1520, 1522, 1568, 1610, 1646, 1647, 1649, 1747, 1749, 1749, 1765, 1766, 1774, 1775, 1786, 1788, 1791, 1791, 1808, 1808, 1810, 1839, 1869, 1957, 1969, 1969, 1994, 2026, 2036, 2037, 2042, 2042, 2048, 2069, 2074, 2074, 2084, 2084, 2088, 2088, 2112, 2136, 2208, 2208, 2210, 2220, 2308, 2361, 2365, 2365, 2384, 2384, 2392, 2401, 2417, 2423, 2425, 2431, 2437, 2444, 2447, 2448, 2451, 2472, 2474, 2480, 2482, 2482, 2486, 2489, 2493, 2493, 2510, 2510, 2524, 2525, 2527, 2529, 2544, 2545, 2565, 2570, 2575, 2576, 2579, 2600, 2602, 2608, 2610, 2611, 2613, 2614, 2616, 2617, 2649, 2652, 2654, 2654, 2674, 2676, 2693, 2701, 2703, 2705, 2707, 2728, 2730, 2736, 2738, 2739, 2741, 2745, 2749, 2749, 2768, 2768, 2784, 2785, 2821, 2828, 2831, 2832, 2835, 2856, 2858, 2864, 2866, 2867, 2869, 2873, 2877, 2877, 2908, 2909, 2911, 2913, 2929, 2929, 2947, 2947, 2949, 2954, 2958, 2960, 2962, 2965, 2969, 2970, 2972, 2972, 2974, 2975, 2979, 2980, 2984, 2986, 2990, 3001, 3024, 3024, 3077, 3084, 3086, 3088, 3090, 3112, 3114, 3123, 3125, 3129, 3133, 3133, 3160, 3161, 3168, 3169, 3205, 3212, 3214, 3216, 3218, 3240, 3242, 3251, 3253, 3257, 3261, 3261, 3294, 3294, 3296, 3297, 3313, 3314, 3333, 3340, 3342, 3344, 3346, 3386, 3389, 3389, 3406, 3406, 3424, 3425, 3450, 3455, 3461, 3478, 3482, 3505, 3507, 3515, 3517, 3517, 3520, 3526, 3585, 3632, 3634, 3635, 3648, 3654, 3713, 3714, 3716, 3716, 3719, 3720, 3722, 3722, 3725, 3725, 3732, 3735, 3737, 3743, 3745, 3747, 3749, 3749, 3751, 3751, 3754, 3755, 3757, 3760, 3762, 3763, 3773, 3773, 3776, 3780, 3782, 3782, 3804, 3807, 3840, 3840, 3904, 3911, 3913, 3948, 3976, 3980, 4096, 4138, 4159, 4159, 4176, 4181, 4186, 4189, 4193, 4193, 4197, 4198, 4206, 4208, 4213, 4225, 4238, 4238, 4256, 4293, 4295, 4295, 4301, 4301, 4304, 4346, 4348, 4680, 4682, 4685, 4688, 4694, 4696, 4696, 4698, 4701, 4704, 4744, 4746, 4749, 4752, 4784, 4786, 4789, 4792, 4798, 4800, 4800, 4802, 4805, 4808, 4822, 4824, 4880, 4882, 4885, 4888, 4954, 4992, 5007, 5024, 5108, 5121, 5740, 5743, 5759, 5761, 5786, 5792, 5866, 5870, 5872, 5888, 5900, 5902, 5905, 5920, 5937, 5952, 5969, 5984, 5996, 5998, 6000, 6016, 6067, 6103, 6103, 6108, 6108, 6176, 6263, 6272, 6312, 6314, 6314, 6320, 6389, 6400, 6428, 6480, 6509, 6512, 6516, 6528, 6571, 6593, 6599, 6656, 6678, 6688, 6740, 6823, 6823, 6917, 6963, 6981, 6987, 7043, 7072, 7086, 7087, 7098, 7141, 7168, 7203, 7245, 7247, 7258, 7293, 7401, 7404, 7406, 7409, 7413, 7414, 7424, 7615, 7680, 7957, 7960, 7965, 7968, 8005, 8008, 8013, 8016, 8023, 8025, 8025, 8027, 8027, 8029, 8029, 8031, 8061, 8064, 8116, 8118, 8124, 8126, 8126, 8130, 8132, 8134, 8140, 8144, 8147, 8150, 8155, 8160, 8172, 8178, 8180, 8182, 8188, 8305, 8305, 8319, 8319, 8336, 8348, 8450, 8450, 8455, 8455, 8458, 8467, 8469, 8469, 8473, 8477, 8484, 8484, 8486, 8486, 8488, 8488, 8490, 8493, 8495, 8505, 8508, 8511, 8517, 8521, 8526, 8526, 8544, 8584, 11264, 11310, 11312, 11358, 11360, 11492, 11499, 11502, 11506, 11507, 11520, 11557, 11559, 11559, 11565, 11565, 11568, 11623, 11631, 11631, 11648, 11670, 11680, 11686, 11688, 11694, 11696, 11702, 11704, 11710, 11712, 11718, 11720, 11726, 11728, 11734, 11736, 11742, 11823, 11823, 12293, 12295, 12321, 12329, 12337, 12341, 12344, 12348, 12353, 12438, 12445, 12447, 12449, 12538, 12540, 12543, 12549, 12589, 12593, 12686, 12704, 12730, 12784, 12799, 13312, 19893, 19968, 40908, 40960, 42124, 42192, 42237, 42240, 42508, 42512, 42527, 42538, 42539, 42560, 42606, 42623, 42647, 42656, 42735, 42775, 42783, 42786, 42888, 42891, 42894, 42896, 42899, 42912, 42922, 43000, 43009, 43011, 43013, 43015, 43018, 43020, 43042, 43072, 43123, 43138, 43187, 43250, 43255, 43259, 43259, 43274, 43301, 43312, 43334, 43360, 43388, 43396, 43442, 43471, 43471, 43520, 43560, 43584, 43586, 43588, 43595, 43616, 43638, 43642, 43642, 43648, 43695, 43697, 43697, 43701, 43702, 43705, 43709, 43712, 43712, 43714, 43714, 43739, 43741, 43744, 43754, 43762, 43764, 43777, 43782, 43785, 43790, 43793, 43798, 43808, 43814, 43816, 43822, 43968, 44002, 44032, 55203, 55216, 55238, 55243, 55291, 63744, 64109, 64112, 64217, 64256, 64262, 64275, 64279, 64285, 64285, 64287, 64296, 64298, 64310, 64312, 64316, 64318, 64318, 64320, 64321, 64323, 64324, 64326, 64433, 64467, 64829, 64848, 64911, 64914, 64967, 65008, 65019, 65136, 65140, 65142, 65276, 65313, 65338, 65345, 65370, 65382, 65470, 65474, 65479, 65482, 65487, 65490, 65495, 65498, 65500,];
+    var unicodeES5IdentifierPart = [170, 170, 181, 181, 186, 186, 192, 214, 216, 246, 248, 705, 710, 721, 736, 740, 748, 748, 750, 750, 768, 884, 886, 887, 890, 893, 902, 902, 904, 906, 908, 908, 910, 929, 931, 1013, 1015, 1153, 1155, 1159, 1162, 1319, 1329, 1366, 1369, 1369, 1377, 1415, 1425, 1469, 1471, 1471, 1473, 1474, 1476, 1477, 1479, 1479, 1488, 1514, 1520, 1522, 1552, 1562, 1568, 1641, 1646, 1747, 1749, 1756, 1759, 1768, 1770, 1788, 1791, 1791, 1808, 1866, 1869, 1969, 1984, 2037, 2042, 2042, 2048, 2093, 2112, 2139, 2208, 2208, 2210, 2220, 2276, 2302, 2304, 2403, 2406, 2415, 2417, 2423, 2425, 2431, 2433, 2435, 2437, 2444, 2447, 2448, 2451, 2472, 2474, 2480, 2482, 2482, 2486, 2489, 2492, 2500, 2503, 2504, 2507, 2510, 2519, 2519, 2524, 2525, 2527, 2531, 2534, 2545, 2561, 2563, 2565, 2570, 2575, 2576, 2579, 2600, 2602, 2608, 2610, 2611, 2613, 2614, 2616, 2617, 2620, 2620, 2622, 2626, 2631, 2632, 2635, 2637, 2641, 2641, 2649, 2652, 2654, 2654, 2662, 2677, 2689, 2691, 2693, 2701, 2703, 2705, 2707, 2728, 2730, 2736, 2738, 2739, 2741, 2745, 2748, 2757, 2759, 2761, 2763, 2765, 2768, 2768, 2784, 2787, 2790, 2799, 2817, 2819, 2821, 2828, 2831, 2832, 2835, 2856, 2858, 2864, 2866, 2867, 2869, 2873, 2876, 2884, 2887, 2888, 2891, 2893, 2902, 2903, 2908, 2909, 2911, 2915, 2918, 2927, 2929, 2929, 2946, 2947, 2949, 2954, 2958, 2960, 2962, 2965, 2969, 2970, 2972, 2972, 2974, 2975, 2979, 2980, 2984, 2986, 2990, 3001, 3006, 3010, 3014, 3016, 3018, 3021, 3024, 3024, 3031, 3031, 3046, 3055, 3073, 3075, 3077, 3084, 3086, 3088, 3090, 3112, 3114, 3123, 3125, 3129, 3133, 3140, 3142, 3144, 3146, 3149, 3157, 3158, 3160, 3161, 3168, 3171, 3174, 3183, 3202, 3203, 3205, 3212, 3214, 3216, 3218, 3240, 3242, 3251, 3253, 3257, 3260, 3268, 3270, 3272, 3274, 3277, 3285, 3286, 3294, 3294, 3296, 3299, 3302, 3311, 3313, 3314, 3330, 3331, 3333, 3340, 3342, 3344, 3346, 3386, 3389, 3396, 3398, 3400, 3402, 3406, 3415, 3415, 3424, 3427, 3430, 3439, 3450, 3455, 3458, 3459, 3461, 3478, 3482, 3505, 3507, 3515, 3517, 3517, 3520, 3526, 3530, 3530, 3535, 3540, 3542, 3542, 3544, 3551, 3570, 3571, 3585, 3642, 3648, 3662, 3664, 3673, 3713, 3714, 3716, 3716, 3719, 3720, 3722, 3722, 3725, 3725, 3732, 3735, 3737, 3743, 3745, 3747, 3749, 3749, 3751, 3751, 3754, 3755, 3757, 3769, 3771, 3773, 3776, 3780, 3782, 3782, 3784, 3789, 3792, 3801, 3804, 3807, 3840, 3840, 3864, 3865, 3872, 3881, 3893, 3893, 3895, 3895, 3897, 3897, 3902, 3911, 3913, 3948, 3953, 3972, 3974, 3991, 3993, 4028, 4038, 4038, 4096, 4169, 4176, 4253, 4256, 4293, 4295, 4295, 4301, 4301, 4304, 4346, 4348, 4680, 4682, 4685, 4688, 4694, 4696, 4696, 4698, 4701, 4704, 4744, 4746, 4749, 4752, 4784, 4786, 4789, 4792, 4798, 4800, 4800, 4802, 4805, 4808, 4822, 4824, 4880, 4882, 4885, 4888, 4954, 4957, 4959, 4992, 5007, 5024, 5108, 5121, 5740, 5743, 5759, 5761, 5786, 5792, 5866, 5870, 5872, 5888, 5900, 5902, 5908, 5920, 5940, 5952, 5971, 5984, 5996, 5998, 6000, 6002, 6003, 6016, 6099, 6103, 6103, 6108, 6109, 6112, 6121, 6155, 6157, 6160, 6169, 6176, 6263, 6272, 6314, 6320, 6389, 6400, 6428, 6432, 6443, 6448, 6459, 6470, 6509, 6512, 6516, 6528, 6571, 6576, 6601, 6608, 6617, 6656, 6683, 6688, 6750, 6752, 6780, 6783, 6793, 6800, 6809, 6823, 6823, 6912, 6987, 6992, 7001, 7019, 7027, 7040, 7155, 7168, 7223, 7232, 7241, 7245, 7293, 7376, 7378, 7380, 7414, 7424, 7654, 7676, 7957, 7960, 7965, 7968, 8005, 8008, 8013, 8016, 8023, 8025, 8025, 8027, 8027, 8029, 8029, 8031, 8061, 8064, 8116, 8118, 8124, 8126, 8126, 8130, 8132, 8134, 8140, 8144, 8147, 8150, 8155, 8160, 8172, 8178, 8180, 8182, 8188, 8204, 8205, 8255, 8256, 8276, 8276, 8305, 8305, 8319, 8319, 8336, 8348, 8400, 8412, 8417, 8417, 8421, 8432, 8450, 8450, 8455, 8455, 8458, 8467, 8469, 8469, 8473, 8477, 8484, 8484, 8486, 8486, 8488, 8488, 8490, 8493, 8495, 8505, 8508, 8511, 8517, 8521, 8526, 8526, 8544, 8584, 11264, 11310, 11312, 11358, 11360, 11492, 11499, 11507, 11520, 11557, 11559, 11559, 11565, 11565, 11568, 11623, 11631, 11631, 11647, 11670, 11680, 11686, 11688, 11694, 11696, 11702, 11704, 11710, 11712, 11718, 11720, 11726, 11728, 11734, 11736, 11742, 11744, 11775, 11823, 11823, 12293, 12295, 12321, 12335, 12337, 12341, 12344, 12348, 12353, 12438, 12441, 12442, 12445, 12447, 12449, 12538, 12540, 12543, 12549, 12589, 12593, 12686, 12704, 12730, 12784, 12799, 13312, 19893, 19968, 40908, 40960, 42124, 42192, 42237, 42240, 42508, 42512, 42539, 42560, 42607, 42612, 42621, 42623, 42647, 42655, 42737, 42775, 42783, 42786, 42888, 42891, 42894, 42896, 42899, 42912, 42922, 43000, 43047, 43072, 43123, 43136, 43204, 43216, 43225, 43232, 43255, 43259, 43259, 43264, 43309, 43312, 43347, 43360, 43388, 43392, 43456, 43471, 43481, 43520, 43574, 43584, 43597, 43600, 43609, 43616, 43638, 43642, 43643, 43648, 43714, 43739, 43741, 43744, 43759, 43762, 43766, 43777, 43782, 43785, 43790, 43793, 43798, 43808, 43814, 43816, 43822, 43968, 44010, 44012, 44013, 44016, 44025, 44032, 55203, 55216, 55238, 55243, 55291, 63744, 64109, 64112, 64217, 64256, 64262, 64275, 64279, 64285, 64296, 64298, 64310, 64312, 64316, 64318, 64318, 64320, 64321, 64323, 64324, 64326, 64433, 64467, 64829, 64848, 64911, 64914, 64967, 65008, 65019, 65024, 65039, 65056, 65062, 65075, 65076, 65101, 65103, 65136, 65140, 65142, 65276, 65296, 65305, 65313, 65338, 65343, 65343, 65345, 65370, 65382, 65470, 65474, 65479, 65482, 65487, 65490, 65495, 65498, 65500,];
+    function lookupInUnicodeMap(code, map) {
+        if (code < map[0]) {
+            return false;
         }
-    }
-    ts.disposeEmitNodes = disposeEmitNodes;
-    function getOrCreateEmitNode(node) {
-        if (!node.emitNode) {
-            if (ts.isParseTreeNode(node)) {
-                if (node.kind === 265) {
-                    return node.emitNode = { annotatedNodes: [node] };
-                }
-                var sourceFile = ts.getSourceFileOfNode(node);
-                getOrCreateEmitNode(sourceFile).annotatedNodes.push(node);
+        var lo = 0;
+        var hi = map.length;
+        var mid;
+        while (lo + 1 < hi) {
+            mid = lo + (hi - lo) / 2;
+            mid -= mid % 2;
+            if (map[mid] <= code && code <= map[mid + 1]) {
+                return true;
             }
-            node.emitNode = {};
-        }
-        return node.emitNode;
-    }
-    ts.getOrCreateEmitNode = getOrCreateEmitNode;
-    function setTextRange(range, location) {
-        if (location) {
-            range.pos = location.pos;
-            range.end = location.end;
-        }
-        return range;
-    }
-    ts.setTextRange = setTextRange;
-    function getEmitFlags(node) {
-        var emitNode = node.emitNode;
-        return emitNode && emitNode.flags;
-    }
-    ts.getEmitFlags = getEmitFlags;
-    function setEmitFlags(node, emitFlags) {
-        getOrCreateEmitNode(node).flags = emitFlags;
-        return node;
-    }
-    ts.setEmitFlags = setEmitFlags;
-    function getSourceMapRange(node) {
-        var emitNode = node.emitNode;
-        return (emitNode && emitNode.sourceMapRange) || node;
-    }
-    ts.getSourceMapRange = getSourceMapRange;
-    function setSourceMapRange(node, range) {
-        getOrCreateEmitNode(node).sourceMapRange = range;
-        return node;
-    }
-    ts.setSourceMapRange = setSourceMapRange;
-    var SourceMapSource;
-    function createSourceMapSource(fileName, text, skipTrivia) {
-        return new (SourceMapSource || (SourceMapSource = ts.objectAllocator.getSourceMapSourceConstructor()))(fileName, text, skipTrivia);
-    }
-    ts.createSourceMapSource = createSourceMapSource;
-    function getTokenSourceMapRange(node, token) {
-        var emitNode = node.emitNode;
-        var tokenSourceMapRanges = emitNode && emitNode.tokenSourceMapRanges;
-        return tokenSourceMapRanges && tokenSourceMapRanges[token];
-    }
-    ts.getTokenSourceMapRange = getTokenSourceMapRange;
-    function setTokenSourceMapRange(node, token, range) {
-        var emitNode = getOrCreateEmitNode(node);
-        var tokenSourceMapRanges = emitNode.tokenSourceMapRanges || (emitNode.tokenSourceMapRanges = []);
-        tokenSourceMapRanges[token] = range;
-        return node;
-    }
-    ts.setTokenSourceMapRange = setTokenSourceMapRange;
-    function getCommentRange(node) {
-        var emitNode = node.emitNode;
-        return (emitNode && emitNode.commentRange) || node;
-    }
-    ts.getCommentRange = getCommentRange;
-    function setCommentRange(node, range) {
-        getOrCreateEmitNode(node).commentRange = range;
-        return node;
-    }
-    ts.setCommentRange = setCommentRange;
-    function getSyntheticLeadingComments(node) {
-        var emitNode = node.emitNode;
-        return emitNode && emitNode.leadingComments;
-    }
-    ts.getSyntheticLeadingComments = getSyntheticLeadingComments;
-    function setSyntheticLeadingComments(node, comments) {
-        getOrCreateEmitNode(node).leadingComments = comments;
-        return node;
-    }
-    ts.setSyntheticLeadingComments = setSyntheticLeadingComments;
-    function addSyntheticLeadingComment(node, kind, text, hasTrailingNewLine) {
-        return setSyntheticLeadingComments(node, ts.append(getSyntheticLeadingComments(node), { kind: kind, pos: -1, end: -1, hasTrailingNewLine: hasTrailingNewLine, text: text }));
-    }
-    ts.addSyntheticLeadingComment = addSyntheticLeadingComment;
-    function getSyntheticTrailingComments(node) {
-        var emitNode = node.emitNode;
-        return emitNode && emitNode.trailingComments;
-    }
-    ts.getSyntheticTrailingComments = getSyntheticTrailingComments;
-    function setSyntheticTrailingComments(node, comments) {
-        getOrCreateEmitNode(node).trailingComments = comments;
-        return node;
-    }
-    ts.setSyntheticTrailingComments = setSyntheticTrailingComments;
-    function addSyntheticTrailingComment(node, kind, text, hasTrailingNewLine) {
-        return setSyntheticTrailingComments(node, ts.append(getSyntheticTrailingComments(node), { kind: kind, pos: -1, end: -1, hasTrailingNewLine: hasTrailingNewLine, text: text }));
-    }
-    ts.addSyntheticTrailingComment = addSyntheticTrailingComment;
-    function getConstantValue(node) {
-        var emitNode = node.emitNode;
-        return emitNode && emitNode.constantValue;
-    }
-    ts.getConstantValue = getConstantValue;
-    function setConstantValue(node, value) {
-        var emitNode = getOrCreateEmitNode(node);
-        emitNode.constantValue = value;
-        return node;
-    }
-    ts.setConstantValue = setConstantValue;
-    function addEmitHelper(node, helper) {
-        var emitNode = getOrCreateEmitNode(node);
-        emitNode.helpers = ts.append(emitNode.helpers, helper);
-        return node;
-    }
-    ts.addEmitHelper = addEmitHelper;
-    function addEmitHelpers(node, helpers) {
-        if (ts.some(helpers)) {
-            var emitNode = getOrCreateEmitNode(node);
-            for (var _i = 0, helpers_1 = helpers; _i < helpers_1.length; _i++) {
-                var helper = helpers_1[_i];
-                if (!ts.contains(emitNode.helpers, helper)) {
-                    emitNode.helpers = ts.append(emitNode.helpers, helper);
-                }
+            if (code < map[mid]) {
+                hi = mid;
             }
-        }
-        return node;
-    }
-    ts.addEmitHelpers = addEmitHelpers;
-    function removeEmitHelper(node, helper) {
-        var emitNode = node.emitNode;
-        if (emitNode) {
-            var helpers = emitNode.helpers;
-            if (helpers) {
-                return ts.orderedRemoveItem(helpers, helper);
+            else {
+                lo = mid + 2;
             }
         }
         return false;
     }
-    ts.removeEmitHelper = removeEmitHelper;
-    function getEmitHelpers(node) {
-        var emitNode = node.emitNode;
-        return emitNode && emitNode.helpers;
-    }
-    ts.getEmitHelpers = getEmitHelpers;
-    function moveEmitHelpers(source, target, predicate) {
-        var sourceEmitNode = source.emitNode;
-        var sourceEmitHelpers = sourceEmitNode && sourceEmitNode.helpers;
-        if (!ts.some(sourceEmitHelpers))
-            return;
-        var targetEmitNode = getOrCreateEmitNode(target);
-        var helpersRemoved = 0;
-        for (var i = 0; i < sourceEmitHelpers.length; i++) {
-            var helper = sourceEmitHelpers[i];
-            if (predicate(helper)) {
-                helpersRemoved++;
-                if (!ts.contains(targetEmitNode.helpers, helper)) {
-                    targetEmitNode.helpers = ts.append(targetEmitNode.helpers, helper);
-                }
-            }
-            else if (helpersRemoved > 0) {
-                sourceEmitHelpers[i - helpersRemoved] = helper;
-            }
-        }
-        if (helpersRemoved > 0) {
-            sourceEmitHelpers.length -= helpersRemoved;
-        }
-    }
-    ts.moveEmitHelpers = moveEmitHelpers;
-    function compareEmitHelpers(x, y) {
-        if (x === y)
-            return 0;
-        if (x.priority === y.priority)
-            return 0;
-        if (x.priority === undefined)
-            return 1;
-        if (y.priority === undefined)
-            return -1;
-        return ts.compareValues(x.priority, y.priority);
-    }
-    ts.compareEmitHelpers = compareEmitHelpers;
-    function setOriginalNode(node, original) {
-        node.original = original;
-        if (original) {
-            var emitNode = original.emitNode;
-            if (emitNode)
-                node.emitNode = mergeEmitNode(emitNode, node.emitNode);
-        }
-        return node;
-    }
-    ts.setOriginalNode = setOriginalNode;
-    function mergeEmitNode(sourceEmitNode, destEmitNode) {
-        var flags = sourceEmitNode.flags, leadingComments = sourceEmitNode.leadingComments, trailingComments = sourceEmitNode.trailingComments, commentRange = sourceEmitNode.commentRange, sourceMapRange = sourceEmitNode.sourceMapRange, tokenSourceMapRanges = sourceEmitNode.tokenSourceMapRanges, constantValue = sourceEmitNode.constantValue, helpers = sourceEmitNode.helpers;
-        if (!destEmitNode)
-            destEmitNode = {};
-        if (leadingComments)
-            destEmitNode.leadingComments = ts.addRange(leadingComments.slice(), destEmitNode.leadingComments);
-        if (trailingComments)
-            destEmitNode.trailingComments = ts.addRange(trailingComments.slice(), destEmitNode.trailingComments);
-        if (flags)
-            destEmitNode.flags = flags;
-        if (commentRange)
-            destEmitNode.commentRange = commentRange;
-        if (sourceMapRange)
-            destEmitNode.sourceMapRange = sourceMapRange;
-        if (tokenSourceMapRanges)
-            destEmitNode.tokenSourceMapRanges = mergeTokenSourceMapRanges(tokenSourceMapRanges, destEmitNode.tokenSourceMapRanges);
-        if (constantValue !== undefined)
-            destEmitNode.constantValue = constantValue;
-        if (helpers)
-            destEmitNode.helpers = ts.addRange(destEmitNode.helpers, helpers);
-        return destEmitNode;
-    }
-    function mergeTokenSourceMapRanges(sourceRanges, destRanges) {
-        if (!destRanges)
-            destRanges = [];
-        for (var key in sourceRanges) {
-            destRanges[key] = sourceRanges[key];
-        }
-        return destRanges;
+    function isUnicodeIdentifierStart(code, languageVersion) {
+        return languageVersion >= 1 ?
+            lookupInUnicodeMap(code, unicodeES5IdentifierStart) :
+            lookupInUnicodeMap(code, unicodeES3IdentifierStart);
     }
-})(ts || (ts = {}));
-(function (ts) {
-    ts.nullTransformationContext = {
-        enableEmitNotification: ts.noop,
-        enableSubstitution: ts.noop,
-        endLexicalEnvironment: function () { return undefined; },
-        getCompilerOptions: ts.notImplemented,
-        getEmitHost: ts.notImplemented,
-        getEmitResolver: ts.notImplemented,
-        hoistFunctionDeclaration: ts.noop,
-        hoistVariableDeclaration: ts.noop,
-        isEmitNotificationEnabled: ts.notImplemented,
-        isSubstitutionEnabled: ts.notImplemented,
-        onEmitNode: ts.noop,
-        onSubstituteNode: ts.notImplemented,
-        readEmitHelpers: ts.notImplemented,
-        requestEmitHelper: ts.noop,
-        resumeLexicalEnvironment: ts.noop,
-        startLexicalEnvironment: ts.noop,
-        suspendLexicalEnvironment: ts.noop
-    };
-    function createTypeCheck(value, tag) {
-        return tag === "undefined"
-            ? ts.createStrictEquality(value, ts.createVoidZero())
-            : ts.createStrictEquality(ts.createTypeOf(value), ts.createLiteral(tag));
+    ts.isUnicodeIdentifierStart = isUnicodeIdentifierStart;
+    function isUnicodeIdentifierPart(code, languageVersion) {
+        return languageVersion >= 1 ?
+            lookupInUnicodeMap(code, unicodeES5IdentifierPart) :
+            lookupInUnicodeMap(code, unicodeES3IdentifierPart);
     }
-    ts.createTypeCheck = createTypeCheck;
-    function createMemberAccessForPropertyName(target, memberName, location) {
-        if (ts.isComputedPropertyName(memberName)) {
-            return ts.setTextRange(ts.createElementAccess(target, memberName.expression), location);
-        }
-        else {
-            var expression = ts.setTextRange(ts.isIdentifier(memberName)
-                ? ts.createPropertyAccess(target, memberName)
-                : ts.createElementAccess(target, memberName), memberName);
-            ts.getOrCreateEmitNode(expression).flags |= 64;
-            return expression;
-        }
+    function makeReverseMap(source) {
+        var result = [];
+        source.forEach(function (value, name) {
+            result[value] = name;
+        });
+        return result;
     }
-    ts.createMemberAccessForPropertyName = createMemberAccessForPropertyName;
-    function createFunctionCall(func, thisArg, argumentsList, location) {
-        return ts.setTextRange(ts.createCall(ts.createPropertyAccess(func, "call"), undefined, [
-            thisArg
-        ].concat(argumentsList)), location);
+    var tokenStrings = makeReverseMap(textToToken);
+    function tokenToString(t) {
+        return tokenStrings[t];
     }
-    ts.createFunctionCall = createFunctionCall;
-    function createFunctionApply(func, thisArg, argumentsExpression, location) {
-        return ts.setTextRange(ts.createCall(ts.createPropertyAccess(func, "apply"), undefined, [
-            thisArg,
-            argumentsExpression
-        ]), location);
+    ts.tokenToString = tokenToString;
+    function stringToToken(s) {
+        return textToToken.get(s);
     }
-    ts.createFunctionApply = createFunctionApply;
-    function createArraySlice(array, start) {
-        var argumentsList = [];
-        if (start !== undefined) {
-            argumentsList.push(typeof start === "number" ? ts.createLiteral(start) : start);
+    ts.stringToToken = stringToToken;
+    function computeLineStarts(text) {
+        var result = new Array();
+        var pos = 0;
+        var lineStart = 0;
+        while (pos < text.length) {
+            var ch = text.charCodeAt(pos);
+            pos++;
+            switch (ch) {
+                case 13:
+                    if (text.charCodeAt(pos) === 10) {
+                        pos++;
+                    }
+                case 10:
+                    result.push(lineStart);
+                    lineStart = pos;
+                    break;
+                default:
+                    if (ch > 127 && isLineBreak(ch)) {
+                        result.push(lineStart);
+                        lineStart = pos;
+                    }
+                    break;
+            }
         }
-        return ts.createCall(ts.createPropertyAccess(array, "slice"), undefined, argumentsList);
-    }
-    ts.createArraySlice = createArraySlice;
-    function createArrayConcat(array, values) {
-        return ts.createCall(ts.createPropertyAccess(array, "concat"), undefined, values);
-    }
-    ts.createArrayConcat = createArrayConcat;
-    function createMathPow(left, right, location) {
-        return ts.setTextRange(ts.createCall(ts.createPropertyAccess(ts.createIdentifier("Math"), "pow"), undefined, [left, right]), location);
+        result.push(lineStart);
+        return result;
     }
-    ts.createMathPow = createMathPow;
-    function createReactNamespace(reactNamespace, parent) {
-        var react = ts.createIdentifier(reactNamespace || "React");
-        react.flags &= ~8;
-        react.parent = ts.getParseTreeNode(parent);
-        return react;
+    ts.computeLineStarts = computeLineStarts;
+    function getPositionOfLineAndCharacter(sourceFile, line, character) {
+        return computePositionOfLineAndCharacter(getLineStarts(sourceFile), line, character, sourceFile.text);
     }
-    function createJsxFactoryExpressionFromEntityName(jsxFactory, parent) {
-        if (ts.isQualifiedName(jsxFactory)) {
-            var left = createJsxFactoryExpressionFromEntityName(jsxFactory.left, parent);
-            var right = ts.createIdentifier(jsxFactory.right.text);
-            right.text = jsxFactory.right.text;
-            return ts.createPropertyAccess(left, right);
+    ts.getPositionOfLineAndCharacter = getPositionOfLineAndCharacter;
+    function computePositionOfLineAndCharacter(lineStarts, line, character, debugText) {
+        ts.Debug.assert(line >= 0 && line < lineStarts.length);
+        var res = lineStarts[line] + character;
+        if (line < lineStarts.length - 1) {
+            ts.Debug.assert(res < lineStarts[line + 1]);
         }
-        else {
-            return createReactNamespace(jsxFactory.text, parent);
+        else if (debugText !== undefined) {
+            ts.Debug.assert(res < debugText.length);
         }
+        return res;
     }
-    function createJsxFactoryExpression(jsxFactoryEntity, reactNamespace, parent) {
-        return jsxFactoryEntity ?
-            createJsxFactoryExpressionFromEntityName(jsxFactoryEntity, parent) :
-            ts.createPropertyAccess(createReactNamespace(reactNamespace, parent), "createElement");
+    ts.computePositionOfLineAndCharacter = computePositionOfLineAndCharacter;
+    function getLineStarts(sourceFile) {
+        return sourceFile.lineMap || (sourceFile.lineMap = computeLineStarts(sourceFile.text));
     }
-    function createExpressionForJsxElement(jsxFactoryEntity, reactNamespace, tagName, props, children, parentElement, location) {
-        var argumentsList = [tagName];
-        if (props) {
-            argumentsList.push(props);
-        }
-        if (children && children.length > 0) {
-            if (!props) {
-                argumentsList.push(ts.createNull());
-            }
-            if (children.length > 1) {
-                for (var _i = 0, children_1 = children; _i < children_1.length; _i++) {
-                    var child = children_1[_i];
-                    child.startsOnNewLine = true;
-                    argumentsList.push(child);
-                }
-            }
-            else {
-                argumentsList.push(children[0]);
-            }
+    ts.getLineStarts = getLineStarts;
+    function computeLineAndCharacterOfPosition(lineStarts, position) {
+        var lineNumber = ts.binarySearch(lineStarts, position);
+        if (lineNumber < 0) {
+            lineNumber = ~lineNumber - 1;
+            ts.Debug.assert(lineNumber !== -1, "position cannot precede the beginning of the file");
         }
-        return ts.setTextRange(ts.createCall(createJsxFactoryExpression(jsxFactoryEntity, reactNamespace, parentElement), undefined, argumentsList), location);
-    }
-    ts.createExpressionForJsxElement = createExpressionForJsxElement;
-    function getHelperName(name) {
-        return ts.setEmitFlags(ts.createIdentifier(name), 4096 | 2);
+        return {
+            line: lineNumber,
+            character: position - lineStarts[lineNumber]
+        };
     }
-    ts.getHelperName = getHelperName;
-    var valuesHelper = {
-        name: "typescript:values",
-        scoped: false,
-        text: "\n            var __values = (this && this.__values) || function (o) {\n                var m = typeof Symbol === \"function\" && o[Symbol.iterator], i = 0;\n                if (m) return m.call(o);\n                return {\n                    next: function () {\n                        if (o && i >= o.length) o = void 0;\n                        return { value: o && o[i++], done: !o };\n                    }\n                };\n            };\n        "
-    };
-    function createValuesHelper(context, expression, location) {
-        context.requestEmitHelper(valuesHelper);
-        return ts.setTextRange(ts.createCall(getHelperName("__values"), undefined, [expression]), location);
+    ts.computeLineAndCharacterOfPosition = computeLineAndCharacterOfPosition;
+    function getLineAndCharacterOfPosition(sourceFile, position) {
+        return computeLineAndCharacterOfPosition(getLineStarts(sourceFile), position);
     }
-    ts.createValuesHelper = createValuesHelper;
-    var readHelper = {
-        name: "typescript:read",
-        scoped: false,
-        text: "\n            var __read = (this && this.__read) || function (o, n) {\n                var m = typeof Symbol === \"function\" && o[Symbol.iterator];\n                if (!m) return o;\n                var i = m.call(o), r, ar = [], e;\n                try {\n                    while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);\n                }\n                catch (error) { e = { error: error }; }\n                finally {\n                    try {\n                        if (r && !r.done && (m = i[\"return\"])) m.call(i);\n                    }\n                    finally { if (e) throw e.error; }\n                }\n                return ar;\n            };\n        "
-    };
-    function createReadHelper(context, iteratorRecord, count, location) {
-        context.requestEmitHelper(readHelper);
-        return ts.setTextRange(ts.createCall(getHelperName("__read"), undefined, count !== undefined
-            ? [iteratorRecord, ts.createLiteral(count)]
-            : [iteratorRecord]), location);
+    ts.getLineAndCharacterOfPosition = getLineAndCharacterOfPosition;
+    function isWhiteSpaceLike(ch) {
+        return isWhiteSpaceSingleLine(ch) || isLineBreak(ch);
     }
-    ts.createReadHelper = createReadHelper;
-    var spreadHelper = {
-        name: "typescript:spread",
-        scoped: false,
-        text: "\n            var __spread = (this && this.__spread) || function () {\n                for (var ar = [], i = 0; i < arguments.length; i++) ar = ar.concat(__read(arguments[i]));\n                return ar;\n            };"
-    };
-    function createSpreadHelper(context, argumentList, location) {
-        context.requestEmitHelper(readHelper);
-        context.requestEmitHelper(spreadHelper);
-        return ts.setTextRange(ts.createCall(getHelperName("__spread"), undefined, argumentList), location);
+    ts.isWhiteSpaceLike = isWhiteSpaceLike;
+    function isWhiteSpaceSingleLine(ch) {
+        return ch === 32 ||
+            ch === 9 ||
+            ch === 11 ||
+            ch === 12 ||
+            ch === 160 ||
+            ch === 133 ||
+            ch === 5760 ||
+            ch >= 8192 && ch <= 8203 ||
+            ch === 8239 ||
+            ch === 8287 ||
+            ch === 12288 ||
+            ch === 65279;
     }
-    ts.createSpreadHelper = createSpreadHelper;
-    function createForOfBindingStatement(node, boundValue) {
-        if (ts.isVariableDeclarationList(node)) {
-            var firstDeclaration = ts.firstOrUndefined(node.declarations);
-            var updatedDeclaration = ts.updateVariableDeclaration(firstDeclaration, firstDeclaration.name, undefined, boundValue);
-            return ts.setTextRange(ts.createVariableStatement(undefined, ts.updateVariableDeclarationList(node, [updatedDeclaration])), node);
-        }
-        else {
-            var updatedExpression = ts.setTextRange(ts.createAssignment(node, boundValue), node);
-            return ts.setTextRange(ts.createStatement(updatedExpression), node);
-        }
+    ts.isWhiteSpaceSingleLine = isWhiteSpaceSingleLine;
+    function isLineBreak(ch) {
+        return ch === 10 ||
+            ch === 13 ||
+            ch === 8232 ||
+            ch === 8233;
     }
-    ts.createForOfBindingStatement = createForOfBindingStatement;
-    function insertLeadingStatement(dest, source) {
-        if (ts.isBlock(dest)) {
-            return ts.updateBlock(dest, ts.setTextRange(ts.createNodeArray([source].concat(dest.statements)), dest.statements));
-        }
-        else {
-            return ts.createBlock(ts.createNodeArray([dest, source]), true);
-        }
+    ts.isLineBreak = isLineBreak;
+    function isDigit(ch) {
+        return ch >= 48 && ch <= 57;
     }
-    ts.insertLeadingStatement = insertLeadingStatement;
-    function restoreEnclosingLabel(node, outermostLabeledStatement, afterRestoreLabelCallback) {
-        if (!outermostLabeledStatement) {
-            return node;
-        }
-        var updated = ts.updateLabel(outermostLabeledStatement, outermostLabeledStatement.label, outermostLabeledStatement.statement.kind === 222
-            ? restoreEnclosingLabel(node, outermostLabeledStatement.statement)
-            : node);
-        if (afterRestoreLabelCallback) {
-            afterRestoreLabelCallback(outermostLabeledStatement);
-        }
-        return updated;
+    function isOctalDigit(ch) {
+        return ch >= 48 && ch <= 55;
     }
-    ts.restoreEnclosingLabel = restoreEnclosingLabel;
-    function shouldBeCapturedInTempVariable(node, cacheIdentifiers) {
-        var target = skipParentheses(node);
-        switch (target.kind) {
-            case 71:
-                return cacheIdentifiers;
-            case 99:
-            case 8:
+    ts.isOctalDigit = isOctalDigit;
+    function couldStartTrivia(text, pos) {
+        var ch = text.charCodeAt(pos);
+        switch (ch) {
+            case 13:
+            case 10:
             case 9:
-                return false;
-            case 177:
-                var elements = target.elements;
-                if (elements.length === 0) {
-                    return false;
-                }
+            case 11:
+            case 12:
+            case 32:
+            case 47:
+            case 60:
+            case 124:
+            case 61:
+            case 62:
                 return true;
-            case 178:
-                return target.properties.length > 0;
+            case 35:
+                return pos === 0;
             default:
-                return true;
+                return ch > 127;
         }
     }
-    function createCallBinding(expression, recordTempVariable, languageVersion, cacheIdentifiers) {
-        var callee = skipOuterExpressions(expression, 7);
-        var thisArg;
-        var target;
-        if (ts.isSuperProperty(callee)) {
-            thisArg = ts.createThis();
-            target = callee;
-        }
-        else if (callee.kind === 97) {
-            thisArg = ts.createThis();
-            target = languageVersion < 2
-                ? ts.setTextRange(ts.createIdentifier("_super"), callee)
-                : callee;
-        }
-        else if (ts.getEmitFlags(callee) & 4096) {
-            thisArg = ts.createVoidZero();
-            target = parenthesizeForAccess(callee);
+    ts.couldStartTrivia = couldStartTrivia;
+    function skipTrivia(text, pos, stopAfterLineBreak, stopAtComments) {
+        if (stopAtComments === void 0) { stopAtComments = false; }
+        if (ts.positionIsSynthesized(pos)) {
+            return pos;
         }
-        else {
-            switch (callee.kind) {
-                case 179: {
-                    if (shouldBeCapturedInTempVariable(callee.expression, cacheIdentifiers)) {
-                        thisArg = ts.createTempVariable(recordTempVariable);
-                        target = ts.createPropertyAccess(ts.setTextRange(ts.createAssignment(thisArg, callee.expression), callee.expression), callee.name);
-                        ts.setTextRange(target, callee);
+        while (true) {
+            var ch = text.charCodeAt(pos);
+            switch (ch) {
+                case 13:
+                    if (text.charCodeAt(pos + 1) === 10) {
+                        pos++;
                     }
-                    else {
-                        thisArg = callee.expression;
-                        target = callee;
+                case 10:
+                    pos++;
+                    if (stopAfterLineBreak) {
+                        return pos;
+                    }
+                    continue;
+                case 9:
+                case 11:
+                case 12:
+                case 32:
+                    pos++;
+                    continue;
+                case 47:
+                    if (stopAtComments) {
+                        break;
+                    }
+                    if (text.charCodeAt(pos + 1) === 47) {
+                        pos += 2;
+                        while (pos < text.length) {
+                            if (isLineBreak(text.charCodeAt(pos))) {
+                                break;
+                            }
+                            pos++;
+                        }
+                        continue;
+                    }
+                    if (text.charCodeAt(pos + 1) === 42) {
+                        pos += 2;
+                        while (pos < text.length) {
+                            if (text.charCodeAt(pos) === 42 && text.charCodeAt(pos + 1) === 47) {
+                                pos += 2;
+                                break;
+                            }
+                            pos++;
+                        }
+                        continue;
                     }
                     break;
-                }
-                case 180: {
-                    if (shouldBeCapturedInTempVariable(callee.expression, cacheIdentifiers)) {
-                        thisArg = ts.createTempVariable(recordTempVariable);
-                        target = ts.createElementAccess(ts.setTextRange(ts.createAssignment(thisArg, callee.expression), callee.expression), callee.argumentExpression);
-                        ts.setTextRange(target, callee);
+                case 60:
+                case 124:
+                case 61:
+                case 62:
+                    if (isConflictMarkerTrivia(text, pos)) {
+                        pos = scanConflictMarkerTrivia(text, pos);
+                        continue;
                     }
-                    else {
-                        thisArg = callee.expression;
-                        target = callee;
+                    break;
+                case 35:
+                    if (pos === 0 && isShebangTrivia(text, pos)) {
+                        pos = scanShebangTrivia(text, pos);
+                        continue;
                     }
                     break;
-                }
-                default: {
-                    thisArg = ts.createVoidZero();
-                    target = parenthesizeForAccess(expression);
+                default:
+                    if (ch > 127 && (isWhiteSpaceLike(ch))) {
+                        pos++;
+                        continue;
+                    }
                     break;
-                }
             }
+            return pos;
         }
-        return { target: target, thisArg: thisArg };
-    }
-    ts.createCallBinding = createCallBinding;
-    function inlineExpressions(expressions) {
-        return expressions.length > 10
-            ? ts.createCommaList(expressions)
-            : ts.reduceLeft(expressions, ts.createComma);
     }
-    ts.inlineExpressions = inlineExpressions;
-    function createExpressionFromEntityName(node) {
-        if (ts.isQualifiedName(node)) {
-            var left = createExpressionFromEntityName(node.left);
-            var right = ts.getMutableClone(node.right);
-            return ts.setTextRange(ts.createPropertyAccess(left, right), node);
-        }
-        else {
-            return ts.getMutableClone(node);
+    ts.skipTrivia = skipTrivia;
+    var mergeConflictMarkerLength = "<<<<<<<".length;
+    function isConflictMarkerTrivia(text, pos) {
+        ts.Debug.assert(pos >= 0);
+        if (pos === 0 || isLineBreak(text.charCodeAt(pos - 1))) {
+            var ch = text.charCodeAt(pos);
+            if ((pos + mergeConflictMarkerLength) < text.length) {
+                for (var i = 0; i < mergeConflictMarkerLength; i++) {
+                    if (text.charCodeAt(pos + i) !== ch) {
+                        return false;
+                    }
+                }
+                return ch === 61 ||
+                    text.charCodeAt(pos + mergeConflictMarkerLength) === 32;
+            }
         }
+        return false;
     }
-    ts.createExpressionFromEntityName = createExpressionFromEntityName;
-    function createExpressionForPropertyName(memberName) {
-        if (ts.isIdentifier(memberName)) {
-            return ts.createLiteral(memberName);
+    function scanConflictMarkerTrivia(text, pos, error) {
+        if (error) {
+            error(ts.Diagnostics.Merge_conflict_marker_encountered, mergeConflictMarkerLength);
         }
-        else if (ts.isComputedPropertyName(memberName)) {
-            return ts.getMutableClone(memberName.expression);
+        var ch = text.charCodeAt(pos);
+        var len = text.length;
+        if (ch === 60 || ch === 62) {
+            while (pos < len && !isLineBreak(text.charCodeAt(pos))) {
+                pos++;
+            }
         }
         else {
-            return ts.getMutableClone(memberName);
-        }
-    }
-    ts.createExpressionForPropertyName = createExpressionForPropertyName;
-    function createExpressionForObjectLiteralElementLike(node, property, receiver) {
-        switch (property.kind) {
-            case 153:
-            case 154:
-                return createExpressionForAccessorDeclaration(node.properties, property, receiver, node.multiLine);
-            case 261:
-                return createExpressionForPropertyAssignment(property, receiver);
-            case 262:
-                return createExpressionForShorthandPropertyAssignment(property, receiver);
-            case 151:
-                return createExpressionForMethodDeclaration(property, receiver);
-        }
-    }
-    ts.createExpressionForObjectLiteralElementLike = createExpressionForObjectLiteralElementLike;
-    function createExpressionForAccessorDeclaration(properties, property, receiver, multiLine) {
-        var _a = ts.getAllAccessorDeclarations(properties, property), firstAccessor = _a.firstAccessor, getAccessor = _a.getAccessor, setAccessor = _a.setAccessor;
-        if (property === firstAccessor) {
-            var properties_1 = [];
-            if (getAccessor) {
-                var getterFunction = ts.createFunctionExpression(getAccessor.modifiers, undefined, undefined, undefined, getAccessor.parameters, undefined, getAccessor.body);
-                ts.setTextRange(getterFunction, getAccessor);
-                ts.setOriginalNode(getterFunction, getAccessor);
-                var getter = ts.createPropertyAssignment("get", getterFunction);
-                properties_1.push(getter);
-            }
-            if (setAccessor) {
-                var setterFunction = ts.createFunctionExpression(setAccessor.modifiers, undefined, undefined, undefined, setAccessor.parameters, undefined, setAccessor.body);
-                ts.setTextRange(setterFunction, setAccessor);
-                ts.setOriginalNode(setterFunction, setAccessor);
-                var setter = ts.createPropertyAssignment("set", setterFunction);
-                properties_1.push(setter);
+            ts.Debug.assert(ch === 124 || ch === 61);
+            while (pos < len) {
+                var currentChar = text.charCodeAt(pos);
+                if ((currentChar === 61 || currentChar === 62) && currentChar !== ch && isConflictMarkerTrivia(text, pos)) {
+                    break;
+                }
+                pos++;
             }
-            properties_1.push(ts.createPropertyAssignment("enumerable", ts.createTrue()));
-            properties_1.push(ts.createPropertyAssignment("configurable", ts.createTrue()));
-            var expression = ts.setTextRange(ts.createCall(ts.createPropertyAccess(ts.createIdentifier("Object"), "defineProperty"), undefined, [
-                receiver,
-                createExpressionForPropertyName(property.name),
-                ts.createObjectLiteral(properties_1, multiLine)
-            ]), firstAccessor);
-            return ts.aggregateTransformFlags(expression);
         }
-        return undefined;
-    }
-    function createExpressionForPropertyAssignment(property, receiver) {
-        return ts.aggregateTransformFlags(ts.setOriginalNode(ts.setTextRange(ts.createAssignment(createMemberAccessForPropertyName(receiver, property.name, property.name), property.initializer), property), property));
-    }
-    function createExpressionForShorthandPropertyAssignment(property, receiver) {
-        return ts.aggregateTransformFlags(ts.setOriginalNode(ts.setTextRange(ts.createAssignment(createMemberAccessForPropertyName(receiver, property.name, property.name), ts.getSynthesizedClone(property.name)), property), property));
-    }
-    function createExpressionForMethodDeclaration(method, receiver) {
-        return ts.aggregateTransformFlags(ts.setOriginalNode(ts.setTextRange(ts.createAssignment(createMemberAccessForPropertyName(receiver, method.name, method.name), ts.setOriginalNode(ts.setTextRange(ts.createFunctionExpression(method.modifiers, method.asteriskToken, undefined, undefined, method.parameters, undefined, method.body), method), method)), method), method));
-    }
-    function getInternalName(node, allowComments, allowSourceMaps) {
-        return getName(node, allowComments, allowSourceMaps, 16384 | 32768);
+        return pos;
     }
-    ts.getInternalName = getInternalName;
-    function isInternalName(node) {
-        return (ts.getEmitFlags(node) & 32768) !== 0;
+    var shebangTriviaRegex = /^#!.*/;
+    function isShebangTrivia(text, pos) {
+        ts.Debug.assert(pos === 0);
+        return shebangTriviaRegex.test(text);
     }
-    ts.isInternalName = isInternalName;
-    function getLocalName(node, allowComments, allowSourceMaps) {
-        return getName(node, allowComments, allowSourceMaps, 16384);
+    function scanShebangTrivia(text, pos) {
+        var shebang = shebangTriviaRegex.exec(text)[0];
+        pos = pos + shebang.length;
+        return pos;
     }
-    ts.getLocalName = getLocalName;
-    function isLocalName(node) {
-        return (ts.getEmitFlags(node) & 16384) !== 0;
+    function iterateCommentRanges(reduce, text, pos, trailing, cb, state, initial) {
+        var pendingPos;
+        var pendingEnd;
+        var pendingKind;
+        var pendingHasTrailingNewLine;
+        var hasPendingCommentRange = false;
+        var collecting = trailing || pos === 0;
+        var accumulator = initial;
+        scan: while (pos >= 0 && pos < text.length) {
+            var ch = text.charCodeAt(pos);
+            switch (ch) {
+                case 13:
+                    if (text.charCodeAt(pos + 1) === 10) {
+                        pos++;
+                    }
+                case 10:
+                    pos++;
+                    if (trailing) {
+                        break scan;
+                    }
+                    collecting = true;
+                    if (hasPendingCommentRange) {
+                        pendingHasTrailingNewLine = true;
+                    }
+                    continue;
+                case 9:
+                case 11:
+                case 12:
+                case 32:
+                    pos++;
+                    continue;
+                case 47:
+                    var nextChar = text.charCodeAt(pos + 1);
+                    var hasTrailingNewLine = false;
+                    if (nextChar === 47 || nextChar === 42) {
+                        var kind = nextChar === 47 ? 2 : 3;
+                        var startPos = pos;
+                        pos += 2;
+                        if (nextChar === 47) {
+                            while (pos < text.length) {
+                                if (isLineBreak(text.charCodeAt(pos))) {
+                                    hasTrailingNewLine = true;
+                                    break;
+                                }
+                                pos++;
+                            }
+                        }
+                        else {
+                            while (pos < text.length) {
+                                if (text.charCodeAt(pos) === 42 && text.charCodeAt(pos + 1) === 47) {
+                                    pos += 2;
+                                    break;
+                                }
+                                pos++;
+                            }
+                        }
+                        if (collecting) {
+                            if (hasPendingCommentRange) {
+                                accumulator = cb(pendingPos, pendingEnd, pendingKind, pendingHasTrailingNewLine, state, accumulator);
+                                if (!reduce && accumulator) {
+                                    return accumulator;
+                                }
+                                hasPendingCommentRange = false;
+                            }
+                            pendingPos = startPos;
+                            pendingEnd = pos;
+                            pendingKind = kind;
+                            pendingHasTrailingNewLine = hasTrailingNewLine;
+                            hasPendingCommentRange = true;
+                        }
+                        continue;
+                    }
+                    break scan;
+                default:
+                    if (ch > 127 && (isWhiteSpaceLike(ch))) {
+                        if (hasPendingCommentRange && isLineBreak(ch)) {
+                            pendingHasTrailingNewLine = true;
+                        }
+                        pos++;
+                        continue;
+                    }
+                    break scan;
+            }
+        }
+        if (hasPendingCommentRange) {
+            accumulator = cb(pendingPos, pendingEnd, pendingKind, pendingHasTrailingNewLine, state, accumulator);
+        }
+        return accumulator;
     }
-    ts.isLocalName = isLocalName;
-    function getExportName(node, allowComments, allowSourceMaps) {
-        return getName(node, allowComments, allowSourceMaps, 8192);
+    function forEachLeadingCommentRange(text, pos, cb, state) {
+        return iterateCommentRanges(false, text, pos, false, cb, state);
     }
-    ts.getExportName = getExportName;
-    function isExportName(node) {
-        return (ts.getEmitFlags(node) & 8192) !== 0;
+    ts.forEachLeadingCommentRange = forEachLeadingCommentRange;
+    function forEachTrailingCommentRange(text, pos, cb, state) {
+        return iterateCommentRanges(false, text, pos, true, cb, state);
     }
-    ts.isExportName = isExportName;
-    function getDeclarationName(node, allowComments, allowSourceMaps) {
-        return getName(node, allowComments, allowSourceMaps);
+    ts.forEachTrailingCommentRange = forEachTrailingCommentRange;
+    function reduceEachLeadingCommentRange(text, pos, cb, state, initial) {
+        return iterateCommentRanges(true, text, pos, false, cb, state, initial);
     }
-    ts.getDeclarationName = getDeclarationName;
-    function getName(node, allowComments, allowSourceMaps, emitFlags) {
-        var nodeName = ts.getNameOfDeclaration(node);
-        if (nodeName && ts.isIdentifier(nodeName) && !ts.isGeneratedIdentifier(nodeName)) {
-            var name = ts.getMutableClone(nodeName);
-            emitFlags |= ts.getEmitFlags(nodeName);
-            if (!allowSourceMaps)
-                emitFlags |= 48;
-            if (!allowComments)
-                emitFlags |= 1536;
-            if (emitFlags)
-                ts.setEmitFlags(name, emitFlags);
-            return name;
-        }
-        return ts.getGeneratedNameForNode(node);
+    ts.reduceEachLeadingCommentRange = reduceEachLeadingCommentRange;
+    function reduceEachTrailingCommentRange(text, pos, cb, state, initial) {
+        return iterateCommentRanges(true, text, pos, true, cb, state, initial);
     }
-    function getExternalModuleOrNamespaceExportName(ns, node, allowComments, allowSourceMaps) {
-        if (ns && ts.hasModifier(node, 1)) {
-            return getNamespaceMemberName(ns, getName(node), allowComments, allowSourceMaps);
+    ts.reduceEachTrailingCommentRange = reduceEachTrailingCommentRange;
+    function appendCommentRange(pos, end, kind, hasTrailingNewLine, _state, comments) {
+        if (!comments) {
+            comments = [];
         }
-        return getExportName(node, allowComments, allowSourceMaps);
+        comments.push({ kind: kind, pos: pos, end: end, hasTrailingNewLine: hasTrailingNewLine });
+        return comments;
     }
-    ts.getExternalModuleOrNamespaceExportName = getExternalModuleOrNamespaceExportName;
-    function getNamespaceMemberName(ns, name, allowComments, allowSourceMaps) {
-        var qualifiedName = ts.createPropertyAccess(ns, ts.nodeIsSynthesized(name) ? name : ts.getSynthesizedClone(name));
-        ts.setTextRange(qualifiedName, name);
-        var emitFlags;
-        if (!allowSourceMaps)
-            emitFlags |= 48;
-        if (!allowComments)
-            emitFlags |= 1536;
-        if (emitFlags)
-            ts.setEmitFlags(qualifiedName, emitFlags);
-        return qualifiedName;
+    function getLeadingCommentRanges(text, pos) {
+        return reduceEachLeadingCommentRange(text, pos, appendCommentRange, undefined, undefined);
     }
-    ts.getNamespaceMemberName = getNamespaceMemberName;
-    function convertToFunctionBody(node, multiLine) {
-        return ts.isBlock(node) ? node : ts.setTextRange(ts.createBlock([ts.setTextRange(ts.createReturn(node), node)], multiLine), node);
+    ts.getLeadingCommentRanges = getLeadingCommentRanges;
+    function getTrailingCommentRanges(text, pos) {
+        return reduceEachTrailingCommentRange(text, pos, appendCommentRange, undefined, undefined);
     }
-    ts.convertToFunctionBody = convertToFunctionBody;
-    function convertFunctionDeclarationToExpression(node) {
-        ts.Debug.assert(!!node.body);
-        var updated = ts.createFunctionExpression(node.modifiers, node.asteriskToken, node.name, node.typeParameters, node.parameters, node.type, node.body);
-        ts.setOriginalNode(updated, node);
-        ts.setTextRange(updated, node);
-        if (node.startsOnNewLine) {
-            updated.startsOnNewLine = true;
+    ts.getTrailingCommentRanges = getTrailingCommentRanges;
+    function getShebang(text) {
+        var match = shebangTriviaRegex.exec(text);
+        if (match) {
+            return match[0];
         }
-        ts.aggregateTransformFlags(updated);
-        return updated;
     }
-    ts.convertFunctionDeclarationToExpression = convertFunctionDeclarationToExpression;
-    function isUseStrictPrologue(node) {
-        return node.expression.text === "use strict";
+    ts.getShebang = getShebang;
+    function isIdentifierStart(ch, languageVersion) {
+        return ch >= 65 && ch <= 90 || ch >= 97 && ch <= 122 ||
+            ch === 36 || ch === 95 ||
+            ch > 127 && isUnicodeIdentifierStart(ch, languageVersion);
     }
-    function addPrologue(target, source, ensureUseStrict, visitor) {
-        var offset = addStandardPrologue(target, source, ensureUseStrict);
-        return addCustomPrologue(target, source, offset, visitor);
+    ts.isIdentifierStart = isIdentifierStart;
+    function isIdentifierPart(ch, languageVersion) {
+        return ch >= 65 && ch <= 90 || ch >= 97 && ch <= 122 ||
+            ch >= 48 && ch <= 57 || ch === 36 || ch === 95 ||
+            ch > 127 && isUnicodeIdentifierPart(ch, languageVersion);
     }
-    ts.addPrologue = addPrologue;
-    function addStandardPrologue(target, source, ensureUseStrict) {
-        ts.Debug.assert(target.length === 0, "Prologue directives should be at the first statement in the target statements array");
-        var foundUseStrict = false;
-        var statementOffset = 0;
-        var numStatements = source.length;
-        while (statementOffset < numStatements) {
-            var statement = source[statementOffset];
-            if (ts.isPrologueDirective(statement)) {
-                if (isUseStrictPrologue(statement)) {
-                    foundUseStrict = true;
-                }
-                target.push(statement);
-            }
-            else {
-                break;
-            }
-            statementOffset++;
+    ts.isIdentifierPart = isIdentifierPart;
+    function isIdentifierText(name, languageVersion) {
+        if (!isIdentifierStart(name.charCodeAt(0), languageVersion)) {
+            return false;
         }
-        if (ensureUseStrict && !foundUseStrict) {
-            target.push(startOnNewLine(ts.createStatement(ts.createLiteral("use strict"))));
+        for (var i = 1; i < name.length; i++) {
+            if (!isIdentifierPart(name.charCodeAt(i), languageVersion)) {
+                return false;
+            }
         }
-        return statementOffset;
+        return true;
     }
-    ts.addStandardPrologue = addStandardPrologue;
-    function addCustomPrologue(target, source, statementOffset, visitor) {
-        var numStatements = source.length;
-        while (statementOffset < numStatements) {
-            var statement = source[statementOffset];
-            if (ts.getEmitFlags(statement) & 1048576) {
-                target.push(visitor ? ts.visitNode(statement, visitor, ts.isStatement) : statement);
-            }
-            else {
-                break;
+    ts.isIdentifierText = isIdentifierText;
+    function createScanner(languageVersion, skipTrivia, languageVariant, text, onError, start, length) {
+        if (languageVariant === void 0) { languageVariant = 0; }
+        var pos;
+        var end;
+        var startPos;
+        var tokenPos;
+        var token;
+        var tokenValue;
+        var precedingLineBreak;
+        var hasExtendedUnicodeEscape;
+        var tokenIsUnterminated;
+        var numericLiteralFlags;
+        setText(text, start, length);
+        return {
+            getStartPos: function () { return startPos; },
+            getTextPos: function () { return pos; },
+            getToken: function () { return token; },
+            getTokenPos: function () { return tokenPos; },
+            getTokenText: function () { return text.substring(tokenPos, pos); },
+            getTokenValue: function () { return tokenValue; },
+            hasExtendedUnicodeEscape: function () { return hasExtendedUnicodeEscape; },
+            hasPrecedingLineBreak: function () { return precedingLineBreak; },
+            isIdentifier: function () { return token === 71 || token > 107; },
+            isReservedWord: function () { return token >= 72 && token <= 107; },
+            isUnterminated: function () { return tokenIsUnterminated; },
+            getNumericLiteralFlags: function () { return numericLiteralFlags; },
+            reScanGreaterToken: reScanGreaterToken,
+            reScanSlashToken: reScanSlashToken,
+            reScanTemplateToken: reScanTemplateToken,
+            scanJsxIdentifier: scanJsxIdentifier,
+            scanJsxAttributeValue: scanJsxAttributeValue,
+            reScanJsxToken: reScanJsxToken,
+            scanJsxToken: scanJsxToken,
+            scanJSDocToken: scanJSDocToken,
+            scan: scan,
+            getText: getText,
+            setText: setText,
+            setScriptTarget: setScriptTarget,
+            setLanguageVariant: setLanguageVariant,
+            setOnError: setOnError,
+            setTextPos: setTextPos,
+            tryScan: tryScan,
+            lookAhead: lookAhead,
+            scanRange: scanRange,
+        };
+        function error(message, length) {
+            if (onError) {
+                onError(message, length || 0);
             }
-            statementOffset++;
         }
-        return statementOffset;
-    }
-    ts.addCustomPrologue = addCustomPrologue;
-    function startsWithUseStrict(statements) {
-        var firstStatement = ts.firstOrUndefined(statements);
-        return firstStatement !== undefined
-            && ts.isPrologueDirective(firstStatement)
-            && isUseStrictPrologue(firstStatement);
-    }
-    ts.startsWithUseStrict = startsWithUseStrict;
-    function ensureUseStrict(statements) {
-        var foundUseStrict = false;
-        for (var _i = 0, statements_1 = statements; _i < statements_1.length; _i++) {
-            var statement = statements_1[_i];
-            if (ts.isPrologueDirective(statement)) {
-                if (isUseStrictPrologue(statement)) {
-                    foundUseStrict = true;
-                    break;
+        function scanNumber() {
+            var start = pos;
+            while (isDigit(text.charCodeAt(pos)))
+                pos++;
+            if (text.charCodeAt(pos) === 46) {
+                pos++;
+                while (isDigit(text.charCodeAt(pos)))
+                    pos++;
+            }
+            var end = pos;
+            if (text.charCodeAt(pos) === 69 || text.charCodeAt(pos) === 101) {
+                pos++;
+                numericLiteralFlags = 2;
+                if (text.charCodeAt(pos) === 43 || text.charCodeAt(pos) === 45)
+                    pos++;
+                if (isDigit(text.charCodeAt(pos))) {
+                    pos++;
+                    while (isDigit(text.charCodeAt(pos)))
+                        pos++;
+                    end = pos;
+                }
+                else {
+                    error(ts.Diagnostics.Digit_expected);
                 }
             }
-            else {
-                break;
+            return "" + +(text.substring(start, end));
+        }
+        function scanOctalDigits() {
+            var start = pos;
+            while (isOctalDigit(text.charCodeAt(pos))) {
+                pos++;
             }
+            return +(text.substring(start, pos));
         }
-        if (!foundUseStrict) {
-            return ts.setTextRange(ts.createNodeArray([
-                startOnNewLine(ts.createStatement(ts.createLiteral("use strict")))
-            ].concat(statements)), statements);
+        function scanExactNumberOfHexDigits(count) {
+            return scanHexDigits(count, false);
         }
-        return statements;
-    }
-    ts.ensureUseStrict = ensureUseStrict;
-    function parenthesizeBinaryOperand(binaryOperator, operand, isLeftSideOfBinary, leftOperand) {
-        var skipped = skipPartiallyEmittedExpressions(operand);
-        if (skipped.kind === 185) {
-            return operand;
+        function scanMinimumNumberOfHexDigits(count) {
+            return scanHexDigits(count, true);
         }
-        return binaryOperandNeedsParentheses(binaryOperator, operand, isLeftSideOfBinary, leftOperand)
-            ? ts.createParen(operand)
-            : operand;
-    }
-    ts.parenthesizeBinaryOperand = parenthesizeBinaryOperand;
-    function binaryOperandNeedsParentheses(binaryOperator, operand, isLeftSideOfBinary, leftOperand) {
-        var binaryOperatorPrecedence = ts.getOperatorPrecedence(194, binaryOperator);
-        var binaryOperatorAssociativity = ts.getOperatorAssociativity(194, binaryOperator);
-        var emittedOperand = skipPartiallyEmittedExpressions(operand);
-        var operandPrecedence = ts.getExpressionPrecedence(emittedOperand);
-        switch (ts.compareValues(operandPrecedence, binaryOperatorPrecedence)) {
-            case -1:
-                if (!isLeftSideOfBinary
-                    && binaryOperatorAssociativity === 1
-                    && operand.kind === 197) {
-                    return false;
+        function scanHexDigits(minCount, scanAsManyAsPossible) {
+            var digits = 0;
+            var value = 0;
+            while (digits < minCount || scanAsManyAsPossible) {
+                var ch = text.charCodeAt(pos);
+                if (ch >= 48 && ch <= 57) {
+                    value = value * 16 + ch - 48;
                 }
-                return true;
-            case 1:
-                return false;
-            case 0:
-                if (isLeftSideOfBinary) {
-                    return binaryOperatorAssociativity === 1;
+                else if (ch >= 65 && ch <= 70) {
+                    value = value * 16 + ch - 65 + 10;
+                }
+                else if (ch >= 97 && ch <= 102) {
+                    value = value * 16 + ch - 97 + 10;
                 }
                 else {
-                    if (ts.isBinaryExpression(emittedOperand)
-                        && emittedOperand.operatorToken.kind === binaryOperator) {
-                        if (operatorHasAssociativeProperty(binaryOperator)) {
-                            return false;
-                        }
-                        if (binaryOperator === 37) {
-                            var leftKind = leftOperand ? getLiteralKindOfBinaryPlusOperand(leftOperand) : 0;
-                            if (ts.isLiteralKind(leftKind) && leftKind === getLiteralKindOfBinaryPlusOperand(emittedOperand)) {
-                                return false;
-                            }
-                        }
-                    }
-                    var operandAssociativity = ts.getExpressionAssociativity(emittedOperand);
-                    return operandAssociativity === 0;
+                    break;
                 }
-        }
-    }
-    function operatorHasAssociativeProperty(binaryOperator) {
-        return binaryOperator === 39
-            || binaryOperator === 49
-            || binaryOperator === 48
-            || binaryOperator === 50;
-    }
-    function getLiteralKindOfBinaryPlusOperand(node) {
-        node = skipPartiallyEmittedExpressions(node);
-        if (ts.isLiteralKind(node.kind)) {
-            return node.kind;
-        }
-        if (node.kind === 194 && node.operatorToken.kind === 37) {
-            if (node.cachedLiteralKind !== undefined) {
-                return node.cachedLiteralKind;
+                pos++;
+                digits++;
             }
-            var leftKind = getLiteralKindOfBinaryPlusOperand(node.left);
-            var literalKind = ts.isLiteralKind(leftKind)
-                && leftKind === getLiteralKindOfBinaryPlusOperand(node.right)
-                ? leftKind
-                : 0;
-            node.cachedLiteralKind = literalKind;
-            return literalKind;
-        }
-        return 0;
-    }
-    function parenthesizeForConditionalHead(condition) {
-        var conditionalPrecedence = ts.getOperatorPrecedence(195, 55);
-        var emittedCondition = skipPartiallyEmittedExpressions(condition);
-        var conditionPrecedence = ts.getExpressionPrecedence(emittedCondition);
-        if (ts.compareValues(conditionPrecedence, conditionalPrecedence) === -1) {
-            return ts.createParen(condition);
-        }
-        return condition;
-    }
-    ts.parenthesizeForConditionalHead = parenthesizeForConditionalHead;
-    function parenthesizeSubexpressionOfConditionalExpression(e) {
-        return e.kind === 194 && e.operatorToken.kind === 26
-            ? ts.createParen(e)
-            : e;
-    }
-    ts.parenthesizeSubexpressionOfConditionalExpression = parenthesizeSubexpressionOfConditionalExpression;
-    function parenthesizeForNew(expression) {
-        var emittedExpression = skipPartiallyEmittedExpressions(expression);
-        switch (emittedExpression.kind) {
-            case 181:
-                return ts.createParen(expression);
-            case 182:
-                return emittedExpression.arguments
-                    ? expression
-                    : ts.createParen(expression);
-        }
-        return parenthesizeForAccess(expression);
-    }
-    ts.parenthesizeForNew = parenthesizeForNew;
-    function parenthesizeForAccess(expression) {
-        var emittedExpression = skipPartiallyEmittedExpressions(expression);
-        if (ts.isLeftHandSideExpression(emittedExpression)
-            && (emittedExpression.kind !== 182 || emittedExpression.arguments)) {
-            return expression;
+            if (digits < minCount) {
+                value = -1;
+            }
+            return value;
         }
-        return ts.setTextRange(ts.createParen(expression), expression);
-    }
-    ts.parenthesizeForAccess = parenthesizeForAccess;
-    function parenthesizePostfixOperand(operand) {
-        return ts.isLeftHandSideExpression(operand)
-            ? operand
-            : ts.setTextRange(ts.createParen(operand), operand);
-    }
-    ts.parenthesizePostfixOperand = parenthesizePostfixOperand;
-    function parenthesizePrefixOperand(operand) {
-        return ts.isUnaryExpression(operand)
-            ? operand
-            : ts.setTextRange(ts.createParen(operand), operand);
-    }
-    ts.parenthesizePrefixOperand = parenthesizePrefixOperand;
-    function parenthesizeListElements(elements) {
-        var result;
-        for (var i = 0; i < elements.length; i++) {
-            var element = parenthesizeExpressionForList(elements[i]);
-            if (result !== undefined || element !== elements[i]) {
-                if (result === undefined) {
-                    result = elements.slice(0, i);
+        function scanString(allowEscapes) {
+            if (allowEscapes === void 0) { allowEscapes = true; }
+            var quote = text.charCodeAt(pos);
+            pos++;
+            var result = "";
+            var start = pos;
+            while (true) {
+                if (pos >= end) {
+                    result += text.substring(start, pos);
+                    tokenIsUnterminated = true;
+                    error(ts.Diagnostics.Unterminated_string_literal);
+                    break;
                 }
-                result.push(element);
+                var ch = text.charCodeAt(pos);
+                if (ch === quote) {
+                    result += text.substring(start, pos);
+                    pos++;
+                    break;
+                }
+                if (ch === 92 && allowEscapes) {
+                    result += text.substring(start, pos);
+                    result += scanEscapeSequence();
+                    start = pos;
+                    continue;
+                }
+                if (isLineBreak(ch)) {
+                    result += text.substring(start, pos);
+                    tokenIsUnterminated = true;
+                    error(ts.Diagnostics.Unterminated_string_literal);
+                    break;
+                }
+                pos++;
             }
+            return result;
         }
-        if (result !== undefined) {
-            return ts.setTextRange(ts.createNodeArray(result, elements.hasTrailingComma), elements);
-        }
-        return elements;
-    }
-    ts.parenthesizeListElements = parenthesizeListElements;
-    function parenthesizeExpressionForList(expression) {
-        var emittedExpression = skipPartiallyEmittedExpressions(expression);
-        var expressionPrecedence = ts.getExpressionPrecedence(emittedExpression);
-        var commaPrecedence = ts.getOperatorPrecedence(194, 26);
-        return expressionPrecedence > commaPrecedence
-            ? expression
-            : ts.setTextRange(ts.createParen(expression), expression);
-    }
-    ts.parenthesizeExpressionForList = parenthesizeExpressionForList;
-    function parenthesizeExpressionForExpressionStatement(expression) {
-        var emittedExpression = skipPartiallyEmittedExpressions(expression);
-        if (ts.isCallExpression(emittedExpression)) {
-            var callee = emittedExpression.expression;
-            var kind = skipPartiallyEmittedExpressions(callee).kind;
-            if (kind === 186 || kind === 187) {
-                var mutableCall = ts.getMutableClone(emittedExpression);
-                mutableCall.expression = ts.setTextRange(ts.createParen(callee), callee);
-                return recreateOuterExpressions(expression, mutableCall, 4);
+        function scanTemplateAndSetTokenValue() {
+            var startedWithBacktick = text.charCodeAt(pos) === 96;
+            pos++;
+            var start = pos;
+            var contents = "";
+            var resultingToken;
+            while (true) {
+                if (pos >= end) {
+                    contents += text.substring(start, pos);
+                    tokenIsUnterminated = true;
+                    error(ts.Diagnostics.Unterminated_template_literal);
+                    resultingToken = startedWithBacktick ? 13 : 16;
+                    break;
+                }
+                var currChar = text.charCodeAt(pos);
+                if (currChar === 96) {
+                    contents += text.substring(start, pos);
+                    pos++;
+                    resultingToken = startedWithBacktick ? 13 : 16;
+                    break;
+                }
+                if (currChar === 36 && pos + 1 < end && text.charCodeAt(pos + 1) === 123) {
+                    contents += text.substring(start, pos);
+                    pos += 2;
+                    resultingToken = startedWithBacktick ? 14 : 15;
+                    break;
+                }
+                if (currChar === 92) {
+                    contents += text.substring(start, pos);
+                    contents += scanEscapeSequence();
+                    start = pos;
+                    continue;
+                }
+                if (currChar === 13) {
+                    contents += text.substring(start, pos);
+                    pos++;
+                    if (pos < end && text.charCodeAt(pos) === 10) {
+                        pos++;
+                    }
+                    contents += "\n";
+                    start = pos;
+                    continue;
+                }
+                pos++;
             }
+            ts.Debug.assert(resultingToken !== undefined);
+            tokenValue = contents;
+            return resultingToken;
         }
-        else {
-            var leftmostExpressionKind = getLeftmostExpression(emittedExpression).kind;
-            if (leftmostExpressionKind === 178 || leftmostExpressionKind === 186) {
-                return ts.setTextRange(ts.createParen(expression), expression);
+        function scanEscapeSequence() {
+            pos++;
+            if (pos >= end) {
+                error(ts.Diagnostics.Unexpected_end_of_text);
+                return "";
             }
-        }
-        return expression;
-    }
-    ts.parenthesizeExpressionForExpressionStatement = parenthesizeExpressionForExpressionStatement;
-    function parenthesizeElementTypeMember(member) {
-        switch (member.kind) {
-            case 166:
-            case 167:
-            case 160:
-            case 161:
-                return ts.createParenthesizedType(member);
-        }
-        return member;
-    }
-    ts.parenthesizeElementTypeMember = parenthesizeElementTypeMember;
-    function parenthesizeElementTypeMembers(members) {
-        return ts.createNodeArray(ts.sameMap(members, parenthesizeElementTypeMember));
-    }
-    ts.parenthesizeElementTypeMembers = parenthesizeElementTypeMembers;
-    function parenthesizeTypeParameters(typeParameters) {
-        if (ts.some(typeParameters)) {
-            var nodeArray = ts.createNodeArray();
-            for (var i = 0; i < typeParameters.length; ++i) {
-                var entry = typeParameters[i];
-                nodeArray.push(i === 0 && ts.isFunctionOrConstructorTypeNode(entry) && entry.typeParameters ?
-                    ts.createParenthesizedType(entry) :
-                    entry);
+            var ch = text.charCodeAt(pos);
+            pos++;
+            switch (ch) {
+                case 48:
+                    return "\0";
+                case 98:
+                    return "\b";
+                case 116:
+                    return "\t";
+                case 110:
+                    return "\n";
+                case 118:
+                    return "\v";
+                case 102:
+                    return "\f";
+                case 114:
+                    return "\r";
+                case 39:
+                    return "\'";
+                case 34:
+                    return "\"";
+                case 117:
+                    if (pos < end && text.charCodeAt(pos) === 123) {
+                        hasExtendedUnicodeEscape = true;
+                        pos++;
+                        return scanExtendedUnicodeEscape();
+                    }
+                    return scanHexadecimalEscape(4);
+                case 120:
+                    return scanHexadecimalEscape(2);
+                case 13:
+                    if (pos < end && text.charCodeAt(pos) === 10) {
+                        pos++;
+                    }
+                case 10:
+                case 8232:
+                case 8233:
+                    return "";
+                default:
+                    return String.fromCharCode(ch);
             }
-            return nodeArray;
         }
-    }
-    ts.parenthesizeTypeParameters = parenthesizeTypeParameters;
-    function getLeftmostExpression(node) {
-        while (true) {
-            switch (node.kind) {
-                case 193:
-                    node = node.operand;
-                    continue;
-                case 194:
-                    node = node.left;
-                    continue;
-                case 195:
-                    node = node.condition;
-                    continue;
-                case 181:
-                case 180:
-                case 179:
-                    node = node.expression;
-                    continue;
-                case 297:
-                    node = node.expression;
-                    continue;
+        function scanHexadecimalEscape(numDigits) {
+            var escapedValue = scanExactNumberOfHexDigits(numDigits);
+            if (escapedValue >= 0) {
+                return String.fromCharCode(escapedValue);
+            }
+            else {
+                error(ts.Diagnostics.Hexadecimal_digit_expected);
+                return "";
             }
-            return node;
-        }
-    }
-    function parenthesizeConciseBody(body) {
-        if (!ts.isBlock(body) && getLeftmostExpression(body).kind === 178) {
-            return ts.setTextRange(ts.createParen(body), body);
-        }
-        return body;
-    }
-    ts.parenthesizeConciseBody = parenthesizeConciseBody;
-    var OuterExpressionKinds;
-    (function (OuterExpressionKinds) {
-        OuterExpressionKinds[OuterExpressionKinds["Parentheses"] = 1] = "Parentheses";
-        OuterExpressionKinds[OuterExpressionKinds["Assertions"] = 2] = "Assertions";
-        OuterExpressionKinds[OuterExpressionKinds["PartiallyEmittedExpressions"] = 4] = "PartiallyEmittedExpressions";
-        OuterExpressionKinds[OuterExpressionKinds["All"] = 7] = "All";
-    })(OuterExpressionKinds = ts.OuterExpressionKinds || (ts.OuterExpressionKinds = {}));
-    function isOuterExpression(node, kinds) {
-        if (kinds === void 0) { kinds = 7; }
-        switch (node.kind) {
-            case 185:
-                return (kinds & 1) !== 0;
-            case 184:
-            case 202:
-            case 203:
-                return (kinds & 2) !== 0;
-            case 297:
-                return (kinds & 4) !== 0;
         }
-        return false;
-    }
-    ts.isOuterExpression = isOuterExpression;
-    function skipOuterExpressions(node, kinds) {
-        if (kinds === void 0) { kinds = 7; }
-        var previousNode;
-        do {
-            previousNode = node;
-            if (kinds & 1) {
-                node = skipParentheses(node);
+        function scanExtendedUnicodeEscape() {
+            var escapedValue = scanMinimumNumberOfHexDigits(1);
+            var isInvalidExtendedEscape = false;
+            if (escapedValue < 0) {
+                error(ts.Diagnostics.Hexadecimal_digit_expected);
+                isInvalidExtendedEscape = true;
             }
-            if (kinds & 2) {
-                node = skipAssertions(node);
+            else if (escapedValue > 0x10FFFF) {
+                error(ts.Diagnostics.An_extended_Unicode_escape_value_must_be_between_0x0_and_0x10FFFF_inclusive);
+                isInvalidExtendedEscape = true;
             }
-            if (kinds & 4) {
-                node = skipPartiallyEmittedExpressions(node);
+            if (pos >= end) {
+                error(ts.Diagnostics.Unexpected_end_of_text);
+                isInvalidExtendedEscape = true;
             }
-        } while (previousNode !== node);
-        return node;
-    }
-    ts.skipOuterExpressions = skipOuterExpressions;
-    function skipParentheses(node) {
-        while (node.kind === 185) {
-            node = node.expression;
-        }
-        return node;
-    }
-    ts.skipParentheses = skipParentheses;
-    function skipAssertions(node) {
-        while (ts.isAssertionExpression(node) || node.kind === 203) {
-            node = node.expression;
-        }
-        return node;
-    }
-    ts.skipAssertions = skipAssertions;
-    function skipPartiallyEmittedExpressions(node) {
-        while (node.kind === 297) {
-            node = node.expression;
-        }
-        return node;
-    }
-    ts.skipPartiallyEmittedExpressions = skipPartiallyEmittedExpressions;
-    function updateOuterExpression(outerExpression, expression) {
-        switch (outerExpression.kind) {
-            case 185: return ts.updateParen(outerExpression, expression);
-            case 184: return ts.updateTypeAssertion(outerExpression, outerExpression.type, expression);
-            case 202: return ts.updateAsExpression(outerExpression, expression, outerExpression.type);
-            case 203: return ts.updateNonNullExpression(outerExpression, expression);
-            case 297: return ts.updatePartiallyEmittedExpression(outerExpression, expression);
-        }
-    }
-    function recreateOuterExpressions(outerExpression, innerExpression, kinds) {
-        if (kinds === void 0) { kinds = 7; }
-        if (outerExpression && isOuterExpression(outerExpression, kinds)) {
-            return updateOuterExpression(outerExpression, recreateOuterExpressions(outerExpression.expression, innerExpression));
-        }
-        return innerExpression;
-    }
-    ts.recreateOuterExpressions = recreateOuterExpressions;
-    function startOnNewLine(node) {
-        node.startsOnNewLine = true;
-        return node;
-    }
-    ts.startOnNewLine = startOnNewLine;
-    function getExternalHelpersModuleName(node) {
-        var parseNode = ts.getOriginalNode(node, ts.isSourceFile);
-        var emitNode = parseNode && parseNode.emitNode;
-        return emitNode && emitNode.externalHelpersModuleName;
-    }
-    ts.getExternalHelpersModuleName = getExternalHelpersModuleName;
-    function getOrCreateExternalHelpersModuleNameIfNeeded(node, compilerOptions, hasExportStarsToExportValues) {
-        if (compilerOptions.importHelpers && ts.isEffectiveExternalModule(node, compilerOptions)) {
-            var externalHelpersModuleName = getExternalHelpersModuleName(node);
-            if (externalHelpersModuleName) {
-                return externalHelpersModuleName;
+            else if (text.charCodeAt(pos) === 125) {
+                pos++;
             }
-            var moduleKind = ts.getEmitModuleKind(compilerOptions);
-            var create = hasExportStarsToExportValues
-                && moduleKind !== ts.ModuleKind.System
-                && moduleKind !== ts.ModuleKind.ES2015;
-            if (!create) {
-                var helpers = ts.getEmitHelpers(node);
-                if (helpers) {
-                    for (var _i = 0, helpers_2 = helpers; _i < helpers_2.length; _i++) {
-                        var helper = helpers_2[_i];
-                        if (!helper.scoped) {
-                            create = true;
-                            break;
-                        }
-                    }
-                }
+            else {
+                error(ts.Diagnostics.Unterminated_Unicode_escape_sequence);
+                isInvalidExtendedEscape = true;
             }
-            if (create) {
-                var parseNode = ts.getOriginalNode(node, ts.isSourceFile);
-                var emitNode = ts.getOrCreateEmitNode(parseNode);
-                return emitNode.externalHelpersModuleName || (emitNode.externalHelpersModuleName = ts.createUniqueName(ts.externalHelpersModuleNameText));
+            if (isInvalidExtendedEscape) {
+                return "";
             }
+            return utf16EncodeAsString(escapedValue);
         }
-    }
-    ts.getOrCreateExternalHelpersModuleNameIfNeeded = getOrCreateExternalHelpersModuleNameIfNeeded;
-    function getLocalNameForExternalImport(node, sourceFile) {
-        var namespaceDeclaration = ts.getNamespaceDeclarationNode(node);
-        if (namespaceDeclaration && !ts.isDefaultImport(node)) {
-            var name = namespaceDeclaration.name;
-            return ts.isGeneratedIdentifier(name) ? name : ts.createIdentifier(ts.getSourceTextOfNodeFromSourceFile(sourceFile, namespaceDeclaration.name));
-        }
-        if (node.kind === 238 && node.importClause) {
-            return ts.getGeneratedNameForNode(node);
-        }
-        if (node.kind === 244 && node.moduleSpecifier) {
-            return ts.getGeneratedNameForNode(node);
-        }
-        return undefined;
-    }
-    ts.getLocalNameForExternalImport = getLocalNameForExternalImport;
-    function getExternalModuleNameLiteral(importNode, sourceFile, host, resolver, compilerOptions) {
-        var moduleName = ts.getExternalModuleName(importNode);
-        if (moduleName.kind === 9) {
-            return tryGetModuleNameFromDeclaration(importNode, host, resolver, compilerOptions)
-                || tryRenameExternalModule(moduleName, sourceFile)
-                || ts.getSynthesizedClone(moduleName);
-        }
-        return undefined;
-    }
-    ts.getExternalModuleNameLiteral = getExternalModuleNameLiteral;
-    function tryRenameExternalModule(moduleName, sourceFile) {
-        var rename = sourceFile.renamedDependencies && sourceFile.renamedDependencies.get(moduleName.text);
-        return rename && ts.createLiteral(rename);
-    }
-    function tryGetModuleNameFromFile(file, host, options) {
-        if (!file) {
-            return undefined;
-        }
-        if (file.moduleName) {
-            return ts.createLiteral(file.moduleName);
-        }
-        if (!file.isDeclarationFile && (options.out || options.outFile)) {
-            return ts.createLiteral(ts.getExternalModuleNameFromPath(host, file.fileName));
-        }
-        return undefined;
-    }
-    ts.tryGetModuleNameFromFile = tryGetModuleNameFromFile;
-    function tryGetModuleNameFromDeclaration(declaration, host, resolver, compilerOptions) {
-        return tryGetModuleNameFromFile(resolver.getExternalModuleFileFromDeclaration(declaration), host, compilerOptions);
-    }
-    function getInitializerOfBindingOrAssignmentElement(bindingElement) {
-        if (ts.isDeclarationBindingElement(bindingElement)) {
-            return bindingElement.initializer;
-        }
-        if (ts.isPropertyAssignment(bindingElement)) {
-            return ts.isAssignmentExpression(bindingElement.initializer, true)
-                ? bindingElement.initializer.right
-                : undefined;
-        }
-        if (ts.isShorthandPropertyAssignment(bindingElement)) {
-            return bindingElement.objectAssignmentInitializer;
-        }
-        if (ts.isAssignmentExpression(bindingElement, true)) {
-            return bindingElement.right;
-        }
-        if (ts.isSpreadElement(bindingElement)) {
-            return getInitializerOfBindingOrAssignmentElement(bindingElement.expression);
-        }
-    }
-    ts.getInitializerOfBindingOrAssignmentElement = getInitializerOfBindingOrAssignmentElement;
-    function getTargetOfBindingOrAssignmentElement(bindingElement) {
-        if (ts.isDeclarationBindingElement(bindingElement)) {
-            return bindingElement.name;
-        }
-        if (ts.isObjectLiteralElementLike(bindingElement)) {
-            switch (bindingElement.kind) {
-                case 261:
-                    return getTargetOfBindingOrAssignmentElement(bindingElement.initializer);
-                case 262:
-                    return bindingElement.name;
-                case 263:
-                    return getTargetOfBindingOrAssignmentElement(bindingElement.expression);
+        function utf16EncodeAsString(codePoint) {
+            ts.Debug.assert(0x0 <= codePoint && codePoint <= 0x10FFFF);
+            if (codePoint <= 65535) {
+                return String.fromCharCode(codePoint);
             }
-            return undefined;
-        }
-        if (ts.isAssignmentExpression(bindingElement, true)) {
-            return getTargetOfBindingOrAssignmentElement(bindingElement.left);
-        }
-        if (ts.isSpreadElement(bindingElement)) {
-            return getTargetOfBindingOrAssignmentElement(bindingElement.expression);
+            var codeUnit1 = Math.floor((codePoint - 65536) / 1024) + 0xD800;
+            var codeUnit2 = ((codePoint - 65536) % 1024) + 0xDC00;
+            return String.fromCharCode(codeUnit1, codeUnit2);
         }
-        return bindingElement;
-    }
-    ts.getTargetOfBindingOrAssignmentElement = getTargetOfBindingOrAssignmentElement;
-    function getRestIndicatorOfBindingOrAssignmentElement(bindingElement) {
-        switch (bindingElement.kind) {
-            case 146:
-            case 176:
-                return bindingElement.dotDotDotToken;
-            case 198:
-            case 263:
-                return bindingElement;
+        function peekUnicodeEscape() {
+            if (pos + 5 < end && text.charCodeAt(pos + 1) === 117) {
+                var start_1 = pos;
+                pos += 2;
+                var value = scanExactNumberOfHexDigits(4);
+                pos = start_1;
+                return value;
+            }
+            return -1;
         }
-        return undefined;
-    }
-    ts.getRestIndicatorOfBindingOrAssignmentElement = getRestIndicatorOfBindingOrAssignmentElement;
-    function getPropertyNameOfBindingOrAssignmentElement(bindingElement) {
-        switch (bindingElement.kind) {
-            case 176:
-                if (bindingElement.propertyName) {
-                    var propertyName = bindingElement.propertyName;
-                    return ts.isComputedPropertyName(propertyName) && ts.isStringOrNumericLiteral(propertyName.expression)
-                        ? propertyName.expression
-                        : propertyName;
+        function scanIdentifierParts() {
+            var result = "";
+            var start = pos;
+            while (pos < end) {
+                var ch = text.charCodeAt(pos);
+                if (isIdentifierPart(ch, languageVersion)) {
+                    pos++;
                 }
-                break;
-            case 261:
-                if (bindingElement.name) {
-                    var propertyName = bindingElement.name;
-                    return ts.isComputedPropertyName(propertyName) && ts.isStringOrNumericLiteral(propertyName.expression)
-                        ? propertyName.expression
-                        : propertyName;
+                else if (ch === 92) {
+                    ch = peekUnicodeEscape();
+                    if (!(ch >= 0 && isIdentifierPart(ch, languageVersion))) {
+                        break;
+                    }
+                    result += text.substring(start, pos);
+                    result += String.fromCharCode(ch);
+                    pos += 6;
+                    start = pos;
                 }
-                break;
-            case 263:
-                return bindingElement.name;
-        }
-        var target = getTargetOfBindingOrAssignmentElement(bindingElement);
-        if (target && ts.isPropertyName(target)) {
-            return ts.isComputedPropertyName(target) && ts.isStringOrNumericLiteral(target.expression)
-                ? target.expression
-                : target;
-        }
-        ts.Debug.fail("Invalid property name for binding element.");
-    }
-    ts.getPropertyNameOfBindingOrAssignmentElement = getPropertyNameOfBindingOrAssignmentElement;
-    function getElementsOfBindingOrAssignmentPattern(name) {
-        switch (name.kind) {
-            case 174:
-            case 175:
-            case 177:
-                return name.elements;
-            case 178:
-                return name.properties;
+                else {
+                    break;
+                }
+            }
+            result += text.substring(start, pos);
+            return result;
         }
-    }
-    ts.getElementsOfBindingOrAssignmentPattern = getElementsOfBindingOrAssignmentPattern;
-    function convertToArrayAssignmentElement(element) {
-        if (ts.isBindingElement(element)) {
-            if (element.dotDotDotToken) {
-                ts.Debug.assertNode(element.name, ts.isIdentifier);
-                return ts.setOriginalNode(ts.setTextRange(ts.createSpread(element.name), element), element);
+        function getIdentifierToken() {
+            var len = tokenValue.length;
+            if (len >= 2 && len <= 11) {
+                var ch = tokenValue.charCodeAt(0);
+                if (ch >= 97 && ch <= 122) {
+                    token = textToToken.get(tokenValue);
+                    if (token !== undefined) {
+                        return token;
+                    }
+                }
             }
-            var expression = convertToAssignmentElementTarget(element.name);
-            return element.initializer
-                ? ts.setOriginalNode(ts.setTextRange(ts.createAssignment(expression, element.initializer), element), element)
-                : expression;
+            return token = 71;
         }
-        ts.Debug.assertNode(element, ts.isExpression);
-        return element;
-    }
-    ts.convertToArrayAssignmentElement = convertToArrayAssignmentElement;
-    function convertToObjectAssignmentElement(element) {
-        if (ts.isBindingElement(element)) {
-            if (element.dotDotDotToken) {
-                ts.Debug.assertNode(element.name, ts.isIdentifier);
-                return ts.setOriginalNode(ts.setTextRange(ts.createSpreadAssignment(element.name), element), element);
+        function scanBinaryOrOctalDigits(base) {
+            ts.Debug.assert(base === 2 || base === 8, "Expected either base 2 or base 8");
+            var value = 0;
+            var numberOfDigits = 0;
+            while (true) {
+                var ch = text.charCodeAt(pos);
+                var valueOfCh = ch - 48;
+                if (!isDigit(ch) || valueOfCh >= base) {
+                    break;
+                }
+                value = value * base + valueOfCh;
+                pos++;
+                numberOfDigits++;
             }
-            if (element.propertyName) {
-                var expression = convertToAssignmentElementTarget(element.name);
-                return ts.setOriginalNode(ts.setTextRange(ts.createPropertyAssignment(element.propertyName, element.initializer ? ts.createAssignment(expression, element.initializer) : expression), element), element);
+            if (numberOfDigits === 0) {
+                return -1;
             }
-            ts.Debug.assertNode(element.name, ts.isIdentifier);
-            return ts.setOriginalNode(ts.setTextRange(ts.createShorthandPropertyAssignment(element.name, element.initializer), element), element);
-        }
-        ts.Debug.assertNode(element, ts.isObjectLiteralElementLike);
-        return element;
-    }
-    ts.convertToObjectAssignmentElement = convertToObjectAssignmentElement;
-    function convertToAssignmentPattern(node) {
-        switch (node.kind) {
-            case 175:
-            case 177:
-                return convertToArrayAssignmentPattern(node);
-            case 174:
-            case 178:
-                return convertToObjectAssignmentPattern(node);
-        }
-    }
-    ts.convertToAssignmentPattern = convertToAssignmentPattern;
-    function convertToObjectAssignmentPattern(node) {
-        if (ts.isObjectBindingPattern(node)) {
-            return ts.setOriginalNode(ts.setTextRange(ts.createObjectLiteral(ts.map(node.elements, convertToObjectAssignmentElement)), node), node);
-        }
-        ts.Debug.assertNode(node, ts.isObjectLiteralExpression);
-        return node;
-    }
-    ts.convertToObjectAssignmentPattern = convertToObjectAssignmentPattern;
-    function convertToArrayAssignmentPattern(node) {
-        if (ts.isArrayBindingPattern(node)) {
-            return ts.setOriginalNode(ts.setTextRange(ts.createArrayLiteral(ts.map(node.elements, convertToArrayAssignmentElement)), node), node);
-        }
-        ts.Debug.assertNode(node, ts.isArrayLiteralExpression);
-        return node;
-    }
-    ts.convertToArrayAssignmentPattern = convertToArrayAssignmentPattern;
-    function convertToAssignmentElementTarget(node) {
-        if (ts.isBindingPattern(node)) {
-            return convertToAssignmentPattern(node);
+            return value;
         }
-        ts.Debug.assertNode(node, ts.isExpression);
-        return node;
-    }
-    ts.convertToAssignmentElementTarget = convertToAssignmentElementTarget;
-    function collectExternalModuleInfo(sourceFile, resolver, compilerOptions) {
-        var externalImports = [];
-        var exportSpecifiers = ts.createMultiMap();
-        var exportedBindings = [];
-        var uniqueExports = ts.createMap();
-        var exportedNames;
-        var hasExportDefault = false;
-        var exportEquals = undefined;
-        var hasExportStarsToExportValues = false;
-        for (var _i = 0, _a = sourceFile.statements; _i < _a.length; _i++) {
-            var node = _a[_i];
-            switch (node.kind) {
-                case 238:
-                    externalImports.push(node);
-                    break;
-                case 237:
-                    if (node.moduleReference.kind === 248) {
-                        externalImports.push(node);
+        function scan() {
+            startPos = pos;
+            hasExtendedUnicodeEscape = false;
+            precedingLineBreak = false;
+            tokenIsUnterminated = false;
+            numericLiteralFlags = 0;
+            while (true) {
+                tokenPos = pos;
+                if (pos >= end) {
+                    return token = 1;
+                }
+                var ch = text.charCodeAt(pos);
+                if (ch === 35 && pos === 0 && isShebangTrivia(text, pos)) {
+                    pos = scanShebangTrivia(text, pos);
+                    if (skipTrivia) {
+                        continue;
                     }
-                    break;
-                case 244:
-                    if (node.moduleSpecifier) {
-                        if (!node.exportClause) {
-                            externalImports.push(node);
-                            hasExportStarsToExportValues = true;
+                    else {
+                        return token = 6;
+                    }
+                }
+                switch (ch) {
+                    case 10:
+                    case 13:
+                        precedingLineBreak = true;
+                        if (skipTrivia) {
+                            pos++;
+                            continue;
                         }
                         else {
-                            externalImports.push(node);
+                            if (ch === 13 && pos + 1 < end && text.charCodeAt(pos + 1) === 10) {
+                                pos += 2;
+                            }
+                            else {
+                                pos++;
+                            }
+                            return token = 4;
                         }
-                    }
-                    else {
-                        for (var _b = 0, _c = node.exportClause.elements; _b < _c.length; _b++) {
-                            var specifier = _c[_b];
-                            if (!uniqueExports.get(specifier.name.text)) {
-                                var name = specifier.propertyName || specifier.name;
-                                exportSpecifiers.add(name.text, specifier);
-                                var decl = resolver.getReferencedImportDeclaration(name)
-                                    || resolver.getReferencedValueDeclaration(name);
-                                if (decl) {
-                                    multiMapSparseArrayAdd(exportedBindings, ts.getOriginalNodeId(decl), specifier.name);
+                    case 9:
+                    case 11:
+                    case 12:
+                    case 32:
+                        if (skipTrivia) {
+                            pos++;
+                            continue;
+                        }
+                        else {
+                            while (pos < end && isWhiteSpaceSingleLine(text.charCodeAt(pos))) {
+                                pos++;
+                            }
+                            return token = 5;
+                        }
+                    case 33:
+                        if (text.charCodeAt(pos + 1) === 61) {
+                            if (text.charCodeAt(pos + 2) === 61) {
+                                return pos += 3, token = 35;
+                            }
+                            return pos += 2, token = 33;
+                        }
+                        pos++;
+                        return token = 51;
+                    case 34:
+                    case 39:
+                        tokenValue = scanString();
+                        return token = 9;
+                    case 96:
+                        return token = scanTemplateAndSetTokenValue();
+                    case 37:
+                        if (text.charCodeAt(pos + 1) === 61) {
+                            return pos += 2, token = 64;
+                        }
+                        pos++;
+                        return token = 42;
+                    case 38:
+                        if (text.charCodeAt(pos + 1) === 38) {
+                            return pos += 2, token = 53;
+                        }
+                        if (text.charCodeAt(pos + 1) === 61) {
+                            return pos += 2, token = 68;
+                        }
+                        pos++;
+                        return token = 48;
+                    case 40:
+                        pos++;
+                        return token = 19;
+                    case 41:
+                        pos++;
+                        return token = 20;
+                    case 42:
+                        if (text.charCodeAt(pos + 1) === 61) {
+                            return pos += 2, token = 61;
+                        }
+                        if (text.charCodeAt(pos + 1) === 42) {
+                            if (text.charCodeAt(pos + 2) === 61) {
+                                return pos += 3, token = 62;
+                            }
+                            return pos += 2, token = 40;
+                        }
+                        pos++;
+                        return token = 39;
+                    case 43:
+                        if (text.charCodeAt(pos + 1) === 43) {
+                            return pos += 2, token = 43;
+                        }
+                        if (text.charCodeAt(pos + 1) === 61) {
+                            return pos += 2, token = 59;
+                        }
+                        pos++;
+                        return token = 37;
+                    case 44:
+                        pos++;
+                        return token = 26;
+                    case 45:
+                        if (text.charCodeAt(pos + 1) === 45) {
+                            return pos += 2, token = 44;
+                        }
+                        if (text.charCodeAt(pos + 1) === 61) {
+                            return pos += 2, token = 60;
+                        }
+                        pos++;
+                        return token = 38;
+                    case 46:
+                        if (isDigit(text.charCodeAt(pos + 1))) {
+                            tokenValue = scanNumber();
+                            return token = 8;
+                        }
+                        if (text.charCodeAt(pos + 1) === 46 && text.charCodeAt(pos + 2) === 46) {
+                            return pos += 3, token = 24;
+                        }
+                        pos++;
+                        return token = 23;
+                    case 47:
+                        if (text.charCodeAt(pos + 1) === 47) {
+                            pos += 2;
+                            while (pos < end) {
+                                if (isLineBreak(text.charCodeAt(pos))) {
+                                    break;
                                 }
-                                uniqueExports.set(specifier.name.text, true);
-                                exportedNames = ts.append(exportedNames, specifier.name);
+                                pos++;
+                            }
+                            if (skipTrivia) {
+                                continue;
+                            }
+                            else {
+                                return token = 2;
                             }
                         }
-                    }
-                    break;
-                case 243:
-                    if (node.isExportEquals && !exportEquals) {
-                        exportEquals = node;
-                    }
-                    break;
-                case 208:
-                    if (ts.hasModifier(node, 1)) {
-                        for (var _d = 0, _e = node.declarationList.declarations; _d < _e.length; _d++) {
-                            var decl = _e[_d];
-                            exportedNames = collectExportedVariableInfo(decl, uniqueExports, exportedNames);
+                        if (text.charCodeAt(pos + 1) === 42) {
+                            pos += 2;
+                            var commentClosed = false;
+                            while (pos < end) {
+                                var ch_1 = text.charCodeAt(pos);
+                                if (ch_1 === 42 && text.charCodeAt(pos + 1) === 47) {
+                                    pos += 2;
+                                    commentClosed = true;
+                                    break;
+                                }
+                                if (isLineBreak(ch_1)) {
+                                    precedingLineBreak = true;
+                                }
+                                pos++;
+                            }
+                            if (!commentClosed) {
+                                error(ts.Diagnostics.Asterisk_Slash_expected);
+                            }
+                            if (skipTrivia) {
+                                continue;
+                            }
+                            else {
+                                tokenIsUnterminated = !commentClosed;
+                                return token = 3;
+                            }
                         }
-                    }
-                    break;
-                case 228:
-                    if (ts.hasModifier(node, 1)) {
-                        if (ts.hasModifier(node, 512)) {
-                            if (!hasExportDefault) {
-                                multiMapSparseArrayAdd(exportedBindings, ts.getOriginalNodeId(node), getDeclarationName(node));
-                                hasExportDefault = true;
+                        if (text.charCodeAt(pos + 1) === 61) {
+                            return pos += 2, token = 63;
+                        }
+                        pos++;
+                        return token = 41;
+                    case 48:
+                        if (pos + 2 < end && (text.charCodeAt(pos + 1) === 88 || text.charCodeAt(pos + 1) === 120)) {
+                            pos += 2;
+                            var value = scanMinimumNumberOfHexDigits(1);
+                            if (value < 0) {
+                                error(ts.Diagnostics.Hexadecimal_digit_expected);
+                                value = 0;
                             }
+                            tokenValue = "" + value;
+                            numericLiteralFlags = 8;
+                            return token = 8;
                         }
-                        else {
-                            var name = node.name;
-                            if (!uniqueExports.get(name.text)) {
-                                multiMapSparseArrayAdd(exportedBindings, ts.getOriginalNodeId(node), name);
-                                uniqueExports.set(name.text, true);
-                                exportedNames = ts.append(exportedNames, name);
+                        else if (pos + 2 < end && (text.charCodeAt(pos + 1) === 66 || text.charCodeAt(pos + 1) === 98)) {
+                            pos += 2;
+                            var value = scanBinaryOrOctalDigits(2);
+                            if (value < 0) {
+                                error(ts.Diagnostics.Binary_digit_expected);
+                                value = 0;
                             }
+                            tokenValue = "" + value;
+                            numericLiteralFlags = 16;
+                            return token = 8;
                         }
-                    }
-                    break;
-                case 229:
-                    if (ts.hasModifier(node, 1)) {
-                        if (ts.hasModifier(node, 512)) {
-                            if (!hasExportDefault) {
-                                multiMapSparseArrayAdd(exportedBindings, ts.getOriginalNodeId(node), getDeclarationName(node));
-                                hasExportDefault = true;
+                        else if (pos + 2 < end && (text.charCodeAt(pos + 1) === 79 || text.charCodeAt(pos + 1) === 111)) {
+                            pos += 2;
+                            var value = scanBinaryOrOctalDigits(8);
+                            if (value < 0) {
+                                error(ts.Diagnostics.Octal_digit_expected);
+                                value = 0;
+                            }
+                            tokenValue = "" + value;
+                            numericLiteralFlags = 32;
+                            return token = 8;
+                        }
+                        if (pos + 1 < end && isOctalDigit(text.charCodeAt(pos + 1))) {
+                            tokenValue = "" + scanOctalDigits();
+                            numericLiteralFlags = 4;
+                            return token = 8;
+                        }
+                    case 49:
+                    case 50:
+                    case 51:
+                    case 52:
+                    case 53:
+                    case 54:
+                    case 55:
+                    case 56:
+                    case 57:
+                        tokenValue = scanNumber();
+                        return token = 8;
+                    case 58:
+                        pos++;
+                        return token = 56;
+                    case 59:
+                        pos++;
+                        return token = 25;
+                    case 60:
+                        if (isConflictMarkerTrivia(text, pos)) {
+                            pos = scanConflictMarkerTrivia(text, pos, error);
+                            if (skipTrivia) {
+                                continue;
+                            }
+                            else {
+                                return token = 7;
                             }
                         }
-                        else {
-                            var name = node.name;
-                            if (!uniqueExports.get(name.text)) {
-                                multiMapSparseArrayAdd(exportedBindings, ts.getOriginalNodeId(node), name);
-                                uniqueExports.set(name.text, true);
-                                exportedNames = ts.append(exportedNames, name);
+                        if (text.charCodeAt(pos + 1) === 60) {
+                            if (text.charCodeAt(pos + 2) === 61) {
+                                return pos += 3, token = 65;
+                            }
+                            return pos += 2, token = 45;
+                        }
+                        if (text.charCodeAt(pos + 1) === 61) {
+                            return pos += 2, token = 30;
+                        }
+                        if (languageVariant === 1 &&
+                            text.charCodeAt(pos + 1) === 47 &&
+                            text.charCodeAt(pos + 2) !== 42) {
+                            return pos += 2, token = 28;
+                        }
+                        pos++;
+                        return token = 27;
+                    case 61:
+                        if (isConflictMarkerTrivia(text, pos)) {
+                            pos = scanConflictMarkerTrivia(text, pos, error);
+                            if (skipTrivia) {
+                                continue;
+                            }
+                            else {
+                                return token = 7;
+                            }
+                        }
+                        if (text.charCodeAt(pos + 1) === 61) {
+                            if (text.charCodeAt(pos + 2) === 61) {
+                                return pos += 3, token = 34;
+                            }
+                            return pos += 2, token = 32;
+                        }
+                        if (text.charCodeAt(pos + 1) === 62) {
+                            return pos += 2, token = 36;
+                        }
+                        pos++;
+                        return token = 58;
+                    case 62:
+                        if (isConflictMarkerTrivia(text, pos)) {
+                            pos = scanConflictMarkerTrivia(text, pos, error);
+                            if (skipTrivia) {
+                                continue;
+                            }
+                            else {
+                                return token = 7;
+                            }
+                        }
+                        pos++;
+                        return token = 29;
+                    case 63:
+                        pos++;
+                        return token = 55;
+                    case 91:
+                        pos++;
+                        return token = 21;
+                    case 93:
+                        pos++;
+                        return token = 22;
+                    case 94:
+                        if (text.charCodeAt(pos + 1) === 61) {
+                            return pos += 2, token = 70;
+                        }
+                        pos++;
+                        return token = 50;
+                    case 123:
+                        pos++;
+                        return token = 17;
+                    case 124:
+                        if (isConflictMarkerTrivia(text, pos)) {
+                            pos = scanConflictMarkerTrivia(text, pos, error);
+                            if (skipTrivia) {
+                                continue;
+                            }
+                            else {
+                                return token = 7;
                             }
                         }
+                        if (text.charCodeAt(pos + 1) === 124) {
+                            return pos += 2, token = 54;
+                        }
+                        if (text.charCodeAt(pos + 1) === 61) {
+                            return pos += 2, token = 69;
+                        }
+                        pos++;
+                        return token = 49;
+                    case 125:
+                        pos++;
+                        return token = 18;
+                    case 126:
+                        pos++;
+                        return token = 52;
+                    case 64:
+                        pos++;
+                        return token = 57;
+                    case 92:
+                        var cookedChar = peekUnicodeEscape();
+                        if (cookedChar >= 0 && isIdentifierStart(cookedChar, languageVersion)) {
+                            pos += 6;
+                            tokenValue = String.fromCharCode(cookedChar) + scanIdentifierParts();
+                            return token = getIdentifierToken();
+                        }
+                        error(ts.Diagnostics.Invalid_character);
+                        pos++;
+                        return token = 0;
+                    default:
+                        if (isIdentifierStart(ch, languageVersion)) {
+                            pos++;
+                            while (pos < end && isIdentifierPart(ch = text.charCodeAt(pos), languageVersion))
+                                pos++;
+                            tokenValue = text.substring(tokenPos, pos);
+                            if (ch === 92) {
+                                tokenValue += scanIdentifierParts();
+                            }
+                            return token = getIdentifierToken();
+                        }
+                        else if (isWhiteSpaceSingleLine(ch)) {
+                            pos++;
+                            continue;
+                        }
+                        else if (isLineBreak(ch)) {
+                            precedingLineBreak = true;
+                            pos++;
+                            continue;
+                        }
+                        error(ts.Diagnostics.Invalid_character);
+                        pos++;
+                        return token = 0;
+                }
+            }
+        }
+        function reScanGreaterToken() {
+            if (token === 29) {
+                if (text.charCodeAt(pos) === 62) {
+                    if (text.charCodeAt(pos + 1) === 62) {
+                        if (text.charCodeAt(pos + 2) === 61) {
+                            return pos += 3, token = 67;
+                        }
+                        return pos += 2, token = 47;
+                    }
+                    if (text.charCodeAt(pos + 1) === 61) {
+                        return pos += 2, token = 66;
                     }
+                    pos++;
+                    return token = 46;
+                }
+                if (text.charCodeAt(pos) === 61) {
+                    pos++;
+                    return token = 31;
+                }
+            }
+            return token;
+        }
+        function reScanSlashToken() {
+            if (token === 41 || token === 63) {
+                var p = tokenPos + 1;
+                var inEscape = false;
+                var inCharacterClass = false;
+                while (true) {
+                    if (p >= end) {
+                        tokenIsUnterminated = true;
+                        error(ts.Diagnostics.Unterminated_regular_expression_literal);
+                        break;
+                    }
+                    var ch = text.charCodeAt(p);
+                    if (isLineBreak(ch)) {
+                        tokenIsUnterminated = true;
+                        error(ts.Diagnostics.Unterminated_regular_expression_literal);
+                        break;
+                    }
+                    if (inEscape) {
+                        inEscape = false;
+                    }
+                    else if (ch === 47 && !inCharacterClass) {
+                        p++;
+                        break;
+                    }
+                    else if (ch === 91) {
+                        inCharacterClass = true;
+                    }
+                    else if (ch === 92) {
+                        inEscape = true;
+                    }
+                    else if (ch === 93) {
+                        inCharacterClass = false;
+                    }
+                    p++;
+                }
+                while (p < end && isIdentifierPart(text.charCodeAt(p), languageVersion)) {
+                    p++;
+                }
+                pos = p;
+                tokenValue = text.substring(tokenPos, pos);
+                token = 12;
+            }
+            return token;
+        }
+        function reScanTemplateToken() {
+            ts.Debug.assert(token === 18, "'reScanTemplateToken' should only be called on a '}'");
+            pos = tokenPos;
+            return token = scanTemplateAndSetTokenValue();
+        }
+        function reScanJsxToken() {
+            pos = tokenPos = startPos;
+            return token = scanJsxToken();
+        }
+        function scanJsxToken() {
+            startPos = tokenPos = pos;
+            if (pos >= end) {
+                return token = 1;
+            }
+            var char = text.charCodeAt(pos);
+            if (char === 60) {
+                if (text.charCodeAt(pos + 1) === 47) {
+                    pos += 2;
+                    return token = 28;
+                }
+                pos++;
+                return token = 27;
+            }
+            if (char === 123) {
+                pos++;
+                return token = 17;
+            }
+            var firstNonWhitespace = 0;
+            while (pos < end) {
+                char = text.charCodeAt(pos);
+                if (char === 123) {
                     break;
+                }
+                if (char === 60) {
+                    if (isConflictMarkerTrivia(text, pos)) {
+                        pos = scanConflictMarkerTrivia(text, pos, error);
+                        return token = 7;
+                    }
+                    break;
+                }
+                if (isLineBreak(char) && firstNonWhitespace === 0) {
+                    firstNonWhitespace = -1;
+                }
+                else if (!isWhiteSpaceLike(char)) {
+                    firstNonWhitespace = pos;
+                }
+                pos++;
             }
+            return firstNonWhitespace === -1 ? 11 : 10;
         }
-        var externalHelpersModuleName = getOrCreateExternalHelpersModuleNameIfNeeded(sourceFile, compilerOptions, hasExportStarsToExportValues);
-        var externalHelpersImportDeclaration = externalHelpersModuleName && ts.createImportDeclaration(undefined, undefined, ts.createImportClause(undefined, ts.createNamespaceImport(externalHelpersModuleName)), ts.createLiteral(ts.externalHelpersModuleNameText));
-        if (externalHelpersImportDeclaration) {
-            externalImports.unshift(externalHelpersImportDeclaration);
+        function scanJsxIdentifier() {
+            if (tokenIsIdentifierOrKeyword(token)) {
+                var firstCharPosition = pos;
+                while (pos < end) {
+                    var ch = text.charCodeAt(pos);
+                    if (ch === 45 || ((firstCharPosition === pos) ? isIdentifierStart(ch, languageVersion) : isIdentifierPart(ch, languageVersion))) {
+                        pos++;
+                    }
+                    else {
+                        break;
+                    }
+                }
+                tokenValue += text.substr(firstCharPosition, pos - firstCharPosition);
+            }
+            return token;
         }
-        return { externalImports: externalImports, exportSpecifiers: exportSpecifiers, exportEquals: exportEquals, hasExportStarsToExportValues: hasExportStarsToExportValues, exportedBindings: exportedBindings, exportedNames: exportedNames, externalHelpersImportDeclaration: externalHelpersImportDeclaration };
-    }
-    ts.collectExternalModuleInfo = collectExternalModuleInfo;
-    function collectExportedVariableInfo(decl, uniqueExports, exportedNames) {
-        if (ts.isBindingPattern(decl.name)) {
-            for (var _i = 0, _a = decl.name.elements; _i < _a.length; _i++) {
-                var element = _a[_i];
-                if (!ts.isOmittedExpression(element)) {
-                    exportedNames = collectExportedVariableInfo(element, uniqueExports, exportedNames);
+        function scanJsxAttributeValue() {
+            startPos = pos;
+            switch (text.charCodeAt(pos)) {
+                case 34:
+                case 39:
+                    tokenValue = scanString(false);
+                    return token = 9;
+                default:
+                    return scan();
+            }
+        }
+        function scanJSDocToken() {
+            if (pos >= end) {
+                return token = 1;
+            }
+            startPos = pos;
+            tokenPos = pos;
+            var ch = text.charCodeAt(pos);
+            switch (ch) {
+                case 9:
+                case 11:
+                case 12:
+                case 32:
+                    while (pos < end && isWhiteSpaceSingleLine(text.charCodeAt(pos))) {
+                        pos++;
+                    }
+                    return token = 5;
+                case 64:
+                    pos++;
+                    return token = 57;
+                case 10:
+                case 13:
+                    pos++;
+                    return token = 4;
+                case 42:
+                    pos++;
+                    return token = 39;
+                case 123:
+                    pos++;
+                    return token = 17;
+                case 125:
+                    pos++;
+                    return token = 18;
+                case 91:
+                    pos++;
+                    return token = 21;
+                case 93:
+                    pos++;
+                    return token = 22;
+                case 61:
+                    pos++;
+                    return token = 58;
+                case 44:
+                    pos++;
+                    return token = 26;
+                case 46:
+                    pos++;
+                    return token = 23;
+            }
+            if (isIdentifierStart(ch, 5)) {
+                pos++;
+                while (isIdentifierPart(text.charCodeAt(pos), 5) && pos < end) {
+                    pos++;
                 }
+                return token = 71;
+            }
+            else {
+                return pos += 1, token = 0;
             }
         }
-        else if (!ts.isGeneratedIdentifier(decl.name)) {
-            if (!uniqueExports.get(decl.name.text)) {
-                uniqueExports.set(decl.name.text, true);
-                exportedNames = ts.append(exportedNames, decl.name);
+        function speculationHelper(callback, isLookahead) {
+            var savePos = pos;
+            var saveStartPos = startPos;
+            var saveTokenPos = tokenPos;
+            var saveToken = token;
+            var saveTokenValue = tokenValue;
+            var savePrecedingLineBreak = precedingLineBreak;
+            var result = callback();
+            if (!result || isLookahead) {
+                pos = savePos;
+                startPos = saveStartPos;
+                tokenPos = saveTokenPos;
+                token = saveToken;
+                tokenValue = saveTokenValue;
+                precedingLineBreak = savePrecedingLineBreak;
             }
+            return result;
         }
-        return exportedNames;
-    }
-    function multiMapSparseArrayAdd(map, key, value) {
-        var values = map[key];
-        if (values) {
-            values.push(value);
+        function scanRange(start, length, callback) {
+            var saveEnd = end;
+            var savePos = pos;
+            var saveStartPos = startPos;
+            var saveTokenPos = tokenPos;
+            var saveToken = token;
+            var savePrecedingLineBreak = precedingLineBreak;
+            var saveTokenValue = tokenValue;
+            var saveHasExtendedUnicodeEscape = hasExtendedUnicodeEscape;
+            var saveTokenIsUnterminated = tokenIsUnterminated;
+            setText(text, start, length);
+            var result = callback();
+            end = saveEnd;
+            pos = savePos;
+            startPos = saveStartPos;
+            tokenPos = saveTokenPos;
+            token = saveToken;
+            precedingLineBreak = savePrecedingLineBreak;
+            tokenValue = saveTokenValue;
+            hasExtendedUnicodeEscape = saveHasExtendedUnicodeEscape;
+            tokenIsUnterminated = saveTokenIsUnterminated;
+            return result;
         }
-        else {
-            map[key] = values = [value];
+        function lookAhead(callback) {
+            return speculationHelper(callback, true);
+        }
+        function tryScan(callback) {
+            return speculationHelper(callback, false);
+        }
+        function getText() {
+            return text;
+        }
+        function setText(newText, start, length) {
+            text = newText || "";
+            end = length === undefined ? text.length : start + length;
+            setTextPos(start || 0);
+        }
+        function setOnError(errorCallback) {
+            onError = errorCallback;
+        }
+        function setScriptTarget(scriptTarget) {
+            languageVersion = scriptTarget;
+        }
+        function setLanguageVariant(variant) {
+            languageVariant = variant;
+        }
+        function setTextPos(textPos) {
+            ts.Debug.assert(textPos >= 0);
+            pos = textPos;
+            startPos = textPos;
+            tokenPos = textPos;
+            token = 0;
+            precedingLineBreak = false;
+            tokenValue = undefined;
+            hasExtendedUnicodeEscape = false;
+            tokenIsUnterminated = false;
         }
-        return values;
     }
+    ts.createScanner = createScanner;
 })(ts || (ts = {}));
 var ts;
 (function (ts) {
+    var SignatureFlags;
+    (function (SignatureFlags) {
+        SignatureFlags[SignatureFlags["None"] = 0] = "None";
+        SignatureFlags[SignatureFlags["Yield"] = 1] = "Yield";
+        SignatureFlags[SignatureFlags["Await"] = 2] = "Await";
+        SignatureFlags[SignatureFlags["Type"] = 4] = "Type";
+        SignatureFlags[SignatureFlags["RequireCompleteParameterList"] = 8] = "RequireCompleteParameterList";
+        SignatureFlags[SignatureFlags["IgnoreMissingOpenBrace"] = 16] = "IgnoreMissingOpenBrace";
+        SignatureFlags[SignatureFlags["JSDoc"] = 32] = "JSDoc";
+    })(SignatureFlags || (SignatureFlags = {}));
     var NodeConstructor;
     var TokenConstructor;
     var IdentifierConstructor;
@@ -16291,17 +10598,13 @@ var ts;
     }
     ts.createNode = createNode;
     function visitNode(cbNode, node) {
-        if (node) {
-            return cbNode(node);
-        }
+        return node && cbNode(node);
     }
-    function visitNodeArray(cbNodes, nodes) {
-        if (nodes) {
-            return cbNodes(nodes);
-        }
-    }
-    function visitEachNode(cbNode, nodes) {
+    function visitNodes(cbNode, cbNodes, nodes) {
         if (nodes) {
+            if (cbNodes) {
+                return cbNodes(nodes);
+            }
             for (var _i = 0, nodes_1 = nodes; _i < nodes_1.length; _i++) {
                 var node = nodes_1[_i];
                 var result = cbNode(node);
@@ -16311,12 +10614,10 @@ var ts;
             }
         }
     }
-    function forEachChild(node, cbNode, cbNodeArray) {
-        if (!node) {
+    function forEachChild(node, cbNode, cbNodes) {
+        if (!node || node.kind <= 142) {
             return;
         }
-        var visitNodes = cbNodeArray ? visitNodeArray : visitEachNode;
-        var cbNodes = cbNodeArray || cbNode;
         switch (node.kind) {
             case 143:
                 return visitNode(cbNode, node.left) ||
@@ -16327,8 +10628,8 @@ var ts;
                     visitNode(cbNode, node.default) ||
                     visitNode(cbNode, node.expression);
             case 262:
-                return visitNodes(cbNodes, node.decorators) ||
-                    visitNodes(cbNodes, node.modifiers) ||
+                return visitNodes(cbNode, cbNodes, node.decorators) ||
+                    visitNodes(cbNode, cbNodes, node.modifiers) ||
                     visitNode(cbNode, node.name) ||
                     visitNode(cbNode, node.questionToken) ||
                     visitNode(cbNode, node.equalsToken) ||
@@ -16341,8 +10642,8 @@ var ts;
             case 261:
             case 226:
             case 176:
-                return visitNodes(cbNodes, node.decorators) ||
-                    visitNodes(cbNodes, node.modifiers) ||
+                return visitNodes(cbNode, cbNodes, node.decorators) ||
+                    visitNodes(cbNode, cbNodes, node.modifiers) ||
                     visitNode(cbNode, node.propertyName) ||
                     visitNode(cbNode, node.dotDotDotToken) ||
                     visitNode(cbNode, node.name) ||
@@ -16354,10 +10655,10 @@ var ts;
             case 155:
             case 156:
             case 157:
-                return visitNodes(cbNodes, node.decorators) ||
-                    visitNodes(cbNodes, node.modifiers) ||
-                    visitNodes(cbNodes, node.typeParameters) ||
-                    visitNodes(cbNodes, node.parameters) ||
+                return visitNodes(cbNode, cbNodes, node.decorators) ||
+                    visitNodes(cbNode, cbNodes, node.modifiers) ||
+                    visitNodes(cbNode, cbNodes, node.typeParameters) ||
+                    visitNodes(cbNode, cbNodes, node.parameters) ||
                     visitNode(cbNode, node.type);
             case 151:
             case 150:
@@ -16367,33 +10668,33 @@ var ts;
             case 186:
             case 228:
             case 187:
-                return visitNodes(cbNodes, node.decorators) ||
-                    visitNodes(cbNodes, node.modifiers) ||
+                return visitNodes(cbNode, cbNodes, node.decorators) ||
+                    visitNodes(cbNode, cbNodes, node.modifiers) ||
                     visitNode(cbNode, node.asteriskToken) ||
                     visitNode(cbNode, node.name) ||
                     visitNode(cbNode, node.questionToken) ||
-                    visitNodes(cbNodes, node.typeParameters) ||
-                    visitNodes(cbNodes, node.parameters) ||
+                    visitNodes(cbNode, cbNodes, node.typeParameters) ||
+                    visitNodes(cbNode, cbNodes, node.parameters) ||
                     visitNode(cbNode, node.type) ||
                     visitNode(cbNode, node.equalsGreaterThanToken) ||
                     visitNode(cbNode, node.body);
             case 159:
                 return visitNode(cbNode, node.typeName) ||
-                    visitNodes(cbNodes, node.typeArguments);
+                    visitNodes(cbNode, cbNodes, node.typeArguments);
             case 158:
                 return visitNode(cbNode, node.parameterName) ||
                     visitNode(cbNode, node.type);
             case 162:
                 return visitNode(cbNode, node.exprName);
             case 163:
-                return visitNodes(cbNodes, node.members);
+                return visitNodes(cbNode, cbNodes, node.members);
             case 164:
                 return visitNode(cbNode, node.elementType);
             case 165:
-                return visitNodes(cbNodes, node.elementTypes);
+                return visitNodes(cbNode, cbNodes, node.elementTypes);
             case 166:
             case 167:
-                return visitNodes(cbNodes, node.types);
+                return visitNodes(cbNode, cbNodes, node.types);
             case 168:
             case 170:
                 return visitNode(cbNode, node.type);
@@ -16409,11 +10710,11 @@ var ts;
                 return visitNode(cbNode, node.literal);
             case 174:
             case 175:
-                return visitNodes(cbNodes, node.elements);
+                return visitNodes(cbNode, cbNodes, node.elements);
             case 177:
-                return visitNodes(cbNodes, node.elements);
+                return visitNodes(cbNode, cbNodes, node.elements);
             case 178:
-                return visitNodes(cbNodes, node.properties);
+                return visitNodes(cbNode, cbNodes, node.properties);
             case 179:
                 return visitNode(cbNode, node.expression) ||
                     visitNode(cbNode, node.name);
@@ -16423,8 +10724,8 @@ var ts;
             case 181:
             case 182:
                 return visitNode(cbNode, node.expression) ||
-                    visitNodes(cbNodes, node.typeArguments) ||
-                    visitNodes(cbNodes, node.arguments);
+                    visitNodes(cbNode, cbNodes, node.typeArguments) ||
+                    visitNodes(cbNode, cbNodes, node.arguments);
             case 183:
                 return visitNode(cbNode, node.tag) ||
                     visitNode(cbNode, node.template);
@@ -16469,16 +10770,16 @@ var ts;
                 return visitNode(cbNode, node.expression);
             case 207:
             case 234:
-                return visitNodes(cbNodes, node.statements);
+                return visitNodes(cbNode, cbNodes, node.statements);
             case 265:
-                return visitNodes(cbNodes, node.statements) ||
+                return visitNodes(cbNode, cbNodes, node.statements) ||
                     visitNode(cbNode, node.endOfFileToken);
             case 208:
-                return visitNodes(cbNodes, node.decorators) ||
-                    visitNodes(cbNodes, node.modifiers) ||
+                return visitNodes(cbNode, cbNodes, node.decorators) ||
+                    visitNodes(cbNode, cbNodes, node.modifiers) ||
                     visitNode(cbNode, node.declarationList);
             case 227:
-                return visitNodes(cbNodes, node.declarations);
+                return visitNodes(cbNode, cbNodes, node.declarations);
             case 210:
                 return visitNode(cbNode, node.expression);
             case 211:
@@ -16517,12 +10818,12 @@ var ts;
                 return visitNode(cbNode, node.expression) ||
                     visitNode(cbNode, node.caseBlock);
             case 235:
-                return visitNodes(cbNodes, node.clauses);
+                return visitNodes(cbNode, cbNodes, node.clauses);
             case 257:
                 return visitNode(cbNode, node.expression) ||
-                    visitNodes(cbNodes, node.statements);
+                    visitNodes(cbNode, cbNodes, node.statements);
             case 258:
-                return visitNodes(cbNodes, node.statements);
+                return visitNodes(cbNode, cbNodes, node.statements);
             case 222:
                 return visitNode(cbNode, node.label) ||
                     visitNode(cbNode, node.statement);
@@ -16539,46 +10840,46 @@ var ts;
                 return visitNode(cbNode, node.expression);
             case 229:
             case 199:
-                return visitNodes(cbNodes, node.decorators) ||
-                    visitNodes(cbNodes, node.modifiers) ||
+                return visitNodes(cbNode, cbNodes, node.decorators) ||
+                    visitNodes(cbNode, cbNodes, node.modifiers) ||
                     visitNode(cbNode, node.name) ||
-                    visitNodes(cbNodes, node.typeParameters) ||
-                    visitNodes(cbNodes, node.heritageClauses) ||
-                    visitNodes(cbNodes, node.members);
+                    visitNodes(cbNode, cbNodes, node.typeParameters) ||
+                    visitNodes(cbNode, cbNodes, node.heritageClauses) ||
+                    visitNodes(cbNode, cbNodes, node.members);
             case 230:
-                return visitNodes(cbNodes, node.decorators) ||
-                    visitNodes(cbNodes, node.modifiers) ||
+                return visitNodes(cbNode, cbNodes, node.decorators) ||
+                    visitNodes(cbNode, cbNodes, node.modifiers) ||
                     visitNode(cbNode, node.name) ||
-                    visitNodes(cbNodes, node.typeParameters) ||
-                    visitNodes(cbNodes, node.heritageClauses) ||
-                    visitNodes(cbNodes, node.members);
+                    visitNodes(cbNode, cbNodes, node.typeParameters) ||
+                    visitNodes(cbNode, cbNodes, node.heritageClauses) ||
+                    visitNodes(cbNode, cbNodes, node.members);
             case 231:
-                return visitNodes(cbNodes, node.decorators) ||
-                    visitNodes(cbNodes, node.modifiers) ||
+                return visitNodes(cbNode, cbNodes, node.decorators) ||
+                    visitNodes(cbNode, cbNodes, node.modifiers) ||
                     visitNode(cbNode, node.name) ||
-                    visitNodes(cbNodes, node.typeParameters) ||
+                    visitNodes(cbNode, cbNodes, node.typeParameters) ||
                     visitNode(cbNode, node.type);
             case 232:
-                return visitNodes(cbNodes, node.decorators) ||
-                    visitNodes(cbNodes, node.modifiers) ||
+                return visitNodes(cbNode, cbNodes, node.decorators) ||
+                    visitNodes(cbNode, cbNodes, node.modifiers) ||
                     visitNode(cbNode, node.name) ||
-                    visitNodes(cbNodes, node.members);
+                    visitNodes(cbNode, cbNodes, node.members);
             case 264:
                 return visitNode(cbNode, node.name) ||
                     visitNode(cbNode, node.initializer);
             case 233:
-                return visitNodes(cbNodes, node.decorators) ||
-                    visitNodes(cbNodes, node.modifiers) ||
+                return visitNodes(cbNode, cbNodes, node.decorators) ||
+                    visitNodes(cbNode, cbNodes, node.modifiers) ||
                     visitNode(cbNode, node.name) ||
                     visitNode(cbNode, node.body);
             case 237:
-                return visitNodes(cbNodes, node.decorators) ||
-                    visitNodes(cbNodes, node.modifiers) ||
+                return visitNodes(cbNode, cbNodes, node.decorators) ||
+                    visitNodes(cbNode, cbNodes, node.modifiers) ||
                     visitNode(cbNode, node.name) ||
                     visitNode(cbNode, node.moduleReference);
             case 238:
-                return visitNodes(cbNodes, node.decorators) ||
-                    visitNodes(cbNodes, node.modifiers) ||
+                return visitNodes(cbNode, cbNodes, node.decorators) ||
+                    visitNodes(cbNode, cbNodes, node.modifiers) ||
                     visitNode(cbNode, node.importClause) ||
                     visitNode(cbNode, node.moduleSpecifier);
             case 239:
@@ -16590,10 +10891,10 @@ var ts;
                 return visitNode(cbNode, node.name);
             case 241:
             case 245:
-                return visitNodes(cbNodes, node.elements);
+                return visitNodes(cbNode, cbNodes, node.elements);
             case 244:
-                return visitNodes(cbNodes, node.decorators) ||
-                    visitNodes(cbNodes, node.modifiers) ||
+                return visitNodes(cbNode, cbNodes, node.decorators) ||
+                    visitNodes(cbNode, cbNodes, node.modifiers) ||
                     visitNode(cbNode, node.exportClause) ||
                     visitNode(cbNode, node.moduleSpecifier);
             case 242:
@@ -16601,36 +10902,36 @@ var ts;
                 return visitNode(cbNode, node.propertyName) ||
                     visitNode(cbNode, node.name);
             case 243:
-                return visitNodes(cbNodes, node.decorators) ||
-                    visitNodes(cbNodes, node.modifiers) ||
+                return visitNodes(cbNode, cbNodes, node.decorators) ||
+                    visitNodes(cbNode, cbNodes, node.modifiers) ||
                     visitNode(cbNode, node.expression);
             case 196:
-                return visitNode(cbNode, node.head) || visitNodes(cbNodes, node.templateSpans);
+                return visitNode(cbNode, node.head) || visitNodes(cbNode, cbNodes, node.templateSpans);
             case 205:
                 return visitNode(cbNode, node.expression) || visitNode(cbNode, node.literal);
             case 144:
                 return visitNode(cbNode, node.expression);
             case 259:
-                return visitNodes(cbNodes, node.types);
+                return visitNodes(cbNode, cbNodes, node.types);
             case 201:
                 return visitNode(cbNode, node.expression) ||
-                    visitNodes(cbNodes, node.typeArguments);
+                    visitNodes(cbNode, cbNodes, node.typeArguments);
             case 248:
                 return visitNode(cbNode, node.expression);
             case 247:
-                return visitNodes(cbNodes, node.decorators);
-            case 298:
-                return visitNodes(cbNodes, node.elements);
+                return visitNodes(cbNode, cbNodes, node.decorators);
+            case 289:
+                return visitNodes(cbNode, cbNodes, node.elements);
             case 249:
                 return visitNode(cbNode, node.openingElement) ||
-                    visitNodes(cbNodes, node.children) ||
+                    visitNodes(cbNode, cbNodes, node.children) ||
                     visitNode(cbNode, node.closingElement);
             case 250:
             case 251:
                 return visitNode(cbNode, node.tagName) ||
                     visitNode(cbNode, node.attributes);
             case 254:
-                return visitNodes(cbNodes, node.properties);
+                return visitNodes(cbNode, cbNodes, node.properties);
             case 253:
                 return visitNode(cbNode, node.name) ||
                     visitNode(cbNode, node.initializer);
@@ -16644,62 +10945,56 @@ var ts;
             case 267:
                 return visitNode(cbNode, node.type);
             case 271:
-                return visitNodes(cbNodes, node.types);
-            case 272:
-                return visitNodes(cbNodes, node.types);
+                return visitNode(cbNode, node.type);
             case 270:
-                return visitNode(cbNode, node.elementType);
-            case 274:
+                return visitNode(cbNode, node.type);
+            case 272:
                 return visitNode(cbNode, node.type);
             case 273:
+                return visitNodes(cbNode, cbNodes, node.parameters) ||
+                    visitNode(cbNode, node.type);
+            case 274:
                 return visitNode(cbNode, node.type);
             case 275:
-                return visitNode(cbNode, node.literal);
-            case 277:
-                return visitNode(cbNode, node.name) ||
-                    visitNodes(cbNodes, node.typeArguments);
-            case 278:
-                return visitNode(cbNode, node.type);
+                return visitNodes(cbNode, cbNodes, node.tags);
             case 279:
-                return visitNodes(cbNodes, node.parameters) ||
-                    visitNode(cbNode, node.type);
+            case 284:
+                if (node.isNameFirst) {
+                    return visitNode(cbNode, node.name) ||
+                        visitNode(cbNode, node.typeExpression);
+                }
+                else {
+                    return visitNode(cbNode, node.typeExpression) ||
+                        visitNode(cbNode, node.name);
+                }
             case 280:
-                return visitNode(cbNode, node.type);
+                return visitNode(cbNode, node.typeExpression);
             case 281:
-                return visitNode(cbNode, node.type);
-            case 282:
-                return visitNode(cbNode, node.type);
-            case 276:
-                return visitNode(cbNode, node.name) ||
-                    visitNode(cbNode, node.type);
-            case 283:
-                return visitNodes(cbNodes, node.tags);
-            case 287:
-                return visitNode(cbNode, node.preParameterName) ||
-                    visitNode(cbNode, node.typeExpression) ||
-                    visitNode(cbNode, node.postParameterName);
-            case 288:
                 return visitNode(cbNode, node.typeExpression);
-            case 289:
+            case 277:
                 return visitNode(cbNode, node.typeExpression);
+            case 282:
+                return visitNodes(cbNode, cbNodes, node.typeParameters);
+            case 283:
+                if (node.typeExpression &&
+                    node.typeExpression.kind === 267) {
+                    return visitNode(cbNode, node.typeExpression) ||
+                        visitNode(cbNode, node.fullName);
+                }
+                else {
+                    return visitNode(cbNode, node.fullName) ||
+                        visitNode(cbNode, node.typeExpression);
+                }
             case 285:
-                return visitNode(cbNode, node.typeExpression);
-            case 290:
-                return visitNodes(cbNodes, node.typeParameters);
-            case 291:
-                return visitNode(cbNode, node.typeExpression) ||
-                    visitNode(cbNode, node.fullName) ||
-                    visitNode(cbNode, node.name) ||
-                    visitNode(cbNode, node.jsDocTypeLiteral);
-            case 293:
-                return visitNodes(cbNodes, node.jsDocPropertyTags);
-            case 292:
-                return visitNode(cbNode, node.typeExpression) ||
-                    visitNode(cbNode, node.name);
-            case 297:
+                if (node.jsDocPropertyTags) {
+                    for (var _i = 0, _a = node.jsDocPropertyTags; _i < _a.length; _i++) {
+                        var tag = _a[_i];
+                        visitNode(cbNode, tag);
+                    }
+                }
+                return;
+            case 288:
                 return visitNode(cbNode, node.expression);
-            case 294:
-                return visitNode(cbNode, node.literal);
         }
     }
     ts.forEachChild = forEachChild;
@@ -16716,6 +11011,10 @@ var ts;
         return Parser.parseIsolatedEntityName(text, languageVersion);
     }
     ts.parseIsolatedEntityName = parseIsolatedEntityName;
+    function parseJsonText(fileName, sourceText) {
+        return Parser.parseJsonText(fileName, sourceText);
+    }
+    ts.parseJsonText = parseJsonText;
     function isExternalModule(file) {
         return file.externalModuleIndicator !== undefined;
     }
@@ -16774,8 +11073,29 @@ var ts;
             return isInvalid ? entityName : undefined;
         }
         Parser.parseIsolatedEntityName = parseIsolatedEntityName;
+        function parseJsonText(fileName, sourceText) {
+            initializeState(sourceText, 2, undefined, 6);
+            sourceFile = createSourceFile(fileName, 2, 6);
+            var result = sourceFile;
+            nextToken();
+            if (token() === 1) {
+                sourceFile.endOfFileToken = parseTokenNode();
+            }
+            else if (token() === 17 ||
+                lookAhead(function () { return token() === 9; })) {
+                result.jsonObject = parseObjectLiteralExpression();
+                sourceFile.endOfFileToken = parseExpectedToken(1, false, ts.Diagnostics.Unexpected_token);
+            }
+            else {
+                parseExpected(17);
+            }
+            sourceFile.parseDiagnostics = parseDiagnostics;
+            clearState();
+            return result;
+        }
+        Parser.parseJsonText = parseJsonText;
         function getLanguageVariant(scriptKind) {
-            return scriptKind === 4 || scriptKind === 2 || scriptKind === 1 ? 1 : 0;
+            return scriptKind === 4 || scriptKind === 2 || scriptKind === 1 || scriptKind === 6 ? 1 : 0;
         }
         function initializeState(_sourceText, languageVersion, _syntaxCursor, scriptKind) {
             NodeConstructor = ts.objectAllocator.getNodeConstructor();
@@ -16789,7 +11109,7 @@ var ts;
             identifiers = ts.createMap();
             identifierCount = 0;
             nodeCount = 0;
-            contextFlags = scriptKind === 1 || scriptKind === 2 ? 65536 : 0;
+            contextFlags = scriptKind === 1 || scriptKind === 2 || scriptKind === 6 ? 65536 : 0;
             parseErrorBeforeNextFinishedNode = false;
             scanner.setText(sourceText);
             scanner.setOnError(scanError);
@@ -17123,11 +11443,15 @@ var ts;
                 parseErrorAtCurrentToken(diagnosticMessage, arg0);
             }
             var result = createNode(kind, scanner.getStartPos());
-            result.text = "";
+            if (kind === 71) {
+                result.escapedText = "";
+            }
+            else if (ts.isLiteralKind(kind) || ts.isTemplateLiteralKind(kind)) {
+                result.text = "";
+            }
             return finishNode(result);
         }
         function internIdentifier(text) {
-            text = ts.escapeIdentifier(text);
             var identifier = identifiers.get(text);
             if (identifier === undefined) {
                 identifiers.set(text, identifier = text);
@@ -17141,7 +11465,7 @@ var ts;
                 if (token() !== 71) {
                     node.originalKeywordKind = token();
                 }
-                node.text = internIdentifier(scanner.getTokenValue());
+                node.escapedText = ts.escapeLeadingUnderscores(internIdentifier(scanner.getTokenValue()));
                 nextToken();
                 return finishNode(node);
             }
@@ -17160,7 +11484,9 @@ var ts;
         }
         function parsePropertyNameWorker(allowComputedPropertyNames) {
             if (token() === 9 || token() === 8) {
-                return parseLiteralNode(true);
+                var node = parseLiteralNode();
+                node.text = internIdentifier(node.text);
+                return node;
             }
             if (allowComputedPropertyNames && token() === 21) {
                 return parseComputedPropertyName();
@@ -17170,12 +11496,6 @@ var ts;
         function parsePropertyName() {
             return parsePropertyNameWorker(true);
         }
-        function parseSimplePropertyName() {
-            return parsePropertyNameWorker(false);
-        }
-        function isSimplePropertyName() {
-            return token() === 9 || token() === 8 || ts.tokenIsIdentifierOrKeyword(token());
-        }
         function parseComputedPropertyName() {
             var node = createNode(144);
             parseExpected(21);
@@ -17286,12 +11606,6 @@ var ts;
                     return ts.tokenIsIdentifierOrKeyword(token()) || token() === 17;
                 case 14:
                     return true;
-                case 23:
-                case 24:
-                case 26:
-                    return JSDocParser.isJSDocType();
-                case 25:
-                    return isSimplePropertyName();
             }
             ts.Debug.fail("Non-exhaustive case in 'isListElement'.");
         }
@@ -17361,14 +11675,6 @@ var ts;
                     return token() === 29 || token() === 41;
                 case 14:
                     return token() === 27 && lookAhead(nextTokenIsSlash);
-                case 23:
-                    return token() === 20 || token() === 56 || token() === 18;
-                case 24:
-                    return token() === 29 || token() === 18;
-                case 26:
-                    return token() === 22 || token() === 18;
-                case 25:
-                    return token() === 18;
             }
         }
         function isVariableDeclaratorListTerminator() {
@@ -17384,7 +11690,7 @@ var ts;
             return false;
         }
         function isInSomeParsingContext() {
-            for (var kind = 0; kind < 27; kind++) {
+            for (var kind = 0; kind < 23; kind++) {
                 if (parsingContext & (1 << kind)) {
                     if (isListElement(kind, true) || isListTerminator(kind)) {
                         return true;
@@ -17610,10 +11916,6 @@ var ts;
                 case 22: return ts.Diagnostics.Identifier_expected;
                 case 13: return ts.Diagnostics.Identifier_expected;
                 case 14: return ts.Diagnostics.Identifier_expected;
-                case 23: return ts.Diagnostics.Parameter_declaration_expected;
-                case 24: return ts.Diagnostics.Type_argument_expected;
-                case 26: return ts.Diagnostics.Type_expected;
-                case 25: return ts.Diagnostics.Property_assignment_expected;
             }
         }
         function parseDelimitedList(kind, parseElement, considerSemicolonAsDelimiter) {
@@ -17623,6 +11925,7 @@ var ts;
             var commaStart = -1;
             while (true) {
                 if (isListElement(kind, false)) {
+                    var startPos = scanner.getStartPos();
                     result.push(parseListElement(kind, parseElement));
                     commaStart = scanner.getTokenPos();
                     if (parseOptional(26)) {
@@ -17636,6 +11939,9 @@ var ts;
                     if (considerSemicolonAsDelimiter && token() === 25 && !scanner.hasPrecedingLineBreak()) {
                         nextToken();
                     }
+                    if (startPos === scanner.getStartPos()) {
+                        nextToken();
+                    }
                     continue;
                 }
                 if (isListTerminator(kind)) {
@@ -17664,15 +11970,24 @@ var ts;
             return createMissingList();
         }
         function parseEntityName(allowReservedWords, diagnosticMessage) {
-            var entity = parseIdentifier(diagnosticMessage);
+            var entity = allowReservedWords ? parseIdentifierName() : parseIdentifier(diagnosticMessage);
+            var dotPos = scanner.getStartPos();
             while (parseOptional(23)) {
-                var node = createNode(143, entity.pos);
-                node.left = entity;
-                node.right = parseRightSideOfDot(allowReservedWords);
-                entity = finishNode(node);
+                if (token() === 27) {
+                    entity.jsdocDotPos = dotPos;
+                    break;
+                }
+                dotPos = scanner.getStartPos();
+                entity = createQualifiedName(entity, parseRightSideOfDot(allowReservedWords));
             }
             return entity;
         }
+        function createQualifiedName(entity, name) {
+            var node = createNode(143, entity.pos);
+            node.left = entity;
+            node.right = name;
+            return finishNode(node);
+        }
         function parseRightSideOfDot(allowIdentifierNames) {
             if (scanner.hasPrecedingLineBreak() && ts.tokenIsIdentifierOrKeyword(token())) {
                 var matchesPattern = lookAhead(nextTokenIsIdentifierOrKeywordOnSameLine);
@@ -17708,23 +12023,23 @@ var ts;
             span.literal = literal;
             return finishNode(span);
         }
-        function parseLiteralNode(internName) {
-            return parseLiteralLikeNode(token(), internName);
+        function parseLiteralNode() {
+            return parseLiteralLikeNode(token());
         }
         function parseTemplateHead() {
-            var fragment = parseLiteralLikeNode(token(), false);
+            var fragment = parseLiteralLikeNode(token());
             ts.Debug.assert(fragment.kind === 14, "Template head has wrong token kind");
             return fragment;
         }
         function parseTemplateMiddleOrTemplateTail() {
-            var fragment = parseLiteralLikeNode(token(), false);
+            var fragment = parseLiteralLikeNode(token());
             ts.Debug.assert(fragment.kind === 15 || fragment.kind === 16, "Template fragment has wrong token kind");
             return fragment;
         }
-        function parseLiteralLikeNode(kind, internName) {
+        function parseLiteralLikeNode(kind) {
             var node = createNode(kind);
             var text = scanner.getTokenValue();
-            node.text = internName ? internIdentifier(text) : text;
+            node.text = text;
             if (scanner.hasExtendedUnicodeEscape()) {
                 node.hasExtendedUnicodeEscape = true;
             }
@@ -17740,7 +12055,7 @@ var ts;
         }
         function parseTypeReference() {
             var node = createNode(159);
-            node.typeName = parseEntityName(false, ts.Diagnostics.Type_expected);
+            node.typeName = parseEntityName(!!(contextFlags & 1048576), ts.Diagnostics.Type_expected);
             if (!scanner.hasPrecedingLineBreak() && token() === 27) {
                 node.typeArguments = parseBracketedList(19, parseType, 27, 29);
             }
@@ -17758,6 +12073,55 @@ var ts;
             nextToken();
             return finishNode(node);
         }
+        function parseJSDocAllType() {
+            var result = createNode(268);
+            nextToken();
+            return finishNode(result);
+        }
+        function parseJSDocUnknownOrNullableType() {
+            var pos = scanner.getStartPos();
+            nextToken();
+            if (token() === 26 ||
+                token() === 18 ||
+                token() === 20 ||
+                token() === 29 ||
+                token() === 58 ||
+                token() === 49) {
+                var result = createNode(269, pos);
+                return finishNode(result);
+            }
+            else {
+                var result = createNode(270, pos);
+                result.type = parseType();
+                return finishNode(result);
+            }
+        }
+        function parseJSDocFunctionType() {
+            if (lookAhead(nextTokenIsOpenParen)) {
+                var result = createNode(273);
+                nextToken();
+                fillSignature(56, 4 | 32, result);
+                return finishNode(result);
+            }
+            var node = createNode(159);
+            node.typeName = parseIdentifierName();
+            return finishNode(node);
+        }
+        function parseJSDocParameter() {
+            var parameter = createNode(146);
+            if (token() === 99 || token() === 94) {
+                parameter.name = parseIdentifierName();
+                parseExpected(56);
+            }
+            parameter.type = parseType();
+            return finishNode(parameter);
+        }
+        function parseJSDocNodeWithType(kind) {
+            var result = createNode(kind);
+            nextToken();
+            result.type = parseType();
+            return finishNode(result);
+        }
         function parseTypeQuery() {
             var node = createNode(162);
             parseExpected(103);
@@ -17792,9 +12156,13 @@ var ts;
             return undefined;
         }
         function isStartOfParameter() {
-            return token() === 24 || isIdentifierOrPattern() || ts.isModifierKind(token()) || token() === 57 || token() === 99;
+            return token() === 24 ||
+                isIdentifierOrPattern() ||
+                ts.isModifierKind(token()) ||
+                token() === 57 ||
+                isStartOfType(true);
         }
-        function parseParameter() {
+        function parseParameter(requireEqualsToken) {
             var node = createNode(146);
             if (token() === 99) {
                 node.name = createIdentifier(true);
@@ -17810,19 +12178,15 @@ var ts;
             }
             node.questionToken = parseOptionalToken(55);
             node.type = parseParameterType();
-            node.initializer = parseBindingElementInitializer(true);
+            node.initializer = parseInitializer(true, requireEqualsToken);
             return addJSDocComment(finishNode(node));
         }
-        function parseBindingElementInitializer(inParameter) {
-            return inParameter ? parseParameterInitializer() : parseNonParameterInitializer();
-        }
-        function parseParameterInitializer() {
-            return parseInitializer(true);
-        }
-        function fillSignature(returnToken, yieldContext, awaitContext, requireCompleteParameterList, signature) {
+        function fillSignature(returnToken, flags, signature) {
+            if (!(flags & 32)) {
+                signature.typeParameters = parseTypeParameters();
+            }
+            signature.parameters = parseParameterList(flags);
             var returnTokenRequired = returnToken === 36;
-            signature.typeParameters = parseTypeParameters();
-            signature.parameters = parseParameterList(yieldContext, awaitContext, requireCompleteParameterList);
             if (returnTokenRequired) {
                 parseExpected(returnToken);
                 signature.type = parseTypeOrTypePredicate();
@@ -17830,22 +12194,31 @@ var ts;
             else if (parseOptional(returnToken)) {
                 signature.type = parseTypeOrTypePredicate();
             }
+            else if (flags & 4) {
+                var start = scanner.getTokenPos();
+                var length_1 = scanner.getTextPos() - start;
+                var backwardToken = parseOptional(returnToken === 56 ? 36 : 56);
+                if (backwardToken) {
+                    signature.type = parseTypeOrTypePredicate();
+                    parseErrorAtPosition(start, length_1, ts.Diagnostics._0_expected, ts.tokenToString(returnToken));
+                }
+            }
         }
-        function parseParameterList(yieldContext, awaitContext, requireCompleteParameterList) {
+        function parseParameterList(flags) {
             if (parseExpected(19)) {
                 var savedYieldContext = inYieldContext();
                 var savedAwaitContext = inAwaitContext();
-                setYieldContext(yieldContext);
-                setAwaitContext(awaitContext);
-                var result = parseDelimitedList(16, parseParameter);
+                setYieldContext(!!(flags & 1));
+                setAwaitContext(!!(flags & 2));
+                var result = parseDelimitedList(16, flags & 32 ? parseJSDocParameter : function () { return parseParameter(!!(flags & 8)); });
                 setYieldContext(savedYieldContext);
                 setAwaitContext(savedAwaitContext);
-                if (!parseExpected(20) && requireCompleteParameterList) {
+                if (!parseExpected(20) && (flags & 8)) {
                     return undefined;
                 }
                 return result;
             }
-            return requireCompleteParameterList ? undefined : createMissingList();
+            return (flags & 8) ? undefined : createMissingList();
         }
         function parseTypeMemberSemicolon() {
             if (parseOptional(26)) {
@@ -17858,7 +12231,7 @@ var ts;
             if (kind === 156) {
                 parseExpected(94);
             }
-            fillSignature(56, false, false, false, node);
+            fillSignature(56, 4, node);
             parseTypeMemberSemicolon();
             return addJSDocComment(finishNode(node));
         }
@@ -17911,7 +12284,7 @@ var ts;
                 method.modifiers = modifiers;
                 method.name = name;
                 method.questionToken = questionToken;
-                fillSignature(56, false, false, false, method);
+                fillSignature(56, 4, method);
                 parseTypeMemberSemicolon();
                 return addJSDocComment(finishNode(method));
             }
@@ -18032,18 +12405,38 @@ var ts;
             if (kind === 161) {
                 parseExpected(94);
             }
-            fillSignature(36, false, false, false, node);
+            fillSignature(36, 4, node);
             return finishNode(node);
         }
         function parseKeywordAndNoDot() {
             var node = parseTokenNode();
             return token() === 23 ? undefined : node;
         }
-        function parseLiteralTypeNode() {
+        function parseLiteralTypeNode(negative) {
             var node = createNode(173);
-            node.literal = parseSimpleUnaryExpression();
-            finishNode(node);
-            return node;
+            var unaryMinusExpression;
+            if (negative) {
+                unaryMinusExpression = createNode(192);
+                unaryMinusExpression.operator = 38;
+                nextToken();
+            }
+            var expression;
+            switch (token()) {
+                case 9:
+                case 8:
+                    expression = parseLiteralLikeNode(token());
+                    break;
+                case 101:
+                case 86:
+                    expression = parseTokenNode();
+            }
+            if (negative) {
+                unaryMinusExpression.operand = expression;
+                finishNode(unaryMinusExpression);
+                expression = unaryMinusExpression;
+            }
+            node.literal = expression;
+            return finishNode(node);
         }
         function nextTokenIsNumericLiteral() {
             return nextToken() === 8;
@@ -18058,15 +12451,24 @@ var ts;
                 case 139:
                 case 130:
                 case 134:
-                    var node = tryParse(parseKeywordAndNoDot);
-                    return node || parseTypeReference();
+                    return tryParse(parseKeywordAndNoDot) || parseTypeReference();
+                case 39:
+                    return parseJSDocAllType();
+                case 55:
+                    return parseJSDocUnknownOrNullableType();
+                case 89:
+                    return parseJSDocFunctionType();
+                case 24:
+                    return parseJSDocNodeWithType(274);
+                case 51:
+                    return parseJSDocNodeWithType(271);
                 case 9:
                 case 8:
                 case 101:
                 case 86:
                     return parseLiteralTypeNode();
                 case 38:
-                    return lookAhead(nextTokenIsNumericLiteral) ? parseLiteralTypeNode() : parseTypeReference();
+                    return lookAhead(nextTokenIsNumericLiteral) ? parseLiteralTypeNode(true) : parseTypeReference();
                 case 105:
                 case 95:
                     return parseTokenNode();
@@ -18091,7 +12493,7 @@ var ts;
                     return parseTypeReference();
             }
         }
-        function isStartOfType() {
+        function isStartOfType(inStartOfParameter) {
             switch (token()) {
                 case 119:
                 case 136:
@@ -18115,11 +12517,12 @@ var ts;
                 case 101:
                 case 86:
                 case 134:
+                case 39:
                     return true;
                 case 38:
-                    return lookAhead(nextTokenIsNumericLiteral);
+                    return !inStartOfParameter && lookAhead(nextTokenIsNumericLiteral);
                 case 19:
-                    return lookAhead(isStartOfParenthesizedOrFunctionType);
+                    return !inStartOfParameter && lookAhead(isStartOfParenthesizedOrFunctionType);
                 default:
                     return isIdentifier();
             }
@@ -18128,8 +12531,28 @@ var ts;
             nextToken();
             return token() === 20 || isStartOfParameter() || isStartOfType();
         }
-        function parseArrayTypeOrHigher() {
+        function parseJSDocPostfixTypeOrHigher() {
             var type = parseNonArrayType();
+            var kind = getKind(token());
+            if (!kind)
+                return type;
+            nextToken();
+            var postfix = createNode(kind, type.pos);
+            postfix.type = type;
+            return finishNode(postfix);
+            function getKind(tokenKind) {
+                switch (tokenKind) {
+                    case 58:
+                        return contextFlags & 1048576 ? 272 : undefined;
+                    case 51:
+                        return 271;
+                    case 55:
+                        return 270;
+                }
+            }
+        }
+        function parseArrayTypeOrHigher() {
+            var type = parseJSDocPostfixTypeOrHigher();
             while (!scanner.hasPrecedingLineBreak() && parseOptional(21)) {
                 if (isStartOfType()) {
                     var node = createNode(171, type.pos);
@@ -18331,11 +12754,16 @@ var ts;
             }
             return expr;
         }
-        function parseInitializer(inParameter) {
+        function parseInitializer(inParameter, requireEqualsToken) {
             if (token() !== 58) {
                 if (scanner.hasPrecedingLineBreak() || (inParameter && token() === 17) || !isStartOfExpression()) {
                     return undefined;
                 }
+                if (inParameter && requireEqualsToken) {
+                    var result = createMissingNode(71, true, ts.Diagnostics._0_expected, "=");
+                    result.escapedText = "= not found";
+                    return result;
+                }
             }
             parseExpected(58);
             return parseAssignmentExpressionOrHigher();
@@ -18362,7 +12790,7 @@ var ts;
                 if (inYieldContext()) {
                     return true;
                 }
-                return lookAhead(nextTokenIsIdentifierOrKeywordOrNumberOnSameLine);
+                return lookAhead(nextTokenIsIdentifierOrKeywordOrLiteralOnSameLine);
             }
             return false;
         }
@@ -18413,7 +12841,7 @@ var ts;
             if (!arrowFunction) {
                 return undefined;
             }
-            var isAsync = !!(ts.getModifierFlags(arrowFunction) & 256);
+            var isAsync = ts.hasModifier(arrowFunction, 256);
             var lastToken = token();
             arrowFunction.equalsGreaterThanToken = parseExpectedToken(36, false, ts.Diagnostics._0_expected, "=>");
             arrowFunction.body = (lastToken === 36 || lastToken === 17)
@@ -18504,8 +12932,7 @@ var ts;
         }
         function tryParseAsyncSimpleArrowFunctionExpression() {
             if (token() === 120) {
-                var isUnParenthesizedAsyncArrowFunction = lookAhead(isUnParenthesizedAsyncArrowFunctionWorker);
-                if (isUnParenthesizedAsyncArrowFunction === 1) {
+                if (lookAhead(isUnParenthesizedAsyncArrowFunctionWorker) === 1) {
                     var asyncModifier = parseModifiersForArrowFunction();
                     var expr = parseBinaryExpressionOrHigher(0);
                     return parseSimpleArrowFunctionExpression(expr, asyncModifier);
@@ -18529,26 +12956,27 @@ var ts;
         function parseParenthesizedArrowFunctionExpressionHead(allowAmbiguity) {
             var node = createNode(187);
             node.modifiers = parseModifiersForArrowFunction();
-            var isAsync = !!(ts.getModifierFlags(node) & 256);
-            fillSignature(56, false, isAsync, !allowAmbiguity, node);
+            var isAsync = ts.hasModifier(node, 256) ? 2 : 0;
+            fillSignature(56, isAsync | (allowAmbiguity ? 0 : 8), node);
             if (!node.parameters) {
                 return undefined;
             }
-            if (!allowAmbiguity && token() !== 36 && token() !== 17) {
+            if (!allowAmbiguity && ((token() !== 36 && token() !== 17) ||
+                ts.find(node.parameters, function (p) { return p.initializer && ts.isIdentifier(p.initializer) && p.initializer.escapedText === "= not found"; }))) {
                 return undefined;
             }
             return node;
         }
         function parseArrowFunctionExpressionBody(isAsync) {
             if (token() === 17) {
-                return parseFunctionBlock(false, isAsync, false);
+                return parseFunctionBlock(isAsync ? 2 : 0);
             }
             if (token() !== 25 &&
                 token() !== 89 &&
                 token() !== 75 &&
                 isStartOfStatement() &&
                 !isStartOfExpressionStatement()) {
-                return parseFunctionBlock(false, isAsync, true);
+                return parseFunctionBlock(16 | (isAsync ? 2 : 0));
             }
             return isAsync
                 ? doInAwaitContext(parseAssignmentExpressionOrHigher)
@@ -18692,7 +13120,7 @@ var ts;
                 if (inAwaitContext()) {
                     return true;
                 }
-                return lookAhead(nextTokenIsIdentifierOnSameLine);
+                return lookAhead(nextTokenIsIdentifierOrKeywordOrLiteralOnSameLine);
             }
             return false;
         }
@@ -18817,12 +13245,12 @@ var ts;
                 return false;
             }
             if (lhs.kind === 71) {
-                return lhs.text === rhs.text;
+                return lhs.escapedText === rhs.escapedText;
             }
             if (lhs.kind === 99) {
                 return true;
             }
-            return lhs.name.text === rhs.name.text &&
+            return lhs.name.escapedText === rhs.name.escapedText &&
                 tagNamesAreEquivalent(lhs.expression, rhs.expression);
         }
         function parseJsxElementOrSelfClosingElement(inExpressionContext) {
@@ -19164,7 +13592,7 @@ var ts;
             parseExpected(19);
             node.expression = allowInAnd(parseExpression);
             parseExpected(20);
-            return finishNode(node);
+            return addJSDocComment(finishNode(node));
         }
         function parseSpreadElement() {
             var node = createNode(198);
@@ -19261,15 +13689,15 @@ var ts;
             node.modifiers = parseModifiers();
             parseExpected(89);
             node.asteriskToken = parseOptionalToken(39);
-            var isGenerator = !!node.asteriskToken;
-            var isAsync = !!(ts.getModifierFlags(node) & 256);
+            var isGenerator = node.asteriskToken ? 1 : 0;
+            var isAsync = ts.hasModifier(node, 256) ? 2 : 0;
             node.name =
                 isGenerator && isAsync ? doInYieldAndAwaitContext(parseOptionalIdentifier) :
                     isGenerator ? doInYieldContext(parseOptionalIdentifier) :
                         isAsync ? doInAwaitContext(parseOptionalIdentifier) :
                             parseOptionalIdentifier();
-            fillSignature(56, isGenerator, isAsync, false, node);
-            node.body = parseFunctionBlock(isGenerator, isAsync, false);
+            fillSignature(56, isGenerator | isAsync, node);
+            node.body = parseFunctionBlock(isGenerator | isAsync);
             if (saveDecoratorContext) {
                 setDecoratorContext(true);
             }
@@ -19309,16 +13737,16 @@ var ts;
             }
             return finishNode(node);
         }
-        function parseFunctionBlock(allowYield, allowAwait, ignoreMissingOpenBrace, diagnosticMessage) {
+        function parseFunctionBlock(flags, diagnosticMessage) {
             var savedYieldContext = inYieldContext();
-            setYieldContext(allowYield);
+            setYieldContext(!!(flags & 1));
             var savedAwaitContext = inAwaitContext();
-            setAwaitContext(allowAwait);
+            setAwaitContext(!!(flags & 2));
             var saveDecoratorContext = inDecoratorContext();
             if (saveDecoratorContext) {
                 setDecoratorContext(false);
             }
-            var block = parseBlock(ignoreMissingOpenBrace, diagnosticMessage);
+            var block = parseBlock(!!(flags & 16), diagnosticMessage);
             if (saveDecoratorContext) {
                 setDecoratorContext(true);
             }
@@ -19487,10 +13915,13 @@ var ts;
         function parseCatchClause() {
             var result = createNode(260);
             parseExpected(74);
-            if (parseExpected(19)) {
+            if (parseOptional(19)) {
                 result.variableDeclaration = parseVariableDeclaration();
+                parseExpected(20);
+            }
+            else {
+                result.variableDeclaration = undefined;
             }
-            parseExpected(20);
             result.block = parseBlock(false);
             return finishNode(result);
         }
@@ -19528,9 +13959,9 @@ var ts;
             nextToken();
             return token() === 89 && !scanner.hasPrecedingLineBreak();
         }
-        function nextTokenIsIdentifierOrKeywordOrNumberOnSameLine() {
+        function nextTokenIsIdentifierOrKeywordOrLiteralOnSameLine() {
             nextToken();
-            return (ts.tokenIsIdentifierOrKeyword(token()) || token() === 8) && !scanner.hasPrecedingLineBreak();
+            return (ts.tokenIsIdentifierOrKeyword(token()) || token() === 8 || token() === 9) && !scanner.hasPrecedingLineBreak();
         }
         function isDeclaration() {
             while (true) {
@@ -19760,12 +14191,12 @@ var ts;
             nextToken();
             return !scanner.hasPrecedingLineBreak() && (isIdentifier() || token() === 9);
         }
-        function parseFunctionBlockOrSemicolon(isGenerator, isAsync, diagnosticMessage) {
+        function parseFunctionBlockOrSemicolon(flags, diagnosticMessage) {
             if (token() !== 17 && canParseSemicolon()) {
                 parseSemicolon();
                 return;
             }
-            return parseFunctionBlock(isGenerator, isAsync, false, diagnosticMessage);
+            return parseFunctionBlock(flags, diagnosticMessage);
         }
         function parseArrayBindingElement() {
             if (token() === 26) {
@@ -19774,7 +14205,7 @@ var ts;
             var node = createNode(176);
             node.dotDotDotToken = parseOptionalToken(24);
             node.name = parseIdentifierOrPattern();
-            node.initializer = parseBindingElementInitializer(false);
+            node.initializer = parseInitializer(false);
             return finishNode(node);
         }
         function parseObjectBindingElement() {
@@ -19790,7 +14221,7 @@ var ts;
                 node.propertyName = propertyName;
                 node.name = parseIdentifierOrPattern();
             }
-            node.initializer = parseBindingElementInitializer(false);
+            node.initializer = parseInitializer(false);
             return finishNode(node);
         }
         function parseObjectBindingPattern() {
@@ -19824,7 +14255,7 @@ var ts;
             node.name = parseIdentifierOrPattern();
             node.type = parseTypeAnnotation();
             if (!isInOrOfKeyword(token())) {
-                node.initializer = parseInitializer(false);
+                node.initializer = parseNonParameterInitializer();
             }
             return finishNode(node);
         }
@@ -19872,10 +14303,10 @@ var ts;
             parseExpected(89);
             node.asteriskToken = parseOptionalToken(39);
             node.name = ts.hasModifier(node, 512) ? parseOptionalIdentifier() : parseIdentifier();
-            var isGenerator = !!node.asteriskToken;
-            var isAsync = ts.hasModifier(node, 256);
-            fillSignature(56, isGenerator, isAsync, false, node);
-            node.body = parseFunctionBlockOrSemicolon(isGenerator, isAsync, ts.Diagnostics.or_expected);
+            var isGenerator = node.asteriskToken ? 1 : 0;
+            var isAsync = ts.hasModifier(node, 256) ? 2 : 0;
+            fillSignature(56, isGenerator | isAsync, node);
+            node.body = parseFunctionBlockOrSemicolon(isGenerator | isAsync, ts.Diagnostics.or_expected);
             return addJSDocComment(finishNode(node));
         }
         function parseConstructorDeclaration(pos, decorators, modifiers) {
@@ -19883,8 +14314,8 @@ var ts;
             node.decorators = decorators;
             node.modifiers = modifiers;
             parseExpected(123);
-            fillSignature(56, false, false, false, node);
-            node.body = parseFunctionBlockOrSemicolon(false, false, ts.Diagnostics.or_expected);
+            fillSignature(56, 0, node);
+            node.body = parseFunctionBlockOrSemicolon(0, ts.Diagnostics.or_expected);
             return addJSDocComment(finishNode(node));
         }
         function parseMethodDeclaration(fullStart, decorators, modifiers, asteriskToken, name, questionToken, diagnosticMessage) {
@@ -19894,10 +14325,10 @@ var ts;
             method.asteriskToken = asteriskToken;
             method.name = name;
             method.questionToken = questionToken;
-            var isGenerator = !!asteriskToken;
-            var isAsync = ts.hasModifier(method, 256);
-            fillSignature(56, isGenerator, isAsync, false, method);
-            method.body = parseFunctionBlockOrSemicolon(isGenerator, isAsync, diagnosticMessage);
+            var isGenerator = asteriskToken ? 1 : 0;
+            var isAsync = ts.hasModifier(method, 256) ? 2 : 0;
+            fillSignature(56, isGenerator | isAsync, method);
+            method.body = parseFunctionBlockOrSemicolon(isGenerator | isAsync, diagnosticMessage);
             return addJSDocComment(finishNode(method));
         }
         function parsePropertyDeclaration(fullStart, decorators, modifiers, name, questionToken) {
@@ -19932,8 +14363,8 @@ var ts;
             node.decorators = decorators;
             node.modifiers = modifiers;
             node.name = parsePropertyName();
-            fillSignature(56, false, false, false, node);
-            node.body = parseFunctionBlockOrSemicolon(false, false);
+            fillSignature(56, 0, node);
+            node.body = parseFunctionBlockOrSemicolon(0);
             return addJSDocComment(finishNode(node));
         }
         function isClassMemberModifier(idToken) {
@@ -20219,7 +14650,8 @@ var ts;
                 node.flags |= 512;
             }
             else {
-                node.name = parseLiteralNode(true);
+                node.name = parseLiteralNode();
+                node.name.text = internIdentifier(node.name.text);
             }
             if (token() === 17) {
                 node.body = parseModuleBlock();
@@ -20325,7 +14757,7 @@ var ts;
         function parseModuleSpecifier() {
             if (token() === 9) {
                 var result = parseLiteralNode();
-                internIdentifier(result.text);
+                result.text = internIdentifier(result.text);
                 return result;
             }
             else {
@@ -20518,11 +14950,7 @@ var ts;
             ParsingContext[ParsingContext["TupleElementTypes"] = 20] = "TupleElementTypes";
             ParsingContext[ParsingContext["HeritageClauses"] = 21] = "HeritageClauses";
             ParsingContext[ParsingContext["ImportOrExportSpecifiers"] = 22] = "ImportOrExportSpecifiers";
-            ParsingContext[ParsingContext["JSDocFunctionParameters"] = 23] = "JSDocFunctionParameters";
-            ParsingContext[ParsingContext["JSDocTypeArguments"] = 24] = "JSDocTypeArguments";
-            ParsingContext[ParsingContext["JSDocRecordMembers"] = 25] = "JSDocRecordMembers";
-            ParsingContext[ParsingContext["JSDocTupleTypes"] = 26] = "JSDocTupleTypes";
-            ParsingContext[ParsingContext["Count"] = 27] = "Count";
+            ParsingContext[ParsingContext["Count"] = 23] = "Count";
         })(ParsingContext || (ParsingContext = {}));
         var Tristate;
         (function (Tristate) {
@@ -20532,23 +14960,6 @@ var ts;
         })(Tristate || (Tristate = {}));
         var JSDocParser;
         (function (JSDocParser) {
-            function isJSDocType() {
-                switch (token()) {
-                    case 39:
-                    case 55:
-                    case 19:
-                    case 21:
-                    case 51:
-                    case 17:
-                    case 89:
-                    case 24:
-                    case 94:
-                    case 99:
-                        return true;
-                }
-                return ts.tokenIsIdentifierOrKeyword(token());
-            }
-            JSDocParser.isJSDocType = isJSDocType;
             function parseJSDocTypeExpressionForTests(content, start, length) {
                 initializeState(content, 5, undefined, 1);
                 sourceFile = createSourceFile("file.js", 5, 1);
@@ -20563,248 +14974,12 @@ var ts;
             function parseJSDocTypeExpression() {
                 var result = createNode(267, scanner.getTokenPos());
                 parseExpected(17);
-                result.type = parseJSDocTopLevelType();
+                result.type = doInsideOfContext(1048576, parseType);
                 parseExpected(18);
                 fixupParentReferences(result);
                 return finishNode(result);
             }
             JSDocParser.parseJSDocTypeExpression = parseJSDocTypeExpression;
-            function parseJSDocTopLevelType() {
-                var type = parseJSDocType();
-                if (token() === 49) {
-                    var unionType = createNode(271, type.pos);
-                    unionType.types = parseJSDocTypeList(type);
-                    type = finishNode(unionType);
-                }
-                if (token() === 58) {
-                    var optionalType = createNode(278, type.pos);
-                    nextToken();
-                    optionalType.type = type;
-                    type = finishNode(optionalType);
-                }
-                return type;
-            }
-            function parseJSDocType() {
-                var type = parseBasicTypeExpression();
-                while (true) {
-                    if (token() === 21) {
-                        var arrayType = createNode(270, type.pos);
-                        arrayType.elementType = type;
-                        nextToken();
-                        parseExpected(22);
-                        type = finishNode(arrayType);
-                    }
-                    else if (token() === 55) {
-                        var nullableType = createNode(273, type.pos);
-                        nullableType.type = type;
-                        nextToken();
-                        type = finishNode(nullableType);
-                    }
-                    else if (token() === 51) {
-                        var nonNullableType = createNode(274, type.pos);
-                        nonNullableType.type = type;
-                        nextToken();
-                        type = finishNode(nonNullableType);
-                    }
-                    else {
-                        break;
-                    }
-                }
-                return type;
-            }
-            function parseBasicTypeExpression() {
-                switch (token()) {
-                    case 39:
-                        return parseJSDocAllType();
-                    case 55:
-                        return parseJSDocUnknownOrNullableType();
-                    case 19:
-                        return parseJSDocUnionType();
-                    case 21:
-                        return parseJSDocTupleType();
-                    case 51:
-                        return parseJSDocNonNullableType();
-                    case 17:
-                        return parseJSDocRecordType();
-                    case 89:
-                        if (lookAhead(nextTokenIsOpenParen)) {
-                            return parseJSDocFunctionType();
-                        }
-                        break;
-                    case 24:
-                        return parseJSDocVariadicType();
-                    case 94:
-                        return parseJSDocConstructorType();
-                    case 99:
-                        return parseJSDocThisType();
-                    case 119:
-                    case 136:
-                    case 133:
-                    case 122:
-                    case 137:
-                    case 105:
-                    case 95:
-                    case 139:
-                    case 130:
-                        return parseTokenNode();
-                    case 9:
-                    case 8:
-                    case 101:
-                    case 86:
-                        return parseJSDocLiteralType();
-                }
-                return parseJSDocTypeReference();
-            }
-            function parseJSDocThisType() {
-                var result = createNode(282);
-                nextToken();
-                parseExpected(56);
-                result.type = parseJSDocType();
-                return finishNode(result);
-            }
-            function parseJSDocConstructorType() {
-                var result = createNode(281);
-                nextToken();
-                parseExpected(56);
-                result.type = parseJSDocType();
-                return finishNode(result);
-            }
-            function parseJSDocVariadicType() {
-                var result = createNode(280);
-                nextToken();
-                result.type = parseJSDocType();
-                return finishNode(result);
-            }
-            function parseJSDocFunctionType() {
-                var result = createNode(279);
-                nextToken();
-                parseExpected(19);
-                result.parameters = parseDelimitedList(23, parseJSDocParameter);
-                checkForTrailingComma(result.parameters);
-                parseExpected(20);
-                if (token() === 56) {
-                    nextToken();
-                    result.type = parseJSDocType();
-                }
-                return finishNode(result);
-            }
-            function parseJSDocParameter() {
-                var parameter = createNode(146);
-                parameter.type = parseJSDocType();
-                if (parseOptional(58)) {
-                    parameter.questionToken = createNode(58);
-                }
-                return finishNode(parameter);
-            }
-            function parseJSDocTypeReference() {
-                var result = createNode(277);
-                result.name = parseSimplePropertyName();
-                if (token() === 27) {
-                    result.typeArguments = parseTypeArguments();
-                }
-                else {
-                    while (parseOptional(23)) {
-                        if (token() === 27) {
-                            result.typeArguments = parseTypeArguments();
-                            break;
-                        }
-                        else {
-                            result.name = parseQualifiedName(result.name);
-                        }
-                    }
-                }
-                return finishNode(result);
-            }
-            function parseTypeArguments() {
-                nextToken();
-                var typeArguments = parseDelimitedList(24, parseJSDocType);
-                checkForTrailingComma(typeArguments);
-                checkForEmptyTypeArgumentList(typeArguments);
-                parseExpected(29);
-                return typeArguments;
-            }
-            function checkForEmptyTypeArgumentList(typeArguments) {
-                if (parseDiagnostics.length === 0 && typeArguments && typeArguments.length === 0) {
-                    var start = typeArguments.pos - "<".length;
-                    var end = ts.skipTrivia(sourceText, typeArguments.end) + ">".length;
-                    return parseErrorAtPosition(start, end - start, ts.Diagnostics.Type_argument_list_cannot_be_empty);
-                }
-            }
-            function parseQualifiedName(left) {
-                var result = createNode(143, left.pos);
-                result.left = left;
-                result.right = parseIdentifierName();
-                return finishNode(result);
-            }
-            function parseJSDocRecordType() {
-                var result = createNode(275);
-                result.literal = parseTypeLiteral();
-                return finishNode(result);
-            }
-            function parseJSDocNonNullableType() {
-                var result = createNode(274);
-                nextToken();
-                result.type = parseJSDocType();
-                return finishNode(result);
-            }
-            function parseJSDocTupleType() {
-                var result = createNode(272);
-                nextToken();
-                result.types = parseDelimitedList(26, parseJSDocType);
-                checkForTrailingComma(result.types);
-                parseExpected(22);
-                return finishNode(result);
-            }
-            function checkForTrailingComma(list) {
-                if (parseDiagnostics.length === 0 && list.hasTrailingComma) {
-                    var start = list.end - ",".length;
-                    parseErrorAtPosition(start, ",".length, ts.Diagnostics.Trailing_comma_not_allowed);
-                }
-            }
-            function parseJSDocUnionType() {
-                var result = createNode(271);
-                nextToken();
-                result.types = parseJSDocTypeList(parseJSDocType());
-                parseExpected(20);
-                return finishNode(result);
-            }
-            function parseJSDocTypeList(firstType) {
-                ts.Debug.assert(!!firstType);
-                var types = createNodeArray([firstType], firstType.pos);
-                while (parseOptional(49)) {
-                    types.push(parseJSDocType());
-                }
-                types.end = scanner.getStartPos();
-                return types;
-            }
-            function parseJSDocAllType() {
-                var result = createNode(268);
-                nextToken();
-                return finishNode(result);
-            }
-            function parseJSDocLiteralType() {
-                var result = createNode(294);
-                result.literal = parseLiteralTypeNode();
-                return finishNode(result);
-            }
-            function parseJSDocUnknownOrNullableType() {
-                var pos = scanner.getStartPos();
-                nextToken();
-                if (token() === 26 ||
-                    token() === 18 ||
-                    token() === 20 ||
-                    token() === 29 ||
-                    token() === 58 ||
-                    token() === 49) {
-                    var result = createNode(269, pos);
-                    return finishNode(result);
-                }
-                else {
-                    var result = createNode(273, pos);
-                    result.type = parseJSDocType();
-                    return finishNode(result);
-                }
-            }
             function parseIsolatedJSDocComment(content, start, length) {
                 initializeState(content, 5, undefined, 1);
                 sourceFile = { languageVariant: 0, text: content };
@@ -20841,6 +15016,11 @@ var ts;
                 JSDocState[JSDocState["SawAsterisk"] = 1] = "SawAsterisk";
                 JSDocState[JSDocState["SavingComments"] = 2] = "SavingComments";
             })(JSDocState || (JSDocState = {}));
+            var PropertyLikeParse;
+            (function (PropertyLikeParse) {
+                PropertyLikeParse[PropertyLikeParse["Property"] = 0] = "Property";
+                PropertyLikeParse[PropertyLikeParse["Parameter"] = 1] = "Parameter";
+            })(PropertyLikeParse || (PropertyLikeParse = {}));
             function parseJSDocCommentWorker(start, length) {
                 var content = sourceText;
                 start = start || 0;
@@ -20957,7 +15137,7 @@ var ts;
                         content.charCodeAt(start + 3) !== 42;
                 }
                 function createJSDocComment() {
-                    var result = createNode(283, start);
+                    var result = createNode(275, start);
                     result.tags = tags;
                     result.comment = comments.length ? comments.join("") : undefined;
                     return finishNode(result, end);
@@ -20979,7 +15159,7 @@ var ts;
                     }
                     var tag;
                     if (tagName) {
-                        switch (tagName.text) {
+                        switch (tagName.escapedText) {
                             case "augments":
                                 tag = parseAugmentsTag(atToken, tagName);
                                 break;
@@ -20990,7 +15170,7 @@ var ts;
                             case "arg":
                             case "argument":
                             case "param":
-                                tag = parseParameterOrPropertyTag(atToken, tagName, true);
+                                tag = parseParameterOrPropertyTag(atToken, tagName, 1);
                                 break;
                             case "return":
                             case "returns":
@@ -21073,7 +15253,7 @@ var ts;
                     return comments;
                 }
                 function parseUnknownTag(atToken, tagName) {
-                    var result = createNode(284, atToken.pos);
+                    var result = createNode(276, atToken.pos);
                     result.atToken = atToken;
                     result.tagName = tagName;
                     return finishNode(result);
@@ -21099,7 +15279,7 @@ var ts;
                 }
                 function parseBracketNameInPropertyAndParamTag() {
                     var isBracketed = parseOptional(21);
-                    var name = parseJSDocIdentifierName(true);
+                    var name = parseJSDocEntityName();
                     if (isBracketed) {
                         skipWhitespace();
                         if (parseOptionalToken(58)) {
@@ -21109,48 +15289,80 @@ var ts;
                     }
                     return { name: name, isBracketed: isBracketed };
                 }
-                function parseParameterOrPropertyTag(atToken, tagName, shouldParseParamTag) {
+                function isObjectOrObjectArrayTypeReference(node) {
+                    switch (node.kind) {
+                        case 134:
+                            return true;
+                        case 164:
+                            return isObjectOrObjectArrayTypeReference(node.elementType);
+                        default:
+                            return ts.isTypeReferenceNode(node) && ts.isIdentifier(node.typeName) && node.typeName.escapedText === "Object";
+                    }
+                }
+                function parseParameterOrPropertyTag(atToken, tagName, target) {
                     var typeExpression = tryParseTypeExpression();
+                    var isNameFirst = !typeExpression;
                     skipWhitespace();
                     var _a = parseBracketNameInPropertyAndParamTag(), name = _a.name, isBracketed = _a.isBracketed;
                     skipWhitespace();
-                    var preName, postName;
-                    if (typeExpression) {
-                        postName = name;
-                    }
-                    else {
-                        preName = name;
-                    }
-                    if (!typeExpression) {
+                    if (isNameFirst) {
                         typeExpression = tryParseTypeExpression();
                     }
-                    var result = shouldParseParamTag ?
-                        createNode(287, atToken.pos) :
-                        createNode(292, atToken.pos);
+                    var result = target === 1 ?
+                        createNode(279, atToken.pos) :
+                        createNode(284, atToken.pos);
+                    var nestedTypeLiteral = parseNestedTypeLiteral(typeExpression, name);
+                    if (nestedTypeLiteral) {
+                        typeExpression = nestedTypeLiteral;
+                        isNameFirst = true;
+                    }
                     result.atToken = atToken;
                     result.tagName = tagName;
-                    result.preParameterName = preName;
                     result.typeExpression = typeExpression;
-                    result.postParameterName = postName;
-                    result.name = postName || preName;
+                    result.name = name;
+                    result.isNameFirst = isNameFirst;
                     result.isBracketed = isBracketed;
                     return finishNode(result);
                 }
+                function parseNestedTypeLiteral(typeExpression, name) {
+                    if (typeExpression && isObjectOrObjectArrayTypeReference(typeExpression.type)) {
+                        var typeLiteralExpression = createNode(267, scanner.getTokenPos());
+                        var child = void 0;
+                        var jsdocTypeLiteral = void 0;
+                        var start_2 = scanner.getStartPos();
+                        var children = void 0;
+                        while (child = tryParse(function () { return parseChildParameterOrPropertyTag(1, name); })) {
+                            if (!children) {
+                                children = [];
+                            }
+                            children.push(child);
+                        }
+                        if (children) {
+                            jsdocTypeLiteral = createNode(285, start_2);
+                            jsdocTypeLiteral.jsDocPropertyTags = children;
+                            if (typeExpression.type.kind === 164) {
+                                jsdocTypeLiteral.isArrayType = true;
+                            }
+                            typeLiteralExpression.type = finishNode(jsdocTypeLiteral);
+                            return finishNode(typeLiteralExpression);
+                        }
+                    }
+                }
                 function parseReturnTag(atToken, tagName) {
-                    if (ts.forEach(tags, function (t) { return t.kind === 288; })) {
-                        parseErrorAtPosition(tagName.pos, scanner.getTokenPos() - tagName.pos, ts.Diagnostics._0_tag_already_specified, tagName.text);
+                    if (ts.forEach(tags, function (t) { return t.kind === 280; })) {
+                        parseErrorAtPosition(tagName.pos, scanner.getTokenPos() - tagName.pos, ts.Diagnostics._0_tag_already_specified, tagName.escapedText);
                     }
-                    var result = createNode(288, atToken.pos);
+                    var result = createNode(280, atToken.pos);
                     result.atToken = atToken;
                     result.tagName = tagName;
                     result.typeExpression = tryParseTypeExpression();
                     return finishNode(result);
                 }
                 function parseTypeTag(atToken, tagName) {
-                    if (ts.forEach(tags, function (t) { return t.kind === 289; })) {
-                        parseErrorAtPosition(tagName.pos, scanner.getTokenPos() - tagName.pos, ts.Diagnostics._0_tag_already_specified, tagName.text);
+                    if (ts.forEach(tags, function (t) { return t.kind === 281; })) {
+                        parseErrorAtPosition(tagName.pos, scanner.getTokenPos() - tagName.pos, ts.Diagnostics._0_tag_already_specified, tagName.escapedText);
                     }
-                    var result = createNode(289, atToken.pos);
+                    var result = createNode(281, atToken.pos);
                     result.atToken = atToken;
                     result.tagName = tagName;
                     result.typeExpression = tryParseTypeExpression();
@@ -21158,14 +15370,14 @@ var ts;
                 }
                 function parseAugmentsTag(atToken, tagName) {
                     var typeExpression = tryParseTypeExpression();
-                    var result = createNode(285, atToken.pos);
+                    var result = createNode(277, atToken.pos);
                     result.atToken = atToken;
                     result.tagName = tagName;
                     result.typeExpression = typeExpression;
                     return finishNode(result);
                 }
                 function parseClassTag(atToken, tagName) {
-                    var tag = createNode(286, atToken.pos);
+                    var tag = createNode(278, atToken.pos);
                     tag.atToken = atToken;
                     tag.tagName = tagName;
                     return finishNode(tag);
@@ -21173,7 +15385,7 @@ var ts;
                 function parseTypedefTag(atToken, tagName) {
                     var typeExpression = tryParseTypeExpression();
                     skipWhitespace();
-                    var typedefTag = createNode(291, atToken.pos);
+                    var typedefTag = createNode(283, atToken.pos);
                     typedefTag.atToken = atToken;
                     typedefTag.tagName = tagName;
                     typedefTag.fullName = parseJSDocTypeNameWithNamespace(0);
@@ -21187,65 +15399,42 @@ var ts;
                             rightNode = rightNode.body;
                         }
                     }
-                    typedefTag.typeExpression = typeExpression;
                     skipWhitespace();
-                    if (typeExpression) {
-                        if (typeExpression.type.kind === 277) {
-                            var jsDocTypeReference = typeExpression.type;
-                            if (jsDocTypeReference.name.kind === 71) {
-                                var name = jsDocTypeReference.name;
-                                if (name.text === "Object" || name.text === "object") {
-                                    typedefTag.jsDocTypeLiteral = scanChildTags();
+                    typedefTag.typeExpression = typeExpression;
+                    if (!typeExpression || isObjectOrObjectArrayTypeReference(typeExpression.type)) {
+                        var child = void 0;
+                        var jsdocTypeLiteral = void 0;
+                        var childTypeTag = void 0;
+                        var start_3 = scanner.getStartPos();
+                        while (child = tryParse(function () { return parseChildParameterOrPropertyTag(0); })) {
+                            if (!jsdocTypeLiteral) {
+                                jsdocTypeLiteral = createNode(285, start_3);
+                            }
+                            if (child.kind === 281) {
+                                if (childTypeTag) {
+                                    break;
+                                }
+                                else {
+                                    childTypeTag = child;
                                 }
                             }
+                            else {
+                                if (!jsdocTypeLiteral.jsDocPropertyTags) {
+                                    jsdocTypeLiteral.jsDocPropertyTags = [];
+                                }
+                                jsdocTypeLiteral.jsDocPropertyTags.push(child);
+                            }
                         }
-                        if (!typedefTag.jsDocTypeLiteral) {
-                            typedefTag.jsDocTypeLiteral = typeExpression.type;
-                        }
-                    }
-                    else {
-                        typedefTag.jsDocTypeLiteral = scanChildTags();
-                    }
-                    return finishNode(typedefTag);
-                    function scanChildTags() {
-                        var jsDocTypeLiteral = createNode(293, scanner.getStartPos());
-                        var resumePos = scanner.getStartPos();
-                        var canParseTag = true;
-                        var seenAsterisk = false;
-                        var parentTagTerminated = false;
-                        while (token() !== 1 && !parentTagTerminated) {
-                            nextJSDocToken();
-                            switch (token()) {
-                                case 57:
-                                    if (canParseTag) {
-                                        parentTagTerminated = !tryParseChildTag(jsDocTypeLiteral);
-                                        if (!parentTagTerminated) {
-                                            resumePos = scanner.getStartPos();
-                                        }
-                                    }
-                                    seenAsterisk = false;
-                                    break;
-                                case 4:
-                                    resumePos = scanner.getStartPos() - 1;
-                                    canParseTag = true;
-                                    seenAsterisk = false;
-                                    break;
-                                case 39:
-                                    if (seenAsterisk) {
-                                        canParseTag = false;
-                                    }
-                                    seenAsterisk = true;
-                                    break;
-                                case 71:
-                                    canParseTag = false;
-                                    break;
-                                case 1:
-                                    break;
+                        if (jsdocTypeLiteral) {
+                            if (typeExpression && typeExpression.type.kind === 164) {
+                                jsdocTypeLiteral.isArrayType = true;
                             }
+                            typedefTag.typeExpression = childTypeTag && !isObjectOrObjectArrayTypeReference(childTypeTag.typeExpression.type) ?
+                                childTypeTag.typeExpression :
+                                finishNode(jsdocTypeLiteral);
                         }
-                        scanner.setTextPos(resumePos);
-                        return finishNode(jsDocTypeLiteral);
                     }
+                    return finishNode(typedefTag);
                     function parseJSDocTypeNameWithNamespace(flags) {
                         var pos = scanner.getTokenPos();
                         var typeNameOrNamespaceName = parseJSDocIdentifierName();
@@ -21262,7 +15451,54 @@ var ts;
                         return typeNameOrNamespaceName;
                     }
                 }
-                function tryParseChildTag(parentTag) {
+                function escapedTextsEqual(a, b) {
+                    while (!ts.isIdentifier(a) || !ts.isIdentifier(b)) {
+                        if (!ts.isIdentifier(a) && !ts.isIdentifier(b) && a.right.escapedText === b.right.escapedText) {
+                            a = a.left;
+                            b = b.left;
+                        }
+                        else {
+                            return false;
+                        }
+                    }
+                    return a.escapedText === b.escapedText;
+                }
+                function parseChildParameterOrPropertyTag(target, name) {
+                    var canParseTag = true;
+                    var seenAsterisk = false;
+                    while (true) {
+                        nextJSDocToken();
+                        switch (token()) {
+                            case 57:
+                                if (canParseTag) {
+                                    var child = tryParseChildTag(target);
+                                    if (child && child.kind === 279 &&
+                                        (ts.isIdentifier(child.name) || !escapedTextsEqual(name, child.name.left))) {
+                                        return false;
+                                    }
+                                    return child;
+                                }
+                                seenAsterisk = false;
+                                break;
+                            case 4:
+                                canParseTag = true;
+                                seenAsterisk = false;
+                                break;
+                            case 39:
+                                if (seenAsterisk) {
+                                    canParseTag = false;
+                                }
+                                seenAsterisk = true;
+                                break;
+                            case 71:
+                                canParseTag = false;
+                                break;
+                            case 1:
+                                return false;
+                        }
+                    }
+                }
+                function tryParseChildTag(target) {
                     ts.Debug.assert(token() === 57);
                     var atToken = createNode(57, scanner.getStartPos());
                     atToken.end = scanner.getTextPos();
@@ -21272,30 +15508,22 @@ var ts;
                     if (!tagName) {
                         return false;
                     }
-                    switch (tagName.text) {
+                    switch (tagName.escapedText) {
                         case "type":
-                            if (parentTag.jsDocTypeTag) {
-                                return false;
-                            }
-                            parentTag.jsDocTypeTag = parseTypeTag(atToken, tagName);
-                            return true;
+                            return target === 0 && parseTypeTag(atToken, tagName);
                         case "prop":
                         case "property":
-                            var propertyTag = parseParameterOrPropertyTag(atToken, tagName, false);
-                            if (propertyTag) {
-                                if (!parentTag.jsDocPropertyTags) {
-                                    parentTag.jsDocPropertyTags = [];
-                                }
-                                parentTag.jsDocPropertyTags.push(propertyTag);
-                                return true;
-                            }
-                            return false;
+                            return target === 0 && parseParameterOrPropertyTag(atToken, tagName, target);
+                        case "arg":
+                        case "argument":
+                        case "param":
+                            return target === 1 && parseParameterOrPropertyTag(atToken, tagName, target);
                     }
                     return false;
                 }
                 function parseTemplateTag(atToken, tagName) {
-                    if (ts.forEach(tags, function (t) { return t.kind === 290; })) {
-                        parseErrorAtPosition(tagName.pos, scanner.getTokenPos() - tagName.pos, ts.Diagnostics._0_tag_already_specified, tagName.text);
+                    if (ts.forEach(tags, function (t) { return t.kind === 282; })) {
+                        parseErrorAtPosition(tagName.pos, scanner.getTokenPos() - tagName.pos, ts.Diagnostics._0_tag_already_specified, tagName.escapedText);
                     }
                     var typeParameters = createNodeArray();
                     while (true) {
@@ -21317,7 +15545,7 @@ var ts;
                             break;
                         }
                     }
-                    var result = createNode(290, atToken.pos);
+                    var result = createNode(282, atToken.pos);
                     result.atToken = atToken;
                     result.tagName = tagName;
                     result.typeParameters = typeParameters;
@@ -21328,12 +15556,23 @@ var ts;
                 function nextJSDocToken() {
                     return currentToken = scanner.scanJSDocToken();
                 }
+                function parseJSDocEntityName() {
+                    var entity = parseJSDocIdentifierName(true);
+                    if (parseOptional(21)) {
+                        parseExpected(22);
+                    }
+                    while (parseOptional(23)) {
+                        var name = parseJSDocIdentifierName(true);
+                        if (parseOptional(21)) {
+                            parseExpected(22);
+                        }
+                        entity = createQualifiedName(entity, name);
+                    }
+                    return entity;
+                }
                 function parseJSDocIdentifierName(createIfMissing) {
                     if (createIfMissing === void 0) { createIfMissing = false; }
-                    return createJSDocIdentifier(ts.tokenIsIdentifierOrKeyword(token()), createIfMissing);
-                }
-                function createJSDocIdentifier(isIdentifier, createIfMissing) {
-                    if (!isIdentifier) {
+                    if (!ts.tokenIsIdentifierOrKeyword(token())) {
                         if (createIfMissing) {
                             return createMissingNode(71, true, ts.Diagnostics.Identifier_expected);
                         }
@@ -21345,7 +15584,7 @@ var ts;
                     var pos = scanner.getTokenPos();
                     var end = scanner.getTextPos();
                     var result = createNode(71, pos);
-                    result.text = content.substring(pos, end);
+                    result.escapedText = ts.escapeLeadingUnderscores(content.substring(pos, end));
                     finishNode(result, end);
                     nextJSDocToken();
                     return result;
@@ -21415,8 +15654,8 @@ var ts;
                 array._children = undefined;
                 array.pos += delta;
                 array.end += delta;
-                for (var _i = 0, array_9 = array; _i < array_9.length; _i++) {
-                    var node = array_9[_i];
+                for (var _i = 0, array_8 = array; _i < array_8.length; _i++) {
+                    var node = array_8[_i];
                     visitNode(node);
                 }
             }
@@ -21488,8 +15727,8 @@ var ts;
                     array.intersectsChange = true;
                     array._children = undefined;
                     adjustIntersectingElement(array, changeStart, changeRangeOldEnd, changeRangeNewEnd, delta);
-                    for (var _i = 0, array_10 = array; _i < array_10.length; _i++) {
-                        var node = array_10[_i];
+                    for (var _i = 0, array_9 = array; _i < array_9.length; _i++) {
+                        var node = array_9[_i];
                         visitNode(node);
                     }
                     return;
@@ -21645,6 +15884,2535 @@ var ts;
 })(ts || (ts = {}));
 var ts;
 (function (ts) {
+    ts.compileOnSaveCommandLineOption = { name: "compileOnSave", type: "boolean" };
+    ts.optionDeclarations = [
+        {
+            name: "help",
+            shortName: "h",
+            type: "boolean",
+            showInSimplifiedHelpView: true,
+            category: ts.Diagnostics.Command_line_Options,
+            description: ts.Diagnostics.Print_this_message,
+        },
+        {
+            name: "help",
+            shortName: "?",
+            type: "boolean"
+        },
+        {
+            name: "all",
+            type: "boolean",
+            showInSimplifiedHelpView: true,
+            category: ts.Diagnostics.Command_line_Options,
+            description: ts.Diagnostics.Show_all_compiler_options,
+        },
+        {
+            name: "version",
+            shortName: "v",
+            type: "boolean",
+            showInSimplifiedHelpView: true,
+            category: ts.Diagnostics.Command_line_Options,
+            description: ts.Diagnostics.Print_the_compiler_s_version,
+        },
+        {
+            name: "init",
+            type: "boolean",
+            showInSimplifiedHelpView: true,
+            category: ts.Diagnostics.Command_line_Options,
+            description: ts.Diagnostics.Initializes_a_TypeScript_project_and_creates_a_tsconfig_json_file,
+        },
+        {
+            name: "project",
+            shortName: "p",
+            type: "string",
+            isFilePath: true,
+            showInSimplifiedHelpView: true,
+            category: ts.Diagnostics.Command_line_Options,
+            paramType: ts.Diagnostics.FILE_OR_DIRECTORY,
+            description: ts.Diagnostics.Compile_the_project_given_the_path_to_its_configuration_file_or_to_a_folder_with_a_tsconfig_json,
+        },
+        {
+            name: "pretty",
+            type: "boolean",
+            showInSimplifiedHelpView: true,
+            category: ts.Diagnostics.Command_line_Options,
+            description: ts.Diagnostics.Stylize_errors_and_messages_using_color_and_context_experimental
+        },
+        {
+            name: "watch",
+            shortName: "w",
+            type: "boolean",
+            showInSimplifiedHelpView: true,
+            category: ts.Diagnostics.Command_line_Options,
+            description: ts.Diagnostics.Watch_input_files,
+        },
+        {
+            name: "target",
+            shortName: "t",
+            type: ts.createMapFromTemplate({
+                "es3": 0,
+                "es5": 1,
+                "es6": 2,
+                "es2015": 2,
+                "es2016": 3,
+                "es2017": 4,
+                "esnext": 5,
+            }),
+            paramType: ts.Diagnostics.VERSION,
+            showInSimplifiedHelpView: true,
+            category: ts.Diagnostics.Basic_Options,
+            description: ts.Diagnostics.Specify_ECMAScript_target_version_Colon_ES3_default_ES5_ES2015_ES2016_ES2017_or_ESNEXT,
+        },
+        {
+            name: "module",
+            shortName: "m",
+            type: ts.createMapFromTemplate({
+                "none": ts.ModuleKind.None,
+                "commonjs": ts.ModuleKind.CommonJS,
+                "amd": ts.ModuleKind.AMD,
+                "system": ts.ModuleKind.System,
+                "umd": ts.ModuleKind.UMD,
+                "es6": ts.ModuleKind.ES2015,
+                "es2015": ts.ModuleKind.ES2015,
+                "esnext": ts.ModuleKind.ESNext
+            }),
+            paramType: ts.Diagnostics.KIND,
+            showInSimplifiedHelpView: true,
+            category: ts.Diagnostics.Basic_Options,
+            description: ts.Diagnostics.Specify_module_code_generation_Colon_none_commonjs_amd_system_umd_es2015_or_ESNext,
+        },
+        {
+            name: "lib",
+            type: "list",
+            element: {
+                name: "lib",
+                type: ts.createMapFromTemplate({
+                    "es5": "lib.es5.d.ts",
+                    "es6": "lib.es2015.d.ts",
+                    "es2015": "lib.es2015.d.ts",
+                    "es7": "lib.es2016.d.ts",
+                    "es2016": "lib.es2016.d.ts",
+                    "es2017": "lib.es2017.d.ts",
+                    "esnext": "lib.esnext.d.ts",
+                    "dom": "lib.dom.d.ts",
+                    "dom.iterable": "lib.dom.iterable.d.ts",
+                    "webworker": "lib.webworker.d.ts",
+                    "scripthost": "lib.scripthost.d.ts",
+                    "es2015.core": "lib.es2015.core.d.ts",
+                    "es2015.collection": "lib.es2015.collection.d.ts",
+                    "es2015.generator": "lib.es2015.generator.d.ts",
+                    "es2015.iterable": "lib.es2015.iterable.d.ts",
+                    "es2015.promise": "lib.es2015.promise.d.ts",
+                    "es2015.proxy": "lib.es2015.proxy.d.ts",
+                    "es2015.reflect": "lib.es2015.reflect.d.ts",
+                    "es2015.symbol": "lib.es2015.symbol.d.ts",
+                    "es2015.symbol.wellknown": "lib.es2015.symbol.wellknown.d.ts",
+                    "es2016.array.include": "lib.es2016.array.include.d.ts",
+                    "es2017.object": "lib.es2017.object.d.ts",
+                    "es2017.sharedmemory": "lib.es2017.sharedmemory.d.ts",
+                    "es2017.string": "lib.es2017.string.d.ts",
+                    "es2017.intl": "lib.es2017.intl.d.ts",
+                    "esnext.asynciterable": "lib.esnext.asynciterable.d.ts",
+                }),
+            },
+            showInSimplifiedHelpView: true,
+            category: ts.Diagnostics.Basic_Options,
+            description: ts.Diagnostics.Specify_library_files_to_be_included_in_the_compilation_Colon
+        },
+        {
+            name: "allowJs",
+            type: "boolean",
+            showInSimplifiedHelpView: true,
+            category: ts.Diagnostics.Basic_Options,
+            description: ts.Diagnostics.Allow_javascript_files_to_be_compiled
+        },
+        {
+            name: "checkJs",
+            type: "boolean",
+            category: ts.Diagnostics.Basic_Options,
+            description: ts.Diagnostics.Report_errors_in_js_files
+        },
+        {
+            name: "jsx",
+            type: ts.createMapFromTemplate({
+                "preserve": 1,
+                "react-native": 3,
+                "react": 2
+            }),
+            paramType: ts.Diagnostics.KIND,
+            showInSimplifiedHelpView: true,
+            category: ts.Diagnostics.Basic_Options,
+            description: ts.Diagnostics.Specify_JSX_code_generation_Colon_preserve_react_native_or_react,
+        },
+        {
+            name: "declaration",
+            shortName: "d",
+            type: "boolean",
+            showInSimplifiedHelpView: true,
+            category: ts.Diagnostics.Basic_Options,
+            description: ts.Diagnostics.Generates_corresponding_d_ts_file,
+        },
+        {
+            name: "sourceMap",
+            type: "boolean",
+            showInSimplifiedHelpView: true,
+            category: ts.Diagnostics.Basic_Options,
+            description: ts.Diagnostics.Generates_corresponding_map_file,
+        },
+        {
+            name: "outFile",
+            type: "string",
+            isFilePath: true,
+            paramType: ts.Diagnostics.FILE,
+            showInSimplifiedHelpView: true,
+            category: ts.Diagnostics.Basic_Options,
+            description: ts.Diagnostics.Concatenate_and_emit_output_to_single_file,
+        },
+        {
+            name: "outDir",
+            type: "string",
+            isFilePath: true,
+            paramType: ts.Diagnostics.DIRECTORY,
+            showInSimplifiedHelpView: true,
+            category: ts.Diagnostics.Basic_Options,
+            description: ts.Diagnostics.Redirect_output_structure_to_the_directory,
+        },
+        {
+            name: "rootDir",
+            type: "string",
+            isFilePath: true,
+            paramType: ts.Diagnostics.LOCATION,
+            category: ts.Diagnostics.Basic_Options,
+            description: ts.Diagnostics.Specify_the_root_directory_of_input_files_Use_to_control_the_output_directory_structure_with_outDir,
+        },
+        {
+            name: "removeComments",
+            type: "boolean",
+            showInSimplifiedHelpView: true,
+            category: ts.Diagnostics.Basic_Options,
+            description: ts.Diagnostics.Do_not_emit_comments_to_output,
+        },
+        {
+            name: "noEmit",
+            type: "boolean",
+            showInSimplifiedHelpView: true,
+            category: ts.Diagnostics.Basic_Options,
+            description: ts.Diagnostics.Do_not_emit_outputs,
+        },
+        {
+            name: "importHelpers",
+            type: "boolean",
+            category: ts.Diagnostics.Basic_Options,
+            description: ts.Diagnostics.Import_emit_helpers_from_tslib
+        },
+        {
+            name: "downlevelIteration",
+            type: "boolean",
+            category: ts.Diagnostics.Basic_Options,
+            description: ts.Diagnostics.Provide_full_support_for_iterables_in_for_of_spread_and_destructuring_when_targeting_ES5_or_ES3
+        },
+        {
+            name: "isolatedModules",
+            type: "boolean",
+            category: ts.Diagnostics.Basic_Options,
+            description: ts.Diagnostics.Transpile_each_file_as_a_separate_module_similar_to_ts_transpileModule
+        },
+        {
+            name: "strict",
+            type: "boolean",
+            showInSimplifiedHelpView: true,
+            category: ts.Diagnostics.Strict_Type_Checking_Options,
+            description: ts.Diagnostics.Enable_all_strict_type_checking_options
+        },
+        {
+            name: "noImplicitAny",
+            type: "boolean",
+            showInSimplifiedHelpView: true,
+            category: ts.Diagnostics.Strict_Type_Checking_Options,
+            description: ts.Diagnostics.Raise_error_on_expressions_and_declarations_with_an_implied_any_type,
+        },
+        {
+            name: "strictNullChecks",
+            type: "boolean",
+            showInSimplifiedHelpView: true,
+            category: ts.Diagnostics.Strict_Type_Checking_Options,
+            description: ts.Diagnostics.Enable_strict_null_checks
+        },
+        {
+            name: "noImplicitThis",
+            type: "boolean",
+            showInSimplifiedHelpView: true,
+            category: ts.Diagnostics.Strict_Type_Checking_Options,
+            description: ts.Diagnostics.Raise_error_on_this_expressions_with_an_implied_any_type,
+        },
+        {
+            name: "alwaysStrict",
+            type: "boolean",
+            showInSimplifiedHelpView: true,
+            category: ts.Diagnostics.Strict_Type_Checking_Options,
+            description: ts.Diagnostics.Parse_in_strict_mode_and_emit_use_strict_for_each_source_file
+        },
+        {
+            name: "noUnusedLocals",
+            type: "boolean",
+            showInSimplifiedHelpView: true,
+            category: ts.Diagnostics.Additional_Checks,
+            description: ts.Diagnostics.Report_errors_on_unused_locals,
+        },
+        {
+            name: "noUnusedParameters",
+            type: "boolean",
+            showInSimplifiedHelpView: true,
+            category: ts.Diagnostics.Additional_Checks,
+            description: ts.Diagnostics.Report_errors_on_unused_parameters,
+        },
+        {
+            name: "noImplicitReturns",
+            type: "boolean",
+            showInSimplifiedHelpView: true,
+            category: ts.Diagnostics.Additional_Checks,
+            description: ts.Diagnostics.Report_error_when_not_all_code_paths_in_function_return_a_value
+        },
+        {
+            name: "noFallthroughCasesInSwitch",
+            type: "boolean",
+            showInSimplifiedHelpView: true,
+            category: ts.Diagnostics.Additional_Checks,
+            description: ts.Diagnostics.Report_errors_for_fallthrough_cases_in_switch_statement
+        },
+        {
+            name: "moduleResolution",
+            type: ts.createMapFromTemplate({
+                "node": ts.ModuleResolutionKind.NodeJs,
+                "classic": ts.ModuleResolutionKind.Classic,
+            }),
+            paramType: ts.Diagnostics.STRATEGY,
+            category: ts.Diagnostics.Module_Resolution_Options,
+            description: ts.Diagnostics.Specify_module_resolution_strategy_Colon_node_Node_js_or_classic_TypeScript_pre_1_6,
+        },
+        {
+            name: "baseUrl",
+            type: "string",
+            isFilePath: true,
+            category: ts.Diagnostics.Module_Resolution_Options,
+            description: ts.Diagnostics.Base_directory_to_resolve_non_absolute_module_names
+        },
+        {
+            name: "paths",
+            type: "object",
+            isTSConfigOnly: true,
+            category: ts.Diagnostics.Module_Resolution_Options,
+            description: ts.Diagnostics.A_series_of_entries_which_re_map_imports_to_lookup_locations_relative_to_the_baseUrl
+        },
+        {
+            name: "rootDirs",
+            type: "list",
+            isTSConfigOnly: true,
+            element: {
+                name: "rootDirs",
+                type: "string",
+                isFilePath: true
+            },
+            category: ts.Diagnostics.Module_Resolution_Options,
+            description: ts.Diagnostics.List_of_root_folders_whose_combined_content_represents_the_structure_of_the_project_at_runtime
+        },
+        {
+            name: "typeRoots",
+            type: "list",
+            element: {
+                name: "typeRoots",
+                type: "string",
+                isFilePath: true
+            },
+            category: ts.Diagnostics.Module_Resolution_Options,
+            description: ts.Diagnostics.List_of_folders_to_include_type_definitions_from
+        },
+        {
+            name: "types",
+            type: "list",
+            element: {
+                name: "types",
+                type: "string"
+            },
+            showInSimplifiedHelpView: true,
+            category: ts.Diagnostics.Module_Resolution_Options,
+            description: ts.Diagnostics.Type_declaration_files_to_be_included_in_compilation
+        },
+        {
+            name: "allowSyntheticDefaultImports",
+            type: "boolean",
+            category: ts.Diagnostics.Module_Resolution_Options,
+            description: ts.Diagnostics.Allow_default_imports_from_modules_with_no_default_export_This_does_not_affect_code_emit_just_typechecking
+        },
+        {
+            name: "preserveSymlinks",
+            type: "boolean",
+            category: ts.Diagnostics.Module_Resolution_Options,
+            description: ts.Diagnostics.Do_not_resolve_the_real_path_of_symlinks,
+        },
+        {
+            name: "sourceRoot",
+            type: "string",
+            isFilePath: true,
+            paramType: ts.Diagnostics.LOCATION,
+            category: ts.Diagnostics.Source_Map_Options,
+            description: ts.Diagnostics.Specify_the_location_where_debugger_should_locate_TypeScript_files_instead_of_source_locations,
+        },
+        {
+            name: "mapRoot",
+            type: "string",
+            isFilePath: true,
+            paramType: ts.Diagnostics.LOCATION,
+            category: ts.Diagnostics.Source_Map_Options,
+            description: ts.Diagnostics.Specify_the_location_where_debugger_should_locate_map_files_instead_of_generated_locations,
+        },
+        {
+            name: "inlineSourceMap",
+            type: "boolean",
+            category: ts.Diagnostics.Source_Map_Options,
+            description: ts.Diagnostics.Emit_a_single_file_with_source_maps_instead_of_having_a_separate_file
+        },
+        {
+            name: "inlineSources",
+            type: "boolean",
+            category: ts.Diagnostics.Source_Map_Options,
+            description: ts.Diagnostics.Emit_the_source_alongside_the_sourcemaps_within_a_single_file_requires_inlineSourceMap_or_sourceMap_to_be_set
+        },
+        {
+            name: "experimentalDecorators",
+            type: "boolean",
+            category: ts.Diagnostics.Experimental_Options,
+            description: ts.Diagnostics.Enables_experimental_support_for_ES7_decorators
+        },
+        {
+            name: "emitDecoratorMetadata",
+            type: "boolean",
+            category: ts.Diagnostics.Experimental_Options,
+            description: ts.Diagnostics.Enables_experimental_support_for_emitting_type_metadata_for_decorators
+        },
+        {
+            name: "jsxFactory",
+            type: "string",
+            category: ts.Diagnostics.Advanced_Options,
+            description: ts.Diagnostics.Specify_the_JSX_factory_function_to_use_when_targeting_react_JSX_emit_e_g_React_createElement_or_h
+        },
+        {
+            name: "diagnostics",
+            type: "boolean",
+            category: ts.Diagnostics.Advanced_Options,
+            description: ts.Diagnostics.Show_diagnostic_information
+        },
+        {
+            name: "extendedDiagnostics",
+            type: "boolean",
+            category: ts.Diagnostics.Advanced_Options,
+            description: ts.Diagnostics.Show_verbose_diagnostic_information
+        },
+        {
+            name: "traceResolution",
+            type: "boolean",
+            category: ts.Diagnostics.Advanced_Options,
+            description: ts.Diagnostics.Enable_tracing_of_the_name_resolution_process
+        },
+        {
+            name: "listFiles",
+            type: "boolean",
+            category: ts.Diagnostics.Advanced_Options,
+            description: ts.Diagnostics.Print_names_of_files_part_of_the_compilation
+        },
+        {
+            name: "listEmittedFiles",
+            type: "boolean",
+            category: ts.Diagnostics.Advanced_Options,
+            description: ts.Diagnostics.Print_names_of_generated_files_part_of_the_compilation
+        },
+        {
+            name: "out",
+            type: "string",
+            isFilePath: false,
+            category: ts.Diagnostics.Advanced_Options,
+            paramType: ts.Diagnostics.FILE,
+            description: ts.Diagnostics.Deprecated_Use_outFile_instead_Concatenate_and_emit_output_to_single_file,
+        },
+        {
+            name: "reactNamespace",
+            type: "string",
+            category: ts.Diagnostics.Advanced_Options,
+            description: ts.Diagnostics.Deprecated_Use_jsxFactory_instead_Specify_the_object_invoked_for_createElement_when_targeting_react_JSX_emit
+        },
+        {
+            name: "skipDefaultLibCheck",
+            type: "boolean",
+            category: ts.Diagnostics.Advanced_Options,
+            description: ts.Diagnostics.Deprecated_Use_skipLibCheck_instead_Skip_type_checking_of_default_library_declaration_files
+        },
+        {
+            name: "charset",
+            type: "string",
+            category: ts.Diagnostics.Advanced_Options,
+            description: ts.Diagnostics.The_character_set_of_the_input_files
+        },
+        {
+            name: "emitBOM",
+            type: "boolean",
+            category: ts.Diagnostics.Advanced_Options,
+            description: ts.Diagnostics.Emit_a_UTF_8_Byte_Order_Mark_BOM_in_the_beginning_of_output_files
+        },
+        {
+            name: "locale",
+            type: "string",
+            category: ts.Diagnostics.Advanced_Options,
+            description: ts.Diagnostics.The_locale_used_when_displaying_messages_to_the_user_e_g_en_us
+        },
+        {
+            name: "newLine",
+            type: ts.createMapFromTemplate({
+                "crlf": 0,
+                "lf": 1
+            }),
+            paramType: ts.Diagnostics.NEWLINE,
+            category: ts.Diagnostics.Advanced_Options,
+            description: ts.Diagnostics.Specify_the_end_of_line_sequence_to_be_used_when_emitting_files_Colon_CRLF_dos_or_LF_unix,
+        },
+        {
+            name: "noErrorTruncation",
+            type: "boolean",
+            category: ts.Diagnostics.Advanced_Options,
+            description: ts.Diagnostics.Do_not_truncate_error_messages
+        },
+        {
+            name: "noLib",
+            type: "boolean",
+            category: ts.Diagnostics.Advanced_Options,
+            description: ts.Diagnostics.Do_not_include_the_default_library_file_lib_d_ts
+        },
+        {
+            name: "noResolve",
+            type: "boolean",
+            category: ts.Diagnostics.Advanced_Options,
+            description: ts.Diagnostics.Do_not_add_triple_slash_references_or_imported_modules_to_the_list_of_compiled_files
+        },
+        {
+            name: "stripInternal",
+            type: "boolean",
+            category: ts.Diagnostics.Advanced_Options,
+            description: ts.Diagnostics.Do_not_emit_declarations_for_code_that_has_an_internal_annotation,
+        },
+        {
+            name: "disableSizeLimit",
+            type: "boolean",
+            category: ts.Diagnostics.Advanced_Options,
+            description: ts.Diagnostics.Disable_size_limitations_on_JavaScript_projects
+        },
+        {
+            name: "noImplicitUseStrict",
+            type: "boolean",
+            category: ts.Diagnostics.Advanced_Options,
+            description: ts.Diagnostics.Do_not_emit_use_strict_directives_in_module_output
+        },
+        {
+            name: "noEmitHelpers",
+            type: "boolean",
+            category: ts.Diagnostics.Advanced_Options,
+            description: ts.Diagnostics.Do_not_generate_custom_helper_functions_like_extends_in_compiled_output
+        },
+        {
+            name: "noEmitOnError",
+            type: "boolean",
+            category: ts.Diagnostics.Advanced_Options,
+            description: ts.Diagnostics.Do_not_emit_outputs_if_any_errors_were_reported,
+        },
+        {
+            name: "preserveConstEnums",
+            type: "boolean",
+            category: ts.Diagnostics.Advanced_Options,
+            description: ts.Diagnostics.Do_not_erase_const_enum_declarations_in_generated_code
+        },
+        {
+            name: "declarationDir",
+            type: "string",
+            isFilePath: true,
+            paramType: ts.Diagnostics.DIRECTORY,
+            category: ts.Diagnostics.Advanced_Options,
+            description: ts.Diagnostics.Output_directory_for_generated_declaration_files
+        },
+        {
+            name: "skipLibCheck",
+            type: "boolean",
+            category: ts.Diagnostics.Advanced_Options,
+            description: ts.Diagnostics.Skip_type_checking_of_declaration_files,
+        },
+        {
+            name: "allowUnusedLabels",
+            type: "boolean",
+            category: ts.Diagnostics.Advanced_Options,
+            description: ts.Diagnostics.Do_not_report_errors_on_unused_labels
+        },
+        {
+            name: "allowUnreachableCode",
+            type: "boolean",
+            category: ts.Diagnostics.Advanced_Options,
+            description: ts.Diagnostics.Do_not_report_errors_on_unreachable_code
+        },
+        {
+            name: "suppressExcessPropertyErrors",
+            type: "boolean",
+            category: ts.Diagnostics.Advanced_Options,
+            description: ts.Diagnostics.Suppress_excess_property_checks_for_object_literals,
+        },
+        {
+            name: "suppressImplicitAnyIndexErrors",
+            type: "boolean",
+            category: ts.Diagnostics.Advanced_Options,
+            description: ts.Diagnostics.Suppress_noImplicitAny_errors_for_indexing_objects_lacking_index_signatures,
+        },
+        {
+            name: "forceConsistentCasingInFileNames",
+            type: "boolean",
+            category: ts.Diagnostics.Advanced_Options,
+            description: ts.Diagnostics.Disallow_inconsistently_cased_references_to_the_same_file
+        },
+        {
+            name: "maxNodeModuleJsDepth",
+            type: "number",
+            category: ts.Diagnostics.Advanced_Options,
+            description: ts.Diagnostics.The_maximum_dependency_depth_to_search_under_node_modules_and_load_JavaScript_files
+        },
+        {
+            name: "noStrictGenericChecks",
+            type: "boolean",
+            category: ts.Diagnostics.Advanced_Options,
+            description: ts.Diagnostics.Disable_strict_checking_of_generic_signatures_in_function_types,
+        },
+        {
+            name: "plugins",
+            type: "list",
+            isTSConfigOnly: true,
+            element: {
+                name: "plugin",
+                type: "object"
+            },
+            description: ts.Diagnostics.List_of_language_service_plugins
+        }
+    ];
+    ts.typeAcquisitionDeclarations = [
+        {
+            name: "enableAutoDiscovery",
+            type: "boolean",
+        },
+        {
+            name: "enable",
+            type: "boolean",
+        },
+        {
+            name: "include",
+            type: "list",
+            element: {
+                name: "include",
+                type: "string"
+            }
+        },
+        {
+            name: "exclude",
+            type: "list",
+            element: {
+                name: "exclude",
+                type: "string"
+            }
+        }
+    ];
+    ts.defaultInitCompilerOptions = {
+        module: ts.ModuleKind.CommonJS,
+        target: 1,
+        strict: true
+    };
+    var optionNameMapCache;
+    function convertEnableAutoDiscoveryToEnable(typeAcquisition) {
+        if (typeAcquisition && typeAcquisition.enableAutoDiscovery !== undefined && typeAcquisition.enable === undefined) {
+            var result = {
+                enable: typeAcquisition.enableAutoDiscovery,
+                include: typeAcquisition.include || [],
+                exclude: typeAcquisition.exclude || []
+            };
+            return result;
+        }
+        return typeAcquisition;
+    }
+    ts.convertEnableAutoDiscoveryToEnable = convertEnableAutoDiscoveryToEnable;
+    function getOptionNameMap() {
+        if (optionNameMapCache) {
+            return optionNameMapCache;
+        }
+        var optionNameMap = ts.createMap();
+        var shortOptionNames = ts.createMap();
+        ts.forEach(ts.optionDeclarations, function (option) {
+            optionNameMap.set(option.name.toLowerCase(), option);
+            if (option.shortName) {
+                shortOptionNames.set(option.shortName, option.name);
+            }
+        });
+        optionNameMapCache = { optionNameMap: optionNameMap, shortOptionNames: shortOptionNames };
+        return optionNameMapCache;
+    }
+    function createCompilerDiagnosticForInvalidCustomType(opt) {
+        return createDiagnosticForInvalidCustomType(opt, ts.createCompilerDiagnostic);
+    }
+    ts.createCompilerDiagnosticForInvalidCustomType = createCompilerDiagnosticForInvalidCustomType;
+    function createDiagnosticForInvalidCustomType(opt, createDiagnostic) {
+        var namesOfType = ts.arrayFrom(opt.type.keys()).map(function (key) { return "'" + key + "'"; }).join(", ");
+        return createDiagnostic(ts.Diagnostics.Argument_for_0_option_must_be_Colon_1, "--" + opt.name, namesOfType);
+    }
+    function parseCustomTypeOption(opt, value, errors) {
+        return convertJsonOptionOfCustomType(opt, trimString(value || ""), errors);
+    }
+    ts.parseCustomTypeOption = parseCustomTypeOption;
+    function parseListTypeOption(opt, value, errors) {
+        if (value === void 0) { value = ""; }
+        value = trimString(value);
+        if (ts.startsWith(value, "-")) {
+            return undefined;
+        }
+        if (value === "") {
+            return [];
+        }
+        var values = value.split(",");
+        switch (opt.element.type) {
+            case "number":
+                return ts.map(values, parseInt);
+            case "string":
+                return ts.map(values, function (v) { return v || ""; });
+            default:
+                return ts.filter(ts.map(values, function (v) { return parseCustomTypeOption(opt.element, v, errors); }), function (v) { return !!v; });
+        }
+    }
+    ts.parseListTypeOption = parseListTypeOption;
+    function parseCommandLine(commandLine, readFile) {
+        var options = {};
+        var fileNames = [];
+        var errors = [];
+        parseStrings(commandLine);
+        return {
+            options: options,
+            fileNames: fileNames,
+            errors: errors
+        };
+        function parseStrings(args) {
+            var i = 0;
+            while (i < args.length) {
+                var s = args[i];
+                i++;
+                if (s.charCodeAt(0) === 64) {
+                    parseResponseFile(s.slice(1));
+                }
+                else if (s.charCodeAt(0) === 45) {
+                    var opt = getOptionFromName(s.slice(s.charCodeAt(1) === 45 ? 2 : 1), true);
+                    if (opt) {
+                        if (opt.isTSConfigOnly) {
+                            errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_can_only_be_specified_in_tsconfig_json_file, opt.name));
+                        }
+                        else {
+                            if (!args[i] && opt.type !== "boolean") {
+                                errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Compiler_option_0_expects_an_argument, opt.name));
+                            }
+                            switch (opt.type) {
+                                case "number":
+                                    options[opt.name] = parseInt(args[i]);
+                                    i++;
+                                    break;
+                                case "boolean":
+                                    var optValue = args[i];
+                                    options[opt.name] = optValue !== "false";
+                                    if (optValue === "false" || optValue === "true") {
+                                        i++;
+                                    }
+                                    break;
+                                case "string":
+                                    options[opt.name] = args[i] || "";
+                                    i++;
+                                    break;
+                                case "list":
+                                    var result = parseListTypeOption(opt, args[i], errors);
+                                    options[opt.name] = result || [];
+                                    if (result) {
+                                        i++;
+                                    }
+                                    break;
+                                default:
+                                    options[opt.name] = parseCustomTypeOption(opt, args[i], errors);
+                                    i++;
+                                    break;
+                            }
+                        }
+                    }
+                    else {
+                        errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Unknown_compiler_option_0, s));
+                    }
+                }
+                else {
+                    fileNames.push(s);
+                }
+            }
+        }
+        function parseResponseFile(fileName) {
+            var text = readFile ? readFile(fileName) : ts.sys.readFile(fileName);
+            if (!text) {
+                errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.File_0_not_found, fileName));
+                return;
+            }
+            var args = [];
+            var pos = 0;
+            while (true) {
+                while (pos < text.length && text.charCodeAt(pos) <= 32)
+                    pos++;
+                if (pos >= text.length)
+                    break;
+                var start = pos;
+                if (text.charCodeAt(start) === 34) {
+                    pos++;
+                    while (pos < text.length && text.charCodeAt(pos) !== 34)
+                        pos++;
+                    if (pos < text.length) {
+                        args.push(text.substring(start + 1, pos));
+                        pos++;
+                    }
+                    else {
+                        errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Unterminated_quoted_string_in_response_file_0, fileName));
+                    }
+                }
+                else {
+                    while (text.charCodeAt(pos) > 32)
+                        pos++;
+                    args.push(text.substring(start, pos));
+                }
+            }
+            parseStrings(args);
+        }
+    }
+    ts.parseCommandLine = parseCommandLine;
+    function getOptionFromName(optionName, allowShort) {
+        if (allowShort === void 0) { allowShort = false; }
+        optionName = optionName.toLowerCase();
+        var _a = getOptionNameMap(), optionNameMap = _a.optionNameMap, shortOptionNames = _a.shortOptionNames;
+        if (allowShort) {
+            var short = shortOptionNames.get(optionName);
+            if (short !== undefined) {
+                optionName = short;
+            }
+        }
+        return optionNameMap.get(optionName);
+    }
+    function readConfigFile(fileName, readFile) {
+        var textOrDiagnostic = tryReadFile(fileName, readFile);
+        return typeof textOrDiagnostic === "string" ? parseConfigFileTextToJson(fileName, textOrDiagnostic) : { config: {}, error: textOrDiagnostic };
+    }
+    ts.readConfigFile = readConfigFile;
+    function parseConfigFileTextToJson(fileName, jsonText) {
+        var jsonSourceFile = ts.parseJsonText(fileName, jsonText);
+        return {
+            config: convertToObject(jsonSourceFile, jsonSourceFile.parseDiagnostics),
+            error: jsonSourceFile.parseDiagnostics.length ? jsonSourceFile.parseDiagnostics[0] : undefined
+        };
+    }
+    ts.parseConfigFileTextToJson = parseConfigFileTextToJson;
+    function readJsonConfigFile(fileName, readFile) {
+        var textOrDiagnostic = tryReadFile(fileName, readFile);
+        return typeof textOrDiagnostic === "string" ? ts.parseJsonText(fileName, textOrDiagnostic) : { parseDiagnostics: [textOrDiagnostic] };
+    }
+    ts.readJsonConfigFile = readJsonConfigFile;
+    function tryReadFile(fileName, readFile) {
+        var text;
+        try {
+            text = readFile(fileName);
+        }
+        catch (e) {
+            return ts.createCompilerDiagnostic(ts.Diagnostics.Cannot_read_file_0_Colon_1, fileName, e.message);
+        }
+        return text === undefined ? ts.createCompilerDiagnostic(ts.Diagnostics.The_specified_path_does_not_exist_Colon_0, fileName) : text;
+    }
+    function commandLineOptionsToMap(options) {
+        return ts.arrayToMap(options, function (option) { return option.name; });
+    }
+    var _tsconfigRootOptions;
+    function getTsconfigRootOptionsMap() {
+        if (_tsconfigRootOptions === undefined) {
+            _tsconfigRootOptions = commandLineOptionsToMap([
+                {
+                    name: "compilerOptions",
+                    type: "object",
+                    elementOptions: commandLineOptionsToMap(ts.optionDeclarations),
+                    extraKeyDiagnosticMessage: ts.Diagnostics.Unknown_compiler_option_0
+                },
+                {
+                    name: "typingOptions",
+                    type: "object",
+                    elementOptions: commandLineOptionsToMap(ts.typeAcquisitionDeclarations),
+                    extraKeyDiagnosticMessage: ts.Diagnostics.Unknown_type_acquisition_option_0
+                },
+                {
+                    name: "typeAcquisition",
+                    type: "object",
+                    elementOptions: commandLineOptionsToMap(ts.typeAcquisitionDeclarations),
+                    extraKeyDiagnosticMessage: ts.Diagnostics.Unknown_type_acquisition_option_0
+                },
+                {
+                    name: "extends",
+                    type: "string"
+                },
+                {
+                    name: "files",
+                    type: "list",
+                    element: {
+                        name: "files",
+                        type: "string"
+                    }
+                },
+                {
+                    name: "include",
+                    type: "list",
+                    element: {
+                        name: "include",
+                        type: "string"
+                    }
+                },
+                {
+                    name: "exclude",
+                    type: "list",
+                    element: {
+                        name: "exclude",
+                        type: "string"
+                    }
+                },
+                ts.compileOnSaveCommandLineOption
+            ]);
+        }
+        return _tsconfigRootOptions;
+    }
+    function convertToObject(sourceFile, errors) {
+        return convertToObjectWorker(sourceFile, errors, undefined, undefined);
+    }
+    ts.convertToObject = convertToObject;
+    function convertToObjectWorker(sourceFile, errors, knownRootOptions, jsonConversionNotifier) {
+        if (!sourceFile.jsonObject) {
+            return {};
+        }
+        return convertObjectLiteralExpressionToJson(sourceFile.jsonObject, knownRootOptions, undefined, undefined);
+        function convertObjectLiteralExpressionToJson(node, knownOptions, extraKeyDiagnosticMessage, parentOption) {
+            var result = {};
+            for (var _i = 0, _a = node.properties; _i < _a.length; _i++) {
+                var element = _a[_i];
+                if (element.kind !== 261) {
+                    errors.push(ts.createDiagnosticForNodeInSourceFile(sourceFile, element, ts.Diagnostics.Property_assignment_expected));
+                    continue;
+                }
+                if (element.questionToken) {
+                    errors.push(ts.createDiagnosticForNodeInSourceFile(sourceFile, element.questionToken, ts.Diagnostics._0_can_only_be_used_in_a_ts_file, "?"));
+                }
+                if (!isDoubleQuotedString(element.name)) {
+                    errors.push(ts.createDiagnosticForNodeInSourceFile(sourceFile, element.name, ts.Diagnostics.String_literal_with_double_quotes_expected));
+                }
+                var keyText = ts.unescapeLeadingUnderscores(ts.getTextOfPropertyName(element.name));
+                var option = knownOptions ? knownOptions.get(keyText) : undefined;
+                if (extraKeyDiagnosticMessage && !option) {
+                    errors.push(ts.createDiagnosticForNodeInSourceFile(sourceFile, element.name, extraKeyDiagnosticMessage, keyText));
+                }
+                var value = convertPropertyValueToJson(element.initializer, option);
+                if (typeof keyText !== "undefined" && typeof value !== "undefined") {
+                    result[keyText] = value;
+                    if (jsonConversionNotifier &&
+                        (parentOption || knownOptions === knownRootOptions)) {
+                        var isValidOptionValue = isCompilerOptionsValue(option, value);
+                        if (parentOption) {
+                            if (isValidOptionValue) {
+                                jsonConversionNotifier.onSetValidOptionKeyValueInParent(parentOption, option, value);
+                            }
+                        }
+                        else if (knownOptions === knownRootOptions) {
+                            if (isValidOptionValue) {
+                                jsonConversionNotifier.onSetValidOptionKeyValueInRoot(keyText, element.name, value, element.initializer);
+                            }
+                            else if (!option) {
+                                jsonConversionNotifier.onSetUnknownOptionKeyValueInRoot(keyText, element.name, value, element.initializer);
+                            }
+                        }
+                    }
+                }
+            }
+            return result;
+        }
+        function convertArrayLiteralExpressionToJson(elements, elementOption) {
+            return elements.map(function (element) { return convertPropertyValueToJson(element, elementOption); });
+        }
+        function convertPropertyValueToJson(valueExpression, option) {
+            switch (valueExpression.kind) {
+                case 101:
+                    reportInvalidOptionValue(option && option.type !== "boolean");
+                    return true;
+                case 86:
+                    reportInvalidOptionValue(option && option.type !== "boolean");
+                    return false;
+                case 95:
+                    reportInvalidOptionValue(!!option);
+                    return null;
+                case 9:
+                    if (!isDoubleQuotedString(valueExpression)) {
+                        errors.push(ts.createDiagnosticForNodeInSourceFile(sourceFile, valueExpression, ts.Diagnostics.String_literal_with_double_quotes_expected));
+                    }
+                    reportInvalidOptionValue(option && (typeof option.type === "string" && option.type !== "string"));
+                    var text = valueExpression.text;
+                    if (option && typeof option.type !== "string") {
+                        var customOption = option;
+                        if (!customOption.type.has(text.toLowerCase())) {
+                            errors.push(createDiagnosticForInvalidCustomType(customOption, function (message, arg0, arg1) { return ts.createDiagnosticForNodeInSourceFile(sourceFile, valueExpression, message, arg0, arg1); }));
+                        }
+                    }
+                    return text;
+                case 8:
+                    reportInvalidOptionValue(option && option.type !== "number");
+                    return Number(valueExpression.text);
+                case 178:
+                    reportInvalidOptionValue(option && option.type !== "object");
+                    var objectLiteralExpression = valueExpression;
+                    if (option) {
+                        var _a = option, elementOptions = _a.elementOptions, extraKeyDiagnosticMessage = _a.extraKeyDiagnosticMessage, optionName = _a.name;
+                        return convertObjectLiteralExpressionToJson(objectLiteralExpression, elementOptions, extraKeyDiagnosticMessage, optionName);
+                    }
+                    else {
+                        return convertObjectLiteralExpressionToJson(objectLiteralExpression, undefined, undefined, undefined);
+                    }
+                case 177:
+                    reportInvalidOptionValue(option && option.type !== "list");
+                    return convertArrayLiteralExpressionToJson(valueExpression.elements, option && option.element);
+            }
+            if (option) {
+                reportInvalidOptionValue(true);
+            }
+            else {
+                errors.push(ts.createDiagnosticForNodeInSourceFile(sourceFile, valueExpression, ts.Diagnostics.Property_value_can_only_be_string_literal_numeric_literal_true_false_null_object_literal_or_array_literal));
+            }
+            return undefined;
+            function reportInvalidOptionValue(isError) {
+                if (isError) {
+                    errors.push(ts.createDiagnosticForNodeInSourceFile(sourceFile, valueExpression, ts.Diagnostics.Compiler_option_0_requires_a_value_of_type_1, option.name, getCompilerOptionValueTypeString(option)));
+                }
+            }
+        }
+        function isDoubleQuotedString(node) {
+            return node.kind === 9 && ts.getSourceTextOfNodeFromSourceFile(sourceFile, node).charCodeAt(0) === 34;
+        }
+    }
+    function getCompilerOptionValueTypeString(option) {
+        return option.type === "list" ?
+            "Array" :
+            typeof option.type === "string" ? option.type : "string";
+    }
+    function isCompilerOptionsValue(option, value) {
+        if (option) {
+            if (option.type === "list") {
+                return ts.isArray(value);
+            }
+            var expectedType = typeof option.type === "string" ? option.type : "string";
+            return typeof value === expectedType;
+        }
+    }
+    function generateTSConfig(options, fileNames, newLine) {
+        var compilerOptions = ts.extend(options, ts.defaultInitCompilerOptions);
+        var compilerOptionsMap = serializeCompilerOptions(compilerOptions);
+        return writeConfigurations();
+        function getCustomTypeMapOfCommandLineOption(optionDefinition) {
+            if (optionDefinition.type === "string" || optionDefinition.type === "number" || optionDefinition.type === "boolean") {
+                return undefined;
+            }
+            else if (optionDefinition.type === "list") {
+                return getCustomTypeMapOfCommandLineOption(optionDefinition.element);
+            }
+            else {
+                return optionDefinition.type;
+            }
+        }
+        function getNameOfCompilerOptionValue(value, customTypeMap) {
+            return ts.forEachEntry(customTypeMap, function (mapValue, key) {
+                if (mapValue === value) {
+                    return key;
+                }
+            });
+        }
+        function serializeCompilerOptions(options) {
+            var result = ts.createMap();
+            var optionsNameMap = getOptionNameMap().optionNameMap;
+            var _loop_3 = function (name) {
+                if (ts.hasProperty(options, name)) {
+                    if (optionsNameMap.has(name) && optionsNameMap.get(name).category === ts.Diagnostics.Command_line_Options) {
+                        return "continue";
+                    }
+                    var value = options[name];
+                    var optionDefinition = optionsNameMap.get(name.toLowerCase());
+                    if (optionDefinition) {
+                        var customTypeMap_1 = getCustomTypeMapOfCommandLineOption(optionDefinition);
+                        if (!customTypeMap_1) {
+                            result.set(name, value);
+                        }
+                        else {
+                            if (optionDefinition.type === "list") {
+                                result.set(name, value.map(function (element) { return getNameOfCompilerOptionValue(element, customTypeMap_1); }));
+                            }
+                            else {
+                                result.set(name, getNameOfCompilerOptionValue(value, customTypeMap_1));
+                            }
+                        }
+                    }
+                }
+            };
+            for (var name in options) {
+                _loop_3(name);
+            }
+            return result;
+        }
+        function getDefaultValueForOption(option) {
+            switch (option.type) {
+                case "number":
+                    return 1;
+                case "boolean":
+                    return true;
+                case "string":
+                    return option.isFilePath ? "./" : "";
+                case "list":
+                    return [];
+                case "object":
+                    return {};
+                default:
+                    return option.type.keys().next().value;
+            }
+        }
+        function makePadding(paddingLength) {
+            return Array(paddingLength + 1).join(" ");
+        }
+        function writeConfigurations() {
+            var categorizedOptions = ts.createMultiMap();
+            for (var _i = 0, optionDeclarations_1 = ts.optionDeclarations; _i < optionDeclarations_1.length; _i++) {
+                var option = optionDeclarations_1[_i];
+                var category = option.category;
+                if (category !== undefined && category !== ts.Diagnostics.Command_line_Options && category !== ts.Diagnostics.Advanced_Options) {
+                    categorizedOptions.add(ts.getLocaleSpecificMessage(category), option);
+                }
+            }
+            var marginLength = 0;
+            var seenKnownKeys = 0;
+            var nameColumn = [];
+            var descriptionColumn = [];
+            categorizedOptions.forEach(function (options, category) {
+                if (nameColumn.length !== 0) {
+                    nameColumn.push("");
+                    descriptionColumn.push("");
+                }
+                nameColumn.push("/* " + category + " */");
+                descriptionColumn.push("");
+                for (var _i = 0, options_1 = options; _i < options_1.length; _i++) {
+                    var option = options_1[_i];
+                    var optionName = void 0;
+                    if (compilerOptionsMap.has(option.name)) {
+                        optionName = "\"" + option.name + "\": " + JSON.stringify(compilerOptionsMap.get(option.name)) + ((seenKnownKeys += 1) === compilerOptionsMap.size ? "" : ",");
+                    }
+                    else {
+                        optionName = "// \"" + option.name + "\": " + JSON.stringify(getDefaultValueForOption(option)) + ",";
+                    }
+                    nameColumn.push(optionName);
+                    descriptionColumn.push("/* " + (option.description && ts.getLocaleSpecificMessage(option.description) || option.name) + " */");
+                    marginLength = Math.max(optionName.length, marginLength);
+                }
+            });
+            var tab = makePadding(2);
+            var result = [];
+            result.push("{");
+            result.push(tab + "\"compilerOptions\": {");
+            for (var i = 0; i < nameColumn.length; i++) {
+                var optionName = nameColumn[i];
+                var description = descriptionColumn[i];
+                result.push(optionName && "" + tab + tab + optionName + (description && (makePadding(marginLength - optionName.length + 2) + description)));
+            }
+            if (fileNames.length) {
+                result.push(tab + "},");
+                result.push(tab + "\"files\": [");
+                for (var i = 0; i < fileNames.length; i++) {
+                    result.push("" + tab + tab + JSON.stringify(fileNames[i]) + (i === fileNames.length - 1 ? "" : ","));
+                }
+                result.push(tab + "]");
+            }
+            else {
+                result.push(tab + "}");
+            }
+            result.push("}");
+            return result.join(newLine);
+        }
+    }
+    ts.generateTSConfig = generateTSConfig;
+    function parseJsonConfigFileContent(json, host, basePath, existingOptions, configFileName, resolutionStack, extraFileExtensions) {
+        return parseJsonConfigFileContentWorker(json, undefined, host, basePath, existingOptions, configFileName, resolutionStack, extraFileExtensions);
+    }
+    ts.parseJsonConfigFileContent = parseJsonConfigFileContent;
+    function parseJsonSourceFileConfigFileContent(sourceFile, host, basePath, existingOptions, configFileName, resolutionStack, extraFileExtensions) {
+        return parseJsonConfigFileContentWorker(undefined, sourceFile, host, basePath, existingOptions, configFileName, resolutionStack, extraFileExtensions);
+    }
+    ts.parseJsonSourceFileConfigFileContent = parseJsonSourceFileConfigFileContent;
+    function setConfigFileInOptions(options, configFile) {
+        if (configFile) {
+            Object.defineProperty(options, "configFile", { enumerable: false, writable: false, value: configFile });
+        }
+    }
+    ts.setConfigFileInOptions = setConfigFileInOptions;
+    function parseJsonConfigFileContentWorker(json, sourceFile, host, basePath, existingOptions, configFileName, resolutionStack, extraFileExtensions) {
+        if (existingOptions === void 0) { existingOptions = {}; }
+        if (resolutionStack === void 0) { resolutionStack = []; }
+        if (extraFileExtensions === void 0) { extraFileExtensions = []; }
+        ts.Debug.assert((json === undefined && sourceFile !== undefined) || (json !== undefined && sourceFile === undefined));
+        var errors = [];
+        var parsedConfig = parseConfig(json, sourceFile, host, basePath, configFileName, resolutionStack, errors);
+        var raw = parsedConfig.raw;
+        var options = ts.extend(existingOptions, parsedConfig.options || {});
+        options.configFilePath = configFileName;
+        setConfigFileInOptions(options, sourceFile);
+        var _a = getFileNames(), fileNames = _a.fileNames, wildcardDirectories = _a.wildcardDirectories;
+        return {
+            options: options,
+            fileNames: fileNames,
+            typeAcquisition: parsedConfig.typeAcquisition || getDefaultTypeAcquisition(),
+            raw: raw,
+            errors: errors,
+            wildcardDirectories: wildcardDirectories,
+            compileOnSave: !!raw.compileOnSave
+        };
+        function getFileNames() {
+            var fileNames;
+            if (ts.hasProperty(raw, "files")) {
+                if (ts.isArray(raw["files"])) {
+                    fileNames = raw["files"];
+                    if (fileNames.length === 0) {
+                        createCompilerDiagnosticOnlyIfJson(ts.Diagnostics.The_files_list_in_config_file_0_is_empty, configFileName || "tsconfig.json");
+                    }
+                }
+                else {
+                    createCompilerDiagnosticOnlyIfJson(ts.Diagnostics.Compiler_option_0_requires_a_value_of_type_1, "files", "Array");
+                }
+            }
+            var includeSpecs;
+            if (ts.hasProperty(raw, "include")) {
+                if (ts.isArray(raw["include"])) {
+                    includeSpecs = raw["include"];
+                }
+                else {
+                    createCompilerDiagnosticOnlyIfJson(ts.Diagnostics.Compiler_option_0_requires_a_value_of_type_1, "include", "Array");
+                }
+            }
+            var excludeSpecs;
+            if (ts.hasProperty(raw, "exclude")) {
+                if (ts.isArray(raw["exclude"])) {
+                    excludeSpecs = raw["exclude"];
+                }
+                else {
+                    createCompilerDiagnosticOnlyIfJson(ts.Diagnostics.Compiler_option_0_requires_a_value_of_type_1, "exclude", "Array");
+                }
+            }
+            else {
+                var outDir = raw["compilerOptions"] && raw["compilerOptions"]["outDir"];
+                if (outDir) {
+                    excludeSpecs = [outDir];
+                }
+            }
+            if (fileNames === undefined && includeSpecs === undefined) {
+                includeSpecs = ["**/*"];
+            }
+            var result = matchFileNames(fileNames, includeSpecs, excludeSpecs, basePath, options, host, errors, extraFileExtensions, sourceFile);
+            if (result.fileNames.length === 0 && !ts.hasProperty(raw, "files") && resolutionStack.length === 0) {
+                errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.No_inputs_were_found_in_config_file_0_Specified_include_paths_were_1_and_exclude_paths_were_2, configFileName || "tsconfig.json", JSON.stringify(includeSpecs || []), JSON.stringify(excludeSpecs || [])));
+            }
+            return result;
+        }
+        function createCompilerDiagnosticOnlyIfJson(message, arg0, arg1) {
+            if (!sourceFile) {
+                errors.push(ts.createCompilerDiagnostic(message, arg0, arg1));
+            }
+        }
+    }
+    function isSuccessfulParsedTsconfig(value) {
+        return !!value.options;
+    }
+    function parseConfig(json, sourceFile, host, basePath, configFileName, resolutionStack, errors) {
+        basePath = ts.normalizeSlashes(basePath);
+        var getCanonicalFileName = ts.createGetCanonicalFileName(host.useCaseSensitiveFileNames);
+        var resolvedPath = ts.toPath(configFileName || "", basePath, getCanonicalFileName);
+        if (resolutionStack.indexOf(resolvedPath) >= 0) {
+            errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Circularity_detected_while_resolving_configuration_Colon_0, resolutionStack.concat([resolvedPath]).join(" -> ")));
+            return { raw: json || convertToObject(sourceFile, errors) };
+        }
+        var ownConfig = json ?
+            parseOwnConfigOfJson(json, host, basePath, getCanonicalFileName, configFileName, errors) :
+            parseOwnConfigOfJsonSourceFile(sourceFile, host, basePath, getCanonicalFileName, configFileName, errors);
+        if (ownConfig.extendedConfigPath) {
+            resolutionStack = resolutionStack.concat([resolvedPath]);
+            var extendedConfig = getExtendedConfig(sourceFile, ownConfig.extendedConfigPath, host, basePath, getCanonicalFileName, resolutionStack, errors);
+            if (extendedConfig && isSuccessfulParsedTsconfig(extendedConfig)) {
+                var baseRaw_1 = extendedConfig.raw;
+                var raw_1 = ownConfig.raw;
+                var setPropertyInRawIfNotUndefined = function (propertyName) {
+                    var value = raw_1[propertyName] || baseRaw_1[propertyName];
+                    if (value) {
+                        raw_1[propertyName] = value;
+                    }
+                };
+                setPropertyInRawIfNotUndefined("include");
+                setPropertyInRawIfNotUndefined("exclude");
+                setPropertyInRawIfNotUndefined("files");
+                if (raw_1.compileOnSave === undefined) {
+                    raw_1.compileOnSave = baseRaw_1.compileOnSave;
+                }
+                ownConfig.options = ts.assign({}, extendedConfig.options, ownConfig.options);
+            }
+        }
+        return ownConfig;
+    }
+    function parseOwnConfigOfJson(json, host, basePath, getCanonicalFileName, configFileName, errors) {
+        if (ts.hasProperty(json, "excludes")) {
+            errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Unknown_option_excludes_Did_you_mean_exclude));
+        }
+        var options = convertCompilerOptionsFromJsonWorker(json.compilerOptions, basePath, errors, configFileName);
+        var typeAcquisition = convertTypeAcquisitionFromJsonWorker(json["typeAcquisition"] || json["typingOptions"], basePath, errors, configFileName);
+        json.compileOnSave = convertCompileOnSaveOptionFromJson(json, basePath, errors);
+        var extendedConfigPath;
+        if (json.extends) {
+            if (typeof json.extends !== "string") {
+                errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Compiler_option_0_requires_a_value_of_type_1, "extends", "string"));
+            }
+            else {
+                extendedConfigPath = getExtendsConfigPath(json.extends, host, basePath, getCanonicalFileName, errors, ts.createCompilerDiagnostic);
+            }
+        }
+        return { raw: json, options: options, typeAcquisition: typeAcquisition, extendedConfigPath: extendedConfigPath };
+    }
+    function parseOwnConfigOfJsonSourceFile(sourceFile, host, basePath, getCanonicalFileName, configFileName, errors) {
+        var options = getDefaultCompilerOptions(configFileName);
+        var typeAcquisition, typingOptionstypeAcquisition;
+        var extendedConfigPath;
+        var optionsIterator = {
+            onSetValidOptionKeyValueInParent: function (parentOption, option, value) {
+                ts.Debug.assert(parentOption === "compilerOptions" || parentOption === "typeAcquisition" || parentOption === "typingOptions");
+                var currentOption = parentOption === "compilerOptions" ?
+                    options :
+                    parentOption === "typeAcquisition" ?
+                        (typeAcquisition || (typeAcquisition = getDefaultTypeAcquisition(configFileName))) :
+                        (typingOptionstypeAcquisition || (typingOptionstypeAcquisition = getDefaultTypeAcquisition(configFileName)));
+                currentOption[option.name] = normalizeOptionValue(option, basePath, value);
+            },
+            onSetValidOptionKeyValueInRoot: function (key, _keyNode, value, valueNode) {
+                switch (key) {
+                    case "extends":
+                        extendedConfigPath = getExtendsConfigPath(value, host, basePath, getCanonicalFileName, errors, function (message, arg0) {
+                            return ts.createDiagnosticForNodeInSourceFile(sourceFile, valueNode, message, arg0);
+                        });
+                        return;
+                    case "files":
+                        if (value.length === 0) {
+                            errors.push(ts.createDiagnosticForNodeInSourceFile(sourceFile, valueNode, ts.Diagnostics.The_files_list_in_config_file_0_is_empty, configFileName || "tsconfig.json"));
+                        }
+                        return;
+                }
+            },
+            onSetUnknownOptionKeyValueInRoot: function (key, keyNode, _value, _valueNode) {
+                if (key === "excludes") {
+                    errors.push(ts.createDiagnosticForNodeInSourceFile(sourceFile, keyNode, ts.Diagnostics.Unknown_option_excludes_Did_you_mean_exclude));
+                }
+            }
+        };
+        var json = convertToObjectWorker(sourceFile, errors, getTsconfigRootOptionsMap(), optionsIterator);
+        if (!typeAcquisition) {
+            if (typingOptionstypeAcquisition) {
+                typeAcquisition = (typingOptionstypeAcquisition.enableAutoDiscovery !== undefined) ?
+                    {
+                        enable: typingOptionstypeAcquisition.enableAutoDiscovery,
+                        include: typingOptionstypeAcquisition.include,
+                        exclude: typingOptionstypeAcquisition.exclude
+                    } :
+                    typingOptionstypeAcquisition;
+            }
+            else {
+                typeAcquisition = getDefaultTypeAcquisition(configFileName);
+            }
+        }
+        return { raw: json, options: options, typeAcquisition: typeAcquisition, extendedConfigPath: extendedConfigPath };
+    }
+    function getExtendsConfigPath(extendedConfig, host, basePath, getCanonicalFileName, errors, createDiagnostic) {
+        extendedConfig = ts.normalizeSlashes(extendedConfig);
+        if (!(ts.isRootedDiskPath(extendedConfig) || ts.startsWith(extendedConfig, "./") || ts.startsWith(extendedConfig, "../"))) {
+            errors.push(createDiagnostic(ts.Diagnostics.A_path_in_an_extends_option_must_be_relative_or_rooted_but_0_is_not, extendedConfig));
+            return undefined;
+        }
+        var extendedConfigPath = ts.toPath(extendedConfig, basePath, getCanonicalFileName);
+        if (!host.fileExists(extendedConfigPath) && !ts.endsWith(extendedConfigPath, ".json")) {
+            extendedConfigPath = extendedConfigPath + ".json";
+            if (!host.fileExists(extendedConfigPath)) {
+                errors.push(createDiagnostic(ts.Diagnostics.File_0_does_not_exist, extendedConfig));
+                return undefined;
+            }
+        }
+        return extendedConfigPath;
+    }
+    function getExtendedConfig(sourceFile, extendedConfigPath, host, basePath, getCanonicalFileName, resolutionStack, errors) {
+        var extendedResult = readJsonConfigFile(extendedConfigPath, function (path) { return host.readFile(path); });
+        if (sourceFile) {
+            (sourceFile.extendedSourceFiles || (sourceFile.extendedSourceFiles = [])).push(extendedResult.fileName);
+        }
+        if (extendedResult.parseDiagnostics.length) {
+            errors.push.apply(errors, extendedResult.parseDiagnostics);
+            return undefined;
+        }
+        var extendedDirname = ts.getDirectoryPath(extendedConfigPath);
+        var extendedConfig = parseConfig(undefined, extendedResult, host, extendedDirname, ts.getBaseFileName(extendedConfigPath), resolutionStack, errors);
+        if (sourceFile) {
+            (_a = sourceFile.extendedSourceFiles).push.apply(_a, extendedResult.extendedSourceFiles);
+        }
+        if (isSuccessfulParsedTsconfig(extendedConfig)) {
+            var relativeDifference_1 = ts.convertToRelativePath(extendedDirname, basePath, getCanonicalFileName);
+            var updatePath_1 = function (path) { return ts.isRootedDiskPath(path) ? path : ts.combinePaths(relativeDifference_1, path); };
+            var mapPropertiesInRawIfNotUndefined = function (propertyName) {
+                if (raw_2[propertyName]) {
+                    raw_2[propertyName] = ts.map(raw_2[propertyName], updatePath_1);
+                }
+            };
+            var raw_2 = extendedConfig.raw;
+            mapPropertiesInRawIfNotUndefined("include");
+            mapPropertiesInRawIfNotUndefined("exclude");
+            mapPropertiesInRawIfNotUndefined("files");
+        }
+        return extendedConfig;
+        var _a;
+    }
+    function convertCompileOnSaveOptionFromJson(jsonOption, basePath, errors) {
+        if (!ts.hasProperty(jsonOption, ts.compileOnSaveCommandLineOption.name)) {
+            return undefined;
+        }
+        var result = convertJsonOption(ts.compileOnSaveCommandLineOption, jsonOption["compileOnSave"], basePath, errors);
+        if (typeof result === "boolean" && result) {
+            return result;
+        }
+        return false;
+    }
+    function convertCompilerOptionsFromJson(jsonOptions, basePath, configFileName) {
+        var errors = [];
+        var options = convertCompilerOptionsFromJsonWorker(jsonOptions, basePath, errors, configFileName);
+        return { options: options, errors: errors };
+    }
+    ts.convertCompilerOptionsFromJson = convertCompilerOptionsFromJson;
+    function convertTypeAcquisitionFromJson(jsonOptions, basePath, configFileName) {
+        var errors = [];
+        var options = convertTypeAcquisitionFromJsonWorker(jsonOptions, basePath, errors, configFileName);
+        return { options: options, errors: errors };
+    }
+    ts.convertTypeAcquisitionFromJson = convertTypeAcquisitionFromJson;
+    function getDefaultCompilerOptions(configFileName) {
+        var options = ts.getBaseFileName(configFileName) === "jsconfig.json"
+            ? { allowJs: true, maxNodeModuleJsDepth: 2, allowSyntheticDefaultImports: true, skipLibCheck: true }
+            : {};
+        return options;
+    }
+    function convertCompilerOptionsFromJsonWorker(jsonOptions, basePath, errors, configFileName) {
+        var options = getDefaultCompilerOptions(configFileName);
+        convertOptionsFromJson(ts.optionDeclarations, jsonOptions, basePath, options, ts.Diagnostics.Unknown_compiler_option_0, errors);
+        return options;
+    }
+    function getDefaultTypeAcquisition(configFileName) {
+        var options = { enable: ts.getBaseFileName(configFileName) === "jsconfig.json", include: [], exclude: [] };
+        return options;
+    }
+    function convertTypeAcquisitionFromJsonWorker(jsonOptions, basePath, errors, configFileName) {
+        var options = getDefaultTypeAcquisition(configFileName);
+        var typeAcquisition = convertEnableAutoDiscoveryToEnable(jsonOptions);
+        convertOptionsFromJson(ts.typeAcquisitionDeclarations, typeAcquisition, basePath, options, ts.Diagnostics.Unknown_type_acquisition_option_0, errors);
+        return options;
+    }
+    function convertOptionsFromJson(optionDeclarations, jsonOptions, basePath, defaultOptions, diagnosticMessage, errors) {
+        if (!jsonOptions) {
+            return;
+        }
+        var optionNameMap = commandLineOptionsToMap(optionDeclarations);
+        for (var id in jsonOptions) {
+            var opt = optionNameMap.get(id);
+            if (opt) {
+                defaultOptions[opt.name] = convertJsonOption(opt, jsonOptions[id], basePath, errors);
+            }
+            else {
+                errors.push(ts.createCompilerDiagnostic(diagnosticMessage, id));
+            }
+        }
+    }
+    function convertJsonOption(opt, value, basePath, errors) {
+        if (isCompilerOptionsValue(opt, value)) {
+            var optType = opt.type;
+            if (optType === "list" && ts.isArray(value)) {
+                return convertJsonOptionOfListType(opt, value, basePath, errors);
+            }
+            else if (typeof optType !== "string") {
+                return convertJsonOptionOfCustomType(opt, value, errors);
+            }
+            return normalizeNonListOptionValue(opt, basePath, value);
+        }
+        else {
+            errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Compiler_option_0_requires_a_value_of_type_1, opt.name, getCompilerOptionValueTypeString(opt)));
+        }
+    }
+    function normalizeOptionValue(option, basePath, value) {
+        if (option.type === "list") {
+            var listOption_1 = option;
+            if (listOption_1.element.isFilePath || typeof listOption_1.element.type !== "string") {
+                return ts.filter(ts.map(value, function (v) { return normalizeOptionValue(listOption_1.element, basePath, v); }), function (v) { return !!v; });
+            }
+            return value;
+        }
+        else if (typeof option.type !== "string") {
+            return option.type.get(typeof value === "string" ? value.toLowerCase() : value);
+        }
+        return normalizeNonListOptionValue(option, basePath, value);
+    }
+    function normalizeNonListOptionValue(option, basePath, value) {
+        if (option.isFilePath) {
+            value = ts.normalizePath(ts.combinePaths(basePath, value));
+            if (value === "") {
+                value = ".";
+            }
+        }
+        return value;
+    }
+    function convertJsonOptionOfCustomType(opt, value, errors) {
+        var key = value.toLowerCase();
+        var val = opt.type.get(key);
+        if (val !== undefined) {
+            return val;
+        }
+        else {
+            errors.push(createCompilerDiagnosticForInvalidCustomType(opt));
+        }
+    }
+    function convertJsonOptionOfListType(option, values, basePath, errors) {
+        return ts.filter(ts.map(values, function (v) { return convertJsonOption(option.element, v, basePath, errors); }), function (v) { return !!v; });
+    }
+    function trimString(s) {
+        return typeof s.trim === "function" ? s.trim() : s.replace(/^[\s]+|[\s]+$/g, "");
+    }
+    var invalidTrailingRecursionPattern = /(^|\/)\*\*\/?$/;
+    var invalidMultipleRecursionPatterns = /(^|\/)\*\*\/(.*\/)?\*\*($|\/)/;
+    var invalidDotDotAfterRecursiveWildcardPattern = /(^|\/)\*\*\/(.*\/)?\.\.($|\/)/;
+    var watchRecursivePattern = /\/[^/]*?[*?][^/]*\//;
+    var wildcardDirectoryPattern = /^[^*?]*(?=\/[^/]*[*?])/;
+    function matchFileNames(fileNames, include, exclude, basePath, options, host, errors, extraFileExtensions, jsonSourceFile) {
+        basePath = ts.normalizePath(basePath);
+        var keyMapper = host.useCaseSensitiveFileNames ? caseSensitiveKeyMapper : caseInsensitiveKeyMapper;
+        var literalFileMap = ts.createMap();
+        var wildcardFileMap = ts.createMap();
+        if (include) {
+            include = validateSpecs(include, errors, false, jsonSourceFile, "include");
+        }
+        if (exclude) {
+            exclude = validateSpecs(exclude, errors, true, jsonSourceFile, "exclude");
+        }
+        var wildcardDirectories = getWildcardDirectories(include, exclude, basePath, host.useCaseSensitiveFileNames);
+        var supportedExtensions = ts.getSupportedExtensions(options, extraFileExtensions);
+        if (fileNames) {
+            for (var _i = 0, fileNames_1 = fileNames; _i < fileNames_1.length; _i++) {
+                var fileName = fileNames_1[_i];
+                var file = ts.combinePaths(basePath, fileName);
+                literalFileMap.set(keyMapper(file), file);
+            }
+        }
+        if (include && include.length > 0) {
+            for (var _a = 0, _b = host.readDirectory(basePath, supportedExtensions, exclude, include, undefined); _a < _b.length; _a++) {
+                var file = _b[_a];
+                if (hasFileWithHigherPriorityExtension(file, literalFileMap, wildcardFileMap, supportedExtensions, keyMapper)) {
+                    continue;
+                }
+                removeWildcardFilesWithLowerPriorityExtension(file, wildcardFileMap, supportedExtensions, keyMapper);
+                var key = keyMapper(file);
+                if (!literalFileMap.has(key) && !wildcardFileMap.has(key)) {
+                    wildcardFileMap.set(key, file);
+                }
+            }
+        }
+        var literalFiles = ts.arrayFrom(literalFileMap.values());
+        var wildcardFiles = ts.arrayFrom(wildcardFileMap.values());
+        return {
+            fileNames: literalFiles.concat(wildcardFiles),
+            wildcardDirectories: wildcardDirectories
+        };
+    }
+    function validateSpecs(specs, errors, allowTrailingRecursion, jsonSourceFile, specKey) {
+        return specs.filter(function (spec) {
+            var diag = specToDiagnostic(spec, allowTrailingRecursion);
+            if (diag !== undefined) {
+                errors.push(createDiagnostic(diag, spec));
+            }
+            return diag === undefined;
+        });
+        function createDiagnostic(message, spec) {
+            if (jsonSourceFile && jsonSourceFile.jsonObject) {
+                for (var _i = 0, _a = ts.getPropertyAssignment(jsonSourceFile.jsonObject, specKey); _i < _a.length; _i++) {
+                    var property = _a[_i];
+                    if (ts.isArrayLiteralExpression(property.initializer)) {
+                        for (var _b = 0, _c = property.initializer.elements; _b < _c.length; _b++) {
+                            var element = _c[_b];
+                            if (ts.isStringLiteral(element) && element.text === spec) {
+                                return ts.createDiagnosticForNodeInSourceFile(jsonSourceFile, element, message, spec);
+                            }
+                        }
+                    }
+                }
+            }
+            return ts.createCompilerDiagnostic(message, spec);
+        }
+    }
+    function specToDiagnostic(spec, allowTrailingRecursion) {
+        if (!allowTrailingRecursion && invalidTrailingRecursionPattern.test(spec)) {
+            return ts.Diagnostics.File_specification_cannot_end_in_a_recursive_directory_wildcard_Asterisk_Asterisk_Colon_0;
+        }
+        else if (invalidMultipleRecursionPatterns.test(spec)) {
+            return ts.Diagnostics.File_specification_cannot_contain_multiple_recursive_directory_wildcards_Asterisk_Asterisk_Colon_0;
+        }
+        else if (invalidDotDotAfterRecursiveWildcardPattern.test(spec)) {
+            return ts.Diagnostics.File_specification_cannot_contain_a_parent_directory_that_appears_after_a_recursive_directory_wildcard_Asterisk_Asterisk_Colon_0;
+        }
+    }
+    function getWildcardDirectories(include, exclude, path, useCaseSensitiveFileNames) {
+        var rawExcludeRegex = ts.getRegularExpressionForWildcard(exclude, path, "exclude");
+        var excludeRegex = rawExcludeRegex && new RegExp(rawExcludeRegex, useCaseSensitiveFileNames ? "" : "i");
+        var wildcardDirectories = {};
+        if (include !== undefined) {
+            var recursiveKeys = [];
+            for (var _i = 0, include_1 = include; _i < include_1.length; _i++) {
+                var file = include_1[_i];
+                var spec = ts.normalizePath(ts.combinePaths(path, file));
+                if (excludeRegex && excludeRegex.test(spec)) {
+                    continue;
+                }
+                var match = getWildcardDirectoryFromSpec(spec, useCaseSensitiveFileNames);
+                if (match) {
+                    var key = match.key, flags = match.flags;
+                    var existingFlags = wildcardDirectories[key];
+                    if (existingFlags === undefined || existingFlags < flags) {
+                        wildcardDirectories[key] = flags;
+                        if (flags === 1) {
+                            recursiveKeys.push(key);
+                        }
+                    }
+                }
+            }
+            for (var key in wildcardDirectories) {
+                if (ts.hasProperty(wildcardDirectories, key)) {
+                    for (var _a = 0, recursiveKeys_1 = recursiveKeys; _a < recursiveKeys_1.length; _a++) {
+                        var recursiveKey = recursiveKeys_1[_a];
+                        if (key !== recursiveKey && ts.containsPath(recursiveKey, key, path, !useCaseSensitiveFileNames)) {
+                            delete wildcardDirectories[key];
+                        }
+                    }
+                }
+            }
+        }
+        return wildcardDirectories;
+    }
+    function getWildcardDirectoryFromSpec(spec, useCaseSensitiveFileNames) {
+        var match = wildcardDirectoryPattern.exec(spec);
+        if (match) {
+            return {
+                key: useCaseSensitiveFileNames ? match[0] : match[0].toLowerCase(),
+                flags: watchRecursivePattern.test(spec) ? 1 : 0
+            };
+        }
+        if (ts.isImplicitGlob(spec)) {
+            return { key: spec, flags: 1 };
+        }
+        return undefined;
+    }
+    function hasFileWithHigherPriorityExtension(file, literalFiles, wildcardFiles, extensions, keyMapper) {
+        var extensionPriority = ts.getExtensionPriority(file, extensions);
+        var adjustedExtensionPriority = ts.adjustExtensionPriority(extensionPriority, extensions);
+        for (var i = 0; i < adjustedExtensionPriority; i++) {
+            var higherPriorityExtension = extensions[i];
+            var higherPriorityPath = keyMapper(ts.changeExtension(file, higherPriorityExtension));
+            if (literalFiles.has(higherPriorityPath) || wildcardFiles.has(higherPriorityPath)) {
+                return true;
+            }
+        }
+        return false;
+    }
+    function removeWildcardFilesWithLowerPriorityExtension(file, wildcardFiles, extensions, keyMapper) {
+        var extensionPriority = ts.getExtensionPriority(file, extensions);
+        var nextExtensionPriority = ts.getNextLowestExtensionPriority(extensionPriority, extensions);
+        for (var i = nextExtensionPriority; i < extensions.length; i++) {
+            var lowerPriorityExtension = extensions[i];
+            var lowerPriorityPath = keyMapper(ts.changeExtension(file, lowerPriorityExtension));
+            wildcardFiles.delete(lowerPriorityPath);
+        }
+    }
+    function caseSensitiveKeyMapper(key) {
+        return key;
+    }
+    function caseInsensitiveKeyMapper(key) {
+        return key.toLowerCase();
+    }
+    function convertCompilerOptionsForTelemetry(opts) {
+        var out = {};
+        for (var key in opts) {
+            if (opts.hasOwnProperty(key)) {
+                var type = getOptionFromName(key);
+                if (type !== undefined) {
+                    out[key] = getOptionValueWithEmptyStrings(opts[key], type);
+                }
+            }
+        }
+        return out;
+    }
+    ts.convertCompilerOptionsForTelemetry = convertCompilerOptionsForTelemetry;
+    function getOptionValueWithEmptyStrings(value, option) {
+        switch (option.type) {
+            case "object":
+                return "";
+            case "string":
+                return "";
+            case "number":
+                return typeof value === "number" ? value : "";
+            case "boolean":
+                return typeof value === "boolean" ? value : "";
+            case "list":
+                var elementType_1 = option.element;
+                return ts.isArray(value) ? value.map(function (v) { return getOptionValueWithEmptyStrings(v, elementType_1); }) : "";
+            default:
+                return ts.forEachEntry(option.type, function (optionEnumValue, optionStringValue) {
+                    if (optionEnumValue === value) {
+                        return optionStringValue;
+                    }
+                });
+        }
+    }
+})(ts || (ts = {}));
+var ts;
+(function (ts) {
+    function trace(host) {
+        host.trace(ts.formatMessage.apply(undefined, arguments));
+    }
+    ts.trace = trace;
+    function isTraceEnabled(compilerOptions, host) {
+        return compilerOptions.traceResolution && host.trace !== undefined;
+    }
+    ts.isTraceEnabled = isTraceEnabled;
+    function withPackageId(packageId, r) {
+        return r && { path: r.path, extension: r.ext, packageId: packageId };
+    }
+    function noPackageId(r) {
+        return withPackageId(undefined, r);
+    }
+    var Extensions;
+    (function (Extensions) {
+        Extensions[Extensions["TypeScript"] = 0] = "TypeScript";
+        Extensions[Extensions["JavaScript"] = 1] = "JavaScript";
+        Extensions[Extensions["DtsOnly"] = 2] = "DtsOnly";
+    })(Extensions || (Extensions = {}));
+    function resolvedTypeScriptOnly(resolved) {
+        if (!resolved) {
+            return undefined;
+        }
+        ts.Debug.assert(ts.extensionIsTypeScript(resolved.extension));
+        return { fileName: resolved.path, packageId: resolved.packageId };
+    }
+    function createResolvedModuleWithFailedLookupLocations(resolved, isExternalLibraryImport, failedLookupLocations) {
+        return {
+            resolvedModule: resolved && { resolvedFileName: resolved.path, extension: resolved.extension, isExternalLibraryImport: isExternalLibraryImport, packageId: resolved.packageId },
+            failedLookupLocations: failedLookupLocations
+        };
+    }
+    function tryReadPackageJsonFields(readTypes, jsonContent, baseDirectory, state) {
+        return readTypes ? tryReadFromField("typings") || tryReadFromField("types") : tryReadFromField("main");
+        function tryReadFromField(fieldName) {
+            if (!ts.hasProperty(jsonContent, fieldName)) {
+                if (state.traceEnabled) {
+                    trace(state.host, ts.Diagnostics.package_json_does_not_have_a_0_field, fieldName);
+                }
+                return;
+            }
+            var fileName = jsonContent[fieldName];
+            if (typeof fileName !== "string") {
+                if (state.traceEnabled) {
+                    trace(state.host, ts.Diagnostics.Expected_type_of_0_field_in_package_json_to_be_string_got_1, fieldName, typeof fileName);
+                }
+                return;
+            }
+            var path = ts.normalizePath(ts.combinePaths(baseDirectory, fileName));
+            if (state.traceEnabled) {
+                trace(state.host, ts.Diagnostics.package_json_has_0_field_1_that_references_2, fieldName, fileName, path);
+            }
+            return path;
+        }
+    }
+    function readJson(path, host) {
+        try {
+            var jsonText = host.readFile(path);
+            return jsonText ? JSON.parse(jsonText) : {};
+        }
+        catch (e) {
+            return {};
+        }
+    }
+    function getEffectiveTypeRoots(options, host) {
+        if (options.typeRoots) {
+            return options.typeRoots;
+        }
+        var currentDirectory;
+        if (options.configFilePath) {
+            currentDirectory = ts.getDirectoryPath(options.configFilePath);
+        }
+        else if (host.getCurrentDirectory) {
+            currentDirectory = host.getCurrentDirectory();
+        }
+        if (currentDirectory !== undefined) {
+            return getDefaultTypeRoots(currentDirectory, host);
+        }
+    }
+    ts.getEffectiveTypeRoots = getEffectiveTypeRoots;
+    function getDefaultTypeRoots(currentDirectory, host) {
+        if (!host.directoryExists) {
+            return [ts.combinePaths(currentDirectory, nodeModulesAtTypes)];
+        }
+        var typeRoots;
+        forEachAncestorDirectory(ts.normalizePath(currentDirectory), function (directory) {
+            var atTypes = ts.combinePaths(directory, nodeModulesAtTypes);
+            if (host.directoryExists(atTypes)) {
+                (typeRoots || (typeRoots = [])).push(atTypes);
+            }
+            return undefined;
+        });
+        return typeRoots;
+    }
+    var nodeModulesAtTypes = ts.combinePaths("node_modules", "@types");
+    function resolveTypeReferenceDirective(typeReferenceDirectiveName, containingFile, options, host) {
+        var traceEnabled = isTraceEnabled(options, host);
+        var moduleResolutionState = { compilerOptions: options, host: host, traceEnabled: traceEnabled };
+        var typeRoots = getEffectiveTypeRoots(options, host);
+        if (traceEnabled) {
+            if (containingFile === undefined) {
+                if (typeRoots === undefined) {
+                    trace(host, ts.Diagnostics.Resolving_type_reference_directive_0_containing_file_not_set_root_directory_not_set, typeReferenceDirectiveName);
+                }
+                else {
+                    trace(host, ts.Diagnostics.Resolving_type_reference_directive_0_containing_file_not_set_root_directory_1, typeReferenceDirectiveName, typeRoots);
+                }
+            }
+            else {
+                if (typeRoots === undefined) {
+                    trace(host, ts.Diagnostics.Resolving_type_reference_directive_0_containing_file_1_root_directory_not_set, typeReferenceDirectiveName, containingFile);
+                }
+                else {
+                    trace(host, ts.Diagnostics.Resolving_type_reference_directive_0_containing_file_1_root_directory_2, typeReferenceDirectiveName, containingFile, typeRoots);
+                }
+            }
+        }
+        var failedLookupLocations = [];
+        var resolved = primaryLookup();
+        var primary = true;
+        if (!resolved) {
+            resolved = secondaryLookup();
+            primary = false;
+        }
+        var resolvedTypeReferenceDirective;
+        if (resolved) {
+            if (!options.preserveSymlinks) {
+                resolved = __assign({}, resolved, { fileName: realpath(resolved.fileName, host, traceEnabled) });
+            }
+            if (traceEnabled) {
+                trace(host, ts.Diagnostics.Type_reference_directive_0_was_successfully_resolved_to_1_primary_Colon_2, typeReferenceDirectiveName, resolved.fileName, primary);
+            }
+            resolvedTypeReferenceDirective = { primary: primary, resolvedFileName: resolved.fileName, packageId: resolved.packageId };
+        }
+        return { resolvedTypeReferenceDirective: resolvedTypeReferenceDirective, failedLookupLocations: failedLookupLocations };
+        function primaryLookup() {
+            if (typeRoots && typeRoots.length) {
+                if (traceEnabled) {
+                    trace(host, ts.Diagnostics.Resolving_with_primary_search_path_0, typeRoots.join(", "));
+                }
+                return ts.forEach(typeRoots, function (typeRoot) {
+                    var candidate = ts.combinePaths(typeRoot, typeReferenceDirectiveName);
+                    var candidateDirectory = ts.getDirectoryPath(candidate);
+                    var directoryExists = directoryProbablyExists(candidateDirectory, host);
+                    if (!directoryExists && traceEnabled) {
+                        trace(host, ts.Diagnostics.Directory_0_does_not_exist_skipping_all_lookups_in_it, candidateDirectory);
+                    }
+                    return resolvedTypeScriptOnly(loadNodeModuleFromDirectory(Extensions.DtsOnly, candidate, failedLookupLocations, !directoryExists, moduleResolutionState));
+                });
+            }
+            else {
+                if (traceEnabled) {
+                    trace(host, ts.Diagnostics.Root_directory_cannot_be_determined_skipping_primary_search_paths);
+                }
+            }
+        }
+        function secondaryLookup() {
+            var resolvedFile;
+            var initialLocationForSecondaryLookup = containingFile && ts.getDirectoryPath(containingFile);
+            if (initialLocationForSecondaryLookup !== undefined) {
+                if (traceEnabled) {
+                    trace(host, ts.Diagnostics.Looking_up_in_node_modules_folder_initial_location_0, initialLocationForSecondaryLookup);
+                }
+                var result = loadModuleFromNodeModules(Extensions.DtsOnly, typeReferenceDirectiveName, initialLocationForSecondaryLookup, failedLookupLocations, moduleResolutionState, undefined);
+                resolvedFile = resolvedTypeScriptOnly(result && result.value);
+                if (!resolvedFile && traceEnabled) {
+                    trace(host, ts.Diagnostics.Type_reference_directive_0_was_not_resolved, typeReferenceDirectiveName);
+                }
+                return resolvedFile;
+            }
+            else {
+                if (traceEnabled) {
+                    trace(host, ts.Diagnostics.Containing_file_is_not_specified_and_root_directory_cannot_be_determined_skipping_lookup_in_node_modules_folder);
+                }
+            }
+        }
+    }
+    ts.resolveTypeReferenceDirective = resolveTypeReferenceDirective;
+    function getAutomaticTypeDirectiveNames(options, host) {
+        if (options.types) {
+            return options.types;
+        }
+        var result = [];
+        if (host.directoryExists && host.getDirectories) {
+            var typeRoots = getEffectiveTypeRoots(options, host);
+            if (typeRoots) {
+                for (var _i = 0, typeRoots_1 = typeRoots; _i < typeRoots_1.length; _i++) {
+                    var root = typeRoots_1[_i];
+                    if (host.directoryExists(root)) {
+                        for (var _a = 0, _b = host.getDirectories(root); _a < _b.length; _a++) {
+                            var typeDirectivePath = _b[_a];
+                            var normalized = ts.normalizePath(typeDirectivePath);
+                            var packageJsonPath = pathToPackageJson(ts.combinePaths(root, normalized));
+                            var isNotNeededPackage = host.fileExists(packageJsonPath) && readJson(packageJsonPath, host).typings === null;
+                            if (!isNotNeededPackage) {
+                                result.push(ts.getBaseFileName(normalized));
+                            }
+                        }
+                    }
+                }
+            }
+        }
+        return result;
+    }
+    ts.getAutomaticTypeDirectiveNames = getAutomaticTypeDirectiveNames;
+    function createModuleResolutionCache(currentDirectory, getCanonicalFileName) {
+        var directoryToModuleNameMap = ts.createMap();
+        var moduleNameToDirectoryMap = ts.createMap();
+        return { getOrCreateCacheForDirectory: getOrCreateCacheForDirectory, getOrCreateCacheForModuleName: getOrCreateCacheForModuleName };
+        function getOrCreateCacheForDirectory(directoryName) {
+            var path = ts.toPath(directoryName, currentDirectory, getCanonicalFileName);
+            var perFolderCache = directoryToModuleNameMap.get(path);
+            if (!perFolderCache) {
+                perFolderCache = ts.createMap();
+                directoryToModuleNameMap.set(path, perFolderCache);
+            }
+            return perFolderCache;
+        }
+        function getOrCreateCacheForModuleName(nonRelativeModuleName) {
+            if (ts.isExternalModuleNameRelative(nonRelativeModuleName)) {
+                return undefined;
+            }
+            var perModuleNameCache = moduleNameToDirectoryMap.get(nonRelativeModuleName);
+            if (!perModuleNameCache) {
+                perModuleNameCache = createPerModuleNameCache();
+                moduleNameToDirectoryMap.set(nonRelativeModuleName, perModuleNameCache);
+            }
+            return perModuleNameCache;
+        }
+        function createPerModuleNameCache() {
+            var directoryPathMap = ts.createMap();
+            return { get: get, set: set };
+            function get(directory) {
+                return directoryPathMap.get(ts.toPath(directory, currentDirectory, getCanonicalFileName));
+            }
+            function set(directory, result) {
+                var path = ts.toPath(directory, currentDirectory, getCanonicalFileName);
+                if (directoryPathMap.has(path)) {
+                    return;
+                }
+                directoryPathMap.set(path, result);
+                var resolvedFileName = result.resolvedModule && result.resolvedModule.resolvedFileName;
+                var commonPrefix = getCommonPrefix(path, resolvedFileName);
+                var current = path;
+                while (true) {
+                    var parent = ts.getDirectoryPath(current);
+                    if (parent === current || directoryPathMap.has(parent)) {
+                        break;
+                    }
+                    directoryPathMap.set(parent, result);
+                    current = parent;
+                    if (current === commonPrefix) {
+                        break;
+                    }
+                }
+            }
+            function getCommonPrefix(directory, resolution) {
+                if (resolution === undefined) {
+                    return undefined;
+                }
+                var resolutionDirectory = ts.toPath(ts.getDirectoryPath(resolution), currentDirectory, getCanonicalFileName);
+                var i = 0;
+                while (i < Math.min(directory.length, resolutionDirectory.length) && directory.charCodeAt(i) === resolutionDirectory.charCodeAt(i)) {
+                    i++;
+                }
+                var sep = directory.lastIndexOf(ts.directorySeparator, i);
+                if (sep < 0) {
+                    return undefined;
+                }
+                return directory.substr(0, sep);
+            }
+        }
+    }
+    ts.createModuleResolutionCache = createModuleResolutionCache;
+    function resolveModuleName(moduleName, containingFile, compilerOptions, host, cache) {
+        var traceEnabled = isTraceEnabled(compilerOptions, host);
+        if (traceEnabled) {
+            trace(host, ts.Diagnostics.Resolving_module_0_from_1, moduleName, containingFile);
+        }
+        var containingDirectory = ts.getDirectoryPath(containingFile);
+        var perFolderCache = cache && cache.getOrCreateCacheForDirectory(containingDirectory);
+        var result = perFolderCache && perFolderCache.get(moduleName);
+        if (result) {
+            if (traceEnabled) {
+                trace(host, ts.Diagnostics.Resolution_for_module_0_was_found_in_cache, moduleName);
+            }
+        }
+        else {
+            var moduleResolution = compilerOptions.moduleResolution;
+            if (moduleResolution === undefined) {
+                moduleResolution = ts.getEmitModuleKind(compilerOptions) === ts.ModuleKind.CommonJS ? ts.ModuleResolutionKind.NodeJs : ts.ModuleResolutionKind.Classic;
+                if (traceEnabled) {
+                    trace(host, ts.Diagnostics.Module_resolution_kind_is_not_specified_using_0, ts.ModuleResolutionKind[moduleResolution]);
+                }
+            }
+            else {
+                if (traceEnabled) {
+                    trace(host, ts.Diagnostics.Explicitly_specified_module_resolution_kind_Colon_0, ts.ModuleResolutionKind[moduleResolution]);
+                }
+            }
+            switch (moduleResolution) {
+                case ts.ModuleResolutionKind.NodeJs:
+                    result = nodeModuleNameResolver(moduleName, containingFile, compilerOptions, host, cache);
+                    break;
+                case ts.ModuleResolutionKind.Classic:
+                    result = classicNameResolver(moduleName, containingFile, compilerOptions, host, cache);
+                    break;
+                default:
+                    ts.Debug.fail("Unexpected moduleResolution: " + moduleResolution);
+            }
+            if (perFolderCache) {
+                perFolderCache.set(moduleName, result);
+                var perModuleNameCache = cache.getOrCreateCacheForModuleName(moduleName);
+                if (perModuleNameCache) {
+                    perModuleNameCache.set(containingDirectory, result);
+                }
+            }
+        }
+        if (traceEnabled) {
+            if (result.resolvedModule) {
+                trace(host, ts.Diagnostics.Module_name_0_was_successfully_resolved_to_1, moduleName, result.resolvedModule.resolvedFileName);
+            }
+            else {
+                trace(host, ts.Diagnostics.Module_name_0_was_not_resolved, moduleName);
+            }
+        }
+        return result;
+    }
+    ts.resolveModuleName = resolveModuleName;
+    function tryLoadModuleUsingOptionalResolutionSettings(extensions, moduleName, containingDirectory, loader, failedLookupLocations, state) {
+        if (!ts.isExternalModuleNameRelative(moduleName)) {
+            return tryLoadModuleUsingBaseUrl(extensions, moduleName, loader, failedLookupLocations, state);
+        }
+        else {
+            return tryLoadModuleUsingRootDirs(extensions, moduleName, containingDirectory, loader, failedLookupLocations, state);
+        }
+    }
+    function tryLoadModuleUsingRootDirs(extensions, moduleName, containingDirectory, loader, failedLookupLocations, state) {
+        if (!state.compilerOptions.rootDirs) {
+            return undefined;
+        }
+        if (state.traceEnabled) {
+            trace(state.host, ts.Diagnostics.rootDirs_option_is_set_using_it_to_resolve_relative_module_name_0, moduleName);
+        }
+        var candidate = ts.normalizePath(ts.combinePaths(containingDirectory, moduleName));
+        var matchedRootDir;
+        var matchedNormalizedPrefix;
+        for (var _i = 0, _a = state.compilerOptions.rootDirs; _i < _a.length; _i++) {
+            var rootDir = _a[_i];
+            var normalizedRoot = ts.normalizePath(rootDir);
+            if (!ts.endsWith(normalizedRoot, ts.directorySeparator)) {
+                normalizedRoot += ts.directorySeparator;
+            }
+            var isLongestMatchingPrefix = ts.startsWith(candidate, normalizedRoot) &&
+                (matchedNormalizedPrefix === undefined || matchedNormalizedPrefix.length < normalizedRoot.length);
+            if (state.traceEnabled) {
+                trace(state.host, ts.Diagnostics.Checking_if_0_is_the_longest_matching_prefix_for_1_2, normalizedRoot, candidate, isLongestMatchingPrefix);
+            }
+            if (isLongestMatchingPrefix) {
+                matchedNormalizedPrefix = normalizedRoot;
+                matchedRootDir = rootDir;
+            }
+        }
+        if (matchedNormalizedPrefix) {
+            if (state.traceEnabled) {
+                trace(state.host, ts.Diagnostics.Longest_matching_prefix_for_0_is_1, candidate, matchedNormalizedPrefix);
+            }
+            var suffix = candidate.substr(matchedNormalizedPrefix.length);
+            if (state.traceEnabled) {
+                trace(state.host, ts.Diagnostics.Loading_0_from_the_root_dir_1_candidate_location_2, suffix, matchedNormalizedPrefix, candidate);
+            }
+            var resolvedFileName = loader(extensions, candidate, failedLookupLocations, !directoryProbablyExists(containingDirectory, state.host), state);
+            if (resolvedFileName) {
+                return resolvedFileName;
+            }
+            if (state.traceEnabled) {
+                trace(state.host, ts.Diagnostics.Trying_other_entries_in_rootDirs);
+            }
+            for (var _b = 0, _c = state.compilerOptions.rootDirs; _b < _c.length; _b++) {
+                var rootDir = _c[_b];
+                if (rootDir === matchedRootDir) {
+                    continue;
+                }
+                var candidate_1 = ts.combinePaths(ts.normalizePath(rootDir), suffix);
+                if (state.traceEnabled) {
+                    trace(state.host, ts.Diagnostics.Loading_0_from_the_root_dir_1_candidate_location_2, suffix, rootDir, candidate_1);
+                }
+                var baseDirectory = ts.getDirectoryPath(candidate_1);
+                var resolvedFileName_1 = loader(extensions, candidate_1, failedLookupLocations, !directoryProbablyExists(baseDirectory, state.host), state);
+                if (resolvedFileName_1) {
+                    return resolvedFileName_1;
+                }
+            }
+            if (state.traceEnabled) {
+                trace(state.host, ts.Diagnostics.Module_resolution_using_rootDirs_has_failed);
+            }
+        }
+        return undefined;
+    }
+    function tryLoadModuleUsingBaseUrl(extensions, moduleName, loader, failedLookupLocations, state) {
+        if (!state.compilerOptions.baseUrl) {
+            return undefined;
+        }
+        if (state.traceEnabled) {
+            trace(state.host, ts.Diagnostics.baseUrl_option_is_set_to_0_using_this_value_to_resolve_non_relative_module_name_1, state.compilerOptions.baseUrl, moduleName);
+        }
+        var matchedPattern = undefined;
+        if (state.compilerOptions.paths) {
+            if (state.traceEnabled) {
+                trace(state.host, ts.Diagnostics.paths_option_is_specified_looking_for_a_pattern_to_match_module_name_0, moduleName);
+            }
+            matchedPattern = ts.matchPatternOrExact(ts.getOwnKeys(state.compilerOptions.paths), moduleName);
+        }
+        if (matchedPattern) {
+            var matchedStar_1 = typeof matchedPattern === "string" ? undefined : ts.matchedText(matchedPattern, moduleName);
+            var matchedPatternText = typeof matchedPattern === "string" ? matchedPattern : ts.patternText(matchedPattern);
+            if (state.traceEnabled) {
+                trace(state.host, ts.Diagnostics.Module_name_0_matched_pattern_1, moduleName, matchedPatternText);
+            }
+            return ts.forEach(state.compilerOptions.paths[matchedPatternText], function (subst) {
+                var path = matchedStar_1 ? subst.replace("*", matchedStar_1) : subst;
+                var candidate = ts.normalizePath(ts.combinePaths(state.compilerOptions.baseUrl, path));
+                if (state.traceEnabled) {
+                    trace(state.host, ts.Diagnostics.Trying_substitution_0_candidate_module_location_Colon_1, subst, path);
+                }
+                var extension = ts.tryGetExtensionFromPath(candidate);
+                if (extension !== undefined) {
+                    var path_1 = tryFile(candidate, failedLookupLocations, false, state);
+                    if (path_1 !== undefined) {
+                        return noPackageId({ path: path_1, ext: extension });
+                    }
+                }
+                return loader(extensions, candidate, failedLookupLocations, !directoryProbablyExists(ts.getDirectoryPath(candidate), state.host), state);
+            });
+        }
+        else {
+            var candidate = ts.normalizePath(ts.combinePaths(state.compilerOptions.baseUrl, moduleName));
+            if (state.traceEnabled) {
+                trace(state.host, ts.Diagnostics.Resolving_module_name_0_relative_to_base_url_1_2, moduleName, state.compilerOptions.baseUrl, candidate);
+            }
+            return loader(extensions, candidate, failedLookupLocations, !directoryProbablyExists(ts.getDirectoryPath(candidate), state.host), state);
+        }
+    }
+    function nodeModuleNameResolver(moduleName, containingFile, compilerOptions, host, cache) {
+        return nodeModuleNameResolverWorker(moduleName, ts.getDirectoryPath(containingFile), compilerOptions, host, cache, false);
+    }
+    ts.nodeModuleNameResolver = nodeModuleNameResolver;
+    function resolveJavaScriptModule(moduleName, initialDir, host) {
+        var _a = nodeModuleNameResolverWorker(moduleName, initialDir, { moduleResolution: ts.ModuleResolutionKind.NodeJs, allowJs: true }, host, undefined, true), resolvedModule = _a.resolvedModule, failedLookupLocations = _a.failedLookupLocations;
+        if (!resolvedModule) {
+            throw new Error("Could not resolve JS module '" + moduleName + "' starting at '" + initialDir + "'. Looked in: " + failedLookupLocations.join(", "));
+        }
+        return resolvedModule.resolvedFileName;
+    }
+    ts.resolveJavaScriptModule = resolveJavaScriptModule;
+    function nodeModuleNameResolverWorker(moduleName, containingDirectory, compilerOptions, host, cache, jsOnly) {
+        var traceEnabled = isTraceEnabled(compilerOptions, host);
+        var failedLookupLocations = [];
+        var state = { compilerOptions: compilerOptions, host: host, traceEnabled: traceEnabled };
+        var result = jsOnly ? tryResolve(Extensions.JavaScript) : (tryResolve(Extensions.TypeScript) || tryResolve(Extensions.JavaScript));
+        if (result && result.value) {
+            var _a = result.value, resolved = _a.resolved, isExternalLibraryImport = _a.isExternalLibraryImport;
+            return createResolvedModuleWithFailedLookupLocations(resolved, isExternalLibraryImport, failedLookupLocations);
+        }
+        return { resolvedModule: undefined, failedLookupLocations: failedLookupLocations };
+        function tryResolve(extensions) {
+            var loader = function (extensions, candidate, failedLookupLocations, onlyRecordFailures, state) { return nodeLoadModuleByRelativeName(extensions, candidate, failedLookupLocations, onlyRecordFailures, state, true); };
+            var resolved = tryLoadModuleUsingOptionalResolutionSettings(extensions, moduleName, containingDirectory, loader, failedLookupLocations, state);
+            if (resolved) {
+                return toSearchResult({ resolved: resolved, isExternalLibraryImport: false });
+            }
+            if (!ts.isExternalModuleNameRelative(moduleName)) {
+                if (traceEnabled) {
+                    trace(host, ts.Diagnostics.Loading_module_0_from_node_modules_folder_target_file_type_1, moduleName, Extensions[extensions]);
+                }
+                var resolved_1 = loadModuleFromNodeModules(extensions, moduleName, containingDirectory, failedLookupLocations, state, cache);
+                if (!resolved_1)
+                    return undefined;
+                var resolvedValue = resolved_1.value;
+                if (!compilerOptions.preserveSymlinks) {
+                    resolvedValue = resolvedValue && __assign({}, resolved_1.value, { path: realpath(resolved_1.value.path, host, traceEnabled), extension: resolved_1.value.extension });
+                }
+                return { value: resolvedValue && { resolved: resolvedValue, isExternalLibraryImport: true } };
+            }
+            else {
+                var candidate = ts.normalizePath(ts.combinePaths(containingDirectory, moduleName));
+                var resolved_2 = nodeLoadModuleByRelativeName(extensions, candidate, failedLookupLocations, false, state, true);
+                return resolved_2 && toSearchResult({ resolved: resolved_2, isExternalLibraryImport: false });
+            }
+        }
+    }
+    function realpath(path, host, traceEnabled) {
+        if (!host.realpath) {
+            return path;
+        }
+        var real = ts.normalizePath(host.realpath(path));
+        if (traceEnabled) {
+            trace(host, ts.Diagnostics.Resolving_real_path_for_0_result_1, path, real);
+        }
+        return real;
+    }
+    function nodeLoadModuleByRelativeName(extensions, candidate, failedLookupLocations, onlyRecordFailures, state, considerPackageJson) {
+        if (state.traceEnabled) {
+            trace(state.host, ts.Diagnostics.Loading_module_as_file_Slash_folder_candidate_module_location_0_target_file_type_1, candidate, Extensions[extensions]);
+        }
+        if (!ts.pathEndsWithDirectorySeparator(candidate)) {
+            if (!onlyRecordFailures) {
+                var parentOfCandidate = ts.getDirectoryPath(candidate);
+                if (!directoryProbablyExists(parentOfCandidate, state.host)) {
+                    if (state.traceEnabled) {
+                        trace(state.host, ts.Diagnostics.Directory_0_does_not_exist_skipping_all_lookups_in_it, parentOfCandidate);
+                    }
+                    onlyRecordFailures = true;
+                }
+            }
+            var resolvedFromFile = loadModuleFromFile(extensions, candidate, failedLookupLocations, onlyRecordFailures, state);
+            if (resolvedFromFile) {
+                return noPackageId(resolvedFromFile);
+            }
+        }
+        if (!onlyRecordFailures) {
+            var candidateExists = directoryProbablyExists(candidate, state.host);
+            if (!candidateExists) {
+                if (state.traceEnabled) {
+                    trace(state.host, ts.Diagnostics.Directory_0_does_not_exist_skipping_all_lookups_in_it, candidate);
+                }
+                onlyRecordFailures = true;
+            }
+        }
+        return loadNodeModuleFromDirectory(extensions, candidate, failedLookupLocations, onlyRecordFailures, state, considerPackageJson);
+    }
+    function directoryProbablyExists(directoryName, host) {
+        return !host.directoryExists || host.directoryExists(directoryName);
+    }
+    ts.directoryProbablyExists = directoryProbablyExists;
+    function loadModuleFromFileNoPackageId(extensions, candidate, failedLookupLocations, onlyRecordFailures, state) {
+        return noPackageId(loadModuleFromFile(extensions, candidate, failedLookupLocations, onlyRecordFailures, state));
+    }
+    function loadModuleFromFile(extensions, candidate, failedLookupLocations, onlyRecordFailures, state) {
+        var resolvedByAddingExtension = tryAddingExtensions(candidate, extensions, failedLookupLocations, onlyRecordFailures, state);
+        if (resolvedByAddingExtension) {
+            return resolvedByAddingExtension;
+        }
+        if (ts.hasJavaScriptFileExtension(candidate)) {
+            var extensionless = ts.removeFileExtension(candidate);
+            if (state.traceEnabled) {
+                var extension = candidate.substring(extensionless.length);
+                trace(state.host, ts.Diagnostics.File_name_0_has_a_1_extension_stripping_it, candidate, extension);
+            }
+            return tryAddingExtensions(extensionless, extensions, failedLookupLocations, onlyRecordFailures, state);
+        }
+    }
+    function tryAddingExtensions(candidate, extensions, failedLookupLocations, onlyRecordFailures, state) {
+        if (!onlyRecordFailures) {
+            var directory = ts.getDirectoryPath(candidate);
+            if (directory) {
+                onlyRecordFailures = !directoryProbablyExists(directory, state.host);
+            }
+        }
+        switch (extensions) {
+            case Extensions.DtsOnly:
+                return tryExtension(".d.ts");
+            case Extensions.TypeScript:
+                return tryExtension(".ts") || tryExtension(".tsx") || tryExtension(".d.ts");
+            case Extensions.JavaScript:
+                return tryExtension(".js") || tryExtension(".jsx");
+        }
+        function tryExtension(ext) {
+            var path = tryFile(candidate + ext, failedLookupLocations, onlyRecordFailures, state);
+            return path && { path: path, ext: ext };
+        }
+    }
+    function tryFile(fileName, failedLookupLocations, onlyRecordFailures, state) {
+        if (!onlyRecordFailures) {
+            if (state.host.fileExists(fileName)) {
+                if (state.traceEnabled) {
+                    trace(state.host, ts.Diagnostics.File_0_exist_use_it_as_a_name_resolution_result, fileName);
+                }
+                return fileName;
+            }
+            else {
+                if (state.traceEnabled) {
+                    trace(state.host, ts.Diagnostics.File_0_does_not_exist, fileName);
+                }
+            }
+        }
+        failedLookupLocations.push(fileName);
+        return undefined;
+    }
+    function loadNodeModuleFromDirectory(extensions, candidate, failedLookupLocations, onlyRecordFailures, state, considerPackageJson) {
+        if (considerPackageJson === void 0) { considerPackageJson = true; }
+        var _a = considerPackageJson
+            ? getPackageJsonInfo(candidate, "", failedLookupLocations, onlyRecordFailures, state)
+            : { packageJsonContent: undefined, packageId: undefined }, packageJsonContent = _a.packageJsonContent, packageId = _a.packageId;
+        return withPackageId(packageId, loadNodeModuleFromDirectoryWorker(extensions, candidate, failedLookupLocations, onlyRecordFailures, state, packageJsonContent));
+    }
+    function loadNodeModuleFromDirectoryWorker(extensions, candidate, failedLookupLocations, onlyRecordFailures, state, packageJsonContent) {
+        var fromPackageJson = packageJsonContent && loadModuleFromPackageJson(packageJsonContent, extensions, candidate, failedLookupLocations, state);
+        if (fromPackageJson) {
+            return fromPackageJson;
+        }
+        var directoryExists = !onlyRecordFailures && directoryProbablyExists(candidate, state.host);
+        return loadModuleFromFile(extensions, ts.combinePaths(candidate, "index"), failedLookupLocations, !directoryExists, state);
+    }
+    function getPackageJsonInfo(nodeModuleDirectory, subModuleName, failedLookupLocations, onlyRecordFailures, _a) {
+        var host = _a.host, traceEnabled = _a.traceEnabled;
+        var directoryExists = !onlyRecordFailures && directoryProbablyExists(nodeModuleDirectory, host);
+        var packageJsonPath = pathToPackageJson(nodeModuleDirectory);
+        if (directoryExists && host.fileExists(packageJsonPath)) {
+            if (traceEnabled) {
+                trace(host, ts.Diagnostics.Found_package_json_at_0, packageJsonPath);
+            }
+            var packageJsonContent = readJson(packageJsonPath, host);
+            var packageId = typeof packageJsonContent.name === "string" && typeof packageJsonContent.version === "string"
+                ? { name: packageJsonContent.name, subModuleName: subModuleName, version: packageJsonContent.version }
+                : undefined;
+            return { packageJsonContent: packageJsonContent, packageId: packageId };
+        }
+        else {
+            if (directoryExists && traceEnabled) {
+                trace(host, ts.Diagnostics.File_0_does_not_exist, packageJsonPath);
+            }
+            failedLookupLocations.push(packageJsonPath);
+            return { packageJsonContent: undefined, packageId: undefined };
+        }
+    }
+    function loadModuleFromPackageJson(jsonContent, extensions, candidate, failedLookupLocations, state) {
+        var file = tryReadPackageJsonFields(extensions !== Extensions.JavaScript, jsonContent, candidate, state);
+        if (!file) {
+            return undefined;
+        }
+        var onlyRecordFailures = !directoryProbablyExists(ts.getDirectoryPath(file), state.host);
+        var fromFile = tryFile(file, failedLookupLocations, onlyRecordFailures, state);
+        if (fromFile) {
+            var resolved = fromFile && resolvedIfExtensionMatches(extensions, fromFile);
+            if (resolved) {
+                return resolved;
+            }
+            if (state.traceEnabled) {
+                trace(state.host, ts.Diagnostics.File_0_has_an_unsupported_extension_so_skipping_it, fromFile);
+            }
+        }
+        var nextExtensions = extensions === Extensions.DtsOnly ? Extensions.TypeScript : extensions;
+        var result = nodeLoadModuleByRelativeName(nextExtensions, file, failedLookupLocations, onlyRecordFailures, state, false);
+        if (result) {
+            ts.Debug.assert(result.packageId === undefined);
+            return { path: result.path, ext: result.extension };
+        }
+    }
+    function resolvedIfExtensionMatches(extensions, path) {
+        var ext = ts.tryGetExtensionFromPath(path);
+        return ext !== undefined && extensionIsOk(extensions, ext) ? { path: path, ext: ext } : undefined;
+    }
+    function extensionIsOk(extensions, extension) {
+        switch (extensions) {
+            case Extensions.JavaScript:
+                return extension === ".js" || extension === ".jsx";
+            case Extensions.TypeScript:
+                return extension === ".ts" || extension === ".tsx" || extension === ".d.ts";
+            case Extensions.DtsOnly:
+                return extension === ".d.ts";
+        }
+    }
+    function pathToPackageJson(directory) {
+        return ts.combinePaths(directory, "package.json");
+    }
+    function loadModuleFromNodeModulesFolder(extensions, moduleName, nodeModulesFolder, nodeModulesFolderExists, failedLookupLocations, state) {
+        var _a = getPackageName(moduleName), packageName = _a.packageName, rest = _a.rest;
+        var packageRootPath = ts.combinePaths(nodeModulesFolder, packageName);
+        var _b = getPackageJsonInfo(packageRootPath, rest, failedLookupLocations, !nodeModulesFolderExists, state), packageJsonContent = _b.packageJsonContent, packageId = _b.packageId;
+        var candidate = ts.normalizePath(ts.combinePaths(nodeModulesFolder, moduleName));
+        var pathAndExtension = loadModuleFromFile(extensions, candidate, failedLookupLocations, !nodeModulesFolderExists, state) ||
+            loadNodeModuleFromDirectoryWorker(extensions, candidate, failedLookupLocations, !nodeModulesFolderExists, state, packageJsonContent);
+        return withPackageId(packageId, pathAndExtension);
+    }
+    function getPackageName(moduleName) {
+        var idx = moduleName.indexOf(ts.directorySeparator);
+        if (moduleName[0] === "@") {
+            idx = moduleName.indexOf(ts.directorySeparator, idx + 1);
+        }
+        return idx === -1 ? { packageName: moduleName, rest: "" } : { packageName: moduleName.slice(0, idx), rest: moduleName.slice(idx + 1) };
+    }
+    function loadModuleFromNodeModules(extensions, moduleName, directory, failedLookupLocations, state, cache) {
+        return loadModuleFromNodeModulesWorker(extensions, moduleName, directory, failedLookupLocations, state, false, cache);
+    }
+    function loadModuleFromNodeModulesAtTypes(moduleName, directory, failedLookupLocations, state) {
+        return loadModuleFromNodeModulesWorker(Extensions.DtsOnly, moduleName, directory, failedLookupLocations, state, true, undefined);
+    }
+    function loadModuleFromNodeModulesWorker(extensions, moduleName, directory, failedLookupLocations, state, typesOnly, cache) {
+        var perModuleNameCache = cache && cache.getOrCreateCacheForModuleName(moduleName);
+        return forEachAncestorDirectory(ts.normalizeSlashes(directory), function (ancestorDirectory) {
+            if (ts.getBaseFileName(ancestorDirectory) !== "node_modules") {
+                var resolutionFromCache = tryFindNonRelativeModuleNameInCache(perModuleNameCache, moduleName, ancestorDirectory, state.traceEnabled, state.host);
+                if (resolutionFromCache) {
+                    return resolutionFromCache;
+                }
+                return toSearchResult(loadModuleFromNodeModulesOneLevel(extensions, moduleName, ancestorDirectory, failedLookupLocations, state, typesOnly));
+            }
+        });
+    }
+    function loadModuleFromNodeModulesOneLevel(extensions, moduleName, directory, failedLookupLocations, state, typesOnly) {
+        if (typesOnly === void 0) { typesOnly = false; }
+        var nodeModulesFolder = ts.combinePaths(directory, "node_modules");
+        var nodeModulesFolderExists = directoryProbablyExists(nodeModulesFolder, state.host);
+        if (!nodeModulesFolderExists && state.traceEnabled) {
+            trace(state.host, ts.Diagnostics.Directory_0_does_not_exist_skipping_all_lookups_in_it, nodeModulesFolder);
+        }
+        var packageResult = typesOnly ? undefined : loadModuleFromNodeModulesFolder(extensions, moduleName, nodeModulesFolder, nodeModulesFolderExists, failedLookupLocations, state);
+        if (packageResult) {
+            return packageResult;
+        }
+        if (extensions !== Extensions.JavaScript) {
+            var nodeModulesAtTypes_1 = ts.combinePaths(nodeModulesFolder, "@types");
+            var nodeModulesAtTypesExists = nodeModulesFolderExists;
+            if (nodeModulesFolderExists && !directoryProbablyExists(nodeModulesAtTypes_1, state.host)) {
+                if (state.traceEnabled) {
+                    trace(state.host, ts.Diagnostics.Directory_0_does_not_exist_skipping_all_lookups_in_it, nodeModulesAtTypes_1);
+                }
+                nodeModulesAtTypesExists = false;
+            }
+            return loadModuleFromNodeModulesFolder(Extensions.DtsOnly, mangleScopedPackage(moduleName, state), nodeModulesAtTypes_1, nodeModulesAtTypesExists, failedLookupLocations, state);
+        }
+    }
+    var mangledScopedPackageSeparator = "__";
+    function mangleScopedPackage(moduleName, state) {
+        if (ts.startsWith(moduleName, "@")) {
+            var replaceSlash = moduleName.replace(ts.directorySeparator, mangledScopedPackageSeparator);
+            if (replaceSlash !== moduleName) {
+                var mangled = replaceSlash.slice(1);
+                if (state.traceEnabled) {
+                    trace(state.host, ts.Diagnostics.Scoped_package_detected_looking_in_0, mangled);
+                }
+                return mangled;
+            }
+        }
+        return moduleName;
+    }
+    function getPackageNameFromAtTypesDirectory(mangledName) {
+        var withoutAtTypePrefix = ts.removePrefix(mangledName, "@types/");
+        if (withoutAtTypePrefix !== mangledName) {
+            return withoutAtTypePrefix.indexOf(mangledScopedPackageSeparator) !== -1 ?
+                "@" + withoutAtTypePrefix.replace(mangledScopedPackageSeparator, ts.directorySeparator) :
+                withoutAtTypePrefix;
+        }
+        return mangledName;
+    }
+    ts.getPackageNameFromAtTypesDirectory = getPackageNameFromAtTypesDirectory;
+    function tryFindNonRelativeModuleNameInCache(cache, moduleName, containingDirectory, traceEnabled, host) {
+        var result = cache && cache.get(containingDirectory);
+        if (result) {
+            if (traceEnabled) {
+                trace(host, ts.Diagnostics.Resolution_for_module_0_was_found_in_cache, moduleName);
+            }
+            return { value: result.resolvedModule && { path: result.resolvedModule.resolvedFileName, extension: result.resolvedModule.extension, packageId: result.resolvedModule.packageId } };
+        }
+    }
+    function classicNameResolver(moduleName, containingFile, compilerOptions, host, cache) {
+        var traceEnabled = isTraceEnabled(compilerOptions, host);
+        var state = { compilerOptions: compilerOptions, host: host, traceEnabled: traceEnabled };
+        var failedLookupLocations = [];
+        var containingDirectory = ts.getDirectoryPath(containingFile);
+        var resolved = tryResolve(Extensions.TypeScript) || tryResolve(Extensions.JavaScript);
+        return createResolvedModuleWithFailedLookupLocations(resolved && resolved.value, false, failedLookupLocations);
+        function tryResolve(extensions) {
+            var resolvedUsingSettings = tryLoadModuleUsingOptionalResolutionSettings(extensions, moduleName, containingDirectory, loadModuleFromFileNoPackageId, failedLookupLocations, state);
+            if (resolvedUsingSettings) {
+                return { value: resolvedUsingSettings };
+            }
+            var perModuleNameCache = cache && cache.getOrCreateCacheForModuleName(moduleName);
+            if (!ts.isExternalModuleNameRelative(moduleName)) {
+                var resolved_3 = forEachAncestorDirectory(containingDirectory, function (directory) {
+                    var resolutionFromCache = tryFindNonRelativeModuleNameInCache(perModuleNameCache, moduleName, directory, traceEnabled, host);
+                    if (resolutionFromCache) {
+                        return resolutionFromCache;
+                    }
+                    var searchName = ts.normalizePath(ts.combinePaths(directory, moduleName));
+                    return toSearchResult(loadModuleFromFileNoPackageId(extensions, searchName, failedLookupLocations, false, state));
+                });
+                if (resolved_3) {
+                    return resolved_3;
+                }
+                if (extensions === Extensions.TypeScript) {
+                    return loadModuleFromNodeModulesAtTypes(moduleName, containingDirectory, failedLookupLocations, state);
+                }
+            }
+            else {
+                var candidate = ts.normalizePath(ts.combinePaths(containingDirectory, moduleName));
+                return toSearchResult(loadModuleFromFileNoPackageId(extensions, candidate, failedLookupLocations, false, state));
+            }
+        }
+    }
+    ts.classicNameResolver = classicNameResolver;
+    function loadModuleFromGlobalCache(moduleName, projectName, compilerOptions, host, globalCache) {
+        var traceEnabled = isTraceEnabled(compilerOptions, host);
+        if (traceEnabled) {
+            trace(host, ts.Diagnostics.Auto_discovery_for_typings_is_enabled_in_project_0_Running_extra_resolution_pass_for_module_1_using_cache_location_2, projectName, moduleName, globalCache);
+        }
+        var state = { compilerOptions: compilerOptions, host: host, traceEnabled: traceEnabled };
+        var failedLookupLocations = [];
+        var resolved = loadModuleFromNodeModulesOneLevel(Extensions.DtsOnly, moduleName, globalCache, failedLookupLocations, state);
+        return createResolvedModuleWithFailedLookupLocations(resolved, true, failedLookupLocations);
+    }
+    ts.loadModuleFromGlobalCache = loadModuleFromGlobalCache;
+    function toSearchResult(value) {
+        return value !== undefined ? { value: value } : undefined;
+    }
+    function forEachAncestorDirectory(directory, callback) {
+        while (true) {
+            var result = callback(directory);
+            if (result !== undefined) {
+                return result;
+            }
+            var parentPath = ts.getDirectoryPath(directory);
+            if (parentPath === directory) {
+                return undefined;
+            }
+            directory = parentPath;
+        }
+    }
+})(ts || (ts = {}));
+var ts;
+(function (ts) {
     var ModuleInstanceState;
     (function (ModuleInstanceState) {
         ModuleInstanceState[ModuleInstanceState["NonInstantiated"] = 0] = "NonInstantiated";
@@ -21741,7 +18509,7 @@ var ts;
             options = opts;
             languageVersion = ts.getEmitScriptTarget(options);
             inStrictMode = bindInStrictMode(file, opts);
-            classifiableNames = ts.createMap();
+            classifiableNames = ts.createUnderscoreEscapedMap();
             symbolCount = 0;
             skipTransformFlagAggregation = file.isDeclarationFile;
             Symbol = ts.objectAllocator.getSymbolConstructor();
@@ -21790,10 +18558,10 @@ var ts;
             }
             symbol.declarations.push(node);
             if (symbolFlags & 1952 && !symbol.exports) {
-                symbol.exports = ts.createMap();
+                symbol.exports = ts.createSymbolTable();
             }
             if (symbolFlags & 6240 && !symbol.members) {
-                symbol.members = ts.createMap();
+                symbol.members = ts.createSymbolTable();
             }
             if (symbolFlags & 107455) {
                 var valueDeclaration = symbol.valueDeclaration;
@@ -21807,17 +18575,18 @@ var ts;
             var name = ts.getNameOfDeclaration(node);
             if (name) {
                 if (ts.isAmbientModule(node)) {
-                    return ts.isGlobalScopeAugmentation(node) ? "__global" : "\"" + name.text + "\"";
+                    var moduleName = ts.getTextOfIdentifierOrLiteral(name);
+                    return (ts.isGlobalScopeAugmentation(node) ? "__global" : "\"" + moduleName + "\"");
                 }
                 if (name.kind === 144) {
                     var nameExpression = name.expression;
                     if (ts.isStringOrNumericLiteral(nameExpression)) {
-                        return nameExpression.text;
+                        return ts.escapeLeadingUnderscores(nameExpression.text);
                     }
                     ts.Debug.assert(ts.isWellKnownSymbolSyntactically(nameExpression));
-                    return ts.getPropertyNameForKnownSymbolName(nameExpression.name.text);
+                    return ts.getPropertyNameForKnownSymbolName(ts.unescapeLeadingUnderscores(nameExpression.name.escapedText));
                 }
-                return name.text;
+                return ts.getEscapedTextOfIdentifierOrLiteral(name);
             }
             switch (node.kind) {
                 case 152:
@@ -21842,22 +18611,22 @@ var ts;
                     break;
                 case 228:
                 case 229:
-                    return ts.hasModifier(node, 512) ? "default" : undefined;
-                case 279:
-                    return ts.isJSDocConstructSignature(node) ? "__new" : "__call";
+                    return (ts.hasModifier(node, 512) ? "default" : undefined);
+                case 273:
+                    return (ts.isJSDocConstructSignature(node) ? "__new" : "__call");
                 case 146:
-                    ts.Debug.assert(node.parent.kind === 279);
+                    ts.Debug.assert(node.parent.kind === 273);
                     var functionType = node.parent;
                     var index = ts.indexOf(functionType.parameters, node);
                     return "arg" + index;
-                case 291:
+                case 283:
                     var parentNode = node.parent && node.parent.parent;
                     var nameFromParentNode = void 0;
                     if (parentNode && parentNode.kind === 208) {
                         if (parentNode.declarationList.declarations.length > 0) {
                             var nameIdentifier = parentNode.declarationList.declarations[0].name;
-                            if (nameIdentifier.kind === 71) {
-                                nameFromParentNode = nameIdentifier.text;
+                            if (ts.isIdentifier(nameIdentifier)) {
+                                nameFromParentNode = nameIdentifier.escapedText;
                             }
                         }
                     }
@@ -21865,9 +18634,9 @@ var ts;
             }
         }
         function getDisplayName(node) {
-            return node.name ? ts.declarationNameToString(node.name) : getDeclarationName(node);
+            return node.name ? ts.declarationNameToString(node.name) : ts.unescapeLeadingUnderscores(getDeclarationName(node));
         }
-        function declareSymbol(symbolTable, parent, node, includes, excludes) {
+        function declareSymbol(symbolTable, parent, node, includes, excludes, isReplaceableByMethod) {
             ts.Debug.assert(!ts.hasDynamicName(node));
             var isDefaultExport = ts.hasModifier(node, 512);
             var name = isDefaultExport && parent ? "default" : getDeclarationName(node);
@@ -21877,13 +18646,18 @@ var ts;
             }
             else {
                 symbol = symbolTable.get(name);
+                if (includes & 788448) {
+                    classifiableNames.set(name, true);
+                }
                 if (!symbol) {
                     symbolTable.set(name, symbol = createSymbol(0, name));
+                    if (isReplaceableByMethod)
+                        symbol.isReplaceableByMethod = true;
                 }
-                if (name && (includes & 788448)) {
-                    classifiableNames.set(name, name);
+                else if (isReplaceableByMethod && !symbol.isReplaceableByMethod) {
+                    return symbol;
                 }
-                if (symbol.flags & excludes) {
+                else if (symbol.flags & excludes) {
                     if (symbol.isReplaceableByMethod) {
                         symbolTable.set(name, symbol = createSymbol(0, name));
                     }
@@ -21919,7 +18693,7 @@ var ts;
         }
         function declareModuleMember(node, symbolFlags, symbolExcludes) {
             var hasExportModifier = ts.getCombinedModifierFlags(node) & 1;
-            if (symbolFlags & 8388608) {
+            if (symbolFlags & 2097152) {
                 if (node.kind === 246 || (node.kind === 237 && hasExportModifier)) {
                     return declareSymbol(container.symbol.exports, container.symbol, node, symbolFlags, symbolExcludes);
                 }
@@ -21928,16 +18702,14 @@ var ts;
                 }
             }
             else {
-                if (node.kind === 291)
+                if (node.kind === 283)
                     ts.Debug.assert(ts.isInJavaScriptFile(node));
-                var isJSDocTypedefInJSDocNamespace = node.kind === 291 &&
+                var isJSDocTypedefInJSDocNamespace = node.kind === 283 &&
                     node.name &&
                     node.name.kind === 71 &&
                     node.name.isInJSDocNamespace;
                 if ((!ts.isAmbientModule(node) && (hasExportModifier || container.flags & 32)) || isJSDocTypedefInJSDocNamespace) {
-                    var exportKind = (symbolFlags & 107455 ? 1048576 : 0) |
-                        (symbolFlags & 793064 ? 2097152 : 0) |
-                        (symbolFlags & 1920 ? 4194304 : 0);
+                    var exportKind = symbolFlags & 107455 ? 1048576 : 0;
                     var local = declareSymbol(container.locals, undefined, node, exportKind, symbolExcludes);
                     local.exportSymbol = declareSymbol(container.symbol.exports, container.symbol, node, symbolFlags, symbolExcludes);
                     node.localSymbol = local;
@@ -21954,7 +18726,7 @@ var ts;
             if (containerFlags & 1) {
                 container = blockScopeContainer = node;
                 if (containerFlags & 32) {
-                    container.locals = ts.createMap();
+                    container.locals = ts.createSymbolTable();
                 }
                 addToContainerChain(container);
             }
@@ -22138,10 +18910,10 @@ var ts;
                 case 181:
                     bindCallExpressionFlow(node);
                     break;
-                case 283:
+                case 275:
                     bindJSDocComment(node);
                     break;
-                case 291:
+                case 283:
                     bindJSDocTypedefTag(node);
                     break;
                 default:
@@ -22257,40 +19029,23 @@ var ts;
                 return antecedent;
             }
             setFlowNodeReferenced(antecedent);
-            return {
-                flags: flags,
-                expression: expression,
-                antecedent: antecedent
-            };
+            return { flags: flags, expression: expression, antecedent: antecedent };
         }
         function createFlowSwitchClause(antecedent, switchStatement, clauseStart, clauseEnd) {
             if (!isNarrowingExpression(switchStatement.expression)) {
                 return antecedent;
             }
             setFlowNodeReferenced(antecedent);
-            return {
-                flags: 128,
-                switchStatement: switchStatement,
-                clauseStart: clauseStart,
-                clauseEnd: clauseEnd,
-                antecedent: antecedent
-            };
+            return { flags: 128, switchStatement: switchStatement, clauseStart: clauseStart, clauseEnd: clauseEnd, antecedent: antecedent };
         }
         function createFlowAssignment(antecedent, node) {
             setFlowNodeReferenced(antecedent);
-            return {
-                flags: 16,
-                antecedent: antecedent,
-                node: node
-            };
+            return { flags: 16, antecedent: antecedent, node: node };
         }
         function createFlowArrayMutation(antecedent, node) {
             setFlowNodeReferenced(antecedent);
-            return {
-                flags: 256,
-                antecedent: antecedent,
-                node: node
-            };
+            var res = { flags: 256, antecedent: antecedent, node: node };
+            return res;
         }
         function finishFlowLabel(flow) {
             var antecedents = flow.antecedents;
@@ -22462,7 +19217,7 @@ var ts;
         function bindBreakOrContinueStatement(node) {
             bind(node.label);
             if (node.label) {
-                var activeLabel = findActiveLabel(node.label.text);
+                var activeLabel = findActiveLabel(node.label.escapedText);
                 if (activeLabel) {
                     activeLabel.referenced = true;
                     bindBreakOrContinueFlow(node, activeLabel.breakTarget, activeLabel.continueTarget);
@@ -22575,7 +19330,7 @@ var ts;
             var postStatementLabel = createBranchLabel();
             bind(node.label);
             addAntecedent(preStatementLabel, currentFlow);
-            var activeLabel = pushActiveLabel(node.label.text, postStatementLabel, preStatementLabel);
+            var activeLabel = pushActiveLabel(node.label.escapedText, postStatementLabel, preStatementLabel);
             bind(node.statement);
             popActiveLabel();
             if (!activeLabel.referenced && !options.allowUnusedLabels) {
@@ -22724,7 +19479,7 @@ var ts;
         }
         function bindJSDocComment(node) {
             ts.forEachChild(node, function (n) {
-                if (n.kind !== 291) {
+                if (n.kind !== 283) {
                     bind(n);
                 }
             });
@@ -22764,13 +19519,11 @@ var ts;
                 case 232:
                 case 178:
                 case 163:
-                case 293:
-                case 275:
+                case 285:
                 case 254:
                     return 1;
                 case 230:
                     return 1 | 64;
-                case 279:
                 case 233:
                 case 231:
                 case 172:
@@ -22787,9 +19540,10 @@ var ts;
                 case 153:
                 case 154:
                 case 155:
+                case 273:
+                case 160:
                 case 156:
                 case 157:
-                case 160:
                 case 161:
                     return 1 | 4 | 32 | 8;
                 case 186:
@@ -22831,10 +19585,9 @@ var ts;
                 case 232:
                     return declareSymbol(container.symbol.exports, container.symbol, node, symbolFlags, symbolExcludes);
                 case 163:
+                case 285:
                 case 178:
                 case 230:
-                case 275:
-                case 293:
                 case 254:
                     return declareSymbol(container.symbol.members, container.symbol, node, symbolFlags, symbolExcludes);
                 case 160:
@@ -22850,7 +19603,7 @@ var ts;
                 case 228:
                 case 186:
                 case 187:
-                case 279:
+                case 273:
                 case 231:
                 case 172:
                     return declareSymbol(container.locals, undefined, node, symbolFlags, symbolExcludes);
@@ -22941,8 +19694,8 @@ var ts;
             addDeclarationToSymbol(symbol, node, 131072);
             var typeLiteralSymbol = createSymbol(2048, "__type");
             addDeclarationToSymbol(typeLiteralSymbol, node, 2048);
-            typeLiteralSymbol.members = ts.createMap();
-            typeLiteralSymbol.members.set(symbol.name, symbol);
+            typeLiteralSymbol.members = ts.createSymbolTable();
+            typeLiteralSymbol.members.set(symbol.escapedName, symbol);
         }
         function bindObjectLiteralExpression(node) {
             var ElementKind;
@@ -22951,7 +19704,7 @@ var ts;
                 ElementKind[ElementKind["Accessor"] = 2] = "Accessor";
             })(ElementKind || (ElementKind = {}));
             if (inStrictMode) {
-                var seen = ts.createMap();
+                var seen = ts.createUnderscoreEscapedMap();
                 for (var _i = 0, _a = node.properties; _i < _a.length; _i++) {
                     var prop = _a[_i];
                     if (prop.kind === 263 || prop.name.kind !== 71) {
@@ -22961,9 +19714,9 @@ var ts;
                     var currentKind = prop.kind === 261 || prop.kind === 262 || prop.kind === 151
                         ? 1
                         : 2;
-                    var existingKind = seen.get(identifier.text);
+                    var existingKind = seen.get(identifier.escapedText);
                     if (!existingKind) {
-                        seen.set(identifier.text, currentKind);
+                        seen.set(identifier.escapedText, currentKind);
                         continue;
                     }
                     if (currentKind === 1 && existingKind === 1) {
@@ -22996,7 +19749,7 @@ var ts;
                     }
                 default:
                     if (!blockScopeContainer.locals) {
-                        blockScopeContainer.locals = ts.createMap();
+                        blockScopeContainer.locals = ts.createSymbolTable();
                         addToContainerChain(blockScopeContainer);
                     }
                     declareSymbol(blockScopeContainer.locals, undefined, node, symbolFlags, symbolExcludes);
@@ -23042,15 +19795,14 @@ var ts;
             }
         }
         function isEvalOrArgumentsIdentifier(node) {
-            return node.kind === 71 &&
-                (node.text === "eval" || node.text === "arguments");
+            return ts.isIdentifier(node) && (node.escapedText === "eval" || node.escapedText === "arguments");
         }
         function checkStrictModeEvalOrArguments(contextNode, name) {
             if (name && name.kind === 71) {
                 var identifier = name;
                 if (isEvalOrArgumentsIdentifier(identifier)) {
                     var span_3 = ts.getErrorSpanForNode(file, name);
-                    file.bindDiagnostics.push(ts.createFileDiagnostic(file, span_3.start, span_3.length, getStrictModeEvalOrArgumentsMessage(contextNode), identifier.text));
+                    file.bindDiagnostics.push(ts.createFileDiagnostic(file, span_3.start, span_3.length, getStrictModeEvalOrArgumentsMessage(contextNode), ts.unescapeLeadingUnderscores(identifier.escapedText)));
                 }
             }
         }
@@ -23113,9 +19865,6 @@ var ts;
             var span = ts.getSpanOfTokenAtPosition(file, node.pos);
             file.bindDiagnostics.push(ts.createFileDiagnostic(file, span.start, span.length, message, arg0, arg1, arg2));
         }
-        function getDestructuringParameterName(node) {
-            return "__" + ts.indexOf(node.parent.parameters, node);
-        }
         function bind(node) {
             if (!node) {
                 return;
@@ -23153,7 +19902,7 @@ var ts;
                 }
                 for (var _b = 0, _c = jsDoc.tags; _b < _c.length; _b++) {
                     var tag = _c[_b];
-                    if (tag.kind === 291) {
+                    if (tag.kind === 283) {
                         var savedParent = parent;
                         parent = jsDoc;
                         bind(tag);
@@ -23164,8 +19913,8 @@ var ts;
         }
         function updateStrictModeStatementList(statements) {
             if (!inStrictMode) {
-                for (var _i = 0, statements_2 = statements; _i < statements_2.length; _i++) {
-                    var statement = statements_2[_i];
+                for (var _i = 0, statements_1 = statements; _i < statements_1.length; _i++) {
+                    var statement = statements_1[_i];
                     if (!ts.isPrologueDirective(statement)) {
                         return;
                     }
@@ -23185,7 +19934,7 @@ var ts;
                 case 71:
                     if (node.isInJSDocNamespace) {
                         var parentNode = node.parent;
-                        while (parentNode && parentNode.kind !== 291) {
+                        while (parentNode && parentNode.kind !== 283) {
                             parentNode = parentNode.parent;
                         }
                         bindBlockScopedDeclaration(parentNode, 524288, 793064);
@@ -23247,7 +19996,9 @@ var ts;
                 case 146:
                     return bindParameter(node);
                 case 226:
+                    return bindVariableDeclarationOrBindingElement(node);
                 case 176:
+                    node.flowNode = currentFlow;
                     return bindVariableDeclarationOrBindingElement(node);
                 case 149:
                 case 148:
@@ -23257,28 +20008,13 @@ var ts;
                     return bindPropertyOrMethodOrAccessor(node, 4, 0);
                 case 264:
                     return bindPropertyOrMethodOrAccessor(node, 8, 900095);
-                case 263:
-                case 255:
-                    var root = container;
-                    var hasRest = false;
-                    while (root.parent) {
-                        if (root.kind === 178 &&
-                            root.parent.kind === 194 &&
-                            root.parent.operatorToken.kind === 58 &&
-                            root.parent.left === root) {
-                            hasRest = true;
-                            break;
-                        }
-                        root = root.parent;
-                    }
-                    return;
                 case 155:
                 case 156:
                 case 157:
                     return declareSymbolAndAddToSymbolTable(node, 131072, 0);
                 case 151:
                 case 150:
-                    return bindPropertyOrMethodOrAccessor(node, 8192 | (node.questionToken ? 67108864 : 0), ts.isObjectLiteralMethod(node) ? 0 : 99263);
+                    return bindPropertyOrMethodOrAccessor(node, 8192 | (node.questionToken ? 16777216 : 0), ts.isObjectLiteralMethod(node) ? 0 : 99263);
                 case 228:
                     return bindFunctionDeclaration(node);
                 case 152:
@@ -23288,9 +20024,11 @@ var ts;
                 case 154:
                     return bindPropertyOrMethodOrAccessor(node, 65536, 74687);
                 case 160:
+                case 273:
                 case 161:
                     return bindFunctionOrConstructorType(node);
                 case 163:
+                case 285:
                 case 172:
                     return bindAnonymousTypeWorker(node);
                 case 178:
@@ -23323,7 +20061,7 @@ var ts;
                 case 240:
                 case 242:
                 case 246:
-                    return declareSymbolAndAddToSymbolTable(node, 8388608, 8388608);
+                    return declareSymbolAndAddToSymbolTable(node, 2097152, 2097152);
                 case 236:
                     return bindNamespaceExportDeclaration(node);
                 case 239:
@@ -23341,17 +20079,17 @@ var ts;
                     }
                 case 234:
                     return updateStrictModeStatementList(node.statements);
-                case 276:
-                    return bindPropertyWorker(node);
-                case 292:
-                    return declareSymbolAndAddToSymbolTable(node, node.isBracketed || (node.typeExpression && node.typeExpression.type.kind === 278) ?
-                        4 | 67108864 : 4, 0);
                 case 279:
-                    return bindFunctionOrConstructorType(node);
-                case 293:
-                case 275:
-                    return bindAnonymousTypeWorker(node);
-                case 291: {
+                    if (node.parent.kind !== 285) {
+                        break;
+                    }
+                case 284:
+                    var propTag = node;
+                    var flags = propTag.isBracketed || propTag.typeExpression.type.kind === 272 ?
+                        4 | 16777216 :
+                        4;
+                    return declareSymbolAndAddToSymbolTable(propTag, flags, 0);
+                case 283: {
                     var fullName = node.fullName;
                     if (!fullName || fullName.kind === 71) {
                         return bindBlockScopedDeclaration(node, 524288, 793064);
@@ -23361,7 +20099,7 @@ var ts;
             }
         }
         function bindPropertyWorker(node) {
-            return bindPropertyOrMethodOrAccessor(node, 4 | (node.questionToken ? 67108864 : 0), 0);
+            return bindPropertyOrMethodOrAccessor(node, 4 | (node.questionToken ? 16777216 : 0), 0);
         }
         function bindAnonymousTypeWorker(node) {
             return bindAnonymousDeclaration(node, 2048, "__type");
@@ -23387,13 +20125,13 @@ var ts;
         }
         function bindExportAssignment(node) {
             if (!container.symbol || !container.symbol.exports) {
-                bindAnonymousDeclaration(node, 8388608, getDeclarationName(node));
+                bindAnonymousDeclaration(node, 2097152, getDeclarationName(node));
             }
             else {
                 var flags = node.kind === 243 && ts.exportAssignmentIsAlias(node)
-                    ? 8388608
+                    ? 2097152
                     : 4;
-                declareSymbol(container.symbol.exports, container.symbol, node, flags, 4 | 8388608 | 32 | 16);
+                declareSymbol(container.symbol.exports, container.symbol, node, flags, 4 | 2097152 | 32 | 16);
             }
         }
         function bindNamespaceExportDeclaration(node) {
@@ -23415,20 +20153,20 @@ var ts;
                     return;
                 }
             }
-            file.symbol.globalExports = file.symbol.globalExports || ts.createMap();
-            declareSymbol(file.symbol.globalExports, file.symbol, node, 8388608, 8388608);
+            file.symbol.globalExports = file.symbol.globalExports || ts.createSymbolTable();
+            declareSymbol(file.symbol.globalExports, file.symbol, node, 2097152, 2097152);
         }
         function bindExportDeclaration(node) {
             if (!container.symbol || !container.symbol.exports) {
-                bindAnonymousDeclaration(node, 33554432, getDeclarationName(node));
+                bindAnonymousDeclaration(node, 8388608, getDeclarationName(node));
             }
             else if (!node.exportClause) {
-                declareSymbol(container.symbol.exports, container.symbol, node, 33554432, 0);
+                declareSymbol(container.symbol.exports, container.symbol, node, 8388608, 0);
             }
         }
         function bindImportClause(node) {
             if (node.name) {
-                declareSymbolAndAddToSymbolTable(node, 8388608, 8388608);
+                declareSymbolAndAddToSymbolTable(node, 2097152, 2097152);
             }
         }
         function setCommonJsModuleIndicator(node) {
@@ -23441,7 +20179,7 @@ var ts;
         }
         function bindExportsPropertyAssignment(node) {
             setCommonJsModuleIndicator(node);
-            declareSymbol(file.symbol.exports, file.symbol, node.left, 4 | 7340032, 0);
+            declareSymbol(file.symbol.exports, file.symbol, node.left, 4 | 1048576, 0);
         }
         function isExportsOrModuleExportsOrAlias(node) {
             return ts.isExportsIdentifier(node) ||
@@ -23449,20 +20187,16 @@ var ts;
                 isNameOfExportsOrModuleExportsAliasDeclaration(node);
         }
         function isNameOfExportsOrModuleExportsAliasDeclaration(node) {
-            if (node.kind === 71) {
-                var symbol = lookupSymbolForName(node.text);
-                if (symbol && symbol.valueDeclaration && symbol.valueDeclaration.kind === 226) {
-                    var declaration = symbol.valueDeclaration;
-                    if (declaration.initializer) {
-                        return isExportsOrModuleExportsOrAliasOrAssignemnt(declaration.initializer);
-                    }
-                }
+            if (ts.isIdentifier(node)) {
+                var symbol = lookupSymbolForName(node.escapedText);
+                return symbol && symbol.valueDeclaration && ts.isVariableDeclaration(symbol.valueDeclaration) &&
+                    symbol.valueDeclaration.initializer && isExportsOrModuleExportsOrAliasOrAssignment(symbol.valueDeclaration.initializer);
             }
             return false;
         }
-        function isExportsOrModuleExportsOrAliasOrAssignemnt(node) {
+        function isExportsOrModuleExportsOrAliasOrAssignment(node) {
             return isExportsOrModuleExportsOrAlias(node) ||
-                (ts.isAssignmentExpression(node, true) && (isExportsOrModuleExportsOrAliasOrAssignemnt(node.left) || isExportsOrModuleExportsOrAliasOrAssignemnt(node.right)));
+                (ts.isAssignmentExpression(node, true) && (isExportsOrModuleExportsOrAliasOrAssignment(node.left) || isExportsOrModuleExportsOrAliasOrAssignment(node.right)));
         }
         function bindModuleExportsAssignment(node) {
             var assignedExpression = ts.getRightMostAssignedExpression(node.right);
@@ -23471,7 +20205,7 @@ var ts;
                 return;
             }
             setCommonJsModuleIndicator(node);
-            declareSymbol(file.symbol.exports, file.symbol, node, 4 | 7340032 | 512, 0);
+            declareSymbol(file.symbol.exports, file.symbol, node, 4 | 1048576 | 512, 0);
         }
         function bindThisPropertyAssignment(node) {
             ts.Debug.assert(ts.isInJavaScriptFile(node));
@@ -23479,7 +20213,7 @@ var ts;
             switch (container.kind) {
                 case 228:
                 case 186:
-                    container.symbol.members = container.symbol.members || ts.createMap();
+                    container.symbol.members = container.symbol.members || ts.createSymbolTable();
                     declareSymbol(container.symbol.members, container.symbol, node, 4, 0 & ~4);
                     break;
                 case 152:
@@ -23488,10 +20222,8 @@ var ts;
                 case 153:
                 case 154:
                     var containingClass = container.parent;
-                    var symbol = declareSymbol(ts.hasModifier(container, 32) ? containingClass.symbol.exports : containingClass.symbol.members, containingClass.symbol, node, 4, 0);
-                    if (symbol) {
-                        symbol.isReplaceableByMethod = true;
-                    }
+                    var symbolTable = ts.hasModifier(container, 32) ? containingClass.symbol.exports : containingClass.symbol.members;
+                    declareSymbol(symbolTable, containingClass.symbol, node, 4, 0, true);
                     break;
             }
         }
@@ -23502,7 +20234,7 @@ var ts;
             leftSideOfAssignment.parent = node;
             constructorFunction.parent = classPrototype;
             classPrototype.parent = leftSideOfAssignment;
-            bindPropertyAssignment(constructorFunction.text, leftSideOfAssignment, true);
+            bindPropertyAssignment(constructorFunction.escapedText, leftSideOfAssignment, true);
         }
         function bindStaticPropertyAssignment(node) {
             var leftSideOfAssignment = node.left;
@@ -23513,7 +20245,7 @@ var ts;
                 bindExportsPropertyAssignment(node);
             }
             else {
-                bindPropertyAssignment(target.text, leftSideOfAssignment, false);
+                bindPropertyAssignment(target.escapedText, leftSideOfAssignment, false);
             }
         }
         function lookupSymbolForName(name) {
@@ -23528,8 +20260,8 @@ var ts;
                 return;
             }
             var symbolTable = isPrototypeProperty ?
-                (targetSymbol.members || (targetSymbol.members = ts.createMap())) :
-                (targetSymbol.exports || (targetSymbol.exports = ts.createMap()));
+                (targetSymbol.members || (targetSymbol.members = ts.createSymbolTable())) :
+                (targetSymbol.exports || (targetSymbol.exports = ts.createSymbolTable()));
             declareSymbol(symbolTable, targetSymbol, propertyAccessExpression, 4, 0);
         }
         function bindCallExpression(node) {
@@ -23542,22 +20274,22 @@ var ts;
                 bindBlockScopedDeclaration(node, 32, 899519);
             }
             else {
-                var bindingName = node.name ? node.name.text : "__class";
+                var bindingName = node.name ? node.name.escapedText : "__class";
                 bindAnonymousDeclaration(node, 32, bindingName);
                 if (node.name) {
-                    classifiableNames.set(node.name.text, node.name.text);
+                    classifiableNames.set(node.name.escapedText, true);
                 }
             }
             var symbol = node.symbol;
-            var prototypeSymbol = createSymbol(4 | 16777216, "prototype");
-            var symbolExport = symbol.exports.get(prototypeSymbol.name);
+            var prototypeSymbol = createSymbol(4 | 4194304, "prototype");
+            var symbolExport = symbol.exports.get(prototypeSymbol.escapedName);
             if (symbolExport) {
                 if (node.name) {
                     node.name.parent = node;
                 }
-                file.bindDiagnostics.push(ts.createDiagnosticForNode(symbolExport.declarations[0], ts.Diagnostics.Duplicate_identifier_0, prototypeSymbol.name));
+                file.bindDiagnostics.push(ts.createDiagnosticForNode(symbolExport.declarations[0], ts.Diagnostics.Duplicate_identifier_0, ts.unescapeLeadingUnderscores(prototypeSymbol.escapedName)));
             }
-            symbol.exports.set(prototypeSymbol.name, prototypeSymbol);
+            symbol.exports.set(prototypeSymbol.escapedName, prototypeSymbol);
             prototypeSymbol.parent = symbol;
         }
         function bindEnumDeclaration(node) {
@@ -23586,14 +20318,14 @@ var ts;
                 checkStrictModeEvalOrArguments(node, node.name);
             }
             if (ts.isBindingPattern(node.name)) {
-                bindAnonymousDeclaration(node, 1, getDestructuringParameterName(node));
+                bindAnonymousDeclaration(node, 1, "__" + ts.indexOf(node.parent.parameters, node));
             }
             else {
                 declareSymbolAndAddToSymbolTable(node, 1, 107455);
             }
             if (ts.isParameterPropertyDeclaration(node)) {
                 var classDeclaration = node.parent.parent;
-                declareSymbol(classDeclaration.symbol.members, classDeclaration.symbol, node, 4 | (node.questionToken ? 67108864 : 0), 0);
+                declareSymbol(classDeclaration.symbol.members, classDeclaration.symbol, node, 4 | (node.questionToken ? 16777216 : 0), 0);
             }
         }
         function bindFunctionDeclaration(node) {
@@ -23621,7 +20353,7 @@ var ts;
                 node.flowNode = currentFlow;
             }
             checkStrictModeFunctionName(node);
-            var bindingName = node.name ? node.name.text : "__function";
+            var bindingName = node.name ? node.name.escapedText : "__function";
             return bindAnonymousDeclaration(node, 16, bindingName);
         }
         function bindPropertyOrMethodOrAccessor(node, symbolFlags, symbolExcludes) {
@@ -23781,7 +20513,6 @@ var ts;
     }
     function computeParameter(node, subtreeFlags) {
         var transformFlags = subtreeFlags;
-        var modifierFlags = ts.getModifierFlags(node);
         var name = node.name;
         var initializer = node.initializer;
         var dotDotDotToken = node.dotDotDotToken;
@@ -23791,7 +20522,7 @@ var ts;
             || ts.isThisIdentifier(name)) {
             transformFlags |= 3;
         }
-        if (modifierFlags & 92) {
+        if (ts.hasModifier(node, 92)) {
             transformFlags |= 3 | 262144;
         }
         if (subtreeFlags & 1048576) {
@@ -23820,8 +20551,7 @@ var ts;
     }
     function computeClassDeclaration(node, subtreeFlags) {
         var transformFlags;
-        var modifierFlags = ts.getModifierFlags(node);
-        if (modifierFlags & 2) {
+        if (ts.hasModifier(node, 2)) {
             transformFlags = 3;
         }
         else {
@@ -23867,7 +20597,10 @@ var ts;
     }
     function computeCatchClause(node, subtreeFlags) {
         var transformFlags = subtreeFlags;
-        if (node.variableDeclaration && ts.isBindingPattern(node.variableDeclaration.name)) {
+        if (!node.variableDeclaration) {
+            transformFlags |= 8;
+        }
+        else if (ts.isBindingPattern(node.variableDeclaration.name)) {
             transformFlags |= 192;
         }
         node.transformFlags = transformFlags | 536870912;
@@ -24031,9 +20764,8 @@ var ts;
     }
     function computeVariableStatement(node, subtreeFlags) {
         var transformFlags;
-        var modifierFlags = ts.getModifierFlags(node);
         var declarationListTransformFlags = node.declarationList.transformFlags;
-        if (modifierFlags & 2) {
+        if (ts.hasModifier(node, 2)) {
             transformFlags = 3;
         }
         else {
@@ -24354,6 +21086,12 @@ var ts;
         return symbol.id;
     }
     ts.getSymbolId = getSymbolId;
+    function isInstantiatedModule(node, preserveConstEnums) {
+        var moduleState = ts.getModuleInstanceState(node);
+        return moduleState === 1 ||
+            (preserveConstEnums && moduleState === 2);
+    }
+    ts.isInstantiatedModule = isInstantiatedModule;
     function createTypeChecker(host, produceDiagnostics) {
         var cancellationToken;
         var requestedExternalEmitHelpers;
@@ -24365,8 +21103,7 @@ var ts;
         var symbolCount = 0;
         var enumCount = 0;
         var symbolInstantiationDepth = 0;
-        var emptyArray = [];
-        var emptySymbols = ts.createMap();
+        var emptySymbols = ts.createSymbolTable();
         var compilerOptions = host.getCompilerOptions();
         var languageVersion = ts.getEmitScriptTarget(compilerOptions);
         var modulekind = ts.getEmitModuleKind(compilerOptions);
@@ -24380,6 +21117,7 @@ var ts;
         var undefinedSymbol = createSymbol(4, "undefined");
         undefinedSymbol.declarations = [];
         var argumentsSymbol = createSymbol(4, "arguments");
+        var apparentArgumentCount;
         var checker = {
             getNodeCount: function () { return ts.sum(host.getSourceFiles(), "nodeCount"); },
             getIdentifierCount: function () { return ts.sum(host.getSourceFiles(), "identifierCount"); },
@@ -24398,11 +21136,11 @@ var ts;
             getSymbolsOfParameterPropertyDeclaration: function (parameter, parameterName) {
                 parameter = ts.getParseTreeNode(parameter, ts.isParameter);
                 ts.Debug.assert(parameter !== undefined, "Cannot get symbols of a synthetic parameter that cannot be resolved to a parse-tree node.");
-                return getSymbolsOfParameterPropertyDeclaration(parameter, parameterName);
+                return getSymbolsOfParameterPropertyDeclaration(parameter, ts.escapeLeadingUnderscores(parameterName));
             },
             getDeclaredTypeOfSymbol: getDeclaredTypeOfSymbol,
             getPropertiesOfType: getPropertiesOfType,
-            getPropertyOfType: getPropertyOfType,
+            getPropertyOfType: function (type, name) { return getPropertyOfType(type, ts.escapeLeadingUnderscores(name)); },
             getIndexInfoOfType: getIndexInfoOfType,
             getSignaturesOfType: getSignaturesOfType,
             getIndexTypeOfType: getIndexTypeOfType,
@@ -24415,6 +21153,7 @@ var ts;
             },
             getParameterType: getTypeAtPosition,
             getReturnTypeOfSignature: getReturnTypeOfSignature,
+            getNullableType: getNullableType,
             getNonNullableType: getNonNullableType,
             typeToTypeNode: nodeBuilder.typeToTypeNode,
             indexInfoToIndexSignatureDeclaration: nodeBuilder.indexInfoToIndexSignatureDeclaration,
@@ -24460,9 +21199,12 @@ var ts;
                 return node ? getContextualType(node) : undefined;
             },
             getFullyQualifiedName: getFullyQualifiedName,
-            getResolvedSignature: function (node, candidatesOutArray) {
+            getResolvedSignature: function (node, candidatesOutArray, theArgumentCount) {
                 node = ts.getParseTreeNode(node, ts.isCallLikeExpression);
-                return node ? getResolvedSignature(node, candidatesOutArray) : undefined;
+                apparentArgumentCount = theArgumentCount;
+                var res = node ? getResolvedSignature(node, candidatesOutArray) : undefined;
+                apparentArgumentCount = undefined;
+                return res;
             },
             getConstantValue: function (node) {
                 node = ts.getParseTreeNode(node, canHaveConstantValue);
@@ -24470,18 +21212,18 @@ var ts;
             },
             isValidPropertyAccess: function (node, propertyName) {
                 node = ts.getParseTreeNode(node, ts.isPropertyAccessOrQualifiedName);
-                return node ? isValidPropertyAccess(node, propertyName) : false;
+                return node ? isValidPropertyAccess(node, ts.escapeLeadingUnderscores(propertyName)) : false;
             },
             getSignatureFromDeclaration: function (declaration) {
                 declaration = ts.getParseTreeNode(declaration, ts.isFunctionLike);
                 return declaration ? getSignatureFromDeclaration(declaration) : undefined;
             },
             isImplementationOfOverload: function (node) {
-                node = ts.getParseTreeNode(node, ts.isFunctionLike);
-                return node ? isImplementationOfOverload(node) : undefined;
+                var parsed = ts.getParseTreeNode(node, ts.isFunctionLike);
+                return parsed ? isImplementationOfOverload(parsed) : undefined;
             },
             getImmediateAliasedSymbol: function (symbol) {
-                ts.Debug.assert((symbol.flags & 8388608) !== 0, "Should only get Alias here.");
+                ts.Debug.assert((symbol.flags & 2097152) !== 0, "Should only get Alias here.");
                 var links = getSymbolLinks(symbol);
                 if (!links.immediateTarget) {
                     var node = getDeclarationOfAliasSymbol(symbol);
@@ -24504,20 +21246,20 @@ var ts;
                 node = ts.getParseTreeNode(node, ts.isParameter);
                 return node ? isOptionalParameter(node) : false;
             },
-            tryGetMemberInModuleExports: tryGetMemberInModuleExports,
+            tryGetMemberInModuleExports: function (name, symbol) { return tryGetMemberInModuleExports(ts.escapeLeadingUnderscores(name), symbol); },
+            tryGetMemberInModuleExportsAndProperties: function (name, symbol) { return tryGetMemberInModuleExportsAndProperties(ts.escapeLeadingUnderscores(name), symbol); },
             tryFindAmbientModuleWithoutAugmentations: function (moduleName) {
                 return tryFindAmbientModule(moduleName, false);
             },
             getApparentType: getApparentType,
             getAllPossiblePropertiesOfType: getAllPossiblePropertiesOfType,
-            getSuggestionForNonexistentProperty: getSuggestionForNonexistentProperty,
-            getSuggestionForNonexistentSymbol: getSuggestionForNonexistentSymbol,
+            getSuggestionForNonexistentProperty: function (node, type) { return ts.unescapeLeadingUnderscores(getSuggestionForNonexistentProperty(node, type)); },
+            getSuggestionForNonexistentSymbol: function (location, name, meaning) { return ts.unescapeLeadingUnderscores(getSuggestionForNonexistentSymbol(location, ts.escapeLeadingUnderscores(name), meaning)); },
             getBaseConstraintOfType: getBaseConstraintOfType,
-            getJsxNamespace: getJsxNamespace,
-            resolveNameAtLocation: function (location, name, meaning) {
-                location = ts.getParseTreeNode(location);
-                return resolveName(location, name, meaning, undefined, name);
+            resolveName: function (name, location, meaning) {
+                return resolveName(location, ts.escapeLeadingUnderscores(name), meaning, undefined, undefined);
             },
+            getJsxNamespace: function () { return ts.unescapeLeadingUnderscores(getJsxNamespace()); },
         };
         var tupleTypes = [];
         var unionTypes = ts.createMap();
@@ -24544,23 +21286,23 @@ var ts;
         var neverType = createIntrinsicType(8192, "never");
         var silentNeverType = createIntrinsicType(8192, "never");
         var nonPrimitiveType = createIntrinsicType(16777216, "object");
-        var emptyObjectType = createAnonymousType(undefined, emptySymbols, emptyArray, emptyArray, undefined, undefined);
+        var emptyObjectType = createAnonymousType(undefined, emptySymbols, ts.emptyArray, ts.emptyArray, undefined, undefined);
         var emptyTypeLiteralSymbol = createSymbol(2048, "__type");
-        emptyTypeLiteralSymbol.members = ts.createMap();
-        var emptyTypeLiteralType = createAnonymousType(emptyTypeLiteralSymbol, emptySymbols, emptyArray, emptyArray, undefined, undefined);
-        var emptyGenericType = createAnonymousType(undefined, emptySymbols, emptyArray, emptyArray, undefined, undefined);
+        emptyTypeLiteralSymbol.members = ts.createSymbolTable();
+        var emptyTypeLiteralType = createAnonymousType(emptyTypeLiteralSymbol, emptySymbols, ts.emptyArray, ts.emptyArray, undefined, undefined);
+        var emptyGenericType = createAnonymousType(undefined, emptySymbols, ts.emptyArray, ts.emptyArray, undefined, undefined);
         emptyGenericType.instantiations = ts.createMap();
-        var anyFunctionType = createAnonymousType(undefined, emptySymbols, emptyArray, emptyArray, undefined, undefined);
+        var anyFunctionType = createAnonymousType(undefined, emptySymbols, ts.emptyArray, ts.emptyArray, undefined, undefined);
         anyFunctionType.flags |= 8388608;
-        var noConstraintType = createAnonymousType(undefined, emptySymbols, emptyArray, emptyArray, undefined, undefined);
-        var circularConstraintType = createAnonymousType(undefined, emptySymbols, emptyArray, emptyArray, undefined, undefined);
-        var anySignature = createSignature(undefined, undefined, undefined, emptyArray, anyType, undefined, 0, false, false);
-        var unknownSignature = createSignature(undefined, undefined, undefined, emptyArray, unknownType, undefined, 0, false, false);
-        var resolvingSignature = createSignature(undefined, undefined, undefined, emptyArray, anyType, undefined, 0, false, false);
-        var silentNeverSignature = createSignature(undefined, undefined, undefined, emptyArray, silentNeverType, undefined, 0, false, false);
+        var noConstraintType = createAnonymousType(undefined, emptySymbols, ts.emptyArray, ts.emptyArray, undefined, undefined);
+        var circularConstraintType = createAnonymousType(undefined, emptySymbols, ts.emptyArray, ts.emptyArray, undefined, undefined);
+        var anySignature = createSignature(undefined, undefined, undefined, ts.emptyArray, anyType, undefined, 0, false, false);
+        var unknownSignature = createSignature(undefined, undefined, undefined, ts.emptyArray, unknownType, undefined, 0, false, false);
+        var resolvingSignature = createSignature(undefined, undefined, undefined, ts.emptyArray, anyType, undefined, 0, false, false);
+        var silentNeverSignature = createSignature(undefined, undefined, undefined, ts.emptyArray, silentNeverType, undefined, 0, false, false);
         var enumNumberIndexInfo = createIndexInfo(stringType, true);
         var jsObjectLiteralIndexInfo = createIndexInfo(anyType, false);
-        var globals = ts.createMap();
+        var globals = ts.createSymbolTable();
         var patternAmbientModules;
         var globalObjectType;
         var globalFunctionType;
@@ -24707,7 +21449,7 @@ var ts;
         var _hasComputedJsxElementPropertiesName = false;
         var _jsxElementChildrenPropertyName;
         var _hasComputedJsxElementChildrenPropertyName = false;
-        var jsxTypes = ts.createMap();
+        var jsxTypes = ts.createUnderscoreEscapedMap();
         var JsxNames = {
             JSX: "JSX",
             IntrinsicElements: "IntrinsicElements",
@@ -24737,8 +21479,8 @@ var ts;
             CheckMode[CheckMode["SkipContextSensitive"] = 1] = "SkipContextSensitive";
             CheckMode[CheckMode["Inferential"] = 2] = "Inferential";
         })(CheckMode || (CheckMode = {}));
-        var builtinGlobals = ts.createMap();
-        builtinGlobals.set(undefinedSymbol.name, undefinedSymbol);
+        var builtinGlobals = ts.createSymbolTable();
+        builtinGlobals.set(undefinedSymbol.escapedName, undefinedSymbol);
         initializeTypeChecker();
         return checker;
         function getJsxNamespace() {
@@ -24747,11 +21489,11 @@ var ts;
                 if (compilerOptions.jsxFactory) {
                     _jsxFactoryEntity = ts.parseIsolatedEntityName(compilerOptions.jsxFactory, languageVersion);
                     if (_jsxFactoryEntity) {
-                        _jsxNamespace = getFirstIdentifier(_jsxFactoryEntity).text;
+                        _jsxNamespace = getFirstIdentifier(_jsxFactoryEntity).escapedText;
                     }
                 }
                 else if (compilerOptions.reactNamespace) {
-                    _jsxNamespace = compilerOptions.reactNamespace;
+                    _jsxNamespace = ts.escapeLeadingUnderscores(compilerOptions.reactNamespace);
                 }
             }
             return _jsxNamespace;
@@ -24768,12 +21510,12 @@ var ts;
         }
         function createSymbol(flags, name) {
             symbolCount++;
-            var symbol = (new Symbol(flags | 134217728, name));
+            var symbol = (new Symbol(flags | 33554432, name));
             symbol.checkFlags = 0;
             return symbol;
         }
         function isTransientSymbol(symbol) {
-            return (symbol.flags & 134217728) !== 0;
+            return (symbol.flags & 33554432) !== 0;
         }
         function getExcludedSymbolFlags(flags) {
             var result = 0;
@@ -24807,8 +21549,8 @@ var ts;
                 result |= 530920;
             if (flags & 524288)
                 result |= 793064;
-            if (flags & 8388608)
-                result |= 8388608;
+            if (flags & 2097152)
+                result |= 2097152;
             return result;
         }
         function recordMergedSymbol(target, source) {
@@ -24819,7 +21561,7 @@ var ts;
             mergedSymbols[source.mergeId] = target;
         }
         function cloneSymbol(symbol) {
-            var result = createSymbol(symbol.flags, symbol.name);
+            var result = createSymbol(symbol.flags, symbol.escapedName);
             result.declarations = symbol.declarations.slice(0);
             result.parent = symbol.parent;
             if (symbol.valueDeclaration)
@@ -24847,12 +21589,12 @@ var ts;
                 ts.addRange(target.declarations, source.declarations);
                 if (source.members) {
                     if (!target.members)
-                        target.members = ts.createMap();
+                        target.members = ts.createSymbolTable();
                     mergeSymbolTable(target.members, source.members);
                 }
                 if (source.exports) {
                     if (!target.exports)
-                        target.exports = ts.createMap();
+                        target.exports = ts.createSymbolTable();
                     mergeSymbolTable(target.exports, source.exports);
                 }
                 recordMergedSymbol(target, source);
@@ -24878,7 +21620,7 @@ var ts;
                     target.set(id, sourceSymbol);
                 }
                 else {
-                    if (!(targetSymbol.flags & 134217728)) {
+                    if (!(targetSymbol.flags & 33554432)) {
                         targetSymbol = cloneSymbol(targetSymbol);
                         target.set(id, targetSymbol);
                     }
@@ -24905,7 +21647,7 @@ var ts;
                 }
                 mainModule = resolveExternalModuleSymbol(mainModule);
                 if (mainModule.flags & 1920) {
-                    mainModule = mainModule.flags & 134217728 ? mainModule : cloneSymbol(mainModule);
+                    mainModule = mainModule.flags & 33554432 ? mainModule : cloneSymbol(mainModule);
                     mergeSymbol(mainModule, moduleAugmentation.symbol);
                 }
                 else {
@@ -24917,7 +21659,7 @@ var ts;
             source.forEach(function (sourceSymbol, id) {
                 var targetSymbol = target.get(id);
                 if (targetSymbol) {
-                    ts.forEach(targetSymbol.declarations, addDeclarationDiagnostic(id, message));
+                    ts.forEach(targetSymbol.declarations, addDeclarationDiagnostic(ts.unescapeLeadingUnderscores(id), message));
                 }
                 else {
                     target.set(id, sourceSymbol);
@@ -24928,7 +21670,7 @@ var ts;
             }
         }
         function getSymbolLinks(symbol) {
-            if (symbol.flags & 134217728)
+            if (symbol.flags & 33554432)
                 return symbol;
             var id = getSymbolId(symbol);
             return symbolLinks[id] || (symbolLinks[id] = {});
@@ -24951,7 +21693,7 @@ var ts;
                     if (symbol.flags & meaning) {
                         return symbol;
                     }
-                    if (symbol.flags & 8388608) {
+                    if (symbol.flags & 2097152) {
                         var target = resolveAlias(symbol);
                         if (target === unknownSymbol || target.flags & meaning) {
                             return symbol;
@@ -25000,7 +21742,10 @@ var ts;
                 }
                 return true;
             }
-            if (usage.parent.kind === 246) {
+            if (usage.parent.kind === 246 || (usage.parent.kind === 243 && usage.parent.isExportEquals)) {
+                return true;
+            }
+            if (usage.kind === 243 && usage.isExportEquals) {
                 return true;
             }
             var container = ts.getEnclosingBlockScopeContainer(declaration);
@@ -25030,13 +21775,13 @@ var ts;
                         current.parent.kind === 149 &&
                         current.parent.initializer === current;
                     if (initializerOfProperty) {
-                        if (ts.getModifierFlags(current.parent) & 32) {
+                        if (ts.hasModifier(current.parent, 32)) {
                             if (declaration.kind === 151) {
                                 return true;
                             }
                         }
                         else {
-                            var isDeclarationInstanceProperty = declaration.kind === 149 && !(ts.getModifierFlags(declaration) & 32);
+                            var isDeclarationInstanceProperty = declaration.kind === 149 && !ts.hasModifier(declaration, 32);
                             if (!isDeclarationInstanceProperty || ts.getContainingClass(usage) !== ts.getContainingClass(declaration)) {
                                 return true;
                             }
@@ -25061,7 +21806,7 @@ var ts;
                     if (result = lookup(location.locals, name, meaning)) {
                         var useResult = true;
                         if (ts.isFunctionLike(location) && lastLocation && lastLocation !== location.body) {
-                            if (meaning & result.flags & 793064 && lastLocation.kind !== 283) {
+                            if (meaning & result.flags & 793064 && lastLocation.kind !== 275) {
                                 useResult = result.flags & 262144
                                     ? lastLocation === location.type ||
                                         lastLocation.kind === 146 ||
@@ -25093,19 +21838,19 @@ var ts;
                         if (location.kind === 265 || ts.isAmbientModule(location)) {
                             if (result = moduleExports.get("default")) {
                                 var localSymbol = ts.getLocalSymbolForExportDefault(result);
-                                if (localSymbol && (result.flags & meaning) && localSymbol.name === name) {
+                                if (localSymbol && (result.flags & meaning) && localSymbol.escapedName === name) {
                                     break loop;
                                 }
                                 result = undefined;
                             }
                             var moduleExport = moduleExports.get(name);
                             if (moduleExport &&
-                                moduleExport.flags === 8388608 &&
+                                moduleExport.flags === 2097152 &&
                                 ts.getDeclarationOfKind(moduleExport, 246)) {
                                 break;
                             }
                         }
-                        if (result = lookup(moduleExports, name, meaning & 8914931)) {
+                        if (result = lookup(moduleExports, name, meaning & 2623475)) {
                             break loop;
                         }
                         break;
@@ -25116,7 +21861,7 @@ var ts;
                         break;
                     case 149:
                     case 148:
-                        if (ts.isClassLike(location.parent) && !(ts.getModifierFlags(location) & 32)) {
+                        if (ts.isClassLike(location.parent) && !ts.hasModifier(location, 32)) {
                             var ctor = findConstructorDeclaration(location.parent);
                             if (ctor && ctor.locals) {
                                 if (lookup(ctor.locals, name, meaning & 107455)) {
@@ -25133,7 +21878,7 @@ var ts;
                                 result = undefined;
                                 break;
                             }
-                            if (lastLocation && ts.getModifierFlags(lastLocation) & 32) {
+                            if (lastLocation && ts.hasModifier(lastLocation, 32)) {
                                 error(errorLocation, ts.Diagnostics.Static_members_cannot_reference_class_type_parameters);
                                 return undefined;
                             }
@@ -25141,7 +21886,7 @@ var ts;
                         }
                         if (location.kind === 199 && meaning & 32) {
                             var className = location.name;
-                            if (className && name === className.text) {
+                            if (className && name === className.escapedText) {
                                 result = location.symbol;
                                 break loop;
                             }
@@ -25175,7 +21920,7 @@ var ts;
                         }
                         if (meaning & 16) {
                             var functionName = location.name;
-                            if (functionName && name === functionName.text) {
+                            if (functionName && name === functionName.escapedText) {
                                 result = location.symbol;
                                 break loop;
                             }
@@ -25193,7 +21938,7 @@ var ts;
                 lastLocation = location;
                 location = location.parent;
             }
-            if (result && nameNotFoundMessage && noUnusedIdentifiers) {
+            if (result && nameNotFoundMessage && noUnusedIdentifiers && result !== lastLocation.symbol) {
                 result.isReferenced = true;
             }
             if (!result) {
@@ -25211,11 +21956,11 @@ var ts;
                         if (suggestedNameNotFoundMessage && suggestionCount < maximumSuggestionCount) {
                             suggestion = getSuggestionForNonexistentSymbol(originalLocation, name, meaning);
                             if (suggestion) {
-                                error(errorLocation, suggestedNameNotFoundMessage, typeof nameArg === "string" ? nameArg : ts.declarationNameToString(nameArg), suggestion);
+                                error(errorLocation, suggestedNameNotFoundMessage, diagnosticName(nameArg), ts.unescapeLeadingUnderscores(suggestion));
                             }
                         }
                         if (!suggestion) {
-                            error(errorLocation, nameNotFoundMessage, typeof nameArg === "string" ? nameArg : ts.declarationNameToString(nameArg));
+                            error(errorLocation, nameNotFoundMessage, diagnosticName(nameArg));
                         }
                         suggestionCount++;
                     }
@@ -25225,7 +21970,7 @@ var ts;
             if (nameNotFoundMessage) {
                 if (propertyWithInvalidInitializer) {
                     var propertyName = propertyWithInvalidInitializer.name;
-                    error(errorLocation, ts.Diagnostics.Initializer_of_instance_member_variable_0_cannot_reference_identifier_1_declared_in_the_constructor, ts.declarationNameToString(propertyName), typeof nameArg === "string" ? nameArg : ts.declarationNameToString(nameArg));
+                    error(errorLocation, ts.Diagnostics.Initializer_of_instance_member_variable_0_cannot_reference_identifier_1_declared_in_the_constructor, ts.declarationNameToString(propertyName), diagnosticName(nameArg));
                     return undefined;
                 }
                 if (errorLocation &&
@@ -25239,12 +21984,15 @@ var ts;
                 if (result && isInExternalModule && (meaning & 107455) === 107455) {
                     var decls = result.declarations;
                     if (decls && decls.length === 1 && decls[0].kind === 236) {
-                        error(errorLocation, ts.Diagnostics._0_refers_to_a_UMD_global_but_the_current_file_is_a_module_Consider_adding_an_import_instead, name);
+                        error(errorLocation, ts.Diagnostics._0_refers_to_a_UMD_global_but_the_current_file_is_a_module_Consider_adding_an_import_instead, ts.unescapeLeadingUnderscores(name));
                     }
                 }
             }
             return result;
         }
+        function diagnosticName(nameArg) {
+            return typeof nameArg === "string" ? ts.unescapeLeadingUnderscores(nameArg) : ts.declarationNameToString(nameArg);
+        }
         function isTypeParameterSymbolDeclaredInContainer(symbol, container) {
             for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) {
                 var decl = _a[_i];
@@ -25268,13 +22016,13 @@ var ts;
                     }
                     var constructorType = getTypeOfSymbol(classSymbol);
                     if (getPropertyOfType(constructorType, name)) {
-                        error(errorLocation, ts.Diagnostics.Cannot_find_name_0_Did_you_mean_the_static_member_1_0, typeof nameArg === "string" ? nameArg : ts.declarationNameToString(nameArg), symbolToString(classSymbol));
+                        error(errorLocation, ts.Diagnostics.Cannot_find_name_0_Did_you_mean_the_static_member_1_0, diagnosticName(nameArg), symbolToString(classSymbol));
                         return true;
                     }
-                    if (location === container && !(ts.getModifierFlags(location) & 32)) {
+                    if (location === container && !ts.hasModifier(location, 32)) {
                         var instanceType = getDeclaredTypeOfSymbol(classSymbol).thisType;
                         if (getPropertyOfType(instanceType, name)) {
-                            error(errorLocation, ts.Diagnostics.Cannot_find_name_0_Did_you_mean_the_instance_member_this_0, typeof nameArg === "string" ? nameArg : ts.declarationNameToString(nameArg));
+                            error(errorLocation, ts.Diagnostics.Cannot_find_name_0_Did_you_mean_the_instance_member_this_0, diagnosticName(nameArg));
                             return true;
                         }
                     }
@@ -25306,8 +22054,18 @@ var ts;
         function checkAndReportErrorForUsingTypeAsNamespace(errorLocation, name, meaning) {
             if (meaning === 1920) {
                 var symbol = resolveSymbol(resolveName(errorLocation, name, 793064 & ~107455, undefined, undefined));
+                var parent = errorLocation.parent;
                 if (symbol) {
-                    error(errorLocation, ts.Diagnostics._0_only_refers_to_a_type_but_is_being_used_as_a_namespace_here, name);
+                    if (ts.isQualifiedName(parent)) {
+                        ts.Debug.assert(parent.left === errorLocation, "Should only be resolving left side of qualified name as a namespace");
+                        var propName = parent.right.escapedText;
+                        var propType = getPropertyOfType(getDeclaredTypeOfSymbol(symbol), propName);
+                        if (propType) {
+                            error(parent, ts.Diagnostics.Cannot_access_0_1_because_0_is_a_type_but_not_a_namespace_Did_you_mean_to_retrieve_the_type_of_the_property_1_in_0_with_0_1, ts.unescapeLeadingUnderscores(name), ts.unescapeLeadingUnderscores(propName));
+                            return true;
+                        }
+                    }
+                    error(errorLocation, ts.Diagnostics._0_only_refers_to_a_type_but_is_being_used_as_a_namespace_here, ts.unescapeLeadingUnderscores(name));
                     return true;
                 }
             }
@@ -25316,12 +22074,12 @@ var ts;
         function checkAndReportErrorForUsingTypeAsValue(errorLocation, name, meaning) {
             if (meaning & (107455 & ~1024)) {
                 if (name === "any" || name === "string" || name === "number" || name === "boolean" || name === "never") {
-                    error(errorLocation, ts.Diagnostics._0_only_refers_to_a_type_but_is_being_used_as_a_value_here, name);
+                    error(errorLocation, ts.Diagnostics._0_only_refers_to_a_type_but_is_being_used_as_a_value_here, ts.unescapeLeadingUnderscores(name));
                     return true;
                 }
                 var symbol = resolveSymbol(resolveName(errorLocation, name, 793064 & ~107455, undefined, undefined));
                 if (symbol && !(symbol.flags & 1024)) {
-                    error(errorLocation, ts.Diagnostics._0_only_refers_to_a_type_but_is_being_used_as_a_value_here, name);
+                    error(errorLocation, ts.Diagnostics._0_only_refers_to_a_type_but_is_being_used_as_a_value_here, ts.unescapeLeadingUnderscores(name));
                     return true;
                 }
             }
@@ -25331,14 +22089,14 @@ var ts;
             if (meaning & (107455 & ~1024 & ~793064)) {
                 var symbol = resolveSymbol(resolveName(errorLocation, name, 1024 & ~107455, undefined, undefined));
                 if (symbol) {
-                    error(errorLocation, ts.Diagnostics.Cannot_use_namespace_0_as_a_value, name);
+                    error(errorLocation, ts.Diagnostics.Cannot_use_namespace_0_as_a_value, ts.unescapeLeadingUnderscores(name));
                     return true;
                 }
             }
             else if (meaning & (793064 & ~1024 & ~107455)) {
                 var symbol = resolveSymbol(resolveName(errorLocation, name, 1024 & ~793064, undefined, undefined));
                 if (symbol) {
-                    error(errorLocation, ts.Diagnostics.Cannot_use_namespace_0_as_a_type, name);
+                    error(errorLocation, ts.Diagnostics.Cannot_use_namespace_0_as_a_type, ts.unescapeLeadingUnderscores(name));
                     return true;
                 }
             }
@@ -25413,7 +22171,7 @@ var ts;
             if (valueSymbol.flags & (793064 | 1920)) {
                 return valueSymbol;
             }
-            var result = createSymbol(valueSymbol.flags | typeSymbol.flags, valueSymbol.name);
+            var result = createSymbol(valueSymbol.flags | typeSymbol.flags, valueSymbol.escapedName);
             result.declarations = ts.concatenate(valueSymbol.declarations, typeSymbol.declarations);
             result.parent = valueSymbol.parent || typeSymbol.parent;
             if (valueSymbol.valueDeclaration)
@@ -25442,20 +22200,20 @@ var ts;
             var targetSymbol = resolveESModuleSymbol(moduleSymbol, node.moduleSpecifier, dontResolveAlias);
             if (targetSymbol) {
                 var name = specifier.propertyName || specifier.name;
-                if (name.text) {
+                if (name.escapedText) {
                     if (ts.isShorthandAmbientModuleSymbol(moduleSymbol)) {
                         return moduleSymbol;
                     }
                     var symbolFromVariable = void 0;
                     if (moduleSymbol && moduleSymbol.exports && moduleSymbol.exports.get("export=")) {
-                        symbolFromVariable = getPropertyOfType(getTypeOfSymbol(targetSymbol), name.text);
+                        symbolFromVariable = getPropertyOfType(getTypeOfSymbol(targetSymbol), name.escapedText);
                     }
                     else {
-                        symbolFromVariable = getPropertyOfVariable(targetSymbol, name.text);
+                        symbolFromVariable = getPropertyOfVariable(targetSymbol, name.escapedText);
                     }
                     symbolFromVariable = resolveSymbol(symbolFromVariable, dontResolveAlias);
-                    var symbolFromModule = getExportOfModule(targetSymbol, name.text, dontResolveAlias);
-                    if (!symbolFromModule && allowSyntheticDefaultImports && name.text === "default") {
+                    var symbolFromModule = getExportOfModule(targetSymbol, name.escapedText, dontResolveAlias);
+                    if (!symbolFromModule && allowSyntheticDefaultImports && name.escapedText === "default") {
                         symbolFromModule = resolveExternalModuleSymbol(moduleSymbol, dontResolveAlias) || resolveSymbol(moduleSymbol, dontResolveAlias);
                     }
                     var symbol = symbolFromModule && symbolFromVariable ?
@@ -25502,14 +22260,14 @@ var ts;
         }
         function isNonLocalAlias(symbol, excludes) {
             if (excludes === void 0) { excludes = 107455 | 793064 | 1920; }
-            return symbol && (symbol.flags & (8388608 | excludes)) === 8388608;
+            return symbol && (symbol.flags & (2097152 | excludes)) === 2097152;
         }
         function resolveSymbol(symbol, dontResolveAlias) {
             var shouldResolve = !dontResolveAlias && isNonLocalAlias(symbol);
             return shouldResolve ? resolveAlias(symbol) : symbol;
         }
         function resolveAlias(symbol) {
-            ts.Debug.assert((symbol.flags & 8388608) !== 0, "Should only get Alias here.");
+            ts.Debug.assert((symbol.flags & 2097152) !== 0, "Should only get Alias here.");
             var links = getSymbolLinks(symbol);
             if (!links.target) {
                 links.target = resolvingSymbol;
@@ -25578,7 +22336,7 @@ var ts;
             var symbol;
             if (name.kind === 71) {
                 var message = meaning === 1920 ? ts.Diagnostics.Cannot_find_namespace_0 : ts.Diagnostics.Cannot_find_name_0;
-                symbol = resolveName(location || name, name.text, meaning, ignoreErrors ? undefined : message, name);
+                symbol = resolveName(location || name, name.escapedText, meaning, ignoreErrors ? undefined : message, name);
                 if (!symbol) {
                     return undefined;
                 }
@@ -25603,7 +22361,7 @@ var ts;
                 else if (namespace === unknownSymbol) {
                     return namespace;
                 }
-                symbol = getSymbol(getExportsOfSymbol(namespace), right.text, meaning);
+                symbol = getSymbol(getExportsOfSymbol(namespace), right.escapedText, meaning);
                 if (!symbol) {
                     if (!ignoreErrors) {
                         error(right, ts.Diagnostics.Namespace_0_has_no_exported_member_1, getFullyQualifiedName(namespace), ts.declarationNameToString(right));
@@ -25635,8 +22393,7 @@ var ts;
         }
         function resolveExternalModule(location, moduleReference, moduleNotFoundError, errorNode, isForAugmentation) {
             if (isForAugmentation === void 0) { isForAugmentation = false; }
-            var moduleName = ts.escapeIdentifier(moduleReference);
-            if (moduleName === undefined) {
+            if (moduleReference === undefined) {
                 return;
             }
             if (ts.startsWith(moduleReference, "@types/")) {
@@ -25644,11 +22401,11 @@ var ts;
                 var withoutAtTypePrefix = ts.removePrefix(moduleReference, "@types/");
                 error(errorNode, diag, withoutAtTypePrefix, moduleReference);
             }
-            var ambientModule = tryFindAmbientModule(moduleName, true);
+            var ambientModule = tryFindAmbientModule(moduleReference, true);
             if (ambientModule) {
                 return ambientModule;
             }
-            var isRelative = ts.isExternalModuleNameRelative(moduleName);
+            var isRelative = ts.isExternalModuleNameRelative(moduleReference);
             var resolvedModule = ts.getResolvedModule(ts.getSourceFileOfNode(location), moduleReference);
             var resolutionDiagnostic = resolvedModule && ts.getResolutionDiagnostic(compilerOptions, resolvedModule);
             var sourceFile = resolvedModule && !resolutionDiagnostic && host.getSourceFile(resolvedModule.resolvedFileName);
@@ -25662,7 +22419,7 @@ var ts;
                 return undefined;
             }
             if (patternAmbientModules) {
-                var pattern = ts.findBestPatternMatch(patternAmbientModules, function (_) { return _.pattern; }, moduleName);
+                var pattern = ts.findBestPatternMatch(patternAmbientModules, function (_) { return _.pattern; }, moduleReference);
                 if (pattern) {
                     return getMergedSymbol(pattern.symbol);
                 }
@@ -25681,16 +22438,16 @@ var ts;
             }
             if (moduleNotFoundError) {
                 if (resolutionDiagnostic) {
-                    error(errorNode, resolutionDiagnostic, moduleName, resolvedModule.resolvedFileName);
+                    error(errorNode, resolutionDiagnostic, moduleReference, resolvedModule.resolvedFileName);
                 }
                 else {
-                    var tsExtension = ts.tryExtractTypeScriptExtension(moduleName);
+                    var tsExtension = ts.tryExtractTypeScriptExtension(moduleReference);
                     if (tsExtension) {
                         var diag = ts.Diagnostics.An_import_path_cannot_end_with_a_0_extension_Consider_importing_1_instead;
-                        error(errorNode, diag, tsExtension, ts.removeExtension(moduleName, tsExtension));
+                        error(errorNode, diag, tsExtension, ts.removeExtension(moduleReference, tsExtension));
                     }
                     else {
-                        error(errorNode, moduleNotFoundError, moduleName);
+                        error(errorNode, moduleNotFoundError, moduleReference);
                     }
                 }
             }
@@ -25726,6 +22483,16 @@ var ts;
                 return symbolTable.get(memberName);
             }
         }
+        function tryGetMemberInModuleExportsAndProperties(memberName, moduleSymbol) {
+            var symbol = tryGetMemberInModuleExports(memberName, moduleSymbol);
+            if (!symbol) {
+                var exportEquals = resolveExternalModuleSymbol(moduleSymbol);
+                if (exportEquals !== moduleSymbol) {
+                    return getPropertyOfType(getTypeOfSymbol(exportEquals), memberName);
+                }
+            }
+            return symbol;
+        }
         function getExportsOfSymbol(symbol) {
             return symbol.flags & 1536 ? getExportsOfModule(symbol) : symbol.exports || emptySymbols;
         }
@@ -25769,7 +22536,7 @@ var ts;
                 var symbols = ts.cloneMap(symbol.exports);
                 var exportStars = symbol.exports.get("__export");
                 if (exportStars) {
-                    var nestedSymbols = ts.createMap();
+                    var nestedSymbols = ts.createSymbolTable();
                     var lookupTable_1 = ts.createMap();
                     for (var _i = 0, _a = exportStars.declarations; _i < _a.length; _i++) {
                         var node = _a[_i];
@@ -25784,7 +22551,7 @@ var ts;
                         }
                         for (var _i = 0, exportsWithDuplicate_1 = exportsWithDuplicate; _i < exportsWithDuplicate_1.length; _i++) {
                             var node = exportsWithDuplicate_1[_i];
-                            diagnostics.add(ts.createDiagnosticForNode(node, ts.Diagnostics.Module_0_has_already_exported_a_member_named_1_Consider_explicitly_re_exporting_to_resolve_the_ambiguity, lookupTable_1.get(id).specifierText, id));
+                            diagnostics.add(ts.createDiagnosticForNode(node, ts.Diagnostics.Module_0_has_already_exported_a_member_named_1_Consider_explicitly_re_exporting_to_resolve_the_ambiguity, lookupTable_1.get(id).specifierText, ts.unescapeLeadingUnderscores(id)));
                         }
                     });
                     extendExportSymbols(symbols, nestedSymbols);
@@ -25808,7 +22575,7 @@ var ts;
                 : symbol;
         }
         function symbolIsValue(symbol) {
-            return !!(symbol.flags & 107455 || symbol.flags & 8388608 && resolveAlias(symbol).flags & 107455);
+            return !!(symbol.flags & 107455 || symbol.flags & 2097152 && resolveAlias(symbol).flags & 107455);
         }
         function findConstructorDeclaration(node) {
             var members = node.members;
@@ -25843,7 +22610,7 @@ var ts;
             return type;
         }
         function createTypeofType() {
-            return getUnionType(ts.convertToArray(typeofEQFacts.keys(), getLiteralType));
+            return getUnionType(ts.arrayFrom(typeofEQFacts.keys(), getLiteralType));
         }
         function isReservedMemberName(name) {
             return name.charCodeAt(0) === 95 &&
@@ -25862,7 +22629,7 @@ var ts;
                     }
                 }
             });
-            return result || emptyArray;
+            return result || ts.emptyArray;
         }
         function setStructuredTypeMembers(type, members, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo) {
             type.members = members;
@@ -25929,12 +22696,12 @@ var ts;
                     }
                 }
                 function trySymbolTable(symbols) {
-                    if (isAccessible(symbols.get(symbol.name))) {
+                    if (isAccessible(symbols.get(symbol.escapedName))) {
                         return [symbol];
                     }
                     return ts.forEachEntry(symbols, function (symbolFromSymbolTable) {
-                        if (symbolFromSymbolTable.flags & 8388608
-                            && symbolFromSymbolTable.name !== "export="
+                        if (symbolFromSymbolTable.flags & 2097152
+                            && symbolFromSymbolTable.escapedName !== "export="
                             && !ts.getDeclarationOfKind(symbolFromSymbolTable, 246)) {
                             if (!useOnlyExternalAliasing ||
                                 ts.forEach(symbolFromSymbolTable.declarations, ts.isExternalModuleImportEqualsDeclaration)) {
@@ -25951,23 +22718,21 @@ var ts;
                     });
                 }
             }
-            if (symbol) {
-                if (!(isPropertyOrMethodDeclarationSymbol(symbol))) {
-                    return forEachSymbolTableInScope(enclosingDeclaration, getAccessibleSymbolChainFromSymbolTable);
-                }
+            if (symbol && !isPropertyOrMethodDeclarationSymbol(symbol)) {
+                return forEachSymbolTableInScope(enclosingDeclaration, getAccessibleSymbolChainFromSymbolTable);
             }
         }
         function needsQualification(symbol, enclosingDeclaration, meaning) {
             var qualify = false;
             forEachSymbolTableInScope(enclosingDeclaration, function (symbolTable) {
-                var symbolFromSymbolTable = symbolTable.get(symbol.name);
+                var symbolFromSymbolTable = symbolTable.get(symbol.escapedName);
                 if (!symbolFromSymbolTable) {
                     return false;
                 }
                 if (symbolFromSymbolTable === symbol) {
                     return true;
                 }
-                symbolFromSymbolTable = (symbolFromSymbolTable.flags & 8388608 && !ts.getDeclarationOfKind(symbolFromSymbolTable, 246)) ? resolveAlias(symbolFromSymbolTable) : symbolFromSymbolTable;
+                symbolFromSymbolTable = (symbolFromSymbolTable.flags & 2097152 && !ts.getDeclarationOfKind(symbolFromSymbolTable, 246)) ? resolveAlias(symbolFromSymbolTable) : symbolFromSymbolTable;
                 if (symbolFromSymbolTable.flags & meaning) {
                     qualify = true;
                     return true;
@@ -25994,6 +22759,10 @@ var ts;
             }
             return false;
         }
+        function isTypeSymbolAccessible(typeSymbol, enclosingDeclaration) {
+            var access = isSymbolAccessible(typeSymbol, enclosingDeclaration, 793064, false);
+            return access.accessibility === 0;
+        }
         function isSymbolAccessible(symbol, enclosingDeclaration, meaning, shouldComputeAliasesToMakeVisible) {
             if (symbol && enclosingDeclaration && !(symbol.flags & 262144)) {
                 var initialSymbol = symbol;
@@ -26049,7 +22818,7 @@ var ts;
                 if (!isDeclarationVisible(declaration)) {
                     var anyImportSyntax = getAnyImportSyntax(declaration);
                     if (anyImportSyntax &&
-                        !(ts.getModifierFlags(anyImportSyntax) & 1) &&
+                        !ts.hasModifier(anyImportSyntax, 1) &&
                         isDeclarationVisible(anyImportSyntax.parent)) {
                         if (shouldComputeAliasToMakeVisible) {
                             getNodeLinks(declaration).isVisible = true;
@@ -26082,7 +22851,7 @@ var ts;
                 meaning = 793064;
             }
             var firstIdentifier = getFirstIdentifier(entityName);
-            var symbol = resolveName(enclosingDeclaration, firstIdentifier.text, meaning, undefined, undefined);
+            var symbol = resolveName(enclosingDeclaration, firstIdentifier.escapedText, meaning, undefined, undefined);
             return (symbol && hasVisibleDeclarations(symbol, true)) || {
                 accessibility: 1,
                 errorSymbolName: ts.getTextOfNode(firstIdentifier),
@@ -26099,18 +22868,14 @@ var ts;
             writer.writeSpace(" ");
         }
         function symbolToString(symbol, enclosingDeclaration, meaning) {
-            var writer = ts.getSingleLineStringWriter();
-            getSymbolDisplayBuilder().buildSymbolDisplay(symbol, writer, enclosingDeclaration, meaning);
-            var result = writer.string();
-            ts.releaseStringWriter(writer);
-            return result;
+            return ts.usingSingleLineStringWriter(function (writer) {
+                getSymbolDisplayBuilder().buildSymbolDisplay(symbol, writer, enclosingDeclaration, meaning);
+            });
         }
         function signatureToString(signature, enclosingDeclaration, flags, kind) {
-            var writer = ts.getSingleLineStringWriter();
-            getSymbolDisplayBuilder().buildSignatureDisplay(signature, writer, enclosingDeclaration, flags, kind);
-            var result = writer.string();
-            ts.releaseStringWriter(writer);
-            return result;
+            return ts.usingSingleLineStringWriter(function (writer) {
+                getSymbolDisplayBuilder().buildSignatureDisplay(signature, writer, enclosingDeclaration, flags, kind);
+            });
         }
         function typeToString(type, enclosingDeclaration, flags) {
             var typeNode = nodeBuilder.typeToTypeNode(type, enclosingDeclaration, toNodeBuilderFlags(flags) | ts.NodeBuilderFlags.IgnoreErrors | ts.NodeBuilderFlags.WriteTypeParametersInQualifiedName);
@@ -26119,7 +22884,7 @@ var ts;
             var writer = ts.createTextWriter("");
             var printer = ts.createPrinter(options);
             var sourceFile = enclosingDeclaration && ts.getSourceFileOfNode(enclosingDeclaration);
-            printer.writeNode(3, typeNode, sourceFile, writer);
+            printer.writeNode(4, typeNode, sourceFile, writer);
             var result = writer.getText();
             var maxLength = compilerOptions.noErrorTruncation || flags & 8 ? undefined : 100;
             if (maxLength && result.length >= maxLength) {
@@ -26251,8 +23016,7 @@ var ts;
                     var name = symbolToName(type.symbol, context, 793064, false);
                     return ts.createTypeReferenceNode(name, undefined);
                 }
-                if (!inTypeAlias && type.aliasSymbol &&
-                    isSymbolAccessible(type.aliasSymbol, context.enclosingDeclaration, 793064, false).accessibility === 0) {
+                if (!inTypeAlias && type.aliasSymbol && isTypeSymbolAccessible(type.aliasSymbol, context.enclosingDeclaration)) {
                     var name = symbolToTypeReferenceName(type.aliasSymbol);
                     var typeArgumentNodes = mapToTypeNodes(type.aliasTypeArguments, context);
                     return ts.createTypeReferenceNode(name, typeArgumentNodes);
@@ -26327,8 +23091,8 @@ var ts;
                         return createTypeNodeFromObjectType(type);
                     }
                     function shouldWriteTypeOfFunctionSymbol() {
-                        var isStaticMethodSymbol = !!(symbol.flags & 8192 &&
-                            ts.forEach(symbol.declarations, function (declaration) { return ts.getModifierFlags(declaration) & 32; }));
+                        var isStaticMethodSymbol = !!(symbol.flags & 8192) &&
+                            ts.some(symbol.declarations, function (declaration) { return ts.hasModifier(declaration, 32); });
                         var isNonLocalFunctionSymbol = !!(symbol.flags & 16) &&
                             (symbol.parent ||
                                 ts.forEach(symbol.declarations, function (declaration) {
@@ -26340,10 +23104,8 @@ var ts;
                     }
                 }
                 function createTypeNodeFromObjectType(type) {
-                    if (type.objectFlags & 32) {
-                        if (getConstraintTypeFromMappedType(type).flags & (16384 | 262144)) {
-                            return createMappedTypeNodeFromType(type);
-                        }
+                    if (isGenericMappedType(type)) {
+                        return createMappedTypeNodeFromType(type);
                     }
                     var resolved = resolveStructuredTypeMembers(type);
                     if (!resolved.properties.length && !resolved.stringIndexInfo && !resolved.numberIndexInfo) {
@@ -26373,11 +23135,11 @@ var ts;
                     return ts.createTypeQueryNode(entityName);
                 }
                 function symbolToTypeReferenceName(symbol) {
-                    var entityName = symbol.flags & 32 || !isReservedMemberName(symbol.name) ? symbolToName(symbol, context, 793064, false) : ts.createIdentifier("");
+                    var entityName = symbol.flags & 32 || !isReservedMemberName(symbol.escapedName) ? symbolToName(symbol, context, 793064, false) : ts.createIdentifier("");
                     return entityName;
                 }
                 function typeReferenceToTypeNode(type) {
-                    var typeArguments = type.typeArguments || emptyArray;
+                    var typeArguments = type.typeArguments || ts.emptyArray;
                     if (type.target === globalArrayType) {
                         if (context.flags & ts.NodeBuilderFlags.WriteArrayAsGenericType) {
                             var typeArgumentNode = typeToTypeNodeHelper(typeArguments[0], context);
@@ -26393,9 +23155,10 @@ var ts;
                                 return ts.createTupleTypeNode(tupleConstituentNodes);
                             }
                         }
-                        if (!context.encounteredError && !(context.flags & ts.NodeBuilderFlags.AllowEmptyTuple)) {
-                            context.encounteredError = true;
+                        if (context.encounteredError || (context.flags & ts.NodeBuilderFlags.AllowEmptyTuple)) {
+                            return ts.createTupleTypeNode([]);
                         }
+                        context.encounteredError = true;
                         return undefined;
                     }
                     else {
@@ -26403,13 +23166,13 @@ var ts;
                         var i = 0;
                         var qualifiedName = void 0;
                         if (outerTypeParameters) {
-                            var length_1 = outerTypeParameters.length;
-                            while (i < length_1) {
+                            var length_2 = outerTypeParameters.length;
+                            while (i < length_2) {
                                 var start = i;
                                 var parent = getParentSymbolOfTypeParameter(outerTypeParameters[i]);
                                 do {
                                     i++;
-                                } while (i < length_1 && getParentSymbolOfTypeParameter(outerTypeParameters[i]) === parent);
+                                } while (i < length_2 && getParentSymbolOfTypeParameter(outerTypeParameters[i]) === parent);
                                 if (!ts.rangeEquals(outerTypeParameters, typeArguments, start, i)) {
                                     var typeArgumentSlice = mapToTypeNodes(typeArguments.slice(start, i), context);
                                     var typeArgumentNodes_1 = typeArgumentSlice && ts.createNodeArray(typeArgumentSlice);
@@ -26438,7 +23201,7 @@ var ts;
                         }
                         var typeArgumentNodes = void 0;
                         if (typeArguments.length > 0) {
-                            var typeParameterCount = (type.target.typeParameters || emptyArray).length;
+                            var typeParameterCount = (type.target.typeParameters || ts.emptyArray).length;
                             typeArgumentNodes = mapToTypeNodes(typeArguments.slice(i, typeParameterCount), context);
                         }
                         if (typeArgumentNodes) {
@@ -26482,14 +23245,14 @@ var ts;
                     if (!properties) {
                         return typeElements;
                     }
-                    for (var _d = 0, properties_2 = properties; _d < properties_2.length; _d++) {
-                        var propertySymbol = properties_2[_d];
+                    for (var _d = 0, properties_1 = properties; _d < properties_1.length; _d++) {
+                        var propertySymbol = properties_1[_d];
                         var propertyType = getTypeOfSymbol(propertySymbol);
                         var saveEnclosingDeclaration = context.enclosingDeclaration;
                         context.enclosingDeclaration = undefined;
                         var propertyName = symbolToName(propertySymbol, context, 107455, true);
                         context.enclosingDeclaration = saveEnclosingDeclaration;
-                        var optionalToken = propertySymbol.flags & 67108864 ? ts.createToken(55) : undefined;
+                        var optionalToken = propertySymbol.flags & 16777216 ? ts.createToken(55) : undefined;
                         if (propertySymbol.flags & (16 | 8192) && !getPropertiesOfObjectType(propertyType).length) {
                             var signatures = getSignaturesOfType(propertyType, 0);
                             for (var _e = 0, signatures_1 = signatures; _e < signatures_1.length; _e++) {
@@ -26579,7 +23342,7 @@ var ts;
                     parameterDeclaration.name.kind === 71 ?
                         ts.setEmitFlags(ts.getSynthesizedClone(parameterDeclaration.name), 16777216) :
                         cloneBindingName(parameterDeclaration.name) :
-                    parameterSymbol.name;
+                    ts.unescapeLeadingUnderscores(parameterSymbol.escapedName);
                 var questionToken = isOptionalParameter(parameterDeclaration) ? ts.createToken(55) : undefined;
                 var parameterType = getTypeOfSymbol(parameterSymbol);
                 if (isRequiredInitializedParameter(parameterDeclaration)) {
@@ -26683,15 +23446,13 @@ var ts;
                             return "(Anonymous function)";
                     }
                 }
-                return symbol.name;
+                return ts.unescapeLeadingUnderscores(symbol.escapedName);
             }
         }
         function typePredicateToString(typePredicate, enclosingDeclaration, flags) {
-            var writer = ts.getSingleLineStringWriter();
-            getSymbolDisplayBuilder().buildTypePredicateDisplay(typePredicate, writer, enclosingDeclaration, flags);
-            var result = writer.string();
-            ts.releaseStringWriter(writer);
-            return result;
+            return ts.usingSingleLineStringWriter(function (writer) {
+                getSymbolDisplayBuilder().buildTypePredicateDisplay(typePredicate, writer, enclosingDeclaration, flags);
+            });
         }
         function formatUnionTypes(types) {
             var result = [];
@@ -26764,7 +23525,7 @@ var ts;
                         return "(Anonymous function)";
                 }
             }
-            return symbol.name;
+            return ts.unescapeLeadingUnderscores(symbol.escapedName);
         }
         function getSymbolDisplayBuilder() {
             function appendSymbolNameOnly(symbol, writer) {
@@ -26795,7 +23556,7 @@ var ts;
                     if (parentSymbol) {
                         if (flags & 1) {
                             if (ts.getCheckFlags(symbol) & 1) {
-                                var params = getTypeParametersOfClassOrInterface(parentSymbol.flags & 8388608 ? resolveAlias(parentSymbol) : parentSymbol);
+                                var params = getTypeParametersOfClassOrInterface(parentSymbol.flags & 2097152 ? resolveAlias(parentSymbol) : parentSymbol);
                                 buildDisplayForTypeArgumentsAndDelimiters(params, symbol.mapper, writer, enclosingDeclaration);
                             }
                             else {
@@ -26872,7 +23633,7 @@ var ts;
                         buildSymbolDisplay(type.symbol, writer, enclosingDeclaration, 793064, 0, nextFlags);
                     }
                     else if (!(flags & 1024) && type.aliasSymbol &&
-                        isSymbolAccessible(type.aliasSymbol, enclosingDeclaration, 793064, false).accessibility === 0) {
+                        ((flags & 65536) || isTypeSymbolAccessible(type.aliasSymbol, enclosingDeclaration))) {
                         var typeArguments = type.aliasTypeArguments;
                         writeSymbolTypeReference(type.aliasSymbol, typeArguments, 0, ts.length(typeArguments), nextFlags);
                     }
@@ -26923,7 +23684,7 @@ var ts;
                     }
                 }
                 function writeSymbolTypeReference(symbol, typeArguments, pos, end, flags) {
-                    if (symbol.flags & 32 || !isReservedMemberName(symbol.name)) {
+                    if (symbol.flags & 32 || !isReservedMemberName(symbol.escapedName)) {
                         buildSymbolDisplay(symbol, writer, enclosingDeclaration, 793064, 0, flags);
                     }
                     if (pos < end) {
@@ -26940,9 +23701,9 @@ var ts;
                     }
                 }
                 function writeTypeReference(type, flags) {
-                    var typeArguments = type.typeArguments || emptyArray;
+                    var typeArguments = type.typeArguments || ts.emptyArray;
                     if (type.target === globalArrayType && !(flags & 1)) {
-                        writeType(typeArguments[0], 128);
+                        writeType(typeArguments[0], 128 | 32768);
                         writePunctuation(writer, 21);
                         writePunctuation(writer, 22);
                     }
@@ -26960,20 +23721,20 @@ var ts;
                         var outerTypeParameters = type.target.outerTypeParameters;
                         var i = 0;
                         if (outerTypeParameters) {
-                            var length_2 = outerTypeParameters.length;
-                            while (i < length_2) {
+                            var length_3 = outerTypeParameters.length;
+                            while (i < length_3) {
                                 var start = i;
                                 var parent = getParentSymbolOfTypeParameter(outerTypeParameters[i]);
                                 do {
                                     i++;
-                                } while (i < length_2 && getParentSymbolOfTypeParameter(outerTypeParameters[i]) === parent);
+                                } while (i < length_3 && getParentSymbolOfTypeParameter(outerTypeParameters[i]) === parent);
                                 if (!ts.rangeEquals(outerTypeParameters, typeArguments, start, i)) {
                                     writeSymbolTypeReference(parent, typeArguments, start, i, flags);
                                     writePunctuation(writer, 23);
                                 }
                             }
                         }
-                        var typeParameterCount = (type.target.typeParameters || emptyArray).length;
+                        var typeParameterCount = (type.target.typeParameters || ts.emptyArray).length;
                         writeSymbolTypeReference(type.symbol, typeArguments, i, typeParameterCount, flags);
                     }
                 }
@@ -27016,9 +23777,7 @@ var ts;
                             if (!symbolStack) {
                                 symbolStack = [];
                             }
-                            var isConstructorObject = type.flags & 32768 &&
-                                getObjectFlags(type) & 16 &&
-                                type.symbol && type.symbol.flags & 32;
+                            var isConstructorObject = type.objectFlags & 16 && type.symbol && type.symbol.flags & 32;
                             if (isConstructorObject) {
                                 writeLiteralType(type, flags);
                             }
@@ -27033,23 +23792,29 @@ var ts;
                         writeLiteralType(type, flags);
                     }
                     function shouldWriteTypeOfFunctionSymbol() {
-                        var isStaticMethodSymbol = !!(symbol.flags & 8192 &&
-                            ts.forEach(symbol.declarations, function (declaration) { return ts.getModifierFlags(declaration) & 32; }));
+                        var isStaticMethodSymbol = !!(symbol.flags & 8192) &&
+                            ts.some(symbol.declarations, function (declaration) { return ts.hasModifier(declaration, 32); });
                         var isNonLocalFunctionSymbol = !!(symbol.flags & 16) &&
                             (symbol.parent ||
-                                ts.forEach(symbol.declarations, function (declaration) {
+                                ts.some(symbol.declarations, function (declaration) {
                                     return declaration.parent.kind === 265 || declaration.parent.kind === 234;
                                 }));
                         if (isStaticMethodSymbol || isNonLocalFunctionSymbol) {
                             return !!(flags & 4) ||
-                                (ts.contains(symbolStack, symbol));
+                                ts.contains(symbolStack, symbol);
                         }
                     }
                 }
                 function writeTypeOfSymbol(type, typeFormatFlags) {
+                    if (typeFormatFlags & 32768) {
+                        writePunctuation(writer, 19);
+                    }
                     writeKeyword(writer, 103);
                     writeSpace(writer);
                     buildSymbolDisplay(type.symbol, writer, enclosingDeclaration, 107455, 0, typeFormatFlags);
+                    if (typeFormatFlags & 32768) {
+                        writePunctuation(writer, 20);
+                    }
                 }
                 function writePropertyWithModifiers(prop) {
                     if (isReadonlySymbol(prop)) {
@@ -27057,7 +23822,7 @@ var ts;
                         writeSpace(writer);
                     }
                     buildSymbolDisplay(prop, writer);
-                    if (prop.flags & 67108864) {
+                    if (prop.flags & 16777216) {
                         writePunctuation(writer, 55);
                     }
                 }
@@ -27073,11 +23838,9 @@ var ts;
                     return false;
                 }
                 function writeLiteralType(type, flags) {
-                    if (type.objectFlags & 32) {
-                        if (getConstraintTypeFromMappedType(type).flags & (16384 | 262144)) {
-                            writeMappedType(type);
-                            return;
-                        }
+                    if (isGenericMappedType(type)) {
+                        writeMappedType(type);
+                        return;
                     }
                     var resolved = resolveStructuredTypeMembers(type);
                     if (!resolved.properties.length && !resolved.stringIndexInfo && !resolved.numberIndexInfo) {
@@ -27138,11 +23901,11 @@ var ts;
                     for (var _d = 0, _e = resolved.properties; _d < _e.length; _d++) {
                         var p = _e[_d];
                         if (globalFlags & 16384) {
-                            if (p.flags & 16777216) {
+                            if (p.flags & 4194304) {
                                 continue;
                             }
                             if (ts.getDeclarationModifierFlagsFromSymbol(p) & (8 | 16)) {
-                                writer.reportPrivateInBaseOfClassExpression(p.name);
+                                writer.reportPrivateInBaseOfClassExpression(ts.unescapeLeadingUnderscores(p.escapedName));
                             }
                         }
                         var t = getTypeOfSymbol(p);
@@ -27445,7 +24208,7 @@ var ts;
                     case 154:
                     case 151:
                     case 150:
-                        if (ts.getModifierFlags(node) & (8 | 16)) {
+                        if (ts.hasModifier(node, 8 | 16)) {
                             return false;
                         }
                     case 152:
@@ -27482,10 +24245,10 @@ var ts;
         function collectLinkedAliases(node) {
             var exportSymbol;
             if (node.parent && node.parent.kind === 243) {
-                exportSymbol = resolveName(node.parent, node.text, 107455 | 793064 | 1920 | 8388608, ts.Diagnostics.Cannot_find_name_0, node);
+                exportSymbol = resolveName(node.parent, node.escapedText, 107455 | 793064 | 1920 | 2097152, ts.Diagnostics.Cannot_find_name_0, node);
             }
             else if (node.parent.kind === 246) {
-                exportSymbol = getTargetOfExportSpecifier(node.parent, 107455 | 793064 | 1920 | 8388608);
+                exportSymbol = getTargetOfExportSpecifier(node.parent, 107455 | 793064 | 1920 | 2097152);
             }
             var result = [];
             if (exportSymbol) {
@@ -27502,7 +24265,7 @@ var ts;
                     if (ts.isInternalModuleImportEqualsDeclaration(declaration)) {
                         var internalModuleReference = declaration.moduleReference;
                         var firstIdentifier = getFirstIdentifier(internalModuleReference);
-                        var importSymbol = resolveName(declaration, firstIdentifier.text, 107455 | 793064 | 1920, undefined, undefined);
+                        var importSymbol = resolveName(declaration, firstIdentifier.escapedText, 107455 | 793064 | 1920, undefined, undefined);
                         if (importSymbol) {
                             buildVisibleNodeList(importSymbol.declarations);
                         }
@@ -27513,8 +24276,8 @@ var ts;
         function pushTypeResolution(target, propertyName) {
             var resolutionCycleStartIndex = findResolutionCycleStartIndex(target, propertyName);
             if (resolutionCycleStartIndex >= 0) {
-                var length_3 = resolutionTargets.length;
-                for (var i = resolutionCycleStartIndex; i < length_3; i++) {
+                var length_4 = resolutionTargets.length;
+                for (var i = resolutionCycleStartIndex; i < length_4; i++) {
                     resolutionResults[i] = false;
                 }
                 return false;
@@ -27597,24 +24360,24 @@ var ts;
             if (source.flags & 65536) {
                 return mapType(source, function (t) { return getRestType(t, properties, symbol); });
             }
-            var members = ts.createMap();
-            var names = ts.createMap();
-            for (var _i = 0, properties_3 = properties; _i < properties_3.length; _i++) {
-                var name = properties_3[_i];
+            var members = ts.createSymbolTable();
+            var names = ts.createUnderscoreEscapedMap();
+            for (var _i = 0, properties_2 = properties; _i < properties_2.length; _i++) {
+                var name = properties_2[_i];
                 names.set(ts.getTextOfPropertyName(name), true);
             }
             for (var _a = 0, _b = getPropertiesOfType(source); _a < _b.length; _a++) {
                 var prop = _b[_a];
-                var inNamesToRemove = names.has(prop.name);
+                var inNamesToRemove = names.has(prop.escapedName);
                 var isPrivate = ts.getDeclarationModifierFlagsFromSymbol(prop) & (8 | 16);
                 var isSetOnlyAccessor = prop.flags & 65536 && !(prop.flags & 32768);
                 if (!inNamesToRemove && !isPrivate && !isClassMethod(prop) && !isSetOnlyAccessor) {
-                    members.set(prop.name, prop);
+                    members.set(prop.escapedName, prop);
                 }
             }
             var stringIndexInfo = getIndexInfoOfType(source, 0);
             var numberIndexInfo = getIndexInfoOfType(source, 1);
-            return createAnonymousType(symbol, members, emptyArray, emptyArray, stringIndexInfo, numberIndexInfo);
+            return createAnonymousType(symbol, members, ts.emptyArray, ts.emptyArray, stringIndexInfo, numberIndexInfo);
         }
         function getTypeForBindingElement(declaration) {
             var pattern = declaration.parent;
@@ -27653,7 +24416,8 @@ var ts;
                         getContextualType(declaration.initializer);
                     }
                     var text = ts.getTextOfPropertyName(name);
-                    type = getTypeOfPropertyOfType(parentType, text) ||
+                    var declaredType = getTypeOfPropertyOfType(parentType, text);
+                    type = declaredType && getFlowTypeOfReference(declaration, declaredType) ||
                         isNumericLiteralName(text) && getIndexTypeOfType(parentType, 1) ||
                         getIndexTypeOfType(parentType, 0);
                     if (!type) {
@@ -27725,7 +24489,7 @@ var ts;
                 var declaredType = getTypeFromTypeNode(typeNode);
                 return addOptionality(declaredType, declaration.questionToken && includeOptionality);
             }
-            if ((noImplicitAny || declaration.flags & 65536) &&
+            if ((noImplicitAny || ts.isInJavaScriptFile(declaration)) &&
                 declaration.kind === 226 && !ts.isBindingPattern(declaration.name) &&
                 !(ts.getCombinedModifierFlags(declaration) & 1) && !ts.isInAmbientContext(declaration)) {
                 if (!(ts.getCombinedNodeFlags(declaration) & 2) && (!declaration.initializer || isNullOrUndefined(declaration.initializer))) {
@@ -27750,7 +24514,7 @@ var ts;
                     }
                 }
                 var type = void 0;
-                if (declaration.symbol.name === "this") {
+                if (declaration.symbol.escapedName === "this") {
                     type = getContextualThisParameterType(func);
                 }
                 else {
@@ -27827,7 +24591,7 @@ var ts;
             return anyType;
         }
         function getTypeFromObjectBindingPattern(pattern, includePatternInType, reportErrors) {
-            var members = ts.createMap();
+            var members = ts.createSymbolTable();
             var stringIndexInfo;
             var hasComputedProperties = false;
             ts.forEach(pattern.elements, function (e) {
@@ -27841,13 +24605,13 @@ var ts;
                     return;
                 }
                 var text = ts.getTextOfPropertyName(name);
-                var flags = 4 | (e.initializer ? 67108864 : 0);
+                var flags = 4 | (e.initializer ? 16777216 : 0);
                 var symbol = createSymbol(flags, text);
                 symbol.type = getTypeFromBindingElement(e, includePatternInType, reportErrors);
                 symbol.bindingElement = e;
-                members.set(symbol.name, symbol);
+                members.set(symbol.escapedName, symbol);
             });
-            var result = createAnonymousType(undefined, members, emptyArray, emptyArray, stringIndexInfo, undefined);
+            var result = createAnonymousType(undefined, members, ts.emptyArray, ts.emptyArray, stringIndexInfo, undefined);
             if (includePatternInType) {
                 result.pattern = pattern;
             }
@@ -27902,7 +24666,7 @@ var ts;
         function getTypeOfVariableOrParameterOrProperty(symbol) {
             var links = getSymbolLinks(symbol);
             if (!links.type) {
-                if (symbol.flags & 16777216) {
+                if (symbol.flags & 4194304) {
                     return links.type = getTypeOfPrototypeProperty(symbol);
                 }
                 var declaration = symbol.valueDeclaration;
@@ -27912,7 +24676,7 @@ var ts;
                 if (declaration.kind === 243) {
                     return links.type = checkExpression(declaration.expression);
                 }
-                if (declaration.flags & 65536 && declaration.kind === 292 && declaration.typeExpression) {
+                if (ts.isInJavaScriptFile(declaration) && ts.isJSDocPropertyLikeTag(declaration) && declaration.typeExpression) {
                     return links.type = getTypeFromTypeNode(declaration.typeExpression.type);
                 }
                 if (!pushTypeResolution(symbol, 0)) {
@@ -27958,7 +24722,7 @@ var ts;
             if (!links.type) {
                 var getter = ts.getDeclarationOfKind(symbol, 153);
                 var setter = ts.getDeclarationOfKind(symbol, 154);
-                if (getter && getter.flags & 65536) {
+                if (getter && ts.isInJavaScriptFile(getter)) {
                     var jsDocType = getTypeForDeclarationFromJSDocComment(getter);
                     if (jsDocType) {
                         return links.type = jsDocType;
@@ -28023,7 +24787,7 @@ var ts;
                         links.type = baseTypeVariable ? getIntersectionType([type, baseTypeVariable]) : type;
                     }
                     else {
-                        links.type = strictNullChecks && symbol.flags & 67108864 ? getNullableType(type, 2048) : type;
+                        links.type = strictNullChecks && symbol.flags & 16777216 ? getNullableType(type, 2048) : type;
                     }
                 }
             }
@@ -28094,7 +24858,7 @@ var ts;
             if (symbol.flags & 98304) {
                 return getTypeOfAccessors(symbol);
             }
-            if (symbol.flags & 8388608) {
+            if (symbol.flags & 2097152) {
                 return getTypeOfAlias(symbol);
             }
             return unknownType;
@@ -28121,8 +24885,8 @@ var ts;
             }
         }
         function appendTypeParameters(typeParameters, declarations) {
-            for (var _i = 0, declarations_3 = declarations; _i < declarations_3.length; _i++) {
-                var declaration = declarations_3[_i];
+            for (var _i = 0, declarations_2 = declarations; _i < declarations_2.length; _i++) {
+                var declaration = declarations_2[_i];
                 var tp = getDeclaredTypeOfTypeParameter(getSymbolOfNode(declaration));
                 if (!typeParameters) {
                     typeParameters = [tp];
@@ -28133,25 +24897,44 @@ var ts;
             }
             return typeParameters;
         }
-        function appendOuterTypeParameters(typeParameters, node) {
+        function getOuterTypeParameters(node, includeThisTypes) {
             while (true) {
                 node = node.parent;
                 if (!node) {
-                    return typeParameters;
+                    return undefined;
                 }
-                if (node.kind === 229 || node.kind === 199 ||
-                    node.kind === 228 || node.kind === 186 ||
-                    node.kind === 151 || node.kind === 187) {
-                    var declarations = node.typeParameters;
-                    if (declarations) {
-                        return appendTypeParameters(appendOuterTypeParameters(typeParameters, node), declarations);
-                    }
+                switch (node.kind) {
+                    case 229:
+                    case 199:
+                    case 230:
+                    case 155:
+                    case 156:
+                    case 150:
+                    case 160:
+                    case 161:
+                    case 273:
+                    case 228:
+                    case 151:
+                    case 186:
+                    case 187:
+                    case 231:
+                    case 282:
+                    case 172:
+                        var outerTypeParameters = getOuterTypeParameters(node, includeThisTypes);
+                        if (node.kind === 172) {
+                            return ts.append(outerTypeParameters, getDeclaredTypeOfTypeParameter(getSymbolOfNode(node.typeParameter)));
+                        }
+                        var outerAndOwnTypeParameters = appendTypeParameters(outerTypeParameters, ts.getEffectiveTypeParameterDeclarations(node) || ts.emptyArray);
+                        var thisType = includeThisTypes &&
+                            (node.kind === 229 || node.kind === 199 || node.kind === 230) &&
+                            getDeclaredTypeOfClassOrInterface(getSymbolOfNode(node)).thisType;
+                        return thisType ? ts.append(outerAndOwnTypeParameters, thisType) : outerAndOwnTypeParameters;
                 }
             }
         }
         function getOuterTypeParametersOfClassOrInterface(symbol) {
             var declaration = symbol.flags & 32 ? symbol.valueDeclaration : ts.getDeclarationOfKind(symbol, 230);
-            return appendOuterTypeParameters(undefined, declaration);
+            return getOuterTypeParameters(declaration);
         }
         function getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol) {
             var result;
@@ -28246,7 +25029,7 @@ var ts;
             return type.resolvedBaseTypes;
         }
         function resolveBaseTypesOfClass(type) {
-            type.resolvedBaseTypes = type.resolvedBaseTypes || emptyArray;
+            type.resolvedBaseTypes = type.resolvedBaseTypes || ts.emptyArray;
             var baseConstructorType = getApparentType(getBaseConstructorTypeOfClass(type));
             if (!(baseConstructorType.flags & (32768 | 131072 | 1))) {
                 return;
@@ -28288,7 +25071,7 @@ var ts;
                 error(valueDecl, ts.Diagnostics.Type_0_recursively_references_itself_as_a_base_type, typeToString(type, undefined, 1));
                 return;
             }
-            if (type.resolvedBaseTypes === emptyArray) {
+            if (type.resolvedBaseTypes === ts.emptyArray) {
                 type.resolvedBaseTypes = [baseType];
             }
             else {
@@ -28309,7 +25092,7 @@ var ts;
                 type.flags & 131072 && !ts.forEach(type.types, function (t) { return !isValidBaseType(t); });
         }
         function resolveBaseTypesOfInterface(type) {
-            type.resolvedBaseTypes = type.resolvedBaseTypes || emptyArray;
+            type.resolvedBaseTypes = type.resolvedBaseTypes || ts.emptyArray;
             for (var _i = 0, _a = type.symbol.declarations; _i < _a.length; _i++) {
                 var declaration = _a[_i];
                 if (declaration.kind === 230 && ts.getInterfaceBaseTypeNodes(declaration)) {
@@ -28319,7 +25102,7 @@ var ts;
                         if (baseType !== unknownType) {
                             if (isValidBaseType(baseType)) {
                                 if (type !== baseType && !hasBaseType(baseType, type)) {
-                                    if (type.resolvedBaseTypes === emptyArray) {
+                                    if (type.resolvedBaseTypes === ts.emptyArray) {
                                         type.resolvedBaseTypes = [baseType];
                                     }
                                     else {
@@ -28391,20 +25174,10 @@ var ts;
                 if (!pushTypeResolution(symbol, 2)) {
                     return unknownType;
                 }
-                var declaration = ts.getDeclarationOfKind(symbol, 291);
-                var type = void 0;
-                if (declaration) {
-                    if (declaration.jsDocTypeLiteral) {
-                        type = getTypeFromTypeNode(declaration.jsDocTypeLiteral);
-                    }
-                    else {
-                        type = getTypeFromTypeNode(declaration.typeExpression.type);
-                    }
-                }
-                else {
-                    declaration = ts.getDeclarationOfKind(symbol, 231);
-                    type = getTypeFromTypeNode(declaration.type);
-                }
+                var declaration = ts.find(symbol.declarations, function (d) {
+                    return d.kind === 283 || d.kind === 231;
+                });
+                var type = getTypeFromTypeNode(declaration.kind === 283 ? declaration.typeExpression : declaration.type);
                 if (popTypeResolution()) {
                     var typeParameters = getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol);
                     if (typeParameters) {
@@ -28426,10 +25199,18 @@ var ts;
             if (!expr) {
                 return !ts.isInAmbientContext(member);
             }
-            return expr.kind === 9 || expr.kind === 8 ||
-                expr.kind === 192 && expr.operator === 38 &&
-                    expr.operand.kind === 8 ||
-                expr.kind === 71 && (ts.nodeIsMissing(expr) || !!getSymbolOfNode(member.parent).exports.get(expr.text));
+            switch (expr.kind) {
+                case 9:
+                case 8:
+                    return true;
+                case 192:
+                    return expr.operator === 38 &&
+                        expr.operand.kind === 8;
+                case 71:
+                    return ts.nodeIsMissing(expr) || !!getSymbolOfNode(member.parent).exports.get(expr.escapedText);
+                default:
+                    return false;
+            }
         }
         function getEnumKind(symbol) {
             var links = getSymbolLinks(symbol);
@@ -28530,7 +25311,7 @@ var ts;
             if (symbol.flags & 8) {
                 return getDeclaredTypeOfEnumMember(symbol);
             }
-            if (symbol.flags & 8388608) {
+            if (symbol.flags & 2097152) {
                 return getDeclaredTypeOfAlias(symbol);
             }
             return unknownType;
@@ -28603,27 +25384,19 @@ var ts;
             }
             return false;
         }
-        function createSymbolTable(symbols) {
-            var result = ts.createMap();
-            for (var _i = 0, symbols_1 = symbols; _i < symbols_1.length; _i++) {
-                var symbol = symbols_1[_i];
-                result.set(symbol.name, symbol);
-            }
-            return result;
-        }
         function createInstantiatedSymbolTable(symbols, mapper, mappingThisOnly) {
-            var result = ts.createMap();
+            var result = ts.createSymbolTable();
             for (var _i = 0, symbols_2 = symbols; _i < symbols_2.length; _i++) {
                 var symbol = symbols_2[_i];
-                result.set(symbol.name, mappingThisOnly && isIndependentMember(symbol) ? symbol : instantiateSymbol(symbol, mapper));
+                result.set(symbol.escapedName, mappingThisOnly && isIndependentMember(symbol) ? symbol : instantiateSymbol(symbol, mapper));
             }
             return result;
         }
         function addInheritedMembers(symbols, baseSymbols) {
             for (var _i = 0, baseSymbols_1 = baseSymbols; _i < baseSymbols_1.length; _i++) {
                 var s = baseSymbols_1[_i];
-                if (!symbols.has(s.name)) {
-                    symbols.set(s.name, s);
+                if (!symbols.has(s.escapedName)) {
+                    symbols.set(s.escapedName, s);
                 }
             }
         }
@@ -28660,7 +25433,7 @@ var ts;
             var numberIndexInfo;
             if (ts.rangeEquals(typeParameters, typeArguments, 0, typeParameters.length)) {
                 mapper = identityMapper;
-                members = source.symbol ? source.symbol.members : createSymbolTable(source.declaredProperties);
+                members = source.symbol ? source.symbol.members : ts.createSymbolTable(source.declaredProperties);
                 callSignatures = source.declaredCallSignatures;
                 constructSignatures = source.declaredConstructSignatures;
                 stringIndexInfo = source.declaredStringIndexInfo;
@@ -28677,7 +25450,7 @@ var ts;
             var baseTypes = getBaseTypes(source);
             if (baseTypes.length) {
                 if (source.symbol && members === source.symbol.members) {
-                    members = createSymbolTable(source.declaredProperties);
+                    members = ts.createSymbolTable(source.declaredProperties);
                 }
                 var thisArgument = ts.lastOrUndefined(typeArguments);
                 for (var _i = 0, baseTypes_1 = baseTypes; _i < baseTypes_1.length; _i++) {
@@ -28697,7 +25470,7 @@ var ts;
             setStructuredTypeMembers(type, members, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo);
         }
         function resolveClassOrInterfaceMembers(type) {
-            resolveObjectTypeMembers(type, resolveDeclaredMembers(type), emptyArray, emptyArray);
+            resolveObjectTypeMembers(type, resolveDeclaredMembers(type), ts.emptyArray, ts.emptyArray);
         }
         function resolveTypeReferenceMembers(type) {
             var source = resolveDeclaredMembers(type.target);
@@ -28726,7 +25499,7 @@ var ts;
             var baseConstructorType = getBaseConstructorTypeOfClass(classType);
             var baseSignatures = getSignaturesOfType(baseConstructorType, 1);
             if (baseSignatures.length === 0) {
-                return [createSignature(undefined, classType.localTypeParameters, undefined, emptyArray, classType, undefined, 0, false, false)];
+                return [createSignature(undefined, classType.localTypeParameters, undefined, ts.emptyArray, classType, undefined, 0, false, false)];
             }
             var baseTypeNode = getBaseTypeNodeOfClass(classType);
             var isJavaScript = ts.isInJavaScriptFile(baseTypeNode);
@@ -28802,7 +25575,7 @@ var ts;
                     }
                 }
             }
-            return result || emptyArray;
+            return result || ts.emptyArray;
         }
         function getUnionIndexInfo(types, kind) {
             var indexTypes = [];
@@ -28847,13 +25620,13 @@ var ts;
             return getIntersectionType(mixedTypes);
         }
         function resolveIntersectionTypeMembers(type) {
-            var callSignatures = emptyArray;
-            var constructSignatures = emptyArray;
+            var callSignatures = ts.emptyArray;
+            var constructSignatures = ts.emptyArray;
             var stringIndexInfo;
             var numberIndexInfo;
             var types = type.types;
             var mixinCount = ts.countWhere(types, isMixinConstructorType);
-            var _loop_3 = function (i) {
+            var _loop_4 = function (i) {
                 var t = type.types[i];
                 if (mixinCount === 0 || mixinCount === types.length && i === 0 || !isMixinConstructorType(t)) {
                     var signatures = getSignaturesOfType(t, 1);
@@ -28871,7 +25644,7 @@ var ts;
                 numberIndexInfo = intersectIndexInfos(numberIndexInfo, getIndexInfoOfType(t, 1));
             };
             for (var i = 0; i < types.length; i++) {
-                _loop_3(i);
+                _loop_4(i);
             }
             setStructuredTypeMembers(type, emptySymbols, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo);
         }
@@ -28895,7 +25668,7 @@ var ts;
             }
             else {
                 var members = emptySymbols;
-                var constructSignatures = emptyArray;
+                var constructSignatures = ts.emptyArray;
                 var stringIndexInfo = undefined;
                 if (symbol.exports) {
                     members = getExportsOfSymbol(symbol);
@@ -28908,7 +25681,7 @@ var ts;
                     }
                     var baseConstructorType = getBaseConstructorTypeOfClass(classType);
                     if (baseConstructorType.flags & (32768 | 131072 | 540672)) {
-                        members = createSymbolTable(getNamedMembers(members));
+                        members = ts.createSymbolTable(getNamedMembers(members));
                         addInheritedMembers(members, getPropertiesOfType(baseConstructorType));
                     }
                     else if (baseConstructorType === anyType) {
@@ -28916,16 +25689,16 @@ var ts;
                     }
                 }
                 var numberIndexInfo = symbol.flags & 384 ? enumNumberIndexInfo : undefined;
-                setStructuredTypeMembers(type, members, emptyArray, constructSignatures, stringIndexInfo, numberIndexInfo);
+                setStructuredTypeMembers(type, members, ts.emptyArray, constructSignatures, stringIndexInfo, numberIndexInfo);
                 if (symbol.flags & (16 | 8192)) {
                     type.callSignatures = getSignaturesOfSymbol(symbol);
                 }
             }
         }
         function resolveMappedTypeMembers(type) {
-            var members = ts.createMap();
+            var members = ts.createSymbolTable();
             var stringIndexInfo;
-            setStructuredTypeMembers(type, emptySymbols, emptyArray, emptyArray, undefined, undefined);
+            setStructuredTypeMembers(type, emptySymbols, ts.emptyArray, ts.emptyArray, undefined, undefined);
             var typeParameter = getTypeParameterFromMappedType(type);
             var constraintType = getConstraintTypeFromMappedType(type);
             var templateType = getTemplateTypeFromMappedType(type);
@@ -28946,16 +25719,16 @@ var ts;
                 var iterationType = keyType.flags & 262144 ? getIndexType(getApparentType(keyType.type)) : keyType;
                 forEachType(iterationType, addMemberForKeyType);
             }
-            setStructuredTypeMembers(type, members, emptyArray, emptyArray, stringIndexInfo, undefined);
+            setStructuredTypeMembers(type, members, ts.emptyArray, ts.emptyArray, stringIndexInfo, undefined);
             function addMemberForKeyType(t, propertySymbol) {
                 var iterationMapper = createTypeMapper([typeParameter], [t]);
                 var templateMapper = type.mapper ? combineTypeMappers(type.mapper, iterationMapper) : iterationMapper;
                 var propType = instantiateType(templateType, templateMapper);
                 if (t.flags & 32) {
-                    var propName = t.value;
+                    var propName = ts.escapeLeadingUnderscores(t.value);
                     var modifiersProp = getPropertyOfType(modifiersType, propName);
-                    var isOptional = templateOptional || !!(modifiersProp && modifiersProp.flags & 67108864);
-                    var prop = createSymbol(4 | (isOptional ? 67108864 : 0), propName);
+                    var isOptional = templateOptional || !!(modifiersProp && modifiersProp.flags & 16777216);
+                    var prop = createSymbol(4 | (isOptional ? 16777216 : 0), propName);
                     prop.checkFlags = templateReadonly || modifiersProp && isReadonlySymbol(modifiersProp) ? 8 : 0;
                     prop.type = propType;
                     if (propertySymbol) {
@@ -28998,12 +25771,11 @@ var ts;
             }
             return type.modifiersType;
         }
+        function isPartialMappedType(type) {
+            return getObjectFlags(type) & 32 && !!type.declaration.questionToken;
+        }
         function isGenericMappedType(type) {
-            if (getObjectFlags(type) & 32) {
-                var constraintType = getConstraintTypeFromMappedType(type);
-                return maybeTypeOfKind(constraintType, 540672 | 262144);
-            }
-            return false;
+            return getObjectFlags(type) & 32 && isGenericIndexType(getConstraintTypeFromMappedType(type));
         }
         function resolveStructuredTypeMembers(type) {
             if (!type.members) {
@@ -29034,7 +25806,7 @@ var ts;
             if (type.flags & 32768) {
                 return resolveStructuredTypeMembers(type).properties;
             }
-            return emptyArray;
+            return ts.emptyArray;
         }
         function getPropertyOfObjectType(type, name) {
             if (type.flags & 32768) {
@@ -29047,15 +25819,15 @@ var ts;
         }
         function getPropertiesOfUnionOrIntersectionType(type) {
             if (!type.resolvedProperties) {
-                var members = ts.createMap();
+                var members = ts.createSymbolTable();
                 for (var _i = 0, _a = type.types; _i < _a.length; _i++) {
                     var current = _a[_i];
                     for (var _b = 0, _c = getPropertiesOfType(current); _b < _c.length; _b++) {
                         var prop = _c[_b];
-                        if (!members.has(prop.name)) {
-                            var combinedProp = getPropertyOfUnionOrIntersectionType(type, prop.name);
+                        if (!members.has(prop.escapedName)) {
+                            var combinedProp = getPropertyOfUnionOrIntersectionType(type, prop.escapedName);
                             if (combinedProp) {
-                                members.set(prop.name, combinedProp);
+                                members.set(prop.escapedName, combinedProp);
                             }
                         }
                     }
@@ -29075,16 +25847,16 @@ var ts;
         }
         function getAllPossiblePropertiesOfType(type) {
             if (type.flags & 65536) {
-                var props = ts.createMap();
+                var props = ts.createSymbolTable();
                 for (var _i = 0, _a = type.types; _i < _a.length; _i++) {
                     var memberType = _a[_i];
                     if (memberType.flags & 8190) {
                         continue;
                     }
                     for (var _b = 0, _c = getPropertiesOfType(memberType); _b < _c.length; _b++) {
-                        var name = _c[_b].name;
-                        if (!props.has(name)) {
-                            props.set(name, createUnionOrIntersectionProperty(type, name));
+                        var escapedName = _c[_b].escapedName;
+                        if (!props.has(escapedName)) {
+                            props.set(escapedName, createUnionOrIntersectionProperty(type, escapedName));
                         }
                     }
                 }
@@ -29103,6 +25875,10 @@ var ts;
             return hasNonCircularBaseConstraint(typeParameter) ? getConstraintFromTypeParameter(typeParameter) : undefined;
         }
         function getConstraintOfIndexedAccess(type) {
+            var transformed = getTransformedIndexedAccessType(type);
+            if (transformed) {
+                return transformed;
+            }
             var baseObjectType = getBaseConstraintOfType(type.objectType);
             var baseIndexType = getBaseConstraintOfType(type.indexType);
             return baseObjectType || baseIndexType ? getIndexedAccessType(baseObjectType || type.objectType, baseIndexType || type.indexType) : undefined;
@@ -29165,11 +25941,18 @@ var ts;
                     return stringType;
                 }
                 if (t.flags & 524288) {
+                    var transformed = getTransformedIndexedAccessType(t);
+                    if (transformed) {
+                        return getBaseConstraint(transformed);
+                    }
                     var baseObjectType = getBaseConstraint(t.objectType);
                     var baseIndexType = getBaseConstraint(t.indexType);
                     var baseIndexedAccess = baseObjectType && baseIndexType ? getIndexedAccessType(baseObjectType, baseIndexType) : undefined;
                     return baseIndexedAccess && baseIndexedAccess !== unknownType ? getBaseConstraint(baseIndexedAccess) : undefined;
                 }
+                if (isGenericMappedType(t)) {
+                    return emptyObjectType;
+                }
                 return t;
             }
         }
@@ -29204,7 +25987,7 @@ var ts;
             var types = containingType.types;
             var isUnion = containingType.flags & 65536;
             var excludeModifiers = isUnion ? 24 : 0;
-            var commonFlags = isUnion ? 0 : 67108864;
+            var commonFlags = isUnion ? 0 : 16777216;
             var syntheticFlag = 4;
             var checkFlags = 0;
             for (var _i = 0, types_3 = types; _i < types_3.length; _i++) {
@@ -29266,7 +26049,7 @@ var ts;
             return result;
         }
         function getUnionOrIntersectionProperty(type, name) {
-            var properties = type.propertyCache || (type.propertyCache = ts.createMap());
+            var properties = type.propertyCache || (type.propertyCache = ts.createSymbolTable());
             var property = properties.get(name);
             if (!property) {
                 property = createUnionOrIntersectionProperty(type, name);
@@ -29306,7 +26089,7 @@ var ts;
                 var resolved = resolveStructuredTypeMembers(type);
                 return kind === 0 ? resolved.callSignatures : resolved.constructSignatures;
             }
-            return emptyArray;
+            return ts.emptyArray;
         }
         function getSignaturesOfType(type, kind) {
             return getSignaturesOfStructuredType(getApparentType(type), kind);
@@ -29332,7 +26115,7 @@ var ts;
                 var propTypes = [];
                 for (var _i = 0, _a = getPropertiesOfType(type); _i < _a.length; _i++) {
                     var prop = _a[_i];
-                    if (kind === 0 || isNumericLiteralName(prop.name)) {
+                    if (kind === 0 || isNumericLiteralName(prop.escapedName)) {
                         propTypes.push(getTypeOfSymbol(prop));
                     }
                 }
@@ -29365,8 +26148,8 @@ var ts;
             return result;
         }
         function isJSDocOptionalParameter(node) {
-            if (node.flags & 65536) {
-                if (node.type && node.type.kind === 278) {
+            if (ts.isInJavaScriptFile(node)) {
+                if (node.type && node.type.kind === 272) {
                     return true;
                 }
                 var paramTags = ts.getJSDocParameterTags(node);
@@ -29377,7 +26160,7 @@ var ts;
                             return true;
                         }
                         if (paramTag.typeExpression) {
-                            return paramTag.typeExpression.type.kind === 278;
+                            return paramTag.typeExpression.type.kind === 272;
                         }
                     }
                 }
@@ -29410,11 +26193,11 @@ var ts;
             return false;
         }
         function createTypePredicateFromTypePredicateNode(node) {
-            if (node.parameterName.kind === 71) {
-                var parameterName = node.parameterName;
+            var parameterName = node.parameterName;
+            if (parameterName.kind === 71) {
                 return {
                     kind: 1,
-                    parameterName: parameterName ? parameterName.text : undefined,
+                    parameterName: parameterName ? parameterName.escapedText : undefined,
                     parameterIndex: parameterName ? getTypePredicateParameterIndex(node.parent.parameters, parameterName) : undefined,
                     type: getTypeFromTypeNode(node.type)
                 };
@@ -29447,12 +26230,12 @@ var ts;
                         typeArguments = [];
                     }
                     for (var i = numTypeArguments; i < numTypeParameters; i++) {
-                        typeArguments[i] = isJavaScript ? anyType : emptyObjectType;
+                        typeArguments[i] = getDefaultTypeArgumentType(isJavaScript);
                     }
                     for (var i = numTypeArguments; i < numTypeParameters; i++) {
                         var mapper = createTypeMapper(typeParameters, typeArguments);
                         var defaultType = getDefaultFromTypeParameter(typeParameters[i]);
-                        typeArguments[i] = defaultType ? instantiateType(defaultType, mapper) : isJavaScript ? anyType : emptyObjectType;
+                        typeArguments[i] = defaultType ? instantiateType(defaultType, mapper) : getDefaultTypeArgumentType(isJavaScript);
                     }
                 }
             }
@@ -29473,10 +26256,10 @@ var ts;
                     var param = declaration.parameters[i];
                     var paramSymbol = param.symbol;
                     if (paramSymbol && !!(paramSymbol.flags & 4) && !ts.isBindingPattern(param.name)) {
-                        var resolvedSymbol = resolveName(param, paramSymbol.name, 107455, undefined, undefined);
+                        var resolvedSymbol = resolveName(param, paramSymbol.escapedName, 107455, undefined, undefined);
                         paramSymbol = resolvedSymbol;
                     }
-                    if (i === 0 && paramSymbol.name === "this") {
+                    if (i === 0 && paramSymbol.escapedName === "this") {
                         hasThisParameter = true;
                         thisParameter = param.symbol;
                     }
@@ -29512,7 +26295,7 @@ var ts;
                     createTypePredicateFromTypePredicateNode(declaration.type) :
                     undefined;
                 var hasRestLikeParameter = ts.hasRestParameter(declaration);
-                if (!hasRestLikeParameter && ts.isInJavaScriptFile(declaration) && !ts.hasJSDocParameterTags(declaration) && containsArgumentsReference(declaration)) {
+                if (!hasRestLikeParameter && ts.isInJavaScriptFile(declaration) && containsArgumentsReference(declaration)) {
                     hasRestLikeParameter = true;
                     var syntheticArgsSymbol = createSymbol(3, "args");
                     syntheticArgsSymbol.type = anyArrayType;
@@ -29558,7 +26341,7 @@ var ts;
                     return false;
                 switch (node.kind) {
                     case 71:
-                        return node.text === "arguments" && ts.isPartOfExpression(node);
+                        return node.escapedText === "arguments" && ts.isPartOfExpression(node);
                     case 149:
                     case 151:
                     case 153:
@@ -29572,7 +26355,7 @@ var ts;
         }
         function getSignaturesOfSymbol(symbol) {
             if (!symbol)
-                return emptyArray;
+                return ts.emptyArray;
             var result = [];
             for (var i = 0; i < symbol.declarations.length; i++) {
                 var node = symbol.declarations[i];
@@ -29590,7 +26373,7 @@ var ts;
                     case 154:
                     case 186:
                     case 187:
-                    case 279:
+                    case 273:
                         if (i > 0 && node.body) {
                             var previous = symbol.declarations[i - 1];
                             if (node.parent === previous.parent && node.kind === previous.kind && node.pos === previous.end) {
@@ -29649,6 +26432,9 @@ var ts;
             }
             return signature.resolvedReturnType;
         }
+        function isResolvingReturnTypeOfSignature(signature) {
+            return !signature.resolvedReturnType && findResolutionCycleStartIndex(signature, 3) >= 0;
+        }
         function getRestTypeOfSignature(signature) {
             if (signature.hasRestParameter) {
                 var type = getTypeOfSymbol(ts.lastOrUndefined(signature.parameters));
@@ -29672,21 +26458,29 @@ var ts;
             return instantiateSignature(signature, createTypeMapper(signature.typeParameters, typeArguments), true);
         }
         function getErasedSignature(signature) {
-            if (!signature.typeParameters)
-                return signature;
-            if (!signature.erasedSignatureCache) {
-                signature.erasedSignatureCache = instantiateSignature(signature, createTypeEraser(signature.typeParameters), true);
-            }
-            return signature.erasedSignatureCache;
+            return signature.typeParameters ?
+                signature.erasedSignatureCache || (signature.erasedSignatureCache = createErasedSignature(signature)) :
+                signature;
+        }
+        function createErasedSignature(signature) {
+            return instantiateSignature(signature, createTypeEraser(signature.typeParameters), true);
+        }
+        function getCanonicalSignature(signature) {
+            return signature.typeParameters ?
+                signature.canonicalSignatureCache || (signature.canonicalSignatureCache = createCanonicalSignature(signature)) :
+                signature;
+        }
+        function createCanonicalSignature(signature) {
+            return getSignatureInstantiation(signature, ts.map(signature.typeParameters, function (tp) { return tp.target && !getConstraintOfTypeParameter(tp.target) ? tp.target : tp; }));
         }
         function getOrCreateTypeFromSignature(signature) {
             if (!signature.isolatedSignatureType) {
                 var isConstructor = signature.declaration.kind === 152 || signature.declaration.kind === 156;
                 var type = createObjectType(16);
                 type.members = emptySymbols;
-                type.properties = emptyArray;
-                type.callSignatures = !isConstructor ? [signature] : emptyArray;
-                type.constructSignatures = isConstructor ? [signature] : emptyArray;
+                type.properties = ts.emptyArray;
+                type.callSignatures = !isConstructor ? [signature] : ts.emptyArray;
+                type.constructSignatures = isConstructor ? [signature] : ts.emptyArray;
                 signature.isolatedSignatureType = type;
             }
             return signature.isolatedSignatureType;
@@ -29717,7 +26511,7 @@ var ts;
         function getIndexInfoOfSymbol(symbol, kind) {
             var declaration = getIndexDeclarationOfSymbol(symbol, kind);
             if (declaration) {
-                return createIndexInfo(declaration.type ? getTypeFromTypeNode(declaration.type) : anyType, (ts.getModifierFlags(declaration) & 64) !== 0, declaration);
+                return createIndexInfo(declaration.type ? getTypeFromTypeNode(declaration.type) : anyType, ts.hasModifier(declaration, 64), declaration);
             }
             return undefined;
         }
@@ -29743,12 +26537,12 @@ var ts;
         function getTypeListId(types) {
             var result = "";
             if (types) {
-                var length_4 = types.length;
+                var length_5 = types.length;
                 var i = 0;
-                while (i < length_4) {
+                while (i < length_5) {
                     var startId = types[i].id;
                     var count = 1;
-                    while (i + count < length_4 && types[i + count].id === startId + count) {
+                    while (i + count < length_5 && types[i + count].id === startId + count) {
                         count++;
                     }
                     if (result.length) {
@@ -29824,7 +26618,7 @@ var ts;
             var id = getTypeListId(typeArguments);
             var instantiation = links.instantiations.get(id);
             if (!instantiation) {
-                links.instantiations.set(id, instantiation = instantiateTypeNoAlias(type, createTypeMapper(typeParameters, fillMissingTypeArguments(typeArguments, typeParameters, getMinTypeArgumentCount(typeParameters)))));
+                links.instantiations.set(id, instantiation = instantiateType(type, createTypeMapper(typeParameters, fillMissingTypeArguments(typeArguments, typeParameters, getMinTypeArgumentCount(typeParameters)))));
             }
             return instantiation;
         }
@@ -29859,8 +26653,6 @@ var ts;
             switch (node.kind) {
                 case 159:
                     return node.typeName;
-                case 277:
-                    return node.name;
                 case 201:
                     var expr = node.expression;
                     if (ts.isEntityNameExpression(expr)) {
@@ -29884,7 +26676,7 @@ var ts;
             if (type) {
                 return type;
             }
-            if (symbol.flags & 107455 && node.kind === 277) {
+            if (symbol.flags & 107455 && isJSDocTypeReference(node)) {
                 var valueType = getTypeOfSymbol(symbol);
                 if (valueType.symbol && !isInferredClassType(valueType)) {
                     var referenceType = getTypeReferenceTypeWorker(node, valueType.symbol, typeArguments);
@@ -29904,13 +26696,29 @@ var ts;
             if (symbol.flags & 524288) {
                 return getTypeFromTypeAliasReference(node, symbol, typeArguments);
             }
-            if (symbol.flags & 16 && node.kind === 277 && (symbol.members || ts.getJSDocClassTag(symbol.valueDeclaration))) {
+            if (symbol.flags & 16 &&
+                isJSDocTypeReference(node) &&
+                (symbol.members || ts.getJSDocClassTag(symbol.valueDeclaration))) {
                 return getInferredClassType(symbol);
             }
         }
-        function getPrimitiveTypeFromJSDocTypeReference(node) {
-            if (ts.isIdentifier(node.name)) {
-                switch (node.name.text) {
+        function isJSDocTypeReference(node) {
+            return node.flags & 1048576 && node.kind === 159;
+        }
+        function getIntendedTypeFromJSDocTypeReference(node) {
+            if (ts.isIdentifier(node.typeName)) {
+                if (node.typeName.escapedText === "Object") {
+                    if (node.typeArguments && node.typeArguments.length === 2) {
+                        var indexed = getTypeFromTypeNode(node.typeArguments[0]);
+                        var target = getTypeFromTypeNode(node.typeArguments[1]);
+                        var index = createIndexInfo(target, false);
+                        if (indexed === stringType || indexed === numberType) {
+                            return createAnonymousType(undefined, emptySymbols, ts.emptyArray, ts.emptyArray, indexed === stringType && index, indexed === numberType && index);
+                        }
+                    }
+                    return anyType;
+                }
+                switch (node.typeName.escapedText) {
                     case "String":
                         return stringType;
                     case "Number":
@@ -29923,14 +26731,12 @@ var ts;
                         return undefinedType;
                     case "Null":
                         return nullType;
-                    case "Object":
-                        return anyType;
                     case "Function":
                     case "function":
                         return globalFunctionType;
                     case "Array":
                     case "array":
-                        return !node.typeArguments || !node.typeArguments.length ? createArrayType(anyType) : undefined;
+                        return !node.typeArguments || !node.typeArguments.length ? anyArrayType : undefined;
                     case "Promise":
                     case "promise":
                         return !node.typeArguments || !node.typeArguments.length ? createPromiseType(anyType) : undefined;
@@ -29947,8 +26753,8 @@ var ts;
                 var symbol = void 0;
                 var type = void 0;
                 var meaning = 793064;
-                if (node.kind === 277) {
-                    type = getPrimitiveTypeFromJSDocTypeReference(node);
+                if (isJSDocTypeReference(node)) {
+                    type = getIntendedTypeFromJSDocTypeReference(node);
                     meaning |= 107455;
                 }
                 if (!type) {
@@ -29973,8 +26779,8 @@ var ts;
         function getTypeOfGlobalSymbol(symbol, arity) {
             function getTypeDeclaration(symbol) {
                 var declarations = symbol.declarations;
-                for (var _i = 0, declarations_4 = declarations; _i < declarations_4.length; _i++) {
-                    var declaration = declarations_4[_i];
+                for (var _i = 0, declarations_3 = declarations; _i < declarations_3.length; _i++) {
+                    var declaration = declarations_3[_i];
                     switch (declaration.kind) {
                         case 229:
                         case 230:
@@ -29988,11 +26794,11 @@ var ts;
             }
             var type = getDeclaredTypeOfSymbol(symbol);
             if (!(type.flags & 32768)) {
-                error(getTypeDeclaration(symbol), ts.Diagnostics.Global_type_0_must_be_a_class_or_interface_type, symbol.name);
+                error(getTypeDeclaration(symbol), ts.Diagnostics.Global_type_0_must_be_a_class_or_interface_type, ts.unescapeLeadingUnderscores(symbol.escapedName));
                 return arity ? emptyGenericType : emptyObjectType;
             }
             if (ts.length(type.typeParameters) !== arity) {
-                error(getTypeDeclaration(symbol), ts.Diagnostics.Global_type_0_must_have_1_type_parameter_s, symbol.name, arity);
+                error(getTypeDeclaration(symbol), ts.Diagnostics.Global_type_0_must_have_1_type_parameter_s, ts.unescapeLeadingUnderscores(symbol.escapedName), arity);
                 return arity ? emptyGenericType : emptyObjectType;
             }
             return type;
@@ -30109,8 +26915,8 @@ var ts;
             type.thisType.isThisType = true;
             type.thisType.constraint = type;
             type.declaredProperties = properties;
-            type.declaredCallSignatures = emptyArray;
-            type.declaredConstructSignatures = emptyArray;
+            type.declaredCallSignatures = ts.emptyArray;
+            type.declaredConstructSignatures = ts.emptyArray;
             type.declaredStringIndexInfo = undefined;
             type.declaredNumberIndexInfo = undefined;
             return type;
@@ -30379,9 +27185,9 @@ var ts;
             return type.resolvedIndexType;
         }
         function getLiteralTypeFromPropertyName(prop) {
-            return ts.getDeclarationModifierFlagsFromSymbol(prop) & 24 || ts.startsWith(prop.name, "__@") ?
+            return ts.getDeclarationModifierFlagsFromSymbol(prop) & 24 || ts.startsWith(prop.escapedName, "__@") ?
                 neverType :
-                getLiteralType(ts.unescapeIdentifier(prop.name));
+                getLiteralType(ts.unescapeLeadingUnderscores(prop.escapedName));
         }
         function getLiteralTypeFromPropertyNames(type) {
             return getUnionType(ts.map(getPropertiesOfType(type), getLiteralTypeFromPropertyName));
@@ -30412,9 +27218,9 @@ var ts;
         function getPropertyTypeForIndexType(objectType, indexType, accessNode, cacheSymbol) {
             var accessExpression = accessNode && accessNode.kind === 180 ? accessNode : undefined;
             var propName = indexType.flags & 96 ?
-                "" + indexType.value :
+                ts.escapeLeadingUnderscores("" + indexType.value) :
                 accessExpression && checkThatExpressionIsProperSymbolReference(accessExpression.argumentExpression, indexType, false) ?
-                    ts.getPropertyNameForKnownSymbolName(accessExpression.argumentExpression.name.text) :
+                    ts.getPropertyNameForKnownSymbolName(ts.unescapeLeadingUnderscores(accessExpression.argumentExpression.name.escapedText)) :
                     undefined;
             if (propName !== undefined) {
                 var prop = getPropertyOfType(objectType, propName);
@@ -30431,11 +27237,11 @@ var ts;
                     return getTypeOfSymbol(prop);
                 }
             }
-            if (isTypeAnyOrAllConstituentTypesHaveKind(indexType, 262178 | 84 | 512)) {
+            if (!(indexType.flags & 6144) && isTypeAssignableToKind(indexType, 262178 | 84 | 512)) {
                 if (isTypeAny(objectType)) {
                     return anyType;
                 }
-                var indexInfo = isTypeAnyOrAllConstituentTypesHaveKind(indexType, 84) && getIndexInfoOfType(objectType, 1) ||
+                var indexInfo = isTypeAssignableToKind(indexType, 84) && getIndexInfoOfType(objectType, 1) ||
                     getIndexInfoOfType(objectType, 0) ||
                     undefined;
                 if (indexInfo) {
@@ -30473,25 +27279,69 @@ var ts;
             return anyType;
         }
         function getIndexedAccessForMappedType(type, indexType, accessNode) {
-            var accessExpression = accessNode && accessNode.kind === 180 ? accessNode : undefined;
-            if (accessExpression && ts.isAssignmentTarget(accessExpression) && type.declaration.readonlyToken) {
-                error(accessExpression, ts.Diagnostics.Index_signature_in_type_0_only_permits_reading, typeToString(type));
-                return unknownType;
+            if (accessNode) {
+                if (!isTypeAssignableTo(indexType, getIndexType(type))) {
+                    error(accessNode, ts.Diagnostics.Type_0_cannot_be_used_to_index_type_1, typeToString(indexType), typeToString(type));
+                    return unknownType;
+                }
+                if (accessNode.kind === 180 && ts.isAssignmentTarget(accessNode) && type.declaration.readonlyToken) {
+                    error(accessNode, ts.Diagnostics.Index_signature_in_type_0_only_permits_reading, typeToString(type));
+                    return unknownType;
+                }
             }
             var mapper = createTypeMapper([getTypeParameterFromMappedType(type)], [indexType]);
             var templateMapper = type.mapper ? combineTypeMappers(type.mapper, mapper) : mapper;
             return instantiateType(getTemplateTypeFromMappedType(type), templateMapper);
         }
+        function isGenericObjectType(type) {
+            return type.flags & 540672 ? true :
+                getObjectFlags(type) & 32 ? isGenericIndexType(getConstraintTypeFromMappedType(type)) :
+                    type.flags & 196608 ? ts.forEach(type.types, isGenericObjectType) :
+                        false;
+        }
+        function isGenericIndexType(type) {
+            return type.flags & (540672 | 262144) ? true :
+                type.flags & 196608 ? ts.forEach(type.types, isGenericIndexType) :
+                    false;
+        }
+        function isStringIndexOnlyType(type) {
+            if (type.flags & 32768 && !isGenericMappedType(type)) {
+                var t = resolveStructuredTypeMembers(type);
+                return t.properties.length === 0 &&
+                    t.callSignatures.length === 0 && t.constructSignatures.length === 0 &&
+                    t.stringIndexInfo && !t.numberIndexInfo;
+            }
+            return false;
+        }
+        function getTransformedIndexedAccessType(type) {
+            var objectType = type.objectType;
+            if (objectType.flags & 131072 && isGenericObjectType(objectType) && ts.some(objectType.types, isStringIndexOnlyType)) {
+                var regularTypes = [];
+                var stringIndexTypes = [];
+                for (var _i = 0, _a = objectType.types; _i < _a.length; _i++) {
+                    var t = _a[_i];
+                    if (isStringIndexOnlyType(t)) {
+                        stringIndexTypes.push(getIndexTypeOfType(t, 0));
+                    }
+                    else {
+                        regularTypes.push(t);
+                    }
+                }
+                return getUnionType([
+                    getIndexedAccessType(getIntersectionType(regularTypes), type.indexType),
+                    getIntersectionType(stringIndexTypes)
+                ]);
+            }
+            return undefined;
+        }
         function getIndexedAccessType(objectType, indexType, accessNode) {
-            if (maybeTypeOfKind(indexType, 540672 | 262144) ||
-                maybeTypeOfKind(objectType, 540672) && !(accessNode && accessNode.kind === 180) ||
-                isGenericMappedType(objectType)) {
+            if (isGenericMappedType(objectType)) {
+                return getIndexedAccessForMappedType(objectType, indexType, accessNode);
+            }
+            if (isGenericIndexType(indexType) || !(accessNode && accessNode.kind === 180) && isGenericObjectType(objectType)) {
                 if (objectType.flags & 1) {
                     return objectType;
                 }
-                if (isGenericMappedType(objectType)) {
-                    return getIndexedAccessForMappedType(objectType, indexType, accessNode);
-                }
                 var id = objectType.id + "," + indexType.id;
                 var type = indexedAccessTypes.get(id);
                 if (!type) {
@@ -30544,6 +27394,9 @@ var ts;
                     var type = createObjectType(16, node.symbol);
                     type.aliasSymbol = aliasSymbol;
                     type.aliasTypeArguments = getAliasTypeArgumentsForTypeNode(node);
+                    if (ts.isJSDocTypeLiteral(node) && node.isArrayType) {
+                        type = createArrayType(type);
+                    }
                     links.resolvedType = type;
                 }
             }
@@ -30575,8 +27428,8 @@ var ts;
             if (right.flags & 16777216) {
                 return emptyObjectType;
             }
-            var members = ts.createMap();
-            var skippedPrivateMembers = ts.createMap();
+            var members = ts.createSymbolTable();
+            var skippedPrivateMembers = ts.createUnderscoreEscapedMap();
             var stringIndexInfo;
             var numberIndexInfo;
             if (left === emptyObjectType) {
@@ -30591,45 +27444,45 @@ var ts;
                 var rightProp = _a[_i];
                 var isSetterWithoutGetter = rightProp.flags & 65536 && !(rightProp.flags & 32768);
                 if (ts.getDeclarationModifierFlagsFromSymbol(rightProp) & (8 | 16)) {
-                    skippedPrivateMembers.set(rightProp.name, true);
+                    skippedPrivateMembers.set(rightProp.escapedName, true);
                 }
                 else if (!isClassMethod(rightProp) && !isSetterWithoutGetter) {
-                    members.set(rightProp.name, getNonReadonlySymbol(rightProp));
+                    members.set(rightProp.escapedName, getNonReadonlySymbol(rightProp));
                 }
             }
             for (var _b = 0, _c = getPropertiesOfType(left); _b < _c.length; _b++) {
                 var leftProp = _c[_b];
                 if (leftProp.flags & 65536 && !(leftProp.flags & 32768)
-                    || skippedPrivateMembers.has(leftProp.name)
+                    || skippedPrivateMembers.has(leftProp.escapedName)
                     || isClassMethod(leftProp)) {
                     continue;
                 }
-                if (members.has(leftProp.name)) {
-                    var rightProp = members.get(leftProp.name);
+                if (members.has(leftProp.escapedName)) {
+                    var rightProp = members.get(leftProp.escapedName);
                     var rightType = getTypeOfSymbol(rightProp);
-                    if (rightProp.flags & 67108864) {
+                    if (rightProp.flags & 16777216) {
                         var declarations = ts.concatenate(leftProp.declarations, rightProp.declarations);
-                        var flags = 4 | (leftProp.flags & 67108864);
-                        var result = createSymbol(flags, leftProp.name);
+                        var flags = 4 | (leftProp.flags & 16777216);
+                        var result = createSymbol(flags, leftProp.escapedName);
                         result.type = getUnionType([getTypeOfSymbol(leftProp), getTypeWithFacts(rightType, 131072)]);
                         result.leftSpread = leftProp;
                         result.rightSpread = rightProp;
                         result.declarations = declarations;
-                        members.set(leftProp.name, result);
+                        members.set(leftProp.escapedName, result);
                     }
                 }
                 else {
-                    members.set(leftProp.name, getNonReadonlySymbol(leftProp));
+                    members.set(leftProp.escapedName, getNonReadonlySymbol(leftProp));
                 }
             }
-            return createAnonymousType(undefined, members, emptyArray, emptyArray, stringIndexInfo, numberIndexInfo);
+            return createAnonymousType(undefined, members, ts.emptyArray, ts.emptyArray, stringIndexInfo, numberIndexInfo);
         }
         function getNonReadonlySymbol(prop) {
             if (!isReadonlySymbol(prop)) {
                 return prop;
             }
-            var flags = 4 | (prop.flags & 67108864);
-            var result = createSymbol(flags, prop.name);
+            var flags = 4 | (prop.flags & 16777216);
+            var result = createSymbol(flags, prop.escapedName);
             result.type = getTypeOfSymbol(prop);
             result.declarations = prop.declarations;
             result.syntheticOrigin = prop;
@@ -30683,19 +27536,11 @@ var ts;
             }
             return links.resolvedType;
         }
-        function getTypeFromJSDocTupleType(node) {
-            var links = getNodeLinks(node);
-            if (!links.resolvedType) {
-                var types = ts.map(node.types, getTypeFromTypeNode);
-                links.resolvedType = createTupleType(types);
-            }
-            return links.resolvedType;
-        }
         function getThisType(node) {
             var container = ts.getThisContainer(node, false);
             var parent = container && container.parent;
             if (parent && (ts.isClassLike(parent) || parent.kind === 230)) {
-                if (!(ts.getModifierFlags(container) & 32) &&
+                if (!ts.hasModifier(container, 32) &&
                     (container.kind !== 152 || ts.isNodeDescendantOf(node, container.body))) {
                     return getDeclaredTypeOfClassOrInterface(getSymbolOfNode(parent)).thisType;
                 }
@@ -30733,16 +27578,13 @@ var ts;
                 case 130:
                     return neverType;
                 case 134:
-                    return nonPrimitiveType;
+                    return node.flags & 65536 ? anyType : nonPrimitiveType;
                 case 169:
                 case 99:
                     return getTypeFromThisTypeNode(node);
                 case 173:
                     return getTypeFromLiteralTypeNode(node);
-                case 294:
-                    return getTypeFromLiteralTypeNode(node.literal);
                 case 159:
-                case 277:
                     return getTypeFromTypeReference(node);
                 case 158:
                     return booleanType;
@@ -30751,30 +27593,25 @@ var ts;
                 case 162:
                     return getTypeFromTypeQueryNode(node);
                 case 164:
-                case 270:
                     return getTypeFromArrayTypeNode(node);
                 case 165:
                     return getTypeFromTupleTypeNode(node);
                 case 166:
-                case 271:
                     return getTypeFromUnionTypeNode(node);
                 case 167:
                     return getTypeFromIntersectionTypeNode(node);
-                case 273:
+                case 270:
                     return getTypeFromJSDocNullableTypeNode(node);
                 case 168:
-                case 274:
-                case 281:
-                case 282:
-                case 278:
+                case 271:
+                case 272:
+                case 267:
                     return getTypeFromTypeNode(node.type);
-                case 275:
-                    return getTypeFromTypeNode(node.literal);
                 case 160:
                 case 161:
                 case 163:
-                case 293:
-                case 279:
+                case 285:
+                case 273:
                     return getTypeFromTypeLiteralOrFunctionOrConstructorTypeNode(node);
                 case 170:
                     return getTypeFromTypeOperatorNode(node);
@@ -30786,9 +27623,7 @@ var ts;
                 case 143:
                     var symbol = getSymbolAtLocation(node);
                     return symbol && getDeclaredTypeOfSymbol(symbol);
-                case 272:
-                    return getTypeFromJSDocTupleType(node);
-                case 280:
+                case 274:
                     return getTypeFromJSDocVariadicType(node);
                 default:
                     return unknownType;
@@ -30811,10 +27646,6 @@ var ts;
         function instantiateSignatures(signatures, mapper) {
             return instantiateList(signatures, mapper, instantiateSignature);
         }
-        function instantiateCached(type, mapper, instantiator) {
-            var instantiations = mapper.instantiations || (mapper.instantiations = []);
-            return instantiations[type.id] || (instantiations[type.id] = instantiator(type, mapper));
-        }
         function makeUnaryTypeMapper(source, target) {
             return function (t) { return t === source ? target : t; };
         }
@@ -30832,40 +27663,33 @@ var ts;
             };
         }
         function createTypeMapper(sources, targets) {
-            var mapper = sources.length === 1 ? makeUnaryTypeMapper(sources[0], targets ? targets[0] : anyType) :
+            ts.Debug.assert(targets === undefined || sources.length === targets.length);
+            return sources.length === 1 ? makeUnaryTypeMapper(sources[0], targets ? targets[0] : anyType) :
                 sources.length === 2 ? makeBinaryTypeMapper(sources[0], targets ? targets[0] : anyType, sources[1], targets ? targets[1] : anyType) :
                     makeArrayTypeMapper(sources, targets);
-            mapper.mappedTypes = sources;
-            return mapper;
         }
         function createTypeEraser(sources) {
             return createTypeMapper(sources, undefined);
         }
         function createBackreferenceMapper(typeParameters, index) {
-            var mapper = function (t) { return ts.indexOf(typeParameters, t) >= index ? emptyObjectType : t; };
-            mapper.mappedTypes = typeParameters;
-            return mapper;
+            return function (t) { return ts.indexOf(typeParameters, t) >= index ? emptyObjectType : t; };
         }
         function isInferenceContext(mapper) {
             return !!mapper.signature;
         }
         function cloneTypeMapper(mapper) {
             return mapper && isInferenceContext(mapper) ?
-                createInferenceContext(mapper.signature, mapper.flags | 2, mapper.inferences) :
+                createInferenceContext(mapper.signature, mapper.flags | 2, mapper.compareTypes, mapper.inferences) :
                 mapper;
         }
         function identityMapper(type) {
             return type;
         }
         function combineTypeMappers(mapper1, mapper2) {
-            var mapper = function (t) { return instantiateType(mapper1(t), mapper2); };
-            mapper.mappedTypes = ts.concatenate(mapper1.mappedTypes, mapper2.mappedTypes);
-            return mapper;
+            return function (t) { return instantiateType(mapper1(t), mapper2); };
         }
         function createReplacementMapper(source, target, baseMapper) {
-            var mapper = function (t) { return t === source ? target : baseMapper(t); };
-            mapper.mappedTypes = baseMapper.mappedTypes;
-            return mapper;
+            return function (t) { return t === source ? target : baseMapper(t); };
         }
         function cloneTypeParameter(typeParameter) {
             var result = createType(16384);
@@ -30914,7 +27738,7 @@ var ts;
                 symbol = links.target;
                 mapper = combineTypeMappers(links.mapper, mapper);
             }
-            var result = createSymbol(symbol.flags, symbol.name);
+            var result = createSymbol(symbol.flags, symbol.escapedName);
             result.checkFlags = 1;
             result.declarations = symbol.declarations;
             result.parent = symbol.parent;
@@ -30925,13 +27749,45 @@ var ts;
             }
             return result;
         }
-        function instantiateAnonymousType(type, mapper) {
-            var result = createObjectType(16 | 64, type.symbol);
-            result.target = type.objectFlags & 64 ? type.target : type;
-            result.mapper = type.objectFlags & 64 ? combineTypeMappers(type.mapper, mapper) : mapper;
-            result.aliasSymbol = type.aliasSymbol;
-            result.aliasTypeArguments = instantiateTypes(type.aliasTypeArguments, mapper);
-            return result;
+        function getAnonymousTypeInstantiation(type, mapper) {
+            var target = type.objectFlags & 64 ? type.target : type;
+            var symbol = target.symbol;
+            var links = getSymbolLinks(symbol);
+            var typeParameters = links.typeParameters;
+            if (!typeParameters) {
+                var declaration_1 = symbol.declarations[0];
+                var outerTypeParameters = getOuterTypeParameters(declaration_1, true) || ts.emptyArray;
+                typeParameters = symbol.flags & 2048 && !target.aliasTypeArguments ?
+                    ts.filter(outerTypeParameters, function (tp) { return isTypeParameterReferencedWithin(tp, declaration_1); }) :
+                    outerTypeParameters;
+                links.typeParameters = typeParameters;
+                if (typeParameters.length) {
+                    links.instantiations = ts.createMap();
+                    links.instantiations.set(getTypeListId(typeParameters), target);
+                }
+            }
+            if (typeParameters.length) {
+                var combinedMapper = type.objectFlags & 64 ? combineTypeMappers(type.mapper, mapper) : mapper;
+                var typeArguments = ts.map(typeParameters, combinedMapper);
+                var id = getTypeListId(typeArguments);
+                var result = links.instantiations.get(id);
+                if (!result) {
+                    var newMapper = createTypeMapper(typeParameters, typeArguments);
+                    result = target.objectFlags & 32 ? instantiateMappedType(target, newMapper) : instantiateAnonymousType(target, newMapper);
+                    links.instantiations.set(id, result);
+                }
+                return result;
+            }
+            return type;
+        }
+        function isTypeParameterReferencedWithin(tp, node) {
+            return tp.isThisType ? ts.forEachChild(node, checkThis) : ts.forEachChild(node, checkIdentifier);
+            function checkThis(node) {
+                return node.kind === 169 || ts.forEachChild(node, checkThis);
+            }
+            function checkIdentifier(node) {
+                return node.kind === 71 && ts.isPartOfTypeNode(node) && getTypeFromTypeNode(node) === tp || ts.forEachChild(node, checkIdentifier);
+            }
         }
         function instantiateMappedType(type, mapper) {
             var constraintType = getConstraintTypeFromMappedType(type);
@@ -30942,134 +27798,58 @@ var ts;
                     if (typeVariable_1 !== mappedTypeVariable) {
                         return mapType(mappedTypeVariable, function (t) {
                             if (isMappableType(t)) {
-                                return instantiateMappedObjectType(type, createReplacementMapper(typeVariable_1, t, mapper));
+                                return instantiateAnonymousType(type, createReplacementMapper(typeVariable_1, t, mapper));
                             }
                             return t;
                         });
                     }
                 }
             }
-            return instantiateMappedObjectType(type, mapper);
+            return instantiateAnonymousType(type, mapper);
         }
         function isMappableType(type) {
             return type.flags & (16384 | 32768 | 131072 | 524288);
         }
-        function instantiateMappedObjectType(type, mapper) {
-            var result = createObjectType(32 | 64, type.symbol);
-            result.declaration = type.declaration;
-            result.mapper = type.mapper ? combineTypeMappers(type.mapper, mapper) : mapper;
+        function instantiateAnonymousType(type, mapper) {
+            var result = createObjectType(type.objectFlags | 64, type.symbol);
+            if (type.objectFlags & 32) {
+                result.declaration = type.declaration;
+            }
+            result.target = type;
+            result.mapper = mapper;
             result.aliasSymbol = type.aliasSymbol;
             result.aliasTypeArguments = instantiateTypes(type.aliasTypeArguments, mapper);
             return result;
         }
-        function isSymbolInScopeOfMappedTypeParameter(symbol, mapper) {
-            if (!(symbol.declarations && symbol.declarations.length)) {
-                return false;
-            }
-            var mappedTypes = mapper.mappedTypes;
-            return !!ts.findAncestor(symbol.declarations[0], function (node) {
-                if (node.kind === 233 || node.kind === 265) {
-                    return "quit";
-                }
-                switch (node.kind) {
-                    case 160:
-                    case 161:
-                    case 228:
-                    case 151:
-                    case 150:
-                    case 152:
-                    case 155:
-                    case 156:
-                    case 157:
-                    case 153:
-                    case 154:
-                    case 186:
-                    case 187:
-                    case 229:
-                    case 199:
-                    case 230:
-                    case 231:
-                        var typeParameters = ts.getEffectiveTypeParameterDeclarations(node);
-                        if (typeParameters) {
-                            for (var _i = 0, typeParameters_1 = typeParameters; _i < typeParameters_1.length; _i++) {
-                                var d = typeParameters_1[_i];
-                                if (ts.contains(mappedTypes, getDeclaredTypeOfTypeParameter(getSymbolOfNode(d)))) {
-                                    return true;
-                                }
-                            }
-                        }
-                        if (ts.isClassLike(node) || node.kind === 230) {
-                            var thisType = getDeclaredTypeOfClassOrInterface(getSymbolOfNode(node)).thisType;
-                            if (thisType && ts.contains(mappedTypes, thisType)) {
-                                return true;
-                            }
-                        }
-                        break;
-                    case 172:
-                        if (ts.contains(mappedTypes, getDeclaredTypeOfTypeParameter(getSymbolOfNode(node.typeParameter)))) {
-                            return true;
-                        }
-                        break;
-                    case 279:
-                        var func = node;
-                        for (var _a = 0, _b = func.parameters; _a < _b.length; _a++) {
-                            var p = _b[_a];
-                            if (ts.contains(mappedTypes, getTypeOfNode(p))) {
-                                return true;
-                            }
-                        }
-                        break;
-                }
-            });
-        }
-        function isTopLevelTypeAlias(symbol) {
-            if (symbol.declarations && symbol.declarations.length) {
-                var parentKind = symbol.declarations[0].parent.kind;
-                return parentKind === 265 || parentKind === 234;
-            }
-            return false;
-        }
         function instantiateType(type, mapper) {
             if (type && mapper !== identityMapper) {
-                if (type.aliasSymbol && isTopLevelTypeAlias(type.aliasSymbol)) {
-                    if (type.aliasTypeArguments) {
-                        return getTypeAliasInstantiation(type.aliasSymbol, instantiateTypes(type.aliasTypeArguments, mapper));
+                if (type.flags & 16384) {
+                    return mapper(type);
+                }
+                if (type.flags & 32768) {
+                    if (type.objectFlags & 16) {
+                        return type.symbol && type.symbol.flags & (16 | 8192 | 32 | 2048 | 4096) && type.symbol.declarations ?
+                            getAnonymousTypeInstantiation(type, mapper) : type;
+                    }
+                    if (type.objectFlags & 32) {
+                        return getAnonymousTypeInstantiation(type, mapper);
+                    }
+                    if (type.objectFlags & 4) {
+                        return createTypeReference(type.target, instantiateTypes(type.typeArguments, mapper));
                     }
-                    return type;
                 }
-                return instantiateTypeNoAlias(type, mapper);
-            }
-            return type;
-        }
-        function instantiateTypeNoAlias(type, mapper) {
-            if (type.flags & 16384) {
-                return mapper(type);
-            }
-            if (type.flags & 32768) {
-                if (type.objectFlags & 16) {
-                    return type.symbol &&
-                        type.symbol.flags & (16 | 8192 | 32 | 2048 | 4096) &&
-                        (type.objectFlags & 64 || isSymbolInScopeOfMappedTypeParameter(type.symbol, mapper)) ?
-                        instantiateCached(type, mapper, instantiateAnonymousType) : type;
+                if (type.flags & 65536 && !(type.flags & 8190)) {
+                    return getUnionType(instantiateTypes(type.types, mapper), false, type.aliasSymbol, instantiateTypes(type.aliasTypeArguments, mapper));
                 }
-                if (type.objectFlags & 32) {
-                    return instantiateCached(type, mapper, instantiateMappedType);
+                if (type.flags & 131072) {
+                    return getIntersectionType(instantiateTypes(type.types, mapper), type.aliasSymbol, instantiateTypes(type.aliasTypeArguments, mapper));
                 }
-                if (type.objectFlags & 4) {
-                    return createTypeReference(type.target, instantiateTypes(type.typeArguments, mapper));
+                if (type.flags & 262144) {
+                    return getIndexType(instantiateType(type.type, mapper));
+                }
+                if (type.flags & 524288) {
+                    return getIndexedAccessType(instantiateType(type.objectType, mapper), instantiateType(type.indexType, mapper));
                 }
-            }
-            if (type.flags & 65536 && !(type.flags & 8190)) {
-                return getUnionType(instantiateTypes(type.types, mapper), false, type.aliasSymbol, instantiateTypes(type.aliasTypeArguments, mapper));
-            }
-            if (type.flags & 131072) {
-                return getIntersectionType(instantiateTypes(type.types, mapper), type.aliasSymbol, instantiateTypes(type.aliasTypeArguments, mapper));
-            }
-            if (type.flags & 262144) {
-                return getIndexType(instantiateType(type.type, mapper));
-            }
-            if (type.flags & 524288) {
-                return getIndexedAccessType(instantiateType(type.objectType, mapper), instantiateType(type.indexType, mapper));
             }
             return type;
         }
@@ -31115,11 +27895,13 @@ var ts;
             if (ts.forEach(node.parameters, function (p) { return !ts.getEffectiveTypeAnnotationNode(p); })) {
                 return true;
             }
-            if (node.kind === 187) {
-                return false;
+            if (node.kind !== 187) {
+                var parameter = ts.firstOrUndefined(node.parameters);
+                if (!(parameter && ts.parameterIsThisKeyword(parameter))) {
+                    return true;
+                }
             }
-            var parameter = ts.firstOrUndefined(node.parameters);
-            return !(parameter && ts.parameterIsThisKeyword(parameter));
+            return node.body.kind === 207 ? false : isContextSensitive(node.body);
         }
         function isContextSensitiveFunctionOrObjectLiteralMethod(func) {
             return (isFunctionExpressionOrArrowFunction(func) || ts.isObjectLiteralMethod(func)) && isContextSensitiveFunctionLikeDeclaration(func);
@@ -31131,8 +27913,8 @@ var ts;
                     var result = createObjectType(16, type.symbol);
                     result.members = resolved.members;
                     result.properties = resolved.properties;
-                    result.callSignatures = emptyArray;
-                    result.constructSignatures = emptyArray;
+                    result.callSignatures = ts.emptyArray;
+                    result.constructSignatures = ts.emptyArray;
                     return result;
                 }
             }
@@ -31181,8 +27963,9 @@ var ts;
             if (!target.hasRestParameter && source.minArgumentCount > target.parameters.length) {
                 return 0;
             }
-            if (source.typeParameters) {
-                source = instantiateSignatureInContextOf(source, target);
+            if (source.typeParameters && source.typeParameters !== target.typeParameters) {
+                target = getCanonicalSignature(target);
+                source = instantiateSignatureInContextOf(source, target, undefined, compareTypes);
             }
             var result = -1;
             var sourceThisType = getThisTypeOfSignature(source);
@@ -31217,7 +28000,7 @@ var ts;
                     !checkAsCallback && compareTypes(sourceType, targetType, false) || compareTypes(targetType, sourceType, reportErrors);
                 if (!related) {
                     if (reportErrors) {
-                        errorReporter(ts.Diagnostics.Types_of_parameters_0_and_1_are_incompatible, sourceParams[i < sourceMax ? i : sourceMax].name, targetParams[i < targetMax ? i : targetMax].name);
+                        errorReporter(ts.Diagnostics.Types_of_parameters_0_and_1_are_incompatible, ts.unescapeLeadingUnderscores(sourceParams[i < sourceMax ? i : sourceMax].escapedName), ts.unescapeLeadingUnderscores(targetParams[i < targetMax ? i : targetMax].escapedName));
                     }
                     return 0;
                 }
@@ -31231,11 +28014,11 @@ var ts;
                 var sourceReturnType = getReturnTypeOfSignature(source);
                 if (target.typePredicate) {
                     if (source.typePredicate) {
-                        result &= compareTypePredicateRelatedTo(source.typePredicate, target.typePredicate, reportErrors, errorReporter, compareTypes);
+                        result &= compareTypePredicateRelatedTo(source.typePredicate, target.typePredicate, source.declaration, target.declaration, reportErrors, errorReporter, compareTypes);
                     }
                     else if (ts.isIdentifierTypePredicate(target.typePredicate)) {
                         if (reportErrors) {
-                            errorReporter(ts.Diagnostics.Signature_0_must_have_a_type_predicate, signatureToString(source));
+                            errorReporter(ts.Diagnostics.Signature_0_must_be_a_type_predicate, signatureToString(source));
                         }
                         return 0;
                     }
@@ -31247,7 +28030,7 @@ var ts;
             }
             return result;
         }
-        function compareTypePredicateRelatedTo(source, target, reportErrors, errorReporter, compareTypes) {
+        function compareTypePredicateRelatedTo(source, target, sourceDeclaration, targetDeclaration, reportErrors, errorReporter, compareTypes) {
             if (source.kind !== target.kind) {
                 if (reportErrors) {
                     errorReporter(ts.Diagnostics.A_this_based_type_guard_is_not_compatible_with_a_parameter_based_type_guard);
@@ -31256,11 +28039,13 @@ var ts;
                 return 0;
             }
             if (source.kind === 1) {
-                var sourceIdentifierPredicate = source;
-                var targetIdentifierPredicate = target;
-                if (sourceIdentifierPredicate.parameterIndex !== targetIdentifierPredicate.parameterIndex) {
+                var sourcePredicate = source;
+                var targetPredicate = target;
+                var sourceIndex = sourcePredicate.parameterIndex - (ts.getThisParameter(sourceDeclaration) ? 1 : 0);
+                var targetIndex = targetPredicate.parameterIndex - (ts.getThisParameter(targetDeclaration) ? 1 : 0);
+                if (sourceIndex !== targetIndex) {
                     if (reportErrors) {
-                        errorReporter(ts.Diagnostics.Parameter_0_is_not_in_the_same_position_as_parameter_1, sourceIdentifierPredicate.parameterName, targetIdentifierPredicate.parameterName);
+                        errorReporter(ts.Diagnostics.Parameter_0_is_not_in_the_same_position_as_parameter_1, sourcePredicate.parameterName, targetPredicate.parameterName);
                         errorReporter(ts.Diagnostics.Type_predicate_0_is_not_assignable_to_1, typePredicateToString(source), typePredicateToString(target));
                     }
                     return 0;
@@ -31328,7 +28113,7 @@ var ts;
             if (relation !== undefined) {
                 return relation;
             }
-            if (sourceSymbol.name !== targetSymbol.name || !(sourceSymbol.flags & 256) || !(targetSymbol.flags & 256)) {
+            if (sourceSymbol.escapedName !== targetSymbol.escapedName || !(sourceSymbol.flags & 256) || !(targetSymbol.flags & 256)) {
                 enumRelation.set(id, false);
                 return false;
             }
@@ -31336,10 +28121,10 @@ var ts;
             for (var _i = 0, _a = getPropertiesOfType(getTypeOfSymbol(sourceSymbol)); _i < _a.length; _i++) {
                 var property = _a[_i];
                 if (property.flags & 8) {
-                    var targetProperty = getPropertyOfType(targetEnumType, property.name);
+                    var targetProperty = getPropertyOfType(targetEnumType, property.escapedName);
                     if (!targetProperty || !(targetProperty.flags & 8)) {
                         if (errorReporter) {
-                            errorReporter(ts.Diagnostics.Property_0_is_missing_in_type_1, property.name, typeToString(getDeclaredTypeOfSymbol(targetSymbol), undefined, 256));
+                            errorReporter(ts.Diagnostics.Property_0_is_missing_in_type_1, ts.unescapeLeadingUnderscores(property.escapedName), typeToString(getDeclaredTypeOfSymbol(targetSymbol), undefined, 256));
                         }
                         enumRelation.set(id, false);
                         return false;
@@ -31405,8 +28190,7 @@ var ts;
                 return true;
             }
             if (source.flags & 32768 && target.flags & 32768) {
-                var id = relation !== identityRelation || source.id < target.id ? source.id + "," + target.id : target.id + "," + source.id;
-                var related = relation.get(id);
+                var related = relation.get(getRelationKey(source, target, relation));
                 if (related !== undefined) {
                     return related === 1;
                 }
@@ -31418,11 +28202,12 @@ var ts;
         }
         function checkTypeRelatedTo(source, target, relation, errorNode, headMessage, containingMessageChain) {
             var errorInfo;
+            var maybeKeys;
             var sourceStack;
             var targetStack;
-            var maybeStack;
-            var expandingFlags;
+            var maybeCount = 0;
             var depth = 0;
+            var expandingFlags = 0;
             var overflow = false;
             var isIntersectionConstituent = false;
             ts.Debug.assert(relation !== identityRelation || !errorNode, "no error reporting in identity checking");
@@ -31518,11 +28303,21 @@ var ts;
                     !(target.flags & 65536) &&
                     !isIntersectionConstituent &&
                     source !== globalObjectType &&
-                    getPropertiesOfType(source).length > 0 &&
+                    (getPropertiesOfType(source).length > 0 ||
+                        getSignaturesOfType(source, 0).length > 0 ||
+                        getSignaturesOfType(source, 1).length > 0) &&
                     isWeakType(target) &&
                     !hasCommonProperties(source, target)) {
                     if (reportErrors) {
-                        reportError(ts.Diagnostics.Type_0_has_no_properties_in_common_with_type_1, typeToString(source), typeToString(target));
+                        var calls = getSignaturesOfType(source, 0);
+                        var constructs = getSignaturesOfType(source, 1);
+                        if (calls.length > 0 && isRelatedTo(getReturnTypeOfSignature(calls[0]), target, false) ||
+                            constructs.length > 0 && isRelatedTo(getReturnTypeOfSignature(constructs[0]), target, false)) {
+                            reportError(ts.Diagnostics.Value_of_type_0_has_no_properties_in_common_with_type_1_Did_you_mean_to_call_it, typeToString(source), typeToString(target));
+                        }
+                        else {
+                            reportError(ts.Diagnostics.Type_0_has_no_properties_in_common_with_type_1, typeToString(source), typeToString(target));
+                        }
                     }
                     return 0;
                 }
@@ -31586,8 +28381,8 @@ var ts;
                         (isTypeSubsetOf(globalObjectType, target) || (!isComparingJsxAttributes && isEmptyObjectType(target)))) {
                         return false;
                     }
-                    var _loop_4 = function (prop) {
-                        if (!isKnownProperty(target, prop.name, isComparingJsxAttributes)) {
+                    var _loop_5 = function (prop) {
+                        if (!isKnownProperty(target, prop.escapedName, isComparingJsxAttributes)) {
                             if (reportErrors) {
                                 ts.Debug.assert(!!errorNode);
                                 if (ts.isJsxAttributes(errorNode) || ts.isJsxOpeningLikeElement(errorNode)) {
@@ -31606,7 +28401,7 @@ var ts;
                     };
                     for (var _i = 0, _a = getPropertiesOfObjectType(source); _i < _a.length; _i++) {
                         var prop = _a[_i];
-                        var state_2 = _loop_4(prop);
+                        var state_2 = _loop_5(prop);
                         if (typeof state_2 === "object")
                             return state_2.value;
                     }
@@ -31649,11 +28444,11 @@ var ts;
                 if (sourceProperties) {
                     for (var _i = 0, sourceProperties_1 = sourceProperties; _i < sourceProperties_1.length; _i++) {
                         var sourceProperty = sourceProperties_1[_i];
-                        if (isDiscriminantProperty(target, sourceProperty.name)) {
+                        if (isDiscriminantProperty(target, sourceProperty.escapedName)) {
                             var sourceType = getTypeOfSymbol(sourceProperty);
                             for (var _a = 0, _b = target.types; _a < _b.length; _a++) {
                                 var type = _b[_a];
-                                var targetType = getTypeOfPropertyOfType(type, sourceProperty.name);
+                                var targetType = getTypeOfPropertyOfType(type, sourceProperty.escapedName);
                                 if (targetType && isRelatedTo(sourceType, targetType)) {
                                     return type;
                                 }
@@ -31703,8 +28498,8 @@ var ts;
                 return result;
             }
             function typeArgumentsRelatedTo(source, target, reportErrors) {
-                var sources = source.typeArguments || emptyArray;
-                var targets = target.typeArguments || emptyArray;
+                var sources = source.typeArguments || ts.emptyArray;
+                var targets = target.typeArguments || ts.emptyArray;
                 if (sources.length !== targets.length && relation === identityRelation) {
                     return 0;
                 }
@@ -31723,7 +28518,7 @@ var ts;
                 if (overflow) {
                     return 0;
                 }
-                var id = relation !== identityRelation || source.id < target.id ? source.id + "," + target.id : target.id + "," + source.id;
+                var id = getRelationKey(source, target, relation);
                 var related = relation.get(id);
                 if (related !== undefined) {
                     if (reportErrors && related === 2) {
@@ -31733,9 +28528,14 @@ var ts;
                         return related === 1 ? -1 : 0;
                     }
                 }
-                if (depth > 0) {
-                    for (var i = 0; i < depth; i++) {
-                        if (maybeStack[i].get(id)) {
+                if (!maybeKeys) {
+                    maybeKeys = [];
+                    sourceStack = [];
+                    targetStack = [];
+                }
+                else {
+                    for (var i = 0; i < maybeCount; i++) {
+                        if (id === maybeKeys[i]) {
                             return 1;
                         }
                     }
@@ -31744,16 +28544,11 @@ var ts;
                         return 0;
                     }
                 }
-                else {
-                    sourceStack = [];
-                    targetStack = [];
-                    maybeStack = [];
-                    expandingFlags = 0;
-                }
+                var maybeStart = maybeCount;
+                maybeKeys[maybeCount] = id;
+                maybeCount++;
                 sourceStack[depth] = source;
                 targetStack[depth] = target;
-                maybeStack[depth] = ts.createMap();
-                maybeStack[depth].set(id, 1);
                 depth++;
                 var saveExpandingFlags = expandingFlags;
                 if (!(expandingFlags & 1) && isDeeplyNestedType(source, sourceStack, depth))
@@ -31764,12 +28559,16 @@ var ts;
                 expandingFlags = saveExpandingFlags;
                 depth--;
                 if (result) {
-                    var maybeCache = maybeStack[depth];
-                    var destinationCache = (result === -1 || depth === 0) ? relation : maybeStack[depth - 1];
-                    ts.copyEntries(maybeCache, destinationCache);
+                    if (result === -1 || depth === 0) {
+                        for (var i = maybeStart; i < maybeCount; i++) {
+                            relation.set(maybeKeys[i], 1);
+                        }
+                        maybeCount = maybeStart;
+                    }
                 }
                 else {
                     relation.set(id, reportErrors ? 3 : 2);
+                    maybeCount = maybeStart;
                 }
                 return result;
             }
@@ -31859,8 +28658,11 @@ var ts;
                     }
                     if (source.flags & (32768 | 131072) && target.flags & 32768) {
                         var reportStructuralErrors = reportErrors && errorInfo === saveErrorInfo && !sourceIsPrimitive;
-                        if (isGenericMappedType(source) || isGenericMappedType(target)) {
-                            result = mappedTypeRelatedTo(source, target, reportStructuralErrors);
+                        if (isPartialMappedType(target) && !isGenericMappedType(source) && isEmptyObjectType(source)) {
+                            result = -1;
+                        }
+                        else if (isGenericMappedType(target)) {
+                            result = isGenericMappedType(source) ? mappedTypeRelatedTo(source, target, reportStructuralErrors) : 0;
                         }
                         else {
                             result = propertiesRelatedTo(source, target, reportStructuralErrors);
@@ -31886,31 +28688,18 @@ var ts;
                 return 0;
             }
             function mappedTypeRelatedTo(source, target, reportErrors) {
-                if (isGenericMappedType(target)) {
-                    if (isGenericMappedType(source)) {
-                        var sourceReadonly = !!source.declaration.readonlyToken;
-                        var sourceOptional = !!source.declaration.questionToken;
-                        var targetReadonly = !!target.declaration.readonlyToken;
-                        var targetOptional = !!target.declaration.questionToken;
-                        var modifiersRelated = relation === identityRelation ?
-                            sourceReadonly === targetReadonly && sourceOptional === targetOptional :
-                            relation === comparableRelation || !sourceOptional || targetOptional;
-                        if (modifiersRelated) {
-                            var result_2;
-                            if (result_2 = isRelatedTo(getConstraintTypeFromMappedType(target), getConstraintTypeFromMappedType(source), reportErrors)) {
-                                var mapper = createTypeMapper([getTypeParameterFromMappedType(source)], [getTypeParameterFromMappedType(target)]);
-                                return result_2 & isRelatedTo(instantiateType(getTemplateTypeFromMappedType(source), mapper), getTemplateTypeFromMappedType(target), reportErrors);
-                            }
-                        }
-                    }
-                    else if (target.declaration.questionToken && isEmptyObjectType(source)) {
-                        return -1;
-                    }
-                }
-                else if (relation !== identityRelation) {
-                    var resolved = resolveStructuredTypeMembers(target);
-                    if (isEmptyResolvedType(resolved) || resolved.stringIndexInfo && resolved.stringIndexInfo.type.flags & 1) {
-                        return -1;
+                var sourceReadonly = !!source.declaration.readonlyToken;
+                var sourceOptional = !!source.declaration.questionToken;
+                var targetReadonly = !!target.declaration.readonlyToken;
+                var targetOptional = !!target.declaration.questionToken;
+                var modifiersRelated = relation === identityRelation ?
+                    sourceReadonly === targetReadonly && sourceOptional === targetOptional :
+                    relation === comparableRelation || !sourceOptional || targetOptional;
+                if (modifiersRelated) {
+                    var result_2;
+                    if (result_2 = isRelatedTo(getConstraintTypeFromMappedType(target), getConstraintTypeFromMappedType(source), reportErrors)) {
+                        var mapper = createTypeMapper([getTypeParameterFromMappedType(source)], [getTypeParameterFromMappedType(target)]);
+                        return result_2 & isRelatedTo(instantiateType(getTemplateTypeFromMappedType(source), mapper), getTemplateTypeFromMappedType(target), reportErrors);
                     }
                 }
                 return 0;
@@ -31922,19 +28711,19 @@ var ts;
                 var result = -1;
                 var properties = getPropertiesOfObjectType(target);
                 var requireOptionalProperties = relation === subtypeRelation && !(getObjectFlags(source) & 128);
-                for (var _i = 0, properties_4 = properties; _i < properties_4.length; _i++) {
-                    var targetProp = properties_4[_i];
-                    var sourceProp = getPropertyOfType(source, targetProp.name);
+                for (var _i = 0, properties_3 = properties; _i < properties_3.length; _i++) {
+                    var targetProp = properties_3[_i];
+                    var sourceProp = getPropertyOfType(source, targetProp.escapedName);
                     if (sourceProp !== targetProp) {
                         if (!sourceProp) {
-                            if (!(targetProp.flags & 67108864) || requireOptionalProperties) {
+                            if (!(targetProp.flags & 16777216) || requireOptionalProperties) {
                                 if (reportErrors) {
                                     reportError(ts.Diagnostics.Property_0_is_missing_in_type_1, symbolToString(targetProp), typeToString(source));
                                 }
                                 return 0;
                             }
                         }
-                        else if (!(targetProp.flags & 16777216)) {
+                        else if (!(targetProp.flags & 4194304)) {
                             var sourcePropFlags = ts.getDeclarationModifierFlagsFromSymbol(sourceProp);
                             var targetPropFlags = ts.getDeclarationModifierFlagsFromSymbol(targetProp);
                             if (sourcePropFlags & 8 || targetPropFlags & 8) {
@@ -31978,7 +28767,7 @@ var ts;
                                 return 0;
                             }
                             result &= related;
-                            if (relation !== comparableRelation && sourceProp.flags & 67108864 && !(targetProp.flags & 67108864)) {
+                            if (relation !== comparableRelation && sourceProp.flags & 16777216 && !(targetProp.flags & 16777216)) {
                                 if (reportErrors) {
                                     reportError(ts.Diagnostics.Property_0_is_optional_in_type_1_but_required_in_type_2, symbolToString(targetProp), typeToString(source), typeToString(target));
                                 }
@@ -31995,7 +28784,7 @@ var ts;
                     return resolved.callSignatures.length === 0 && resolved.constructSignatures.length === 0 &&
                         !resolved.stringIndexInfo && !resolved.numberIndexInfo &&
                         resolved.properties.length > 0 &&
-                        ts.every(resolved.properties, function (p) { return !!(p.flags & 67108864); });
+                        ts.every(resolved.properties, function (p) { return !!(p.flags & 16777216); });
                 }
                 if (type.flags & 131072) {
                     return ts.every(type.types, isWeakType);
@@ -32006,7 +28795,7 @@ var ts;
                 var isComparingJsxAttributes = !!(source.flags & 33554432);
                 for (var _i = 0, _a = getPropertiesOfType(source); _i < _a.length; _i++) {
                     var prop = _a[_i];
-                    if (isKnownProperty(target, prop.name, isComparingJsxAttributes)) {
+                    if (isKnownProperty(target, prop.escapedName, isComparingJsxAttributes)) {
                         return true;
                     }
                 }
@@ -32024,7 +28813,7 @@ var ts;
                 var result = -1;
                 for (var _i = 0, sourceProperties_2 = sourceProperties; _i < sourceProperties_2.length; _i++) {
                     var sourceProp = sourceProperties_2[_i];
-                    var targetProp = getPropertyOfObjectType(target, sourceProp.name);
+                    var targetProp = getPropertyOfObjectType(target, sourceProp.escapedName);
                     if (!targetProp) {
                         return 0;
                     }
@@ -32116,7 +28905,7 @@ var ts;
                 var result = -1;
                 for (var _i = 0, _a = getPropertiesOfObjectType(source); _i < _a.length; _i++) {
                     var prop = _a[_i];
-                    if (kind === 0 || isNumericLiteralName(prop.name)) {
+                    if (kind === 0 || isNumericLiteralName(prop.escapedName)) {
                         var related = isRelatedTo(getTypeOfSymbol(prop), target, reportErrors);
                         if (!related) {
                             if (reportErrors) {
@@ -32149,6 +28938,9 @@ var ts;
                 if (sourceInfo) {
                     return indexInfoRelatedTo(sourceInfo, targetInfo, reportErrors);
                 }
+                if (isGenericMappedType(source)) {
+                    return kind === 0 && isRelatedTo(getTemplateTypeFromMappedType(source), targetInfo.type, reportErrors);
+                }
                 if (isObjectLiteralType(source)) {
                     var related = -1;
                     if (kind === 0) {
@@ -32182,8 +28974,8 @@ var ts;
                 if (!sourceSignature.declaration || !targetSignature.declaration) {
                     return true;
                 }
-                var sourceAccessibility = ts.getModifierFlags(sourceSignature.declaration) & 24;
-                var targetAccessibility = ts.getModifierFlags(targetSignature.declaration) & 24;
+                var sourceAccessibility = ts.getSelectedModifierFlags(sourceSignature.declaration, 24);
+                var targetAccessibility = ts.getSelectedModifierFlags(targetSignature.declaration, 24);
                 if (targetAccessibility === 8) {
                     return true;
                 }
@@ -32199,11 +28991,47 @@ var ts;
                 return false;
             }
         }
+        function isUnconstrainedTypeParameter(type) {
+            return type.flags & 16384 && !getConstraintFromTypeParameter(type);
+        }
+        function isTypeReferenceWithGenericArguments(type) {
+            return getObjectFlags(type) & 4 && ts.some(type.typeArguments, isUnconstrainedTypeParameter);
+        }
+        function getTypeReferenceId(type, typeParameters) {
+            var result = "" + type.target.id;
+            for (var _i = 0, _a = type.typeArguments; _i < _a.length; _i++) {
+                var t = _a[_i];
+                if (isUnconstrainedTypeParameter(t)) {
+                    var index = ts.indexOf(typeParameters, t);
+                    if (index < 0) {
+                        index = typeParameters.length;
+                        typeParameters.push(t);
+                    }
+                    result += "=" + index;
+                }
+                else {
+                    result += "-" + t.id;
+                }
+            }
+            return result;
+        }
+        function getRelationKey(source, target, relation) {
+            if (relation === identityRelation && source.id > target.id) {
+                var temp = source;
+                source = target;
+                target = temp;
+            }
+            if (isTypeReferenceWithGenericArguments(source) && isTypeReferenceWithGenericArguments(target)) {
+                var typeParameters = [];
+                return getTypeReferenceId(source, typeParameters) + "," + getTypeReferenceId(target, typeParameters);
+            }
+            return source.id + "," + target.id;
+        }
         function forEachProperty(prop, callback) {
             if (ts.getCheckFlags(prop) & 6) {
                 for (var _i = 0, _a = prop.containingType.types; _i < _a.length; _i++) {
                     var t = _a[_i];
-                    var p = getPropertyOfType(t, prop.name);
+                    var p = getPropertyOfType(t, prop.escapedName);
                     var result = p && forEachProperty(p, callback);
                     if (result) {
                         return result;
@@ -32235,7 +29063,7 @@ var ts;
                 var symbol = type.symbol;
                 if (symbol && symbol.flags & 32) {
                     var declaration = getClassLikeDeclarationOfSymbol(symbol);
-                    if (declaration && ts.getModifierFlags(declaration) & 128) {
+                    if (declaration && ts.hasModifier(declaration, 128)) {
                         return true;
                     }
                 }
@@ -32277,7 +29105,7 @@ var ts;
                 }
             }
             else {
-                if ((sourceProp.flags & 67108864) !== (targetProp.flags & 67108864)) {
+                if ((sourceProp.flags & 16777216) !== (targetProp.flags & 16777216)) {
                     return 0;
                 }
             }
@@ -32457,7 +29285,7 @@ var ts;
                 getSignaturesOfType(type, 1).length === 0;
         }
         function createSymbolWithType(source, type) {
-            var symbol = createSymbol(source.flags, source.name);
+            var symbol = createSymbol(source.flags, source.escapedName);
             symbol.declarations = source.declarations;
             symbol.parent = source.parent;
             symbol.type = type;
@@ -32468,12 +29296,12 @@ var ts;
             return symbol;
         }
         function transformTypeOfMembers(type, f) {
-            var members = ts.createMap();
+            var members = ts.createSymbolTable();
             for (var _i = 0, _a = getPropertiesOfObjectType(type); _i < _a.length; _i++) {
                 var property = _a[_i];
                 var original = getTypeOfSymbol(property);
                 var updated = f(original);
-                members.set(property.name, updated === original ? property : createSymbolWithType(property, updated));
+                members.set(property.escapedName, updated === original ? property : createSymbolWithType(property, updated));
             }
             return members;
         }
@@ -32499,14 +29327,14 @@ var ts;
             return widened === original ? prop : createSymbolWithType(prop, widened);
         }
         function getWidenedTypeOfObjectLiteral(type) {
-            var members = ts.createMap();
+            var members = ts.createSymbolTable();
             for (var _i = 0, _a = getPropertiesOfObjectType(type); _i < _a.length; _i++) {
                 var prop = _a[_i];
-                members.set(prop.name, prop.flags & 4 ? getWidenedProperty(prop) : prop);
+                members.set(prop.escapedName, prop.flags & 4 ? getWidenedProperty(prop) : prop);
             }
             var stringIndexInfo = getIndexInfoOfType(type, 0);
             var numberIndexInfo = getIndexInfoOfType(type, 1);
-            return createAnonymousType(type.symbol, members, emptyArray, emptyArray, stringIndexInfo && createIndexInfo(getWidenedType(stringIndexInfo.type), stringIndexInfo.isReadonly), numberIndexInfo && createIndexInfo(getWidenedType(numberIndexInfo.type), numberIndexInfo.isReadonly));
+            return createAnonymousType(type.symbol, members, ts.emptyArray, ts.emptyArray, stringIndexInfo && createIndexInfo(getWidenedType(stringIndexInfo.type), stringIndexInfo.isReadonly), numberIndexInfo && createIndexInfo(getWidenedType(numberIndexInfo.type), numberIndexInfo.isReadonly));
         }
         function getWidenedConstituentType(type) {
             return type.flags & 6144 ? type : getWidenedType(type);
@@ -32552,7 +29380,7 @@ var ts;
                     var t = getTypeOfSymbol(p);
                     if (t.flags & 2097152) {
                         if (!reportWideningErrorsInType(t)) {
-                            error(p.valueDeclaration, ts.Diagnostics.Object_literal_s_property_0_implicitly_has_an_1_type, p.name, typeToString(getWidenedType(t)));
+                            error(p.valueDeclaration, ts.Diagnostics.Object_literal_s_property_0_implicitly_has_an_1_type, ts.unescapeLeadingUnderscores(p.escapedName), typeToString(getWidenedType(t)));
                         }
                         errorReported = true;
                     }
@@ -32621,13 +29449,13 @@ var ts;
                 callback(getTypeAtPosition(source, i), getTypeAtPosition(target, i));
             }
         }
-        function createInferenceContext(signature, flags, baseInferences) {
+        function createInferenceContext(signature, flags, compareTypes, baseInferences) {
             var inferences = baseInferences ? ts.map(baseInferences, cloneInferenceInfo) : ts.map(signature.typeParameters, createInferenceInfo);
             var context = mapper;
-            context.mappedTypes = signature.typeParameters;
             context.signature = signature;
             context.inferences = inferences;
             context.flags = flags;
+            context.compareTypes = compareTypes || compareTypesAssignable;
             return context;
             function mapper(t) {
                 for (var i = 0; i < inferences.length; i++) {
@@ -32687,19 +29515,19 @@ var ts;
             var inferences = [inference];
             var templateType = getTemplateTypeFromMappedType(target);
             var readonlyMask = target.declaration.readonlyToken ? false : true;
-            var optionalMask = target.declaration.questionToken ? 0 : 67108864;
-            var members = ts.createMap();
-            for (var _i = 0, properties_5 = properties; _i < properties_5.length; _i++) {
-                var prop = properties_5[_i];
+            var optionalMask = target.declaration.questionToken ? 0 : 16777216;
+            var members = ts.createSymbolTable();
+            for (var _i = 0, properties_4 = properties; _i < properties_4.length; _i++) {
+                var prop = properties_4[_i];
                 var inferredPropType = inferTargetType(getTypeOfSymbol(prop));
                 if (!inferredPropType) {
                     return undefined;
                 }
-                var inferredProp = createSymbol(4 | prop.flags & optionalMask, prop.name);
+                var inferredProp = createSymbol(4 | prop.flags & optionalMask, prop.escapedName);
                 inferredProp.checkFlags = readonlyMask && isReadonlySymbol(prop) ? 8 : 0;
                 inferredProp.declarations = prop.declarations;
                 inferredProp.type = inferredPropType;
-                members.set(prop.name, inferredProp);
+                members.set(prop.escapedName, inferredProp);
             }
             if (indexInfo) {
                 var inferredIndexType = inferTargetType(indexInfo.type);
@@ -32708,13 +29536,26 @@ var ts;
                 }
                 indexInfo = createIndexInfo(inferredIndexType, readonlyMask && indexInfo.isReadonly);
             }
-            return createAnonymousType(undefined, members, emptyArray, emptyArray, indexInfo, undefined);
+            return createAnonymousType(undefined, members, ts.emptyArray, ts.emptyArray, indexInfo, undefined);
             function inferTargetType(sourceType) {
                 inference.candidates = undefined;
                 inferTypes(inferences, sourceType, templateType);
                 return inference.candidates && getUnionType(inference.candidates, true);
             }
         }
+        function isPossiblyAssignableTo(source, target) {
+            var properties = getPropertiesOfObjectType(target);
+            for (var _i = 0, properties_5 = properties; _i < properties_5.length; _i++) {
+                var targetProp = properties_5[_i];
+                if (!(targetProp.flags & (16777216 | 4194304))) {
+                    var sourceProp = getPropertyOfObjectType(source, targetProp.escapedName);
+                    if (!sourceProp) {
+                        return false;
+                    }
+                }
+            }
+            return true;
+        }
         function inferTypes(inferences, originalSource, originalTarget, priority) {
             if (priority === void 0) { priority = 0; }
             var symbolStack;
@@ -32782,8 +29623,8 @@ var ts;
                     }
                 }
                 else if (getObjectFlags(source) & 4 && getObjectFlags(target) & 4 && source.target === target.target) {
-                    var sourceTypes = source.typeArguments || emptyArray;
-                    var targetTypes = target.typeArguments || emptyArray;
+                    var sourceTypes = source.typeArguments || ts.emptyArray;
+                    var targetTypes = target.typeArguments || ts.emptyArray;
                     var count = sourceTypes.length < targetTypes.length ? sourceTypes.length : targetTypes.length;
                     for (var i = 0; i < count; i++) {
                         inferFromTypes(sourceTypes[i], targetTypes[i]);
@@ -32875,16 +29716,18 @@ var ts;
                         return;
                     }
                 }
-                inferFromProperties(source, target);
-                inferFromSignatures(source, target, 0);
-                inferFromSignatures(source, target, 1);
-                inferFromIndexTypes(source, target);
+                if (isPossiblyAssignableTo(source, target) || isPossiblyAssignableTo(target, source)) {
+                    inferFromProperties(source, target);
+                    inferFromSignatures(source, target, 0);
+                    inferFromSignatures(source, target, 1);
+                    inferFromIndexTypes(source, target);
+                }
             }
             function inferFromProperties(source, target) {
                 var properties = getPropertiesOfObjectType(target);
                 for (var _i = 0, properties_6 = properties; _i < properties_6.length; _i++) {
                     var targetProp = properties_6[_i];
-                    var sourceProp = getPropertyOfObjectType(source, targetProp.name);
+                    var sourceProp = getPropertyOfObjectType(source, targetProp.escapedName);
                     if (sourceProp) {
                         inferFromTypes(getTypeOfSymbol(sourceProp), getTypeOfSymbol(targetProp));
                     }
@@ -32900,11 +29743,8 @@ var ts;
                     inferFromSignature(getErasedSignature(sourceSignatures[sourceLen - len + i]), getErasedSignature(targetSignatures[targetLen - len + i]));
                 }
             }
-            function inferFromParameterTypes(source, target) {
-                return inferFromTypes(source, target);
-            }
             function inferFromSignature(source, target) {
-                forEachMatchingParameterType(source, target, inferFromParameterTypes);
+                forEachMatchingParameterType(source, target, inferFromTypes);
                 if (source.typePredicate && target.typePredicate && source.typePredicate.kind === target.typePredicate.kind) {
                     inferFromTypes(source.typePredicate.type, target.typePredicate.type);
                 }
@@ -32978,20 +29818,23 @@ var ts;
                         inferredType = instantiateType(defaultType, combineTypeMappers(createBackreferenceMapper(context.signature.typeParameters, index), context));
                     }
                     else {
-                        inferredType = context.flags & 4 ? anyType : emptyObjectType;
+                        inferredType = getDefaultTypeArgumentType(!!(context.flags & 4));
                     }
                 }
                 inference.inferredType = inferredType;
                 var constraint = getConstraintOfTypeParameter(context.signature.typeParameters[index]);
                 if (constraint) {
                     var instantiatedConstraint = instantiateType(constraint, context);
-                    if (!isTypeAssignableTo(inferredType, getTypeWithThisArgument(instantiatedConstraint, inferredType))) {
+                    if (!context.compareTypes(inferredType, getTypeWithThisArgument(instantiatedConstraint, inferredType))) {
                         inference.inferredType = inferredType = instantiatedConstraint;
                     }
                 }
             }
             return inferredType;
         }
+        function getDefaultTypeArgumentType(isInJavaScriptFile) {
+            return isInJavaScriptFile ? anyType : emptyObjectType;
+        }
         function getInferredTypes(context) {
             var result = [];
             for (var i = 0; i < context.inferences.length; i++) {
@@ -33002,7 +29845,7 @@ var ts;
         function getResolvedSymbol(node) {
             var links = getNodeLinks(node);
             if (!links.resolvedSymbol) {
-                links.resolvedSymbol = !ts.nodeIsMissing(node) && resolveName(node, node.text, 107455 | 1048576, ts.Diagnostics.Cannot_find_name_0, node, ts.Diagnostics.Cannot_find_name_0_Did_you_mean_1) || unknownSymbol;
+                links.resolvedSymbol = !ts.nodeIsMissing(node) && resolveName(node, node.escapedText, 107455 | 1048576, ts.Diagnostics.Cannot_find_name_0, node, ts.Diagnostics.Cannot_find_name_0_Did_you_mean_1) || unknownSymbol;
             }
             return links.resolvedSymbol;
         }
@@ -33019,19 +29862,35 @@ var ts;
             }
             if (node.kind === 179) {
                 var key = getFlowCacheKey(node.expression);
-                return key && key + "." + node.name.text;
+                return key && key + "." + ts.unescapeLeadingUnderscores(node.name.escapedText);
+            }
+            if (node.kind === 176) {
+                var container = node.parent.parent;
+                var key = container.kind === 176 ? getFlowCacheKey(container) : (container.initializer && getFlowCacheKey(container.initializer));
+                var text = getBindingElementNameText(node);
+                var result = key && text && (key + "." + text);
+                return result;
             }
             return undefined;
         }
-        function getLeftmostIdentifierOrThis(node) {
-            switch (node.kind) {
-                case 71:
-                case 99:
-                    return node;
-                case 179:
-                    return getLeftmostIdentifierOrThis(node.expression);
+        function getBindingElementNameText(element) {
+            if (element.parent.kind === 174) {
+                var name = element.propertyName || element.name;
+                switch (name.kind) {
+                    case 71:
+                        return ts.unescapeLeadingUnderscores(name.escapedText);
+                    case 144:
+                        return ts.isStringOrNumericLiteral(name.expression) ? name.expression.text : undefined;
+                    case 9:
+                    case 8:
+                        return name.text;
+                    default:
+                        ts.Debug.fail("Unexpected name kind for binding element name");
+                }
+            }
+            else {
+                return "" + element.parent.elements.indexOf(element);
             }
-            return undefined;
         }
         function isMatchingReference(source, target) {
             switch (source.kind) {
@@ -33045,8 +29904,21 @@ var ts;
                     return target.kind === 97;
                 case 179:
                     return target.kind === 179 &&
-                        source.name.text === target.name.text &&
+                        source.name.escapedText === target.name.escapedText &&
                         isMatchingReference(source.expression, target.expression);
+                case 176:
+                    if (target.kind !== 179)
+                        return false;
+                    var t = target;
+                    if (t.name.escapedText !== getBindingElementNameText(source))
+                        return false;
+                    if (source.parent.parent.kind === 176 && isMatchingReference(source.parent.parent, t.expression)) {
+                        return true;
+                    }
+                    if (source.parent.parent.kind === 226) {
+                        var maybeId = source.parent.parent.initializer;
+                        return maybeId && isMatchingReference(maybeId, t.expression);
+                    }
             }
             return false;
         }
@@ -33062,7 +29934,7 @@ var ts;
         function containsMatchingReferenceDiscriminant(source, target) {
             return target.kind === 179 &&
                 containsMatchingReference(source, target.expression) &&
-                isDiscriminantProperty(getDeclaredTypeOfReference(target.expression), target.name.text);
+                isDiscriminantProperty(getDeclaredTypeOfReference(target.expression), target.name.escapedText);
         }
         function getDeclaredTypeOfReference(expr) {
             if (expr.kind === 71) {
@@ -33070,7 +29942,7 @@ var ts;
             }
             if (expr.kind === 179) {
                 var type = getDeclaredTypeOfReference(expr.expression);
-                return type && getTypeOfPropertyOfType(type, expr.name.text);
+                return type && getTypeOfPropertyOfType(type, expr.name.escapedText);
             }
             return undefined;
         }
@@ -33344,8 +30216,15 @@ var ts;
         function getSwitchClauseTypes(switchStatement) {
             var links = getNodeLinks(switchStatement);
             if (!links.switchTypes) {
-                var types = ts.map(switchStatement.caseBlock.clauses, getTypeOfSwitchClause);
-                links.switchTypes = !ts.contains(types, undefined) ? types : emptyArray;
+                links.switchTypes = [];
+                for (var _i = 0, _a = switchStatement.caseBlock.clauses; _i < _a.length; _i++) {
+                    var clause = _a[_i];
+                    var type = getTypeOfSwitchClause(clause);
+                    if (type === undefined) {
+                        return links.switchTypes = ts.emptyArray;
+                    }
+                    links.switchTypes.push(type);
+                }
             }
             return links.switchTypes;
         }
@@ -33477,7 +30356,7 @@ var ts;
         function isEvolvingArrayOperationTarget(node) {
             var root = getReferenceRoot(node);
             var parent = root.parent;
-            var isLengthPushOrUnshift = parent.kind === 179 && (parent.name.text === "length" ||
+            var isLengthPushOrUnshift = parent.kind === 179 && (parent.name.escapedText === "length" ||
                 parent.parent.kind === 181 && ts.isPushOrUnshiftIdentifier(parent.name));
             var isElementAssignment = parent.kind === 180 &&
                 parent.expression === root &&
@@ -33485,7 +30364,7 @@ var ts;
                 parent.parent.operatorToken.kind === 58 &&
                 parent.parent.left === parent &&
                 !ts.isAssignmentTarget(parent.parent) &&
-                isTypeAnyOrAllConstituentTypesHaveKind(getTypeOfExpression(parent.argumentExpression), 84 | 2048);
+                isTypeAssignableToKind(getTypeOfExpression(parent.argumentExpression), 84);
             return isLengthPushOrUnshift || isElementAssignment;
         }
         function maybeTypePredicateCall(node) {
@@ -33631,7 +30510,7 @@ var ts;
                         }
                         else {
                             var indexType = getTypeOfExpression(node.left.argumentExpression);
-                            if (isTypeAnyOrAllConstituentTypesHaveKind(indexType, 84 | 2048)) {
+                            if (isTypeAssignableToKind(indexType, 84)) {
                                 evolvedType_1 = addEvolvingArrayElementType(evolvedType_1, node.right);
                             }
                         }
@@ -33664,7 +30543,7 @@ var ts;
                 if (isMatchingReference(reference, expr)) {
                     type = narrowTypeBySwitchOnDiscriminant(type, flow.switchStatement, flow.clauseStart, flow.clauseEnd);
                 }
-                else if (isMatchingReferenceDiscriminant(expr)) {
+                else if (isMatchingReferenceDiscriminant(expr, type)) {
                     type = narrowTypeByDiscriminant(type, expr, function (t) { return narrowTypeBySwitchOnDiscriminant(t, flow.switchStatement, flow.clauseStart, flow.clauseEnd); });
                 }
                 return createFlowType(type, isIncomplete(flowType));
@@ -33700,6 +30579,9 @@ var ts;
                 var cache = flowLoopCaches[id] || (flowLoopCaches[id] = ts.createMap());
                 if (!key) {
                     key = getFlowCacheKey(reference);
+                    if (!key) {
+                        return declaredType;
+                    }
                 }
                 var cached = cache.get(key);
                 if (cached) {
@@ -33746,14 +30628,14 @@ var ts;
                 cache.set(key, result);
                 return result;
             }
-            function isMatchingReferenceDiscriminant(expr) {
+            function isMatchingReferenceDiscriminant(expr, computedType) {
                 return expr.kind === 179 &&
-                    declaredType.flags & 65536 &&
+                    computedType.flags & 65536 &&
                     isMatchingReference(reference, expr.expression) &&
-                    isDiscriminantProperty(declaredType, expr.name.text);
+                    isDiscriminantProperty(computedType, expr.name.escapedText);
             }
             function narrowTypeByDiscriminant(type, propAccess, narrowType) {
-                var propName = propAccess.name.text;
+                var propName = propAccess.name.escapedText;
                 var propType = getTypeOfPropertyOfType(type, propName);
                 var narrowedPropType = propType && narrowType(propType);
                 return propType === narrowedPropType ? type : filterType(type, function (t) { return isTypeComparableTo(getTypeOfPropertyOfType(t, propName), narrowedPropType); });
@@ -33762,7 +30644,7 @@ var ts;
                 if (isMatchingReference(reference, expr)) {
                     return getTypeWithFacts(type, assumeTrue ? 1048576 : 2097152);
                 }
-                if (isMatchingReferenceDiscriminant(expr)) {
+                if (isMatchingReferenceDiscriminant(expr, declaredType)) {
                     return narrowTypeByDiscriminant(type, expr, function (t) { return getTypeWithFacts(t, assumeTrue ? 1048576 : 2097152); });
                 }
                 if (containsMatchingReferenceDiscriminant(reference, expr)) {
@@ -33793,10 +30675,10 @@ var ts;
                         if (isMatchingReference(reference, right_1)) {
                             return narrowTypeByEquality(type, operator_1, left_1, assumeTrue);
                         }
-                        if (isMatchingReferenceDiscriminant(left_1)) {
+                        if (isMatchingReferenceDiscriminant(left_1, declaredType)) {
                             return narrowTypeByDiscriminant(type, left_1, function (t) { return narrowTypeByEquality(t, operator_1, right_1, assumeTrue); });
                         }
-                        if (isMatchingReferenceDiscriminant(right_1)) {
+                        if (isMatchingReferenceDiscriminant(right_1, declaredType)) {
                             return narrowTypeByDiscriminant(type, right_1, function (t) { return narrowTypeByEquality(t, operator_1, left_1, assumeTrue); });
                         }
                         if (containsMatchingReferenceDiscriminant(reference, left_1) || containsMatchingReferenceDiscriminant(reference, right_1)) {
@@ -34005,6 +30887,7 @@ var ts;
             }
         }
         function getTypeOfSymbolAtLocation(symbol, location) {
+            symbol = symbol.exportSymbol || symbol;
             if (location.kind === 71) {
                 if (ts.isRightSideOfQualifiedNameOrPropertyAccess(location)) {
                     location = location.parent;
@@ -34102,26 +30985,26 @@ var ts;
                 markAliasSymbolAsReferenced(symbol);
             }
             var localOrExportSymbol = getExportSymbolOfValueSymbolIfExported(symbol);
+            var declaration = localOrExportSymbol.valueDeclaration;
             if (localOrExportSymbol.flags & 32) {
-                var declaration_1 = localOrExportSymbol.valueDeclaration;
-                if (declaration_1.kind === 229
-                    && ts.nodeIsDecorated(declaration_1)) {
+                if (declaration.kind === 229
+                    && ts.nodeIsDecorated(declaration)) {
                     var container = ts.getContainingClass(node);
                     while (container !== undefined) {
-                        if (container === declaration_1 && container.name !== node) {
-                            getNodeLinks(declaration_1).flags |= 8388608;
+                        if (container === declaration && container.name !== node) {
+                            getNodeLinks(declaration).flags |= 8388608;
                             getNodeLinks(node).flags |= 16777216;
                             break;
                         }
                         container = ts.getContainingClass(container);
                     }
                 }
-                else if (declaration_1.kind === 199) {
+                else if (declaration.kind === 199) {
                     var container = ts.getThisContainer(node, false);
                     while (container !== undefined) {
-                        if (container.parent === declaration_1) {
+                        if (container.parent === declaration) {
                             if (container.kind === 149 && ts.hasModifier(container, 32)) {
-                                getNodeLinks(declaration_1).flags |= 8388608;
+                                getNodeLinks(declaration).flags |= 8388608;
                                 getNodeLinks(node).flags |= 16777216;
                             }
                             break;
@@ -34135,7 +31018,6 @@ var ts;
             checkCollisionWithCapturedNewTargetVariable(node, node);
             checkNestedBlockScopedBinding(node, symbol);
             var type = getDeclaredOrApparentType(localOrExportSymbol, node);
-            var declaration = localOrExportSymbol.valueDeclaration;
             var assignmentKind = ts.getAssignmentTargetKind(node);
             if (assignmentKind) {
                 if (!(localOrExportSymbol.flags & 3)) {
@@ -34147,7 +31029,19 @@ var ts;
                     return unknownType;
                 }
             }
-            if (!(localOrExportSymbol.flags & 3) || assignmentKind === 1 || !declaration) {
+            var isAlias = localOrExportSymbol.flags & 2097152;
+            if (localOrExportSymbol.flags & 3) {
+                if (assignmentKind === 1) {
+                    return type;
+                }
+            }
+            else if (isAlias) {
+                declaration = ts.find(symbol.declarations, isSomeImportDeclaration);
+            }
+            else {
+                return type;
+            }
+            if (!declaration) {
                 return type;
             }
             var isParameter = ts.getRootDeclaration(declaration).kind === 146;
@@ -34159,7 +31053,7 @@ var ts;
                 (isConstVariable(localOrExportSymbol) || isParameter && !isParameterAssigned(localOrExportSymbol))) {
                 flowContainer = getControlFlowContainer(flowContainer);
             }
-            var assumeInitialized = isParameter || isOuterVariable ||
+            var assumeInitialized = isParameter || isAlias || isOuterVariable ||
                 type !== autoType && type !== autoArrayType && (!strictNullChecks || (type.flags & 1) !== 0 || isInTypeQuery(node) || node.parent.kind === 246) ||
                 node.parent.kind === 203 ||
                 ts.isInAmbientContext(declaration);
@@ -34302,7 +31196,7 @@ var ts;
                     break;
                 case 149:
                 case 148:
-                    if (ts.getModifierFlags(container) & 32) {
+                    if (ts.hasModifier(container, 32)) {
                         error(node, ts.Diagnostics.this_cannot_be_referenced_in_a_static_property_initializer);
                     }
                     break;
@@ -34350,9 +31244,11 @@ var ts;
         }
         function getTypeForThisExpressionFromJSDoc(node) {
             var jsdocType = ts.getJSDocType(node);
-            if (jsdocType && jsdocType.kind === 279) {
+            if (jsdocType && jsdocType.kind === 273) {
                 var jsDocFunctionType = jsdocType;
-                if (jsDocFunctionType.parameters.length > 0 && jsDocFunctionType.parameters[0].type.kind === 282) {
+                if (jsDocFunctionType.parameters.length > 0 &&
+                    jsDocFunctionType.parameters[0].name &&
+                    jsDocFunctionType.parameters[0].name.escapedText === "this") {
                     return getTypeFromTypeNode(jsDocFunctionType.parameters[0].type);
                 }
             }
@@ -34391,14 +31287,14 @@ var ts;
             if (!isCallExpression && container.kind === 152) {
                 checkThisBeforeSuper(node, container, ts.Diagnostics.super_must_be_called_before_accessing_a_property_of_super_in_the_constructor_of_a_derived_class);
             }
-            if ((ts.getModifierFlags(container) & 32) || isCallExpression) {
+            if (ts.hasModifier(container, 32) || isCallExpression) {
                 nodeCheckFlag = 512;
             }
             else {
                 nodeCheckFlag = 256;
             }
             getNodeLinks(node).flags |= nodeCheckFlag;
-            if (container.kind === 151 && ts.getModifierFlags(container) & 256) {
+            if (container.kind === 151 && ts.hasModifier(container, 256)) {
                 if (ts.isSuperProperty(node.parent) && ts.isAssignmentTarget(node.parent)) {
                     getNodeLinks(container).flags |= 4096;
                 }
@@ -34443,7 +31339,7 @@ var ts;
                 }
                 else {
                     if (ts.isClassLike(container.parent) || container.parent.kind === 178) {
-                        if (ts.getModifierFlags(container) & 32) {
+                        if (ts.hasModifier(container, 32)) {
                             return container.kind === 151 ||
                                 container.kind === 150 ||
                                 container.kind === 153 ||
@@ -34491,7 +31387,7 @@ var ts;
                     }
                 }
             }
-            if (noImplicitThis) {
+            if (noImplicitThis || ts.isInJavaScriptFile(func)) {
                 var containingLiteral = getContainingObjectLiteral(func);
                 if (containingLiteral) {
                     var contextualType = getApparentTypeOfContextualType(containingLiteral);
@@ -34565,12 +31461,6 @@ var ts;
                 if (typeNode) {
                     return getTypeFromTypeNode(typeNode);
                 }
-                if (ts.isInJavaScriptFile(declaration)) {
-                    var jsDocType = getTypeForDeclarationFromJSDocComment(declaration);
-                    if (jsDocType) {
-                        return jsDocType;
-                    }
-                }
                 if (declaration.kind === 146) {
                     var type = getContextuallyTypedParameterType(declaration);
                     if (type) {
@@ -34639,7 +31529,7 @@ var ts;
                 return getReturnTypeOfSignature(getSignatureFromDeclaration(functionDecl));
             }
             var signature = getContextualSignatureForFunctionLikeDeclaration(functionDecl);
-            if (signature) {
+            if (signature && !isResolvingReturnTypeOfSignature(signature)) {
                 return getReturnTypeOfSignature(signature);
             }
             return undefined;
@@ -34648,7 +31538,7 @@ var ts;
             var args = getEffectiveCallArguments(callTarget);
             var argIndex = ts.indexOf(args, arg);
             if (argIndex >= 0) {
-                var signature = getResolvedOrAnySignature(callTarget);
+                var signature = getNodeLinks(callTarget).resolvedSignature === resolvingSignature ? resolvingSignature : getResolvedSignature(callTarget);
                 return getTypeAtPosition(signature, argIndex);
             }
             return undefined;
@@ -34708,7 +31598,7 @@ var ts;
             var type = getApparentTypeOfContextualType(objectLiteral);
             if (type) {
                 if (!ts.hasDynamicName(element)) {
-                    var symbolName = getSymbolOfNode(element).name;
+                    var symbolName = getSymbolOfNode(element).escapedName;
                     var propertyType = getTypeOfPropertyOfContextualType(type, symbolName);
                     if (propertyType) {
                         return propertyType;
@@ -34743,7 +31633,7 @@ var ts;
                 return undefined;
             }
             if (ts.isJsxAttribute(node.parent)) {
-                return getTypeOfPropertyOfType(attributesType, node.parent.name.text);
+                return getTypeOfPropertyOfType(attributesType, node.parent.name.escapedText);
             }
             else if (node.parent.kind === 249) {
                 var jsxChildrenPropertyName = getJsxElementChildrenPropertyname();
@@ -34759,7 +31649,7 @@ var ts;
                 if (!attributesType || isTypeAny(attributesType)) {
                     return undefined;
                 }
-                return getTypeOfPropertyOfType(attributesType, attribute.name.text);
+                return getTypeOfPropertyOfType(attributesType, attribute.name.escapedText);
             }
             else {
                 return attributesType;
@@ -34962,13 +31852,20 @@ var ts;
                 strictNullChecks ? neverType : undefinedWideningType);
         }
         function isNumericName(name) {
-            return name.kind === 144 ? isNumericComputedName(name) : isNumericLiteralName(name.text);
+            switch (name.kind) {
+                case 144:
+                    return isNumericComputedName(name);
+                case 71:
+                    return isNumericLiteralName(name.escapedText);
+                case 8:
+                case 9:
+                    return isNumericLiteralName(name.text);
+                default:
+                    return false;
+            }
         }
         function isNumericComputedName(name) {
-            return isTypeAnyOrAllConstituentTypesHaveKind(checkComputedPropertyName(name), 84);
-        }
-        function isTypeAnyOrAllConstituentTypesHaveKind(type, kind) {
-            return isTypeAny(type) || isTypeOfKind(type, kind);
+            return isTypeAssignableToKind(checkComputedPropertyName(name), 84);
         }
         function isInfinityOrNaNString(name) {
             return name === "Infinity" || name === "-Infinity" || name === "NaN";
@@ -34980,7 +31877,9 @@ var ts;
             var links = getNodeLinks(node.expression);
             if (!links.resolvedType) {
                 links.resolvedType = checkExpression(node.expression);
-                if (!isTypeAnyOrAllConstituentTypesHaveKind(links.resolvedType, 84 | 262178 | 512)) {
+                if (links.resolvedType.flags & 6144 ||
+                    !isTypeAssignableToKind(links.resolvedType, 262178 | 84 | 512) &&
+                        !isTypeAssignableTo(links.resolvedType, getUnionType([stringType, numberType, esSymbolType]))) {
                     error(node, ts.Diagnostics.A_computed_property_name_must_be_of_type_string_number_symbol_or_any);
                 }
                 else {
@@ -35002,7 +31901,7 @@ var ts;
         function checkObjectLiteral(node, checkMode) {
             var inDestructuringPattern = ts.isAssignmentTarget(node);
             checkGrammarObjectLiteralExpression(node, inDestructuringPattern);
-            var propertiesTable = ts.createMap();
+            var propertiesTable = ts.createSymbolTable();
             var propertiesArray = [];
             var spread = emptyObjectType;
             var propagatedFlags = 0;
@@ -35014,6 +31913,7 @@ var ts;
             var patternWithComputedProperties = false;
             var hasComputedStringProperty = false;
             var hasComputedNumberProperty = false;
+            var isInJSFile = ts.isInJavaScriptFile(node);
             var offset = 0;
             for (var i = 0; i < node.properties.length; i++) {
                 var memberDecl = node.properties[i];
@@ -35021,6 +31921,10 @@ var ts;
                 if (memberDecl.kind === 261 ||
                     memberDecl.kind === 262 ||
                     ts.isObjectLiteralMethod(memberDecl)) {
+                    var jsdocType = void 0;
+                    if (isInJSFile) {
+                        jsdocType = getTypeForDeclarationFromJSDocComment(memberDecl);
+                    }
                     var type = void 0;
                     if (memberDecl.kind === 261) {
                         type = checkPropertyAssignment(memberDecl, checkMode);
@@ -35032,22 +31936,26 @@ var ts;
                         ts.Debug.assert(memberDecl.kind === 262);
                         type = checkExpressionForMutableLocation(memberDecl.name, checkMode);
                     }
+                    if (jsdocType) {
+                        checkTypeAssignableTo(type, jsdocType, memberDecl);
+                        type = jsdocType;
+                    }
                     typeFlags |= type.flags;
-                    var prop = createSymbol(4 | member.flags, member.name);
+                    var prop = createSymbol(4 | member.flags, member.escapedName);
                     if (inDestructuringPattern) {
                         var isOptional = (memberDecl.kind === 261 && hasDefaultValue(memberDecl.initializer)) ||
                             (memberDecl.kind === 262 && memberDecl.objectAssignmentInitializer);
                         if (isOptional) {
-                            prop.flags |= 67108864;
+                            prop.flags |= 16777216;
                         }
                         if (ts.hasDynamicName(memberDecl)) {
                             patternWithComputedProperties = true;
                         }
                     }
                     else if (contextualTypeHasPattern && !(getObjectFlags(contextualType) & 512)) {
-                        var impliedProp = getPropertyOfType(contextualType, member.name);
+                        var impliedProp = getPropertyOfType(contextualType, member.escapedName);
                         if (impliedProp) {
-                            prop.flags |= impliedProp.flags & 67108864;
+                            prop.flags |= impliedProp.flags & 16777216;
                         }
                         else if (!compilerOptions.suppressExcessPropertyErrors && !getIndexInfoOfType(contextualType, 0)) {
                             error(memberDecl.name, ts.Diagnostics.Object_literal_may_only_specify_known_properties_and_0_does_not_exist_in_type_1, symbolToString(member), typeToString(contextualType));
@@ -35069,7 +31977,7 @@ var ts;
                     if (propertiesArray.length > 0) {
                         spread = getSpreadType(spread, createObjectLiteralType());
                         propertiesArray = [];
-                        propertiesTable = ts.createMap();
+                        propertiesTable = ts.createSymbolTable();
                         hasComputedStringProperty = false;
                         hasComputedNumberProperty = false;
                         typeFlags = 0;
@@ -35096,18 +32004,18 @@ var ts;
                     }
                 }
                 else {
-                    propertiesTable.set(member.name, member);
+                    propertiesTable.set(member.escapedName, member);
                 }
                 propertiesArray.push(member);
             }
             if (contextualTypeHasPattern) {
                 for (var _i = 0, _a = getPropertiesOfType(contextualType); _i < _a.length; _i++) {
                     var prop = _a[_i];
-                    if (!propertiesTable.get(prop.name)) {
-                        if (!(prop.flags & 67108864)) {
+                    if (!propertiesTable.get(prop.escapedName)) {
+                        if (!(prop.flags & 16777216)) {
                             error(prop.valueDeclaration || prop.bindingElement, ts.Diagnostics.Initializer_provides_no_value_for_this_binding_element_and_the_binding_element_has_no_default_value);
                         }
-                        propertiesTable.set(prop.name, prop);
+                        propertiesTable.set(prop.escapedName, prop);
                         propertiesArray.push(prop);
                     }
                 }
@@ -35128,7 +32036,7 @@ var ts;
             function createObjectLiteralType() {
                 var stringIndexInfo = isJSObjectLiteral ? jsObjectLiteralIndexInfo : hasComputedStringProperty ? getObjectLiteralIndexInfo(node.properties, offset, propertiesArray, 0) : undefined;
                 var numberIndexInfo = hasComputedNumberProperty && !isJSObjectLiteral ? getObjectLiteralIndexInfo(node.properties, offset, propertiesArray, 1) : undefined;
-                var result = createAnonymousType(node.symbol, propertiesTable, emptyArray, emptyArray, stringIndexInfo, numberIndexInfo);
+                var result = createAnonymousType(node.symbol, propertiesTable, ts.emptyArray, ts.emptyArray, stringIndexInfo, numberIndexInfo);
                 var freshObjectLiteralFlag = compilerOptions.suppressExcessPropertyErrors ? 0 : 1048576;
                 result.flags |= 4194304 | freshObjectLiteralFlag | (typeFlags & 14680064);
                 result.objectFlags |= 128;
@@ -35167,16 +32075,19 @@ var ts;
             return name.indexOf("-") < 0;
         }
         function isJsxIntrinsicIdentifier(tagName) {
-            if (tagName.kind === 179 || tagName.kind === 99) {
-                return false;
-            }
-            else {
-                return ts.isIntrinsicJsxName(tagName.text);
+            switch (tagName.kind) {
+                case 179:
+                case 99:
+                    return false;
+                case 71:
+                    return ts.isIntrinsicJsxName(tagName.escapedText);
+                default:
+                    ts.Debug.fail();
             }
         }
         function createJsxAttributesTypeFromAttributesProperty(openingLikeElement, filter, checkMode) {
             var attributes = openingLikeElement.attributes;
-            var attributesTable = ts.createMap();
+            var attributesTable = ts.createSymbolTable();
             var spread = emptyObjectType;
             var attributesArray = [];
             var hasSpreadAnyType = false;
@@ -35190,7 +32101,7 @@ var ts;
                     var exprType = attributeDecl.initializer ?
                         checkExpression(attributeDecl.initializer, checkMode) :
                         trueType;
-                    var attributeSymbol = createSymbol(4 | 134217728 | member.flags, member.name);
+                    var attributeSymbol = createSymbol(4 | 33554432 | member.flags, member.escapedName);
                     attributeSymbol.declarations = member.declarations;
                     attributeSymbol.parent = member.parent;
                     if (member.valueDeclaration) {
@@ -35198,9 +32109,9 @@ var ts;
                     }
                     attributeSymbol.type = exprType;
                     attributeSymbol.target = member;
-                    attributesTable.set(attributeSymbol.name, attributeSymbol);
+                    attributesTable.set(attributeSymbol.escapedName, attributeSymbol);
                     attributesArray.push(attributeSymbol);
-                    if (attributeDecl.name.text === jsxChildrenPropertyName) {
+                    if (attributeDecl.name.escapedText === jsxChildrenPropertyName) {
                         explicitlySpecifyChildrenAttribute = true;
                     }
                 }
@@ -35209,7 +32120,7 @@ var ts;
                     if (attributesArray.length > 0) {
                         spread = getSpreadType(spread, createJsxAttributesType(attributes.symbol, attributesTable));
                         attributesArray = [];
-                        attributesTable = ts.createMap();
+                        attributesTable = ts.createSymbolTable();
                     }
                     var exprType = checkExpression(attributeDecl.expression);
                     if (isTypeAny(exprType)) {
@@ -35230,11 +32141,11 @@ var ts;
                     }
                     attributesArray = getPropertiesOfType(spread);
                 }
-                attributesTable = ts.createMap();
+                attributesTable = ts.createSymbolTable();
                 for (var _b = 0, attributesArray_1 = attributesArray; _b < attributesArray_1.length; _b++) {
                     var attr = attributesArray_1[_b];
                     if (!filter || filter(attr)) {
-                        attributesTable.set(attr.name, attr);
+                        attributesTable.set(attr.escapedName, attr);
                     }
                 }
             }
@@ -35254,9 +32165,9 @@ var ts;
                 }
                 if (!hasSpreadAnyType && jsxChildrenPropertyName && jsxChildrenPropertyName !== "") {
                     if (explicitlySpecifyChildrenAttribute) {
-                        error(attributes, ts.Diagnostics._0_are_specified_twice_The_attribute_named_0_will_be_overwritten, jsxChildrenPropertyName);
+                        error(attributes, ts.Diagnostics._0_are_specified_twice_The_attribute_named_0_will_be_overwritten, ts.unescapeLeadingUnderscores(jsxChildrenPropertyName));
                     }
-                    var childrenPropSymbol = createSymbol(4 | 134217728, jsxChildrenPropertyName);
+                    var childrenPropSymbol = createSymbol(4 | 33554432, jsxChildrenPropertyName);
                     childrenPropSymbol.type = childrenTypes.length === 1 ?
                         childrenTypes[0] :
                         createArrayType(getUnionType(childrenTypes, false));
@@ -35270,7 +32181,7 @@ var ts;
             return typeToIntersect && attributesTable.size ? getIntersectionType([typeToIntersect, attributeType]) :
                 typeToIntersect ? typeToIntersect : attributeType;
             function createJsxAttributesType(symbol, attributesTable) {
-                var result = createAnonymousType(symbol, attributesTable, emptyArray, emptyArray, undefined, undefined);
+                var result = createAnonymousType(symbol, attributesTable, ts.emptyArray, ts.emptyArray, undefined, undefined);
                 result.flags |= 33554432 | 4194304;
                 result.objectFlags |= 128;
                 return result;
@@ -35291,7 +32202,9 @@ var ts;
             if (!links.resolvedSymbol) {
                 var intrinsicElementsType = getJsxType(JsxNames.IntrinsicElements);
                 if (intrinsicElementsType !== unknownType) {
-                    var intrinsicProp = getPropertyOfType(intrinsicElementsType, node.tagName.text);
+                    if (!ts.isIdentifier(node.tagName))
+                        throw ts.Debug.fail();
+                    var intrinsicProp = getPropertyOfType(intrinsicElementsType, node.tagName.escapedText);
                     if (intrinsicProp) {
                         links.jsxFlags |= 1;
                         return links.resolvedSymbol = intrinsicProp;
@@ -35301,12 +32214,12 @@ var ts;
                         links.jsxFlags |= 2;
                         return links.resolvedSymbol = intrinsicElementsType.symbol;
                     }
-                    error(node, ts.Diagnostics.Property_0_does_not_exist_on_type_1, node.tagName.text, "JSX." + JsxNames.IntrinsicElements);
+                    error(node, ts.Diagnostics.Property_0_does_not_exist_on_type_1, ts.unescapeLeadingUnderscores(node.tagName.escapedText), "JSX." + JsxNames.IntrinsicElements);
                     return links.resolvedSymbol = unknownSymbol;
                 }
                 else {
                     if (noImplicitAny) {
-                        error(node, ts.Diagnostics.JSX_element_implicitly_has_type_any_because_no_interface_JSX_0_exists, JsxNames.IntrinsicElements);
+                        error(node, ts.Diagnostics.JSX_element_implicitly_has_type_any_because_no_interface_JSX_0_exists, ts.unescapeLeadingUnderscores(JsxNames.IntrinsicElements));
                     }
                     return links.resolvedSymbol = unknownSymbol;
                 }
@@ -35349,10 +32262,10 @@ var ts;
                     return "";
                 }
                 else if (propertiesOfJsxElementAttribPropInterface.length === 1) {
-                    return propertiesOfJsxElementAttribPropInterface[0].name;
+                    return propertiesOfJsxElementAttribPropInterface[0].escapedName;
                 }
                 else if (propertiesOfJsxElementAttribPropInterface.length > 1) {
-                    error(jsxElementAttribPropInterfaceSym.declarations[0], ts.Diagnostics.The_global_type_JSX_0_may_not_have_more_than_one_property, nameOfAttribPropContainer);
+                    error(jsxElementAttribPropInterfaceSym.declarations[0], ts.Diagnostics.The_global_type_JSX_0_may_not_have_more_than_one_property, ts.unescapeLeadingUnderscores(nameOfAttribPropContainer));
                 }
             }
             return undefined;
@@ -35426,8 +32339,8 @@ var ts;
                             for (var _a = 0, _b = openingLikeElement.attributes.properties; _a < _b.length; _a++) {
                                 var attribute = _b[_a];
                                 if (ts.isJsxAttribute(attribute) &&
-                                    isUnhyphenatedJsxName(attribute.name.text) &&
-                                    !getPropertyOfType(paramType, attribute.name.text)) {
+                                    isUnhyphenatedJsxName(attribute.name.escapedText) &&
+                                    !getPropertyOfType(paramType, attribute.name.escapedText)) {
                                     shouldBeCandidate = false;
                                     break;
                                 }
@@ -35451,9 +32364,7 @@ var ts;
             return undefined;
         }
         function resolveCustomJsxElementAttributesType(openingLikeElement, shouldIncludeAllStatelessAttributesType, elementType, elementClassType) {
-            if (!elementType) {
-                elementType = checkExpression(openingLikeElement.tagName);
-            }
+            if (elementType === void 0) { elementType = checkExpression(openingLikeElement.tagName); }
             if (elementType.flags & 65536) {
                 var types = elementType.types;
                 return getUnionType(types.map(function (type) {
@@ -35466,7 +32377,7 @@ var ts;
             else if (elementType.flags & 32) {
                 var intrinsicElementsType = getJsxType(JsxNames.IntrinsicElements);
                 if (intrinsicElementsType !== unknownType) {
-                    var stringLiteralTypeName = elementType.value;
+                    var stringLiteralTypeName = ts.escapeLeadingUnderscores(elementType.value);
                     var intrinsicProp = getPropertyOfType(intrinsicElementsType, stringLiteralTypeName);
                     if (intrinsicProp) {
                         return getTypeOfSymbol(intrinsicProp);
@@ -35475,7 +32386,7 @@ var ts;
                     if (indexSignatureType) {
                         return indexSignatureType;
                     }
-                    error(openingLikeElement, ts.Diagnostics.Property_0_does_not_exist_on_type_1, stringLiteralTypeName, "JSX." + JsxNames.IntrinsicElements);
+                    error(openingLikeElement, ts.Diagnostics.Property_0_does_not_exist_on_type_1, ts.unescapeLeadingUnderscores(stringLiteralTypeName), "JSX." + JsxNames.IntrinsicElements);
                 }
                 return anyType;
             }
@@ -35548,11 +32459,12 @@ var ts;
         }
         function getCustomJsxElementAttributesType(node, shouldIncludeAllStatelessAttributesType) {
             var links = getNodeLinks(node);
-            if (!links.resolvedJsxElementAttributesType) {
+            var linkLocation = shouldIncludeAllStatelessAttributesType ? "resolvedJsxElementAllAttributesType" : "resolvedJsxElementAttributesType";
+            if (!links[linkLocation]) {
                 var elemClassType = getJsxGlobalElementClassType();
-                return links.resolvedJsxElementAttributesType = resolveCustomJsxElementAttributesType(node, shouldIncludeAllStatelessAttributesType, undefined, elemClassType);
+                return links[linkLocation] = resolveCustomJsxElementAttributesType(node, shouldIncludeAllStatelessAttributesType, undefined, elemClassType);
             }
-            return links.resolvedJsxElementAttributesType;
+            return links[linkLocation];
         }
         function getAllAttributesTypeFromJsxOpeningLikeElement(node) {
             if (isJsxIntrinsicIdentifier(node.tagName)) {
@@ -35572,7 +32484,7 @@ var ts;
         }
         function getJsxAttributePropertySymbol(attrib) {
             var attributesType = getAttributesTypeFromJsxOpeningLikeElement(attrib.parent.parent);
-            var prop = getPropertyOfType(attributesType, attrib.name.text);
+            var prop = getPropertyOfType(attributesType, attrib.name.escapedText);
             return prop || unknownSymbol;
         }
         function getJsxGlobalElementClassType() {
@@ -35598,7 +32510,7 @@ var ts;
         }
         function getJsxIntrinsicTagNames() {
             var intrinsics = getJsxType(JsxNames.IntrinsicElements);
-            return intrinsics ? getPropertiesOfType(intrinsics) : emptyArray;
+            return intrinsics ? getPropertiesOfType(intrinsics) : ts.emptyArray;
         }
         function checkJsxPreconditions(errorNode) {
             if ((compilerOptions.jsx || 0) === 0) {
@@ -35618,7 +32530,7 @@ var ts;
             var reactSym = resolveName(node.tagName, reactNamespace, 107455, reactRefErr, reactNamespace);
             if (reactSym) {
                 reactSym.isReferenced = true;
-                if (reactSym.flags & 8388608 && !isConstEnumOrConstEnumOnlyModule(resolveAlias(reactSym))) {
+                if (reactSym.flags & 2097152 && !isConstEnumOrConstEnumOnlyModule(resolveAlias(reactSym))) {
                     markAliasSymbolAsReferenced(reactSym);
                 }
             }
@@ -35649,18 +32561,18 @@ var ts;
                 getIntrinsicAttributesTypeFromJsxOpeningLikeElement(openingLikeElement) :
                 getCustomJsxElementAttributesType(openingLikeElement, false);
             var sourceAttributesType = createJsxAttributesTypeFromAttributesProperty(openingLikeElement, function (attribute) {
-                return isUnhyphenatedJsxName(attribute.name) || !!(getPropertyOfType(targetAttributesType, attribute.name));
+                return isUnhyphenatedJsxName(attribute.escapedName) || !!(getPropertyOfType(targetAttributesType, attribute.escapedName));
             });
             if (targetAttributesType === emptyObjectType && (isTypeAny(sourceAttributesType) || sourceAttributesType.properties.length > 0)) {
-                error(openingLikeElement, ts.Diagnostics.JSX_element_class_does_not_support_attributes_because_it_does_not_have_a_0_property, getJsxElementPropertiesName());
+                error(openingLikeElement, ts.Diagnostics.JSX_element_class_does_not_support_attributes_because_it_does_not_have_a_0_property, ts.unescapeLeadingUnderscores(getJsxElementPropertiesName()));
             }
             else {
                 var isSourceAttributeTypeAssignableToTarget = checkTypeAssignableTo(sourceAttributesType, targetAttributesType, openingLikeElement.attributes.properties.length > 0 ? openingLikeElement.attributes : openingLikeElement);
                 if (isSourceAttributeTypeAssignableToTarget && !isTypeAny(sourceAttributesType) && !isTypeAny(targetAttributesType)) {
                     for (var _i = 0, _a = openingLikeElement.attributes.properties; _i < _a.length; _i++) {
                         var attribute = _a[_i];
-                        if (ts.isJsxAttribute(attribute) && !isKnownProperty(targetAttributesType, attribute.name.text, true)) {
-                            error(attribute, ts.Diagnostics.Property_0_does_not_exist_on_type_1, attribute.name.text, typeToString(targetAttributesType));
+                        if (ts.isJsxAttribute(attribute) && !isKnownProperty(targetAttributesType, attribute.name.escapedText, true)) {
+                            error(attribute, ts.Diagnostics.Property_0_does_not_exist_on_type_1, ts.unescapeLeadingUnderscores(attribute.name.escapedText), typeToString(targetAttributesType));
                             break;
                         }
                     }
@@ -35777,13 +32689,13 @@ var ts;
             if (apparentType === unknownType || (type.flags & 16384 && isTypeAny(apparentType))) {
                 return apparentType;
             }
-            var prop = getPropertyOfType(apparentType, right.text);
+            var prop = getPropertyOfType(apparentType, right.escapedText);
             if (!prop) {
                 var stringIndexType = getIndexTypeOfType(apparentType, 0);
                 if (stringIndexType) {
                     return stringIndexType;
                 }
-                if (right.text && !checkAndReportErrorForExtendingInterface(node)) {
+                if (right.escapedText && !checkAndReportErrorForExtendingInterface(node)) {
                     reportNonexistentProperty(right, type.flags & 16384 && type.isThisType ? apparentType : type);
                 }
                 return unknownType;
@@ -35791,13 +32703,13 @@ var ts;
             if (prop.valueDeclaration) {
                 if (isInPropertyInitializer(node) &&
                     !isBlockScopedNameDeclaredBeforeUse(prop.valueDeclaration, right)) {
-                    error(right, ts.Diagnostics.Block_scoped_variable_0_used_before_its_declaration, right.text);
+                    error(right, ts.Diagnostics.Block_scoped_variable_0_used_before_its_declaration, ts.unescapeLeadingUnderscores(right.escapedText));
                 }
                 if (prop.valueDeclaration.kind === 229 &&
                     node.parent && node.parent.kind !== 159 &&
                     !ts.isInAmbientContext(prop.valueDeclaration) &&
                     !isBlockScopedNameDeclaredBeforeUse(prop.valueDeclaration, right)) {
-                    error(right, ts.Diagnostics.Class_0_used_before_its_declaration, right.text);
+                    error(right, ts.Diagnostics.Class_0_used_before_its_declaration, ts.unescapeLeadingUnderscores(right.escapedText));
                 }
             }
             markPropertyAsReferenced(prop);
@@ -35807,7 +32719,7 @@ var ts;
             var assignmentKind = ts.getAssignmentTargetKind(node);
             if (assignmentKind) {
                 if (isReferenceToReadonlyEntity(node, prop) || isReferenceThroughNamespaceImport(node)) {
-                    error(right, ts.Diagnostics.Cannot_assign_to_0_because_it_is_a_constant_or_a_read_only_property, right.text);
+                    error(right, ts.Diagnostics.Cannot_assign_to_0_because_it_is_a_constant_or_a_read_only_property, ts.unescapeLeadingUnderscores(right.escapedText));
                     return unknownType;
                 }
             }
@@ -35824,7 +32736,7 @@ var ts;
             if (containingType.flags & 65536 && !(containingType.flags & 8190)) {
                 for (var _i = 0, _a = containingType.types; _i < _a.length; _i++) {
                     var subtype = _a[_i];
-                    if (!getPropertyOfType(subtype, propNode.text)) {
+                    if (!getPropertyOfType(subtype, propNode.escapedText)) {
                         errorInfo = ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.Property_0_does_not_exist_on_type_1, ts.declarationNameToString(propNode), typeToString(subtype));
                         break;
                     }
@@ -35840,8 +32752,8 @@ var ts;
             diagnostics.add(ts.createDiagnosticForNodeFromMessageChain(propNode, errorInfo));
         }
         function getSuggestionForNonexistentProperty(node, containingType) {
-            var suggestion = getSpellingSuggestionForName(node.text, getPropertiesOfObjectType(containingType), 107455);
-            return suggestion && suggestion.name;
+            var suggestion = getSpellingSuggestionForName(ts.unescapeLeadingUnderscores(node.escapedText), getPropertiesOfType(containingType), 107455);
+            return suggestion && suggestion.escapedName;
         }
         function getSuggestionForNonexistentSymbol(location, name, meaning) {
             var result = resolveNameHelper(location, name, meaning, undefined, name, function (symbols, name, meaning) {
@@ -35849,10 +32761,10 @@ var ts;
                 if (symbol) {
                     return symbol;
                 }
-                return getSpellingSuggestionForName(name, ts.arrayFrom(symbols.values()), meaning);
+                return getSpellingSuggestionForName(ts.unescapeLeadingUnderscores(name), ts.arrayFrom(symbols.values()), meaning);
             });
             if (result) {
-                return result.name;
+                return result.escapedName;
             }
         }
         function getSpellingSuggestionForName(name, symbols, meaning) {
@@ -35867,10 +32779,11 @@ var ts;
             name = name.toLowerCase();
             for (var _i = 0, symbols_3 = symbols; _i < symbols_3.length; _i++) {
                 var candidate = symbols_3[_i];
+                var candidateName = ts.unescapeLeadingUnderscores(candidate.escapedName);
                 if (candidate.flags & meaning &&
-                    candidate.name &&
-                    Math.abs(candidate.name.length - name.length) < maximumLengthDifference) {
-                    var candidateName = candidate.name.toLowerCase();
+                    candidateName &&
+                    Math.abs(candidateName.length - name.length) < maximumLengthDifference) {
+                    candidateName = candidateName.toLowerCase();
                     if (candidateName === name) {
                         return candidate;
                     }
@@ -35907,7 +32820,7 @@ var ts;
             if (prop &&
                 noUnusedIdentifiers &&
                 (prop.flags & 106500) &&
-                prop.valueDeclaration && (ts.getModifierFlags(prop.valueDeclaration) & 8)) {
+                prop.valueDeclaration && ts.hasModifier(prop.valueDeclaration, 8)) {
                 if (ts.getCheckFlags(prop) & 1) {
                     getSymbolLinks(prop).target.isReferenced = true;
                 }
@@ -36178,8 +33091,8 @@ var ts;
             }
             return undefined;
         }
-        function instantiateSignatureInContextOf(signature, contextualSignature, contextualMapper) {
-            var context = createInferenceContext(signature, 1);
+        function instantiateSignatureInContextOf(signature, contextualSignature, contextualMapper, compareTypes) {
+            var context = createInferenceContext(signature, 1, compareTypes);
             forEachMatchingParameterType(contextualSignature, signature, function (source, target) {
                 inferTypes(context.inferences, instantiateType(source, contextualMapper || identityMapper), target);
             });
@@ -36189,10 +33102,10 @@ var ts;
             return getSignatureInstantiation(signature, getInferredTypes(context));
         }
         function inferTypeArguments(node, signature, args, excludeArgument, context) {
-            var inferences = context.inferences;
-            for (var i = 0; i < inferences.length; i++) {
-                if (!inferences[i].isFixed) {
-                    inferences[i].inferredType = undefined;
+            for (var _i = 0, _a = context.inferences; _i < _a.length; _i++) {
+                var inference = _a[_i];
+                if (!inference.isFixed) {
+                    inference.inferredType = undefined;
                 }
             }
             if (ts.isExpression(node)) {
@@ -36272,7 +33185,7 @@ var ts;
             var argProperties = getPropertiesOfType(attributesType);
             for (var _i = 0, argProperties_1 = argProperties; _i < argProperties_1.length; _i++) {
                 var arg = argProperties_1[_i];
-                if (!getPropertyOfType(paramType, arg.name) && isUnhyphenatedJsxName(arg.name)) {
+                if (!getPropertyOfType(paramType, arg.escapedName) && isUnhyphenatedJsxName(arg.escapedName)) {
                     return false;
                 }
             }
@@ -36298,12 +33211,11 @@ var ts;
                 var arg = getEffectiveArgument(node, args, i);
                 if (arg === undefined || arg.kind !== 200) {
                     var paramType = getTypeAtPosition(signature, i);
-                    var argType = getEffectiveArgumentType(node, i);
-                    if (argType === undefined) {
-                        argType = checkExpressionWithContextualType(arg, paramType, excludeArgument && excludeArgument[i] ? identityMapper : undefined);
-                    }
+                    var argType = getEffectiveArgumentType(node, i) ||
+                        checkExpressionWithContextualType(arg, paramType, excludeArgument && excludeArgument[i] ? identityMapper : undefined);
+                    var checkArgType = excludeArgument ? getRegularTypeOfObjectLiteral(argType) : argType;
                     var errorNode = reportErrors ? getEffectiveArgumentErrorNode(node, i, arg) : undefined;
-                    if (!checkTypeRelatedTo(argType, paramType, relation, errorNode, headMessage)) {
+                    if (!checkTypeRelatedTo(checkArgType, paramType, relation, errorNode, headMessage)) {
                         return false;
                     }
                 }
@@ -36322,26 +33234,25 @@ var ts;
             }
         }
         function getEffectiveCallArguments(node) {
-            var args;
             if (node.kind === 183) {
                 var template = node.template;
-                args = [undefined];
+                var args_4 = [undefined];
                 if (template.kind === 196) {
                     ts.forEach(template.templateSpans, function (span) {
-                        args.push(span.expression);
+                        args_4.push(span.expression);
                     });
                 }
+                return args_4;
             }
             else if (node.kind === 147) {
                 return undefined;
             }
             else if (ts.isJsxOpeningLikeElement(node)) {
-                args = node.attributes.properties.length > 0 ? [node.attributes] : emptyArray;
+                return node.attributes.properties.length > 0 ? [node.attributes] : ts.emptyArray;
             }
             else {
-                args = node.arguments || emptyArray;
+                return node.arguments || ts.emptyArray;
             }
-            return args;
         }
         function getEffectiveArgumentCount(node, args, signature) {
             if (node.kind === 147) {
@@ -36405,12 +33316,13 @@ var ts;
                 var element = node;
                 switch (element.name.kind) {
                     case 71:
+                        return getLiteralType(ts.unescapeLeadingUnderscores(element.name.escapedText));
                     case 8:
                     case 9:
                         return getLiteralType(element.name.text);
                     case 144:
                         var nameType = checkComputedPropertyName(element.name);
-                        if (isTypeOfKind(nameType, 512)) {
+                        if (isTypeAssignableToKind(nameType, 512)) {
                             return nameType;
                         }
                         else {
@@ -36503,14 +33415,17 @@ var ts;
                 return resolveErrorCall(node);
             }
             var args = getEffectiveCallArguments(node);
+            var isSingleNonGenericCandidate = candidates.length === 1 && !candidates[0].typeParameters;
             var excludeArgument;
-            if (!isDecorator) {
+            var excludeCount = 0;
+            if (!isDecorator && !isSingleNonGenericCandidate) {
                 for (var i = isTaggedTemplate ? 1 : 0; i < args.length; i++) {
                     if (isContextSensitive(args[i])) {
                         if (!excludeArgument) {
                             excludeArgument = new Array(args.length);
                         }
                         excludeArgument[i] = true;
+                        excludeCount++;
                     }
                 }
             }
@@ -36572,23 +33487,42 @@ var ts;
                 diagnostics.add(ts.createDiagnosticForNode(node, fallbackError));
             }
             if (!produceDiagnostics) {
-                for (var _b = 0, candidates_1 = candidates; _b < candidates_1.length; _b++) {
-                    var candidate = candidates_1[_b];
-                    if (hasCorrectArity(node, args, candidate)) {
-                        if (candidate.typeParameters && typeArguments) {
-                            candidate = getSignatureInstantiation(candidate, ts.map(typeArguments, getTypeFromTypeNode));
-                        }
-                        return candidate;
+                ts.Debug.assert(candidates.length > 0);
+                var bestIndex = getLongestCandidateIndex(candidates, apparentArgumentCount === undefined ? args.length : apparentArgumentCount);
+                var candidate = candidates[bestIndex];
+                var typeParameters = candidate.typeParameters;
+                if (typeParameters && callLikeExpressionMayHaveTypeArguments(node) && node.typeArguments) {
+                    var typeArguments_2 = node.typeArguments.map(getTypeOfNode);
+                    while (typeArguments_2.length > typeParameters.length) {
+                        typeArguments_2.pop();
                     }
+                    while (typeArguments_2.length < typeParameters.length) {
+                        typeArguments_2.push(getDefaultTypeArgumentType(ts.isInJavaScriptFile(node)));
+                    }
+                    var instantiated = createSignatureInstantiation(candidate, typeArguments_2);
+                    candidates[bestIndex] = instantiated;
+                    return instantiated;
                 }
+                return candidate;
             }
             return resolveErrorCall(node);
             function chooseOverload(candidates, relation, signatureHelpTrailingComma) {
                 if (signatureHelpTrailingComma === void 0) { signatureHelpTrailingComma = false; }
                 candidateForArgumentError = undefined;
                 candidateForTypeArgumentError = undefined;
-                for (var _i = 0, candidates_2 = candidates; _i < candidates_2.length; _i++) {
-                    var originalCandidate = candidates_2[_i];
+                if (isSingleNonGenericCandidate) {
+                    var candidate = candidates[0];
+                    if (!hasCorrectArity(node, args, candidate, signatureHelpTrailingComma)) {
+                        return undefined;
+                    }
+                    if (!checkApplicableSignature(node, args, candidate, relation, excludeArgument, false)) {
+                        candidateForArgumentError = candidate;
+                        return undefined;
+                    }
+                    return candidate;
+                }
+                for (var candidateIndex = 0; candidateIndex < candidates.length; candidateIndex++) {
+                    var originalCandidate = candidates[candidateIndex];
                     if (!hasCorrectArity(node, args, originalCandidate, signatureHelpTrailingComma)) {
                         continue;
                     }
@@ -36616,16 +33550,37 @@ var ts;
                             candidateForArgumentError = candidate;
                             break;
                         }
-                        var index = excludeArgument ? ts.indexOf(excludeArgument, true) : -1;
-                        if (index < 0) {
+                        if (excludeCount === 0) {
+                            candidates[candidateIndex] = candidate;
                             return candidate;
                         }
-                        excludeArgument[index] = false;
+                        excludeCount--;
+                        if (excludeCount > 0) {
+                            excludeArgument[ts.indexOf(excludeArgument, true)] = false;
+                        }
+                        else {
+                            excludeArgument = undefined;
+                        }
                     }
                 }
                 return undefined;
             }
         }
+        function getLongestCandidateIndex(candidates, argsCount) {
+            var maxParamsIndex = -1;
+            var maxParams = -1;
+            for (var i = 0; i < candidates.length; i++) {
+                var candidate = candidates[i];
+                if (candidate.hasRestParameter || candidate.parameters.length >= argsCount) {
+                    return i;
+                }
+                if (candidate.parameters.length > maxParams) {
+                    maxParams = candidate.parameters.length;
+                    maxParamsIndex = i;
+                }
+            }
+            return maxParamsIndex;
+        }
         function resolveCallExpression(node, candidatesOutArray) {
             if (node.expression.kind === 97) {
                 var superType = checkSuperExpression(node.expression);
@@ -36696,7 +33651,7 @@ var ts;
                 return resolveErrorCall(node);
             }
             var valueDecl = expressionType.symbol && getClassLikeDeclarationOfSymbol(expressionType.symbol);
-            if (valueDecl && ts.getModifierFlags(valueDecl) & 128) {
+            if (valueDecl && ts.hasModifier(valueDecl, 128)) {
                 error(node, ts.Diagnostics.Cannot_create_an_instance_of_the_abstract_class_0, ts.declarationNameToString(ts.getNameOfDeclaration(valueDecl)));
                 return resolveErrorCall(node);
             }
@@ -36732,8 +33687,8 @@ var ts;
                 return true;
             }
             var declaration = signature.declaration;
-            var modifiers = ts.getModifierFlags(declaration);
-            if (!(modifiers & 24)) {
+            var modifiers = ts.getSelectedModifierFlags(declaration, 24);
+            if (!modifiers) {
                 return true;
             }
             var declaringClassDeclaration = getClassLikeDeclarationOfSymbol(declaration.parent.symbol);
@@ -36832,9 +33787,7 @@ var ts;
             }
             var callSignatures = elementType && getSignaturesOfType(elementType, 0);
             if (callSignatures && callSignatures.length > 0) {
-                var callSignature = void 0;
-                callSignature = resolveCall(openingLikeElement, callSignatures, candidatesOutArray);
-                return callSignature;
+                return resolveCall(openingLikeElement, callSignatures, candidatesOutArray);
             }
             return undefined;
         }
@@ -36865,11 +33818,8 @@ var ts;
             links.resolvedSignature = flowLoopStart === flowLoopCount ? result : cached;
             return result;
         }
-        function getResolvedOrAnySignature(node) {
-            return getNodeLinks(node).resolvedSignature === resolvingSignature ? resolvingSignature : getResolvedSignature(node);
-        }
         function isJavaScriptConstructor(node) {
-            if (ts.isInJavaScriptFile(node)) {
+            if (node && ts.isInJavaScriptFile(node)) {
                 if (ts.getJSDocClassTag(node))
                     return true;
                 var symbol = ts.isFunctionDeclaration(node) || ts.isFunctionExpression(node) ? getSymbolOfNode(node) :
@@ -36879,10 +33829,24 @@ var ts;
             }
             return false;
         }
+        function getJavaScriptClassType(symbol) {
+            if (ts.isDeclarationOfFunctionOrClassExpression(symbol)) {
+                symbol = getSymbolOfNode(symbol.valueDeclaration.initializer);
+            }
+            if (isJavaScriptConstructor(symbol.valueDeclaration)) {
+                return getInferredClassType(symbol);
+            }
+            if (symbol.flags & 3) {
+                var valueType = getTypeOfSymbol(symbol);
+                if (valueType.symbol && !isInferredClassType(valueType) && isJavaScriptConstructor(valueType.symbol.valueDeclaration)) {
+                    return getInferredClassType(valueType.symbol);
+                }
+            }
+        }
         function getInferredClassType(symbol) {
             var links = getSymbolLinks(symbol);
             if (!links.inferredClassType) {
-                links.inferredClassType = createAnonymousType(symbol, symbol.members || emptySymbols, emptyArray, emptyArray, undefined, undefined);
+                links.inferredClassType = createAnonymousType(symbol, symbol.members || emptySymbols, ts.emptyArray, ts.emptyArray, undefined, undefined);
             }
             return links.inferredClassType;
         }
@@ -36907,13 +33871,11 @@ var ts;
                     var funcSymbol = node.expression.kind === 71 ?
                         getResolvedSymbol(node.expression) :
                         checkExpression(node.expression).symbol;
-                    if (funcSymbol && ts.isDeclarationOfFunctionOrClassExpression(funcSymbol)) {
-                        funcSymbol = getSymbolOfNode(funcSymbol.valueDeclaration.initializer);
-                    }
-                    if (funcSymbol && funcSymbol.flags & 16 && (funcSymbol.members || ts.getJSDocClassTag(funcSymbol.valueDeclaration))) {
-                        return getInferredClassType(funcSymbol);
+                    var type = funcSymbol && getJavaScriptClassType(funcSymbol);
+                    if (type) {
+                        return type;
                     }
-                    else if (noImplicitAny) {
+                    if (noImplicitAny) {
                         error(node, ts.Diagnostics.new_expression_whose_target_lacks_a_construct_signature_implicitly_has_an_any_type);
                     }
                     return anyType;
@@ -36941,20 +33903,44 @@ var ts;
             if (moduleSymbol) {
                 var esModuleSymbol = resolveESModuleSymbol(moduleSymbol, specifier, true);
                 if (esModuleSymbol) {
-                    return createPromiseReturnType(node, getTypeOfSymbol(esModuleSymbol));
+                    return createPromiseReturnType(node, getTypeWithSyntheticDefaultImportType(getTypeOfSymbol(esModuleSymbol), esModuleSymbol));
                 }
             }
             return createPromiseReturnType(node, anyType);
         }
+        function getTypeWithSyntheticDefaultImportType(type, symbol) {
+            if (allowSyntheticDefaultImports && type && type !== unknownType) {
+                var synthType = type;
+                if (!synthType.syntheticType) {
+                    if (!getPropertyOfType(type, "default")) {
+                        var memberTable = ts.createSymbolTable();
+                        var newSymbol = createSymbol(2097152, "default");
+                        newSymbol.target = resolveSymbol(symbol);
+                        memberTable.set("default", newSymbol);
+                        var anonymousSymbol = createSymbol(2048, "__type");
+                        var defaultContainingObject = createAnonymousType(anonymousSymbol, memberTable, ts.emptyArray, ts.emptyArray, undefined, undefined);
+                        anonymousSymbol.type = defaultContainingObject;
+                        synthType.syntheticType = getIntersectionType([type, defaultContainingObject]);
+                    }
+                    else {
+                        synthType.syntheticType = type;
+                    }
+                }
+                return synthType.syntheticType;
+            }
+            return type;
+        }
         function isCommonJsRequire(node) {
             if (!ts.isRequireCall(node, true)) {
                 return false;
             }
-            var resolvedRequire = resolveName(node.expression, node.expression.text, 107455, undefined, undefined);
+            if (!ts.isIdentifier(node.expression))
+                throw ts.Debug.fail();
+            var resolvedRequire = resolveName(node.expression, node.expression.escapedText, 107455, undefined, undefined);
             if (!resolvedRequire) {
                 return true;
             }
-            if (resolvedRequire.flags & 8388608) {
+            if (resolvedRequire.flags & 2097152) {
                 return false;
             }
             var targetDeclarationKind = resolvedRequire.flags & 16
@@ -36972,13 +33958,16 @@ var ts;
             return getReturnTypeOfSignature(getResolvedSignature(node));
         }
         function checkAssertion(node) {
-            var exprType = getRegularTypeOfObjectLiteral(getBaseTypeOfLiteralType(checkExpression(node.expression)));
-            checkSourceElement(node.type);
-            var targetType = getTypeFromTypeNode(node.type);
+            return checkAssertionWorker(node, node.type, node.expression);
+        }
+        function checkAssertionWorker(errNode, type, expression, checkMode) {
+            var exprType = getRegularTypeOfObjectLiteral(getBaseTypeOfLiteralType(checkExpression(expression, checkMode)));
+            checkSourceElement(type);
+            var targetType = getTypeFromTypeNode(type);
             if (produceDiagnostics && targetType !== unknownType) {
                 var widenedType = getWidenedType(exprType);
                 if (!isTypeComparableTo(targetType, widenedType)) {
-                    checkTypeComparableTo(exprType, targetType, node, ts.Diagnostics.Type_0_cannot_be_converted_to_type_1);
+                    checkTypeComparableTo(exprType, targetType, errNode, ts.Diagnostics.Type_0_cannot_be_converted_to_type_1);
                 }
             }
             return targetType;
@@ -37059,15 +34048,15 @@ var ts;
                 }
             }
         }
-        function assignBindingElementTypes(node) {
-            if (ts.isBindingPattern(node.name)) {
-                for (var _i = 0, _a = node.name.elements; _i < _a.length; _i++) {
-                    var element = _a[_i];
-                    if (!ts.isOmittedExpression(element)) {
-                        if (element.name.kind === 71) {
-                            getSymbolLinks(getSymbolOfNode(element)).type = getTypeForBindingElement(element);
-                        }
-                        assignBindingElementTypes(element);
+        function assignBindingElementTypes(pattern) {
+            for (var _i = 0, _a = pattern.elements; _i < _a.length; _i++) {
+                var element = _a[_i];
+                if (!ts.isOmittedExpression(element)) {
+                    if (element.name.kind === 71) {
+                        getSymbolLinks(getSymbolOfNode(element)).type = getTypeForBindingElement(element);
+                    }
+                    else {
+                        assignBindingElementTypes(element.name);
                     }
                 }
             }
@@ -37076,12 +34065,13 @@ var ts;
             var links = getSymbolLinks(parameter);
             if (!links.type) {
                 links.type = contextualType;
-                var name = ts.getNameOfDeclaration(parameter.valueDeclaration);
-                if (links.type === emptyObjectType &&
-                    (name.kind === 174 || name.kind === 175)) {
-                    links.type = getTypeFromBindingPattern(name);
+                var decl = parameter.valueDeclaration;
+                if (decl.name.kind !== 71) {
+                    if (links.type === emptyObjectType) {
+                        links.type = getTypeFromBindingPattern(decl.name);
+                    }
+                    assignBindingElementTypes(decl.name);
                 }
-                assignBindingElementTypes(parameter.valueDeclaration);
             }
         }
         function createPromiseType(promisedType) {
@@ -37282,14 +34272,14 @@ var ts;
         }
         function checkFunctionExpressionOrObjectLiteralMethod(node, checkMode) {
             ts.Debug.assert(node.kind !== 151 || ts.isObjectLiteralMethod(node));
-            var hasGrammarError = checkGrammarFunctionLikeDeclaration(node);
-            if (!hasGrammarError && node.kind === 186) {
-                checkGrammarForGenerator(node);
-            }
             if (checkMode === 1 && isContextSensitive(node)) {
                 checkNodeDeferred(node);
                 return anyFunctionType;
             }
+            var hasGrammarError = checkGrammarFunctionLikeDeclaration(node);
+            if (!hasGrammarError && node.kind === 186) {
+                checkGrammarForGenerator(node);
+            }
             var links = getNodeLinks(node);
             var type = getTypeOfSymbol(node.symbol);
             if (!(links.flags & 1024)) {
@@ -37359,7 +34349,7 @@ var ts;
             }
         }
         function checkArithmeticOperandType(operand, type, diagnostic) {
-            if (!isTypeAnyOrAllConstituentTypesHaveKind(type, 84)) {
+            if (!isTypeAssignableToKind(type, 84)) {
                 error(operand, diagnostic);
                 return false;
             }
@@ -37392,7 +34382,7 @@ var ts;
                 var node = ts.skipParentheses(expr.expression);
                 if (node.kind === 71) {
                     var symbol = getNodeLinks(node).resolvedSymbol;
-                    if (symbol.flags & 8388608) {
+                    if (symbol.flags & 2097152) {
                         var declaration = getDeclarationOfAliasSymbol(symbol);
                         return declaration && declaration.kind === 240;
                     }
@@ -37447,8 +34437,13 @@ var ts;
             if (operandType === silentNeverType) {
                 return silentNeverType;
             }
-            if (node.operator === 38 && node.operand.kind === 8) {
-                return getFreshTypeOfLiteralType(getLiteralType(-node.operand.text));
+            if (node.operand.kind === 8) {
+                if (node.operator === 38) {
+                    return getFreshTypeOfLiteralType(getLiteralType(-node.operand.text));
+                }
+                else if (node.operator === 37) {
+                    return getFreshTypeOfLiteralType(getLiteralType(+node.operand.text));
+                }
             }
             switch (node.operator) {
                 case 37:
@@ -37500,30 +34495,22 @@ var ts;
             }
             return false;
         }
-        function isTypeOfKind(type, kind) {
-            if (type.flags & kind) {
+        function isTypeAssignableToKind(source, kind, strict) {
+            if (source.flags & kind) {
                 return true;
             }
-            if (type.flags & 65536) {
-                var types = type.types;
-                for (var _i = 0, types_18 = types; _i < types_18.length; _i++) {
-                    var t = types_18[_i];
-                    if (!isTypeOfKind(t, kind)) {
-                        return false;
-                    }
-                }
-                return true;
-            }
-            if (type.flags & 131072) {
-                var types = type.types;
-                for (var _a = 0, types_19 = types; _a < types_19.length; _a++) {
-                    var t = types_19[_a];
-                    if (isTypeOfKind(t, kind)) {
-                        return true;
-                    }
-                }
+            if (strict && source.flags & (1 | 1024 | 2048 | 4096)) {
+                return false;
             }
-            return false;
+            return (kind & 84 && isTypeAssignableTo(source, numberType)) ||
+                (kind & 262178 && isTypeAssignableTo(source, stringType)) ||
+                (kind & 136 && isTypeAssignableTo(source, booleanType)) ||
+                (kind & 1024 && isTypeAssignableTo(source, voidType)) ||
+                (kind & 8192 && isTypeAssignableTo(source, neverType)) ||
+                (kind & 4096 && isTypeAssignableTo(source, nullType)) ||
+                (kind & 2048 && isTypeAssignableTo(source, undefinedType)) ||
+                (kind & 512 && isTypeAssignableTo(source, esSymbolType)) ||
+                (kind & 16777216 && isTypeAssignableTo(source, nonPrimitiveType));
         }
         function isConstEnumObjectType(type) {
             return getObjectFlags(type) & 16 && type.symbol && isConstEnumSymbol(type.symbol);
@@ -37535,7 +34522,7 @@ var ts;
             if (leftType === silentNeverType || rightType === silentNeverType) {
                 return silentNeverType;
             }
-            if (isTypeOfKind(leftType, 8190)) {
+            if (!isTypeAny(leftType) && isTypeAssignableToKind(leftType, 8190)) {
                 error(left, ts.Diagnostics.The_left_hand_side_of_an_instanceof_expression_must_be_of_type_any_an_object_type_or_a_type_parameter);
             }
             if (!(isTypeAny(rightType) ||
@@ -37552,10 +34539,10 @@ var ts;
             }
             leftType = checkNonNullType(leftType, left);
             rightType = checkNonNullType(rightType, right);
-            if (!(isTypeComparableTo(leftType, stringType) || isTypeOfKind(leftType, 84 | 512))) {
+            if (!(isTypeComparableTo(leftType, stringType) || isTypeAssignableToKind(leftType, 84 | 512))) {
                 error(left, ts.Diagnostics.The_left_hand_side_of_an_in_expression_must_be_of_type_any_string_number_or_symbol);
             }
-            if (!isTypeAnyOrAllConstituentTypesHaveKind(rightType, 32768 | 540672 | 16777216)) {
+            if (!isTypeAssignableToKind(rightType, 16777216 | 540672)) {
                 error(right, ts.Diagnostics.The_right_hand_side_of_an_in_expression_must_be_of_type_any_an_object_type_or_a_type_parameter);
             }
             return booleanType;
@@ -37819,24 +34806,22 @@ var ts;
                     if (leftType === silentNeverType || rightType === silentNeverType) {
                         return silentNeverType;
                     }
-                    if (!isTypeOfKind(leftType, 1 | 262178) && !isTypeOfKind(rightType, 1 | 262178)) {
+                    if (!isTypeAssignableToKind(leftType, 262178) && !isTypeAssignableToKind(rightType, 262178)) {
                         leftType = checkNonNullType(leftType, left);
                         rightType = checkNonNullType(rightType, right);
                     }
                     var resultType = void 0;
-                    if (isTypeOfKind(leftType, 84) && isTypeOfKind(rightType, 84)) {
+                    if (isTypeAssignableToKind(leftType, 84, true) && isTypeAssignableToKind(rightType, 84, true)) {
                         resultType = numberType;
                     }
-                    else {
-                        if (isTypeOfKind(leftType, 262178) || isTypeOfKind(rightType, 262178)) {
-                            resultType = stringType;
-                        }
-                        else if (isTypeAny(leftType) || isTypeAny(rightType)) {
-                            resultType = leftType === unknownType || rightType === unknownType ? unknownType : anyType;
-                        }
-                        if (resultType && !checkForDisallowedESSymbolOperand(operator)) {
-                            return resultType;
-                        }
+                    else if (isTypeAssignableToKind(leftType, 262178, true) || isTypeAssignableToKind(rightType, 262178, true)) {
+                        resultType = stringType;
+                    }
+                    else if (isTypeAny(leftType) || isTypeAny(rightType)) {
+                        resultType = leftType === unknownType || rightType === unknownType ? unknownType : anyType;
+                    }
+                    if (resultType && !checkForDisallowedESSymbolOperand(operator)) {
+                        return resultType;
                     }
                     if (!resultType) {
                         reportOperatorError();
@@ -37894,7 +34879,7 @@ var ts;
                     return rightType;
             }
             function isEvalNode(node) {
-                return node.kind === 71 && node.text === "eval";
+                return node.kind === 71 && node.escapedText === "eval";
             }
             function checkForDisallowedESSymbolOperand(operator) {
                 var offendingSymbolOperand = maybeTypeOfKind(leftType, 512) ? left :
@@ -37970,7 +34955,7 @@ var ts;
                     }
                 }
                 if (functionFlags & 1) {
-                    var expressionType = checkExpressionCached(node.expression, undefined);
+                    var expressionType = checkExpressionCached(node.expression);
                     var expressionElementType = void 0;
                     var nodeIsYieldStar = !!node.asteriskToken;
                     if (nodeIsYieldStar) {
@@ -38001,13 +34986,12 @@ var ts;
             return getBestChoiceType(type1, type2);
         }
         function checkLiteralExpression(node) {
-            if (node.kind === 8) {
-                checkGrammarNumericLiteral(node);
-            }
             switch (node.kind) {
+                case 13:
                 case 9:
                     return getFreshTypeOfLiteralType(getLiteralType(node.text));
                 case 8:
+                    checkGrammarNumericLiteral(node);
                     return getFreshTypeOfLiteralType(getLiteralType(+node.text));
                 case 101:
                     return trueType;
@@ -38135,6 +35119,16 @@ var ts;
             }
             return type;
         }
+        function checkParenthesizedExpression(node, checkMode) {
+            if (ts.isInJavaScriptFile(node) && node.jsDoc) {
+                var typecasts = ts.flatMap(node.jsDoc, function (doc) { return ts.filter(doc.tags, function (tag) { return tag.kind === 281 && !!tag.typeExpression && !!tag.typeExpression.type; }); });
+                if (typecasts && typecasts.length) {
+                    var cast_1 = typecasts[0];
+                    return checkAssertionWorker(cast_1, cast_1.typeExpression.type, node.expression, checkMode);
+                }
+            }
+            return checkExpression(node.expression, checkMode);
+        }
         function checkExpressionWorker(node, checkMode) {
             switch (node.kind) {
                 case 71:
@@ -38145,6 +35139,7 @@ var ts;
                     return checkSuperExpression(node);
                 case 95:
                     return nullWideningType;
+                case 13:
                 case 9:
                 case 8:
                 case 101:
@@ -38152,8 +35147,6 @@ var ts;
                     return checkLiteralExpression(node);
                 case 196:
                     return checkTemplateExpression(node);
-                case 13:
-                    return stringType;
                 case 12:
                     return globalRegExpType;
                 case 177:
@@ -38173,7 +35166,7 @@ var ts;
                 case 183:
                     return checkTaggedTemplateExpression(node);
                 case 185:
-                    return checkExpression(node.expression, checkMode);
+                    return checkParenthesizedExpression(node, checkMode);
                 case 199:
                     return checkClassExpression(node);
                 case 186:
@@ -38244,7 +35237,7 @@ var ts;
             checkGrammarDecorators(node) || checkGrammarModifiers(node);
             checkVariableLikeDeclaration(node);
             var func = ts.getContainingFunction(node);
-            if (ts.getModifierFlags(node) & 92) {
+            if (ts.hasModifier(node, 92)) {
                 func = ts.getContainingFunction(node);
                 if (!(func.kind === 152 && ts.nodeIsPresent(func.body))) {
                     error(node, ts.Diagnostics.A_parameter_property_is_only_allowed_in_a_constructor_implementation);
@@ -38253,9 +35246,9 @@ var ts;
             if (node.questionToken && ts.isBindingPattern(node.name) && func.body) {
                 error(node, ts.Diagnostics.A_binding_pattern_parameter_cannot_be_optional_in_an_implementation_signature);
             }
-            if (node.name.text === "this") {
+            if (node.name && ts.isIdentifier(node.name) && (node.name.escapedText === "this" || node.name.escapedText === "new")) {
                 if (ts.indexOf(func.parameters, node) !== 0) {
-                    error(node, ts.Diagnostics.A_this_parameter_must_be_the_first_parameter);
+                    error(node, ts.Diagnostics.A_0_parameter_must_be_the_first_parameter, node.name.escapedText);
                 }
                 if (func.kind === 152 || func.kind === 156 || func.kind === 161) {
                     error(node, ts.Diagnostics.A_constructor_cannot_have_a_this_parameter);
@@ -38269,8 +35262,7 @@ var ts;
             if (parameterList) {
                 for (var i = 0; i < parameterList.length; i++) {
                     var param = parameterList[i];
-                    if (param.name.kind === 71 &&
-                        param.name.text === parameter.text) {
+                    if (param.name.kind === 71 && param.name.escapedText === parameter.escapedText) {
                         return i;
                     }
                 }
@@ -38287,6 +35279,7 @@ var ts;
             if (!typePredicate) {
                 return;
             }
+            checkSourceElement(node.type);
             var parameterName = node.parameterName;
             if (ts.isThisTypePredicate(typePredicate)) {
                 getTypeFromThisTypeNode(parameterName);
@@ -38339,13 +35332,11 @@ var ts;
                     continue;
                 }
                 var name = element.name;
-                if (name.kind === 71 &&
-                    name.text === predicateVariableName) {
+                if (name.kind === 71 && name.escapedText === predicateVariableName) {
                     error(predicateVariableNode, ts.Diagnostics.A_type_predicate_cannot_reference_element_0_in_a_binding_pattern, predicateVariableName);
                     return true;
                 }
-                else if (name.kind === 175 ||
-                    name.kind === 174) {
+                else if (name.kind === 175 || name.kind === 174) {
                     if (checkIfTypePredicateVariableIsDeclaredInBindingPattern(name, predicateVariableNode, predicateVariableName)) {
                         return true;
                     }
@@ -38423,20 +35414,20 @@ var ts;
                 Declaration[Declaration["Method"] = 4] = "Method";
                 Declaration[Declaration["Property"] = 3] = "Property";
             })(Declaration || (Declaration = {}));
-            var instanceNames = ts.createMap();
-            var staticNames = ts.createMap();
+            var instanceNames = ts.createUnderscoreEscapedMap();
+            var staticNames = ts.createUnderscoreEscapedMap();
             for (var _i = 0, _a = node.members; _i < _a.length; _i++) {
                 var member = _a[_i];
                 if (member.kind === 152) {
                     for (var _b = 0, _c = member.parameters; _b < _c.length; _b++) {
                         var param = _c[_b];
-                        if (ts.isParameterPropertyDeclaration(param)) {
-                            addName(instanceNames, param.name, param.name.text, 3);
+                        if (ts.isParameterPropertyDeclaration(param) && !ts.isBindingPattern(param.name)) {
+                            addName(instanceNames, param.name, param.name.escapedText, 3);
                         }
                     }
                 }
                 else {
-                    var isStatic = ts.getModifierFlags(member) & 32;
+                    var isStatic = ts.hasModifier(member, 32);
                     var names = isStatic ? staticNames : instanceNames;
                     var memberName = member.name && ts.getPropertyNameForPropertyNameNode(member.name);
                     if (memberName) {
@@ -38481,7 +35472,7 @@ var ts;
             for (var _i = 0, _a = node.members; _i < _a.length; _i++) {
                 var member = _a[_i];
                 var memberNameNode = member.name;
-                var isStatic = ts.getModifierFlags(member) & 32;
+                var isStatic = ts.hasModifier(member, 32);
                 if (isStatic && memberNameNode) {
                     var memberName = ts.getPropertyNameForPropertyNameNode(memberNameNode);
                     switch (memberName) {
@@ -38507,9 +35498,11 @@ var ts;
                     switch (member.name.kind) {
                         case 9:
                         case 8:
-                        case 71:
                             memberName = member.name.text;
                             break;
+                        case 71:
+                            memberName = ts.unescapeLeadingUnderscores(member.name.escapedText);
+                            break;
                         default:
                             continue;
                     }
@@ -38567,7 +35560,7 @@ var ts;
         function checkMethodDeclaration(node) {
             checkGrammarMethod(node) || checkGrammarComputedPropertyName(node.name);
             checkFunctionOrMethodDeclaration(node);
-            if (ts.getModifierFlags(node) & 128 && node.body) {
+            if (ts.hasModifier(node, 128) && node.body) {
                 error(node, ts.Diagnostics.Method_0_cannot_have_an_implementation_because_it_is_marked_abstract, ts.declarationNameToString(node.name));
             }
         }
@@ -38603,17 +35596,9 @@ var ts;
                 }
                 return ts.forEachChild(n, containsSuperCall);
             }
-            function markThisReferencesAsErrors(n) {
-                if (n.kind === 99) {
-                    error(n, ts.Diagnostics.this_cannot_be_referenced_in_current_location);
-                }
-                else if (n.kind !== 186 && n.kind !== 228) {
-                    ts.forEachChild(n, markThisReferencesAsErrors);
-                }
-            }
             function isInstancePropertyWithInitializer(n) {
                 return n.kind === 149 &&
-                    !(ts.getModifierFlags(n) & 32) &&
+                    !ts.hasModifier(n, 32) &&
                     !!n.initializer;
             }
             var containingClassDecl = node.parent;
@@ -38625,13 +35610,13 @@ var ts;
                     if (classExtendsNull) {
                         error(superCall, ts.Diagnostics.A_constructor_cannot_contain_a_super_call_when_its_class_extends_null);
                     }
-                    var superCallShouldBeFirst = ts.forEach(node.parent.members, isInstancePropertyWithInitializer) ||
-                        ts.forEach(node.parameters, function (p) { return ts.getModifierFlags(p) & 92; });
+                    var superCallShouldBeFirst = ts.some(node.parent.members, isInstancePropertyWithInitializer) ||
+                        ts.some(node.parameters, function (p) { return ts.hasModifier(p, 92); });
                     if (superCallShouldBeFirst) {
                         var statements = node.body.statements;
                         var superCallStatement = void 0;
-                        for (var _i = 0, statements_3 = statements; _i < statements_3.length; _i++) {
-                            var statement = statements_3[_i];
+                        for (var _i = 0, statements_2 = statements; _i < statements_2.length; _i++) {
+                            var statement = statements_2[_i];
                             if (statement.kind === 210 && ts.isSuperCall(statement.expression)) {
                                 superCallStatement = statement;
                                 break;
@@ -38669,10 +35654,12 @@ var ts;
                     var otherKind = node.kind === 153 ? 154 : 153;
                     var otherAccessor = ts.getDeclarationOfKind(node.symbol, otherKind);
                     if (otherAccessor) {
-                        if ((ts.getModifierFlags(node) & 28) !== (ts.getModifierFlags(otherAccessor) & 28)) {
+                        var nodeFlags = ts.getModifierFlags(node);
+                        var otherFlags = ts.getModifierFlags(otherAccessor);
+                        if ((nodeFlags & 28) !== (otherFlags & 28)) {
                             error(node.name, ts.Diagnostics.Getter_and_setter_accessors_do_not_agree_in_visibility);
                         }
-                        if (ts.hasModifier(node, 128) !== ts.hasModifier(otherAccessor, 128)) {
+                        if ((nodeFlags & 128) !== (otherFlags & 128)) {
                             error(node.name, ts.Diagnostics.Accessors_must_both_be_abstract_or_non_abstract);
                         }
                         checkAccessorDeclarationTypesIdentical(node, otherAccessor, getAnnotatedAccessorType, ts.Diagnostics.get_and_set_accessor_must_have_the_same_type);
@@ -38717,13 +35704,23 @@ var ts;
         }
         function checkTypeReferenceNode(node) {
             checkGrammarTypeArguments(node, node.typeArguments);
+            if (node.kind === 159 && node.typeName.jsdocDotPos !== undefined && !ts.isInJavaScriptFile(node) && !ts.isInJSDoc(node)) {
+                grammarErrorAtPos(ts.getSourceFileOfNode(node), node.typeName.jsdocDotPos, 1, ts.Diagnostics.JSDoc_types_can_only_be_used_inside_documentation_comments);
+            }
             var type = getTypeFromTypeReference(node);
             if (type !== unknownType) {
                 if (node.typeArguments) {
                     ts.forEach(node.typeArguments, checkSourceElement);
                     if (produceDiagnostics) {
                         var symbol = getNodeLinks(node).resolvedSymbol;
-                        var typeParameters = symbol.flags & 524288 ? getSymbolLinks(symbol).typeParameters : type.target.localTypeParameters;
+                        if (!symbol) {
+                            error(node, ts.Diagnostics.Type_0_is_not_generic, typeToString(type));
+                            return;
+                        }
+                        var typeParameters = symbol.flags & 524288 && getSymbolLinks(symbol).typeParameters;
+                        if (!typeParameters && getObjectFlags(type) & 4) {
+                            typeParameters = type.target.localTypeParameters;
+                        }
                         checkTypeArgumentConstraints(typeParameters, node.typeArguments);
                     }
                 }
@@ -38766,7 +35763,7 @@ var ts;
             if (isTypeAssignableTo(indexType, getIndexType(objectType))) {
                 return type;
             }
-            if (maybeTypeOfKind(objectType, 540672) && isTypeOfKind(indexType, 84)) {
+            if (maybeTypeOfKind(objectType, 540672) && isTypeAssignableToKind(indexType, 84)) {
                 var constraint = getBaseConstraintOfType(objectType);
                 if (constraint && getIndexInfoOfType(constraint, 1)) {
                     return type;
@@ -38776,6 +35773,8 @@ var ts;
             return type;
         }
         function checkIndexedAccessType(node) {
+            checkSourceElement(node.objectType);
+            checkSourceElement(node.indexType);
             checkIndexedAccessIndexType(getTypeFromIndexedAccessTypeNode(node), node);
         }
         function checkMappedType(node) {
@@ -38786,7 +35785,7 @@ var ts;
             checkTypeAssignableTo(constraintType, stringType, node.typeParameter.constraint);
         }
         function isPrivateWithinAmbient(node) {
-            return (ts.getModifierFlags(node) & 8) && ts.isInAmbientContext(node);
+            return ts.hasModifier(node, 8) && ts.isInAmbientContext(node);
         }
         function getEffectiveDeclarationFlags(n, flagsToCheck) {
             var flags = ts.getCombinedModifierFlags(n);
@@ -38868,11 +35867,14 @@ var ts;
                 if (subsequentNode && subsequentNode.pos === node.end) {
                     if (subsequentNode.kind === node.kind) {
                         var errorNode_1 = subsequentNode.name || subsequentNode;
-                        if (node.name && subsequentNode.name && node.name.text === subsequentNode.name.text) {
+                        var subsequentName = subsequentNode.name;
+                        if (node.name && subsequentName &&
+                            (ts.isComputedPropertyName(node.name) && ts.isComputedPropertyName(subsequentName) ||
+                                !ts.isComputedPropertyName(node.name) && !ts.isComputedPropertyName(subsequentName) && ts.getEscapedTextOfIdentifierOrLiteral(node.name) === ts.getEscapedTextOfIdentifierOrLiteral(subsequentName))) {
                             var reportError = (node.kind === 151 || node.kind === 150) &&
-                                (ts.getModifierFlags(node) & 32) !== (ts.getModifierFlags(subsequentNode) & 32);
+                                ts.hasModifier(node, 32) !== ts.hasModifier(subsequentNode, 32);
                             if (reportError) {
-                                var diagnostic = ts.getModifierFlags(node) & 32 ? ts.Diagnostics.Function_overload_must_be_static : ts.Diagnostics.Function_overload_must_not_be_static;
+                                var diagnostic = ts.hasModifier(node, 32) ? ts.Diagnostics.Function_overload_must_be_static : ts.Diagnostics.Function_overload_must_not_be_static;
                                 error(errorNode_1, diagnostic);
                             }
                             return;
@@ -38888,7 +35890,7 @@ var ts;
                     error(errorNode, ts.Diagnostics.Constructor_implementation_is_missing);
                 }
                 else {
-                    if (ts.getModifierFlags(node) & 128) {
+                    if (ts.hasModifier(node, 128)) {
                         error(errorNode, ts.Diagnostics.All_declarations_of_an_abstract_method_must_be_consecutive);
                     }
                     else {
@@ -38898,8 +35900,8 @@ var ts;
             }
             var duplicateFunctionDeclaration = false;
             var multipleConstructorImplementation = false;
-            for (var _i = 0, declarations_5 = declarations; _i < declarations_5.length; _i++) {
-                var current = declarations_5[_i];
+            for (var _i = 0, declarations_4 = declarations; _i < declarations_4.length; _i++) {
+                var current = declarations_4[_i];
                 var node = current;
                 var inAmbientContext = ts.isInAmbientContext(node);
                 var inAmbientContextOrInterface = node.parent.kind === 230 || node.parent.kind === 163 || inAmbientContext;
@@ -38948,7 +35950,7 @@ var ts;
                 });
             }
             if (lastSeenNonAmbientDeclaration && !lastSeenNonAmbientDeclaration.body &&
-                !(ts.getModifierFlags(lastSeenNonAmbientDeclaration) & 128) && !lastSeenNonAmbientDeclaration.questionToken) {
+                !ts.hasModifier(lastSeenNonAmbientDeclaration, 128) && !lastSeenNonAmbientDeclaration.questionToken) {
                 reportImplementationExpectedError(lastSeenNonAmbientDeclaration);
             }
             if (hasOverloads) {
@@ -38974,7 +35976,7 @@ var ts;
             var symbol = node.localSymbol;
             if (!symbol) {
                 symbol = getSymbolOfNode(node);
-                if (!(symbol.flags & 7340032)) {
+                if (!symbol.exportSymbol) {
                     return;
                 }
             }
@@ -39016,24 +36018,38 @@ var ts;
                     }
                 }
             }
+            var DeclarationSpaces;
+            (function (DeclarationSpaces) {
+                DeclarationSpaces[DeclarationSpaces["None"] = 0] = "None";
+                DeclarationSpaces[DeclarationSpaces["ExportValue"] = 1] = "ExportValue";
+                DeclarationSpaces[DeclarationSpaces["ExportType"] = 2] = "ExportType";
+                DeclarationSpaces[DeclarationSpaces["ExportNamespace"] = 4] = "ExportNamespace";
+            })(DeclarationSpaces || (DeclarationSpaces = {}));
             function getDeclarationSpaces(d) {
                 switch (d.kind) {
                     case 230:
-                        return 2097152;
+                    case 231:
+                        return 2;
                     case 233:
                         return ts.isAmbientModule(d) || ts.getModuleInstanceState(d) !== 0
-                            ? 4194304 | 1048576
-                            : 4194304;
+                            ? 4 | 1
+                            : 4;
                     case 229:
                     case 232:
-                        return 2097152 | 1048576;
+                    case 240:
+                        return 2 | 1;
                     case 237:
                         var result_3 = 0;
                         var target = resolveAlias(getSymbolOfNode(d));
                         ts.forEach(target.declarations, function (d) { result_3 |= getDeclarationSpaces(d); });
                         return result_3;
+                    case 226:
+                    case 176:
+                    case 228:
+                    case 242:
+                        return 1;
                     default:
-                        return 1048576;
+                        ts.Debug.fail(ts.SyntaxKind[d.kind]);
                 }
             }
         }
@@ -39056,7 +36072,7 @@ var ts;
             if (isTypeAny(thenFunction)) {
                 return undefined;
             }
-            var thenSignatures = thenFunction ? getSignaturesOfType(thenFunction, 0) : emptyArray;
+            var thenSignatures = thenFunction ? getSignaturesOfType(thenFunction, 0) : ts.emptyArray;
             if (thenSignatures.length === 0) {
                 if (errorNode) {
                     error(errorNode, ts.Diagnostics.A_promise_must_have_a_then_method);
@@ -39150,7 +36166,7 @@ var ts;
                 var promiseConstructorSymbol = resolveEntityName(promiseConstructorName, 107455, true);
                 var promiseConstructorType = promiseConstructorSymbol ? getTypeOfSymbol(promiseConstructorSymbol) : unknownType;
                 if (promiseConstructorType === unknownType) {
-                    if (promiseConstructorName.kind === 71 && promiseConstructorName.text === "Promise" && getTargetType(returnType) === getGlobalPromiseType(false)) {
+                    if (promiseConstructorName.kind === 71 && promiseConstructorName.escapedText === "Promise" && getTargetType(returnType) === getGlobalPromiseType(false)) {
                         error(returnTypeNode, ts.Diagnostics.An_async_function_or_method_in_ES5_SlashES3_requires_the_Promise_constructor_Make_sure_you_have_a_declaration_for_the_Promise_constructor_or_include_ES2015_in_your_lib_option);
                     }
                     else {
@@ -39167,9 +36183,9 @@ var ts;
                     return unknownType;
                 }
                 var rootName = promiseConstructorName && getFirstIdentifier(promiseConstructorName);
-                var collidingSymbol = getSymbol(node.locals, rootName.text, 107455);
+                var collidingSymbol = getSymbol(node.locals, rootName.escapedText, 107455);
                 if (collidingSymbol) {
-                    error(collidingSymbol.valueDeclaration, ts.Diagnostics.Duplicate_identifier_0_Compiler_uses_declaration_1_to_support_async_functions, rootName.text, ts.entityNameToString(promiseConstructorName));
+                    error(collidingSymbol.valueDeclaration, ts.Diagnostics.Duplicate_identifier_0_Compiler_uses_declaration_1_to_support_async_functions, ts.unescapeLeadingUnderscores(rootName.escapedText), ts.entityNameToString(promiseConstructorName));
                     return unknownType;
                 }
             }
@@ -39213,9 +36229,9 @@ var ts;
         }
         function markEntityNameOrEntityExpressionAsReference(typeName) {
             var rootName = typeName && getFirstIdentifier(typeName);
-            var rootSymbol = rootName && resolveName(rootName, rootName.text, (typeName.kind === 71 ? 793064 : 1920) | 8388608, undefined, undefined);
+            var rootSymbol = rootName && resolveName(rootName, rootName.escapedText, (typeName.kind === 71 ? 793064 : 1920) | 2097152, undefined, undefined);
             if (rootSymbol
-                && rootSymbol.flags & 8388608
+                && rootSymbol.flags & 2097152
                 && symbolIsValue(rootSymbol)
                 && !isConstEnumOrConstEnumOnlyModule(resolveAlias(rootSymbol))) {
                 markAliasSymbolAsReferenced(rootSymbol);
@@ -39242,7 +36258,7 @@ var ts;
                             if (commonEntityName) {
                                 if (!ts.isIdentifier(commonEntityName) ||
                                     !ts.isIdentifier(individualEntityName) ||
-                                    commonEntityName.text !== individualEntityName.text) {
+                                    commonEntityName.escapedText !== individualEntityName.escapedText) {
                                     return undefined;
                                 }
                             }
@@ -39319,7 +36335,22 @@ var ts;
                 checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name);
             }
         }
+        function checkJSDoc(node) {
+            if (!ts.isInJavaScriptFile(node)) {
+                return;
+            }
+            ts.forEach(node.jsDoc, checkSourceElement);
+        }
+        function checkJSDocComment(node) {
+            if (node.tags) {
+                for (var _i = 0, _a = node.tags; _i < _a.length; _i++) {
+                    var tag = _a[_i];
+                    checkSourceElement(tag);
+                }
+            }
+        }
         function checkFunctionOrMethodDeclaration(node) {
+            checkJSDoc(node);
             checkDecorators(node);
             checkSignatureDeclaration(node);
             var functionFlags = ts.getFunctionFlags(node);
@@ -39329,8 +36360,7 @@ var ts;
             if (!ts.hasDynamicName(node)) {
                 var symbol = getSymbolOfNode(node);
                 var localSymbol = node.localSymbol || symbol;
-                var firstDeclaration = ts.forEach(localSymbol.declarations, function (declaration) { return declaration.kind === node.kind && !ts.isSourceFileJavaScript(ts.getSourceFileOfNode(declaration)) ?
-                    declaration : undefined; });
+                var firstDeclaration = ts.find(localSymbol.declarations, function (declaration) { return declaration.kind === node.kind && !ts.isSourceFileJavaScript(ts.getSourceFileOfNode(declaration)); });
                 if (node === firstDeclaration) {
                     checkFunctionOrConstructorSymbol(localSymbol);
                 }
@@ -39407,6 +36437,9 @@ var ts;
                         case 161:
                             checkUnusedTypeParameters(node);
                             break;
+                        case 231:
+                            checkUnusedTypeParameters(node);
+                            break;
                     }
                 }
             }
@@ -39422,11 +36455,11 @@ var ts;
                                 !ts.isParameterPropertyDeclaration(parameter) &&
                                 !ts.parameterIsThisKeyword(parameter) &&
                                 !parameterNameStartsWithUnderscore(name)) {
-                                error(name, ts.Diagnostics._0_is_declared_but_never_used, local.name);
+                                error(name, ts.Diagnostics._0_is_declared_but_never_used, ts.unescapeLeadingUnderscores(local.escapedName));
                             }
                         }
                         else if (compilerOptions.noUnusedLocals) {
-                            ts.forEach(local.declarations, function (d) { return errorUnusedLocal(ts.getNameOfDeclaration(d) || d, local.name); });
+                            ts.forEach(local.declarations, function (d) { return errorUnusedLocal(ts.getNameOfDeclaration(d) || d, ts.unescapeLeadingUnderscores(local.escapedName)); });
                         }
                     }
                 });
@@ -39454,7 +36487,7 @@ var ts;
             return parameterName && isIdentifierThatStartsWithUnderScore(parameterName);
         }
         function isIdentifierThatStartsWithUnderScore(node) {
-            return node.kind === 71 && node.text.charCodeAt(0) === 95;
+            return node.kind === 71 && ts.unescapeLeadingUnderscores(node.escapedText).charCodeAt(0) === 95;
         }
         function checkUnusedClassMembers(node) {
             if (compilerOptions.noUnusedLocals && !ts.isInAmbientContext(node)) {
@@ -39462,15 +36495,15 @@ var ts;
                     for (var _i = 0, _a = node.members; _i < _a.length; _i++) {
                         var member = _a[_i];
                         if (member.kind === 151 || member.kind === 149) {
-                            if (!member.symbol.isReferenced && ts.getModifierFlags(member) & 8) {
-                                error(member.name, ts.Diagnostics._0_is_declared_but_never_used, member.symbol.name);
+                            if (!member.symbol.isReferenced && ts.hasModifier(member, 8)) {
+                                error(member.name, ts.Diagnostics._0_is_declared_but_never_used, ts.unescapeLeadingUnderscores(member.symbol.escapedName));
                             }
                         }
                         else if (member.kind === 152) {
                             for (var _b = 0, _c = member.parameters; _b < _c.length; _b++) {
                                 var parameter = _c[_b];
-                                if (!parameter.symbol.isReferenced && ts.getModifierFlags(parameter) & 8) {
-                                    error(parameter.name, ts.Diagnostics.Property_0_is_declared_but_never_used, parameter.symbol.name);
+                                if (!parameter.symbol.isReferenced && ts.hasModifier(parameter, 8)) {
+                                    error(parameter.name, ts.Diagnostics.Property_0_is_declared_but_never_used, ts.unescapeLeadingUnderscores(parameter.symbol.escapedName));
                                 }
                             }
                         }
@@ -39489,7 +36522,7 @@ var ts;
                     for (var _i = 0, _a = node.typeParameters; _i < _a.length; _i++) {
                         var typeParameter = _a[_i];
                         if (!getMergedSymbol(typeParameter.symbol).isReferenced) {
-                            error(typeParameter.name, ts.Diagnostics._0_is_declared_but_never_used, typeParameter.symbol.name);
+                            error(typeParameter.name, ts.Diagnostics._0_is_declared_but_never_used, ts.unescapeLeadingUnderscores(typeParameter.symbol.escapedName));
                         }
                     }
                 }
@@ -39502,7 +36535,7 @@ var ts;
                         for (var _i = 0, _a = local.declarations; _i < _a.length; _i++) {
                             var declaration = _a[_i];
                             if (!ts.isAmbientModule(declaration)) {
-                                errorUnusedLocal(ts.getNameOfDeclaration(declaration), local.name);
+                                errorUnusedLocal(ts.getNameOfDeclaration(declaration), ts.unescapeLeadingUnderscores(local.escapedName));
                             }
                         }
                     }
@@ -39523,13 +36556,13 @@ var ts;
                 return;
             }
             ts.forEach(node.parameters, function (p) {
-                if (p.name && !ts.isBindingPattern(p.name) && p.name.text === argumentsSymbol.name) {
+                if (p.name && !ts.isBindingPattern(p.name) && p.name.escapedText === argumentsSymbol.escapedName) {
                     error(p, ts.Diagnostics.Duplicate_identifier_arguments_Compiler_uses_arguments_to_initialize_rest_parameters);
                 }
             });
         }
         function needCollisionCheckForIdentifier(node, identifier, name) {
-            if (!(identifier && identifier.text === name)) {
+            if (!(identifier && identifier.escapedText === name)) {
                 return false;
             }
             if (node.kind === 149 ||
@@ -39641,7 +36674,9 @@ var ts;
             }
             var symbol = getSymbolOfNode(node);
             if (symbol.flags & 1) {
-                var localDeclarationSymbol = resolveName(node, node.name.text, 3, undefined, undefined);
+                if (!ts.isIdentifier(node.name))
+                    throw ts.Debug.fail();
+                var localDeclarationSymbol = resolveName(node, node.name.escapedText, 3, undefined, undefined);
                 if (localDeclarationSymbol &&
                     localDeclarationSymbol !== symbol &&
                     localDeclarationSymbol.flags & 2) {
@@ -39677,7 +36712,7 @@ var ts;
                     return visit(n.expression);
                 }
                 else if (n.kind === 71) {
-                    var symbol = resolveName(n, n.text, 107455 | 8388608, undefined, undefined);
+                    var symbol = resolveName(n, n.escapedText, 107455 | 2097152, undefined, undefined);
                     if (!symbol || symbol === unknownSymbol || !symbol.valueDeclaration) {
                         return;
                     }
@@ -39718,6 +36753,9 @@ var ts;
         function checkVariableLikeDeclaration(node) {
             checkDecorators(node);
             checkSourceElement(node.type);
+            if (!node.name) {
+                return;
+            }
             if (node.name.kind === 144) {
                 checkComputedPropertyName(node.name);
                 if (node.initializer) {
@@ -39804,7 +36842,7 @@ var ts;
                 128 |
                 64 |
                 32;
-            return (ts.getModifierFlags(left) & interestingFlags) === (ts.getModifierFlags(right) & interestingFlags);
+            return ts.getSelectedModifierFlags(left, interestingFlags) === ts.getSelectedModifierFlags(right, interestingFlags);
         }
         function checkVariableDeclaration(node) {
             checkGrammarVariableDeclaration(node);
@@ -39934,7 +36972,7 @@ var ts;
                     checkReferenceExpression(varExpr, ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_must_be_a_variable_or_a_property_access);
                 }
             }
-            if (!isTypeAnyOrAllConstituentTypesHaveKind(rightType, 32768 | 540672 | 16777216)) {
+            if (!isTypeAssignableToKind(rightType, 16777216 | 540672)) {
                 error(node.expression, ts.Diagnostics.The_right_hand_side_of_a_for_in_statement_must_be_of_type_any_an_object_type_or_a_type_parameter);
             }
             checkSourceElement(node.statement);
@@ -40087,7 +37125,7 @@ var ts;
             if (isTypeAny(nextMethod)) {
                 return undefined;
             }
-            var nextMethodSignatures = nextMethod ? getSignaturesOfType(nextMethod, 0) : emptyArray;
+            var nextMethodSignatures = nextMethod ? getSignaturesOfType(nextMethod, 0) : ts.emptyArray;
             if (nextMethodSignatures.length === 0) {
                 if (errorNode) {
                     error(errorNode, isAsyncIterator
@@ -40242,7 +37280,7 @@ var ts;
                     if (ts.isFunctionLike(current)) {
                         return "quit";
                     }
-                    if (current.kind === 222 && current.label.text === node.label.text) {
+                    if (current.kind === 222 && current.label.escapedText === node.label.escapedText) {
                         var sourceFile = ts.getSourceFileOfNode(node);
                         grammarErrorOnNode(node.label, ts.Diagnostics.Duplicate_label_0, ts.getTextOfNodeFromSourceText(sourceFile.text, node.label));
                         return true;
@@ -40306,7 +37344,7 @@ var ts;
                     var classDeclaration = type.symbol.valueDeclaration;
                     for (var _i = 0, _a = classDeclaration.members; _i < _a.length; _i++) {
                         var member = _a[_i];
-                        if (!(ts.getModifierFlags(member) & 32) && ts.hasDynamicName(member)) {
+                        if (!ts.hasModifier(member, 32) && ts.hasDynamicName(member)) {
                             var propType = getTypeOfSymbol(member.symbol);
                             checkIndexConstraintForProperty(member.symbol, propType, type, declaredStringIndexer, stringIndexType, 0);
                             checkIndexConstraintForProperty(member.symbol, propType, type, declaredNumberIndexer, numberIndexType, 1);
@@ -40330,7 +37368,7 @@ var ts;
                     return;
                 }
                 var propDeclaration = prop.valueDeclaration;
-                if (indexKind === 1 && !(propDeclaration ? isNumericName(ts.getNameOfDeclaration(propDeclaration)) : isNumericLiteralName(prop.name))) {
+                if (indexKind === 1 && !(propDeclaration ? isNumericName(ts.getNameOfDeclaration(propDeclaration)) : isNumericLiteralName(prop.escapedName))) {
                     return;
                 }
                 var errorNode;
@@ -40344,7 +37382,7 @@ var ts;
                     errorNode = indexDeclaration;
                 }
                 else if (getObjectFlags(containingType) & 2) {
-                    var someBaseClassHasBothPropertyAndIndexer = ts.forEach(getBaseTypes(containingType), function (base) { return getPropertyOfObjectType(base, prop.name) && getIndexTypeOfType(base, indexKind); });
+                    var someBaseClassHasBothPropertyAndIndexer = ts.forEach(getBaseTypes(containingType), function (base) { return getPropertyOfObjectType(base, prop.escapedName) && getIndexTypeOfType(base, indexKind); });
                     errorNode = someBaseClassHasBothPropertyAndIndexer ? undefined : containingType.symbol.declarations[0];
                 }
                 if (errorNode && !isTypeAssignableTo(propertyType, indexType)) {
@@ -40356,7 +37394,7 @@ var ts;
             }
         }
         function checkTypeNameIsReserved(name, message) {
-            switch (name.text) {
+            switch (name.escapedText) {
                 case "any":
                 case "number":
                 case "boolean":
@@ -40364,7 +37402,7 @@ var ts;
                 case "symbol":
                 case "void":
                 case "object":
-                    error(name, message, name.text);
+                    error(name, message, name.escapedText);
             }
         }
         function checkTypeParameters(typeParameterDeclarations) {
@@ -40403,8 +37441,8 @@ var ts;
                 var type = getDeclaredTypeOfSymbol(symbol);
                 if (!areTypeParametersIdentical(declarations, type.localTypeParameters)) {
                     var name = symbolToString(symbol);
-                    for (var _i = 0, declarations_6 = declarations; _i < declarations_6.length; _i++) {
-                        var declaration = declarations_6[_i];
+                    for (var _i = 0, declarations_5 = declarations; _i < declarations_5.length; _i++) {
+                        var declaration = declarations_5[_i];
                         error(declaration.name, ts.Diagnostics.All_declarations_of_0_must_have_identical_type_parameters, name);
                     }
                 }
@@ -40413,8 +37451,8 @@ var ts;
         function areTypeParametersIdentical(declarations, typeParameters) {
             var maxTypeArgumentCount = ts.length(typeParameters);
             var minTypeArgumentCount = getMinTypeArgumentCount(typeParameters);
-            for (var _i = 0, declarations_7 = declarations; _i < declarations_7.length; _i++) {
-                var declaration = declarations_7[_i];
+            for (var _i = 0, declarations_6 = declarations; _i < declarations_6.length; _i++) {
+                var declaration = declarations_6[_i];
                 var numTypeParameters = ts.length(declaration.typeParameters);
                 if (numTypeParameters < minTypeArgumentCount || numTypeParameters > maxTypeArgumentCount) {
                     return false;
@@ -40422,7 +37460,7 @@ var ts;
                 for (var i = 0; i < numTypeParameters; i++) {
                     var source = declaration.typeParameters[i];
                     var target = typeParameters[i];
-                    if (source.name.text !== target.symbol.name) {
+                    if (source.name.escapedText !== target.symbol.escapedName) {
                         return false;
                     }
                     var sourceConstraint = source.constraint && getTypeFromTypeNode(source.constraint);
@@ -40450,7 +37488,7 @@ var ts;
             registerForUnusedIdentifiersCheck(node);
         }
         function checkClassDeclaration(node) {
-            if (!node.name && !(ts.getModifierFlags(node) & 512)) {
+            if (!node.name && !ts.hasModifier(node, 512)) {
                 grammarErrorOnFirstToken(node, ts.Diagnostics.A_class_declaration_without_the_default_modifier_must_have_a_name);
             }
             checkClassLikeDeclaration(node);
@@ -40543,7 +37581,7 @@ var ts;
             var signatures = getSignaturesOfType(type, 1);
             if (signatures.length) {
                 var declaration = signatures[0].declaration;
-                if (declaration && ts.getModifierFlags(declaration) & 8) {
+                if (declaration && ts.hasModifier(declaration, 8)) {
                     var typeClassDeclaration = getClassLikeDeclarationOfSymbol(type.symbol);
                     if (!isNodeWithinClass(node, typeClassDeclaration)) {
                         error(node, ts.Diagnostics.Cannot_extend_a_class_0_Class_constructor_is_marked_as_private, getFullyQualifiedName(type.symbol));
@@ -40567,16 +37605,16 @@ var ts;
             for (var _i = 0, baseProperties_1 = baseProperties; _i < baseProperties_1.length; _i++) {
                 var baseProperty = baseProperties_1[_i];
                 var base = getTargetSymbol(baseProperty);
-                if (base.flags & 16777216) {
+                if (base.flags & 4194304) {
                     continue;
                 }
-                var derived = getTargetSymbol(getPropertyOfObjectType(type, base.name));
+                var derived = getTargetSymbol(getPropertyOfObjectType(type, base.escapedName));
                 var baseDeclarationFlags = ts.getDeclarationModifierFlagsFromSymbol(base);
                 ts.Debug.assert(!!derived, "derived should point to something, even if it is the base class' declaration.");
                 if (derived) {
                     if (derived === base) {
                         var derivedClassDecl = getClassLikeDeclarationOfSymbol(type.symbol);
-                        if (baseDeclarationFlags & 128 && (!derivedClassDecl || !(ts.getModifierFlags(derivedClassDecl) & 128))) {
+                        if (baseDeclarationFlags & 128 && (!derivedClassDecl || !ts.hasModifier(derivedClassDecl, 128))) {
                             if (derivedClassDecl.kind === 199) {
                                 error(derivedClassDecl, ts.Diagnostics.Non_abstract_class_expression_does_not_implement_inherited_abstract_member_0_from_class_1, symbolToString(baseProperty), typeToString(baseType));
                             }
@@ -40618,17 +37656,17 @@ var ts;
             if (baseTypes.length < 2) {
                 return true;
             }
-            var seen = ts.createMap();
-            ts.forEach(resolveDeclaredMembers(type).declaredProperties, function (p) { seen.set(p.name, { prop: p, containingType: type }); });
+            var seen = ts.createUnderscoreEscapedMap();
+            ts.forEach(resolveDeclaredMembers(type).declaredProperties, function (p) { seen.set(p.escapedName, { prop: p, containingType: type }); });
             var ok = true;
             for (var _i = 0, baseTypes_2 = baseTypes; _i < baseTypes_2.length; _i++) {
                 var base = baseTypes_2[_i];
                 var properties = getPropertiesOfType(getTypeWithThisArgument(base, type.thisType));
                 for (var _a = 0, properties_8 = properties; _a < properties_8.length; _a++) {
                     var prop = properties_8[_a];
-                    var existing = seen.get(prop.name);
+                    var existing = seen.get(prop.escapedName);
                     if (!existing) {
-                        seen.set(prop.name, { prop: prop, containingType: base });
+                        seen.set(prop.escapedName, { prop: prop, containingType: base });
                     }
                     else {
                         var isInheritedProperty = existing.containingType !== type;
@@ -40684,6 +37722,7 @@ var ts;
             checkTypeNameIsReserved(node.name, ts.Diagnostics.Type_alias_name_cannot_be_0);
             checkTypeParameters(node.typeParameters);
             checkSourceElement(node.type);
+            registerForUnusedIdentifiersCheck(node);
         }
         function computeEnumMemberValues(node) {
             var nodeLinks = getNodeLinks(node);
@@ -40785,15 +37824,22 @@ var ts;
                     case 185:
                         return evaluate(expr.expression);
                     case 71:
-                        return ts.nodeIsMissing(expr) ? 0 : evaluateEnumMember(expr, getSymbolOfNode(member.parent), expr.text);
+                        return ts.nodeIsMissing(expr) ? 0 : evaluateEnumMember(expr, getSymbolOfNode(member.parent), expr.escapedText);
                     case 180:
                     case 179:
-                        if (isConstantMemberAccess(expr)) {
-                            var type = getTypeOfExpression(expr.expression);
+                        var ex = expr;
+                        if (isConstantMemberAccess(ex)) {
+                            var type = getTypeOfExpression(ex.expression);
                             if (type.symbol && type.symbol.flags & 384) {
-                                var name = expr.kind === 179 ?
-                                    expr.name.text :
-                                    expr.argumentExpression.text;
+                                var name = void 0;
+                                if (ex.kind === 179) {
+                                    name = ex.name.escapedText;
+                                }
+                                else {
+                                    var argument = ex.argumentExpression;
+                                    ts.Debug.assert(ts.isLiteralExpression(argument));
+                                    name = ts.escapeLeadingUnderscores(argument.text);
+                                }
                                 return evaluateEnumMember(expr, type.symbol, name);
                             }
                         }
@@ -40871,8 +37917,8 @@ var ts;
         }
         function getFirstNonAmbientClassOrFunctionDeclaration(symbol) {
             var declarations = symbol.declarations;
-            for (var _i = 0, declarations_8 = declarations; _i < declarations_8.length; _i++) {
-                var declaration = declarations_8[_i];
+            for (var _i = 0, declarations_7 = declarations; _i < declarations_7.length; _i++) {
+                var declaration = declarations_7[_i];
                 if ((declaration.kind === 229 ||
                     (declaration.kind === 228 && ts.nodeIsPresent(declaration.body))) &&
                     !ts.isInAmbientContext(declaration)) {
@@ -40923,7 +37969,7 @@ var ts;
                 if (symbol.flags & 512
                     && symbol.declarations.length > 1
                     && !inAmbientContext
-                    && ts.isInstantiatedModule(node, compilerOptions.preserveConstEnums || compilerOptions.isolatedModules)) {
+                    && isInstantiatedModule(node, compilerOptions.preserveConstEnums || compilerOptions.isolatedModules)) {
                     var firstNonAmbientClassOrFunc = getFirstNonAmbientClassOrFunctionDeclaration(symbol);
                     if (firstNonAmbientClassOrFunc) {
                         if (ts.getSourceFileOfNode(node) !== ts.getSourceFileOfNode(firstNonAmbientClassOrFunc)) {
@@ -40941,7 +37987,7 @@ var ts;
                 }
                 if (isAmbientExternalModule) {
                     if (ts.isExternalModuleAugmentation(node)) {
-                        var checkBody = isGlobalAugmentation || (getSymbolOfNode(node).flags & 134217728);
+                        var checkBody = isGlobalAugmentation || (getSymbolOfNode(node).flags & 33554432);
                         if (checkBody && node.body) {
                             for (var _i = 0, _a = node.body.statements; _i < _a.length; _i++) {
                                 var statement = _a[_i];
@@ -40953,7 +37999,7 @@ var ts;
                         if (isGlobalAugmentation) {
                             error(node.name, ts.Diagnostics.Augmentations_for_the_global_scope_can_only_be_directly_nested_in_external_modules_or_ambient_module_declarations);
                         }
-                        else if (ts.isExternalModuleNameRelative(node.name.text)) {
+                        else if (ts.isExternalModuleNameRelative(ts.getTextOfIdentifierOrLiteral(node.name))) {
                             error(node.name, ts.Diagnostics.Ambient_module_declaration_cannot_specify_relative_module_name);
                         }
                     }
@@ -41011,7 +38057,7 @@ var ts;
                     }
                     var symbol = getSymbolOfNode(node);
                     if (symbol) {
-                        var reportError = !(symbol.flags & 134217728);
+                        var reportError = !(symbol.flags & 33554432);
                         if (!reportError) {
                             reportError = ts.isExternalModuleAugmentation(symbol.parent.declarations[0]);
                         }
@@ -41048,7 +38094,7 @@ var ts;
                     ts.Diagnostics.Import_declarations_in_a_namespace_cannot_reference_a_module);
                 return false;
             }
-            if (inAmbientExternalModule && ts.isExternalModuleNameRelative(moduleName.text)) {
+            if (inAmbientExternalModule && ts.isExternalModuleNameRelative(ts.getTextOfIdentifierOrLiteral(moduleName))) {
                 if (!isTopLevelInExternalModuleAugmentation(node)) {
                     error(node, ts.Diagnostics.Import_or_export_declaration_in_an_ambient_module_declaration_cannot_reference_module_through_relative_module_name);
                     return false;
@@ -41087,7 +38133,7 @@ var ts;
             if (checkGrammarModuleElementContext(node, ts.Diagnostics.An_import_declaration_can_only_be_used_in_a_namespace_or_module)) {
                 return;
             }
-            if (!checkGrammarDecorators(node) && !checkGrammarModifiers(node) && ts.getModifierFlags(node) !== 0) {
+            if (!checkGrammarDecorators(node) && !checkGrammarModifiers(node) && ts.hasModifiers(node)) {
                 grammarErrorOnFirstToken(node, ts.Diagnostics.An_import_declaration_cannot_have_modifiers);
             }
             if (checkExternalImportOrExportDeclaration(node)) {
@@ -41114,7 +38160,7 @@ var ts;
             checkGrammarDecorators(node) || checkGrammarModifiers(node);
             if (ts.isInternalModuleImportEqualsDeclaration(node) || checkExternalImportOrExportDeclaration(node)) {
                 checkImportBinding(node);
-                if (ts.getModifierFlags(node) & 1) {
+                if (ts.hasModifier(node, 1)) {
                     markExportAsReferenced(node);
                 }
                 if (ts.isInternalModuleImportEqualsDeclaration(node)) {
@@ -41142,7 +38188,7 @@ var ts;
             if (checkGrammarModuleElementContext(node, ts.Diagnostics.An_export_declaration_can_only_be_used_in_a_module)) {
                 return;
             }
-            if (!checkGrammarDecorators(node) && !checkGrammarModifiers(node) && ts.getModifierFlags(node) !== 0) {
+            if (!checkGrammarDecorators(node) && !checkGrammarModifiers(node) && ts.hasModifiers(node)) {
                 grammarErrorOnFirstToken(node, ts.Diagnostics.An_export_declaration_cannot_have_modifiers);
             }
             if (!node.moduleSpecifier || checkExternalImportOrExportDeclaration(node)) {
@@ -41177,9 +38223,9 @@ var ts;
             checkAliasSymbol(node);
             if (!node.parent.parent.moduleSpecifier) {
                 var exportedName = node.propertyName || node.name;
-                var symbol = resolveName(exportedName, exportedName.text, 107455 | 793064 | 1920 | 8388608, undefined, undefined);
+                var symbol = resolveName(exportedName, exportedName.escapedText, 107455 | 793064 | 1920 | 2097152, undefined, undefined);
                 if (symbol && (symbol === undefinedSymbol || isGlobalSourceFile(getDeclarationContainer(symbol.declarations[0])))) {
-                    error(exportedName, ts.Diagnostics.Cannot_export_0_Only_local_declarations_can_be_exported_from_a_module, exportedName.text);
+                    error(exportedName, ts.Diagnostics.Cannot_export_0_Only_local_declarations_can_be_exported_from_a_module, ts.unescapeLeadingUnderscores(exportedName.escapedText));
                 }
                 else {
                     markExportAsReferenced(node);
@@ -41200,7 +38246,7 @@ var ts;
                 }
                 return;
             }
-            if (!checkGrammarDecorators(node) && !checkGrammarModifiers(node) && ts.getModifierFlags(node) !== 0) {
+            if (!checkGrammarDecorators(node) && !checkGrammarModifiers(node) && ts.hasModifiers(node)) {
                 grammarErrorOnFirstToken(node, ts.Diagnostics.An_export_assignment_cannot_have_modifiers);
             }
             if (node.expression.kind === 71) {
@@ -41247,10 +38293,10 @@ var ts;
                         return;
                     }
                     if (exportedDeclarationsCount > 1) {
-                        for (var _i = 0, declarations_9 = declarations; _i < declarations_9.length; _i++) {
-                            var declaration = declarations_9[_i];
+                        for (var _i = 0, declarations_8 = declarations; _i < declarations_8.length; _i++) {
+                            var declaration = declarations_8[_i];
                             if (isNotOverload(declaration)) {
-                                diagnostics.add(ts.createDiagnosticForNode(declaration, ts.Diagnostics.Cannot_redeclare_exported_variable_0, id));
+                                diagnostics.add(ts.createDiagnosticForNode(declaration, ts.Diagnostics.Cannot_redeclare_exported_variable_0, ts.unescapeLeadingUnderscores(id)));
                             }
                         }
                     }
@@ -41317,6 +38363,23 @@ var ts;
                 case 168:
                 case 170:
                     return checkSourceElement(node.type);
+                case 275:
+                    return checkJSDocComment(node);
+                case 279:
+                    return checkSourceElement(node.typeExpression);
+                case 273:
+                    checkSignatureDeclaration(node);
+                case 274:
+                case 271:
+                case 270:
+                case 268:
+                case 269:
+                    if (!ts.isInJavaScriptFile(node) && !ts.isInJSDoc(node)) {
+                        grammarErrorOnNode(node, ts.Diagnostics.JSDoc_types_can_only_be_used_inside_documentation_comments);
+                    }
+                    return;
+                case 267:
+                    return checkSourceElement(node.type);
                 case 171:
                     return checkIndexedAccessType(node);
                 case 172:
@@ -41427,8 +38490,8 @@ var ts;
                     return;
                 }
                 checkGrammarSourceFile(node);
-                potentialThisCollisions.length = 0;
-                potentialNewTargetCollisions.length = 0;
+                ts.clear(potentialThisCollisions);
+                ts.clear(potentialNewTargetCollisions);
                 deferredNodes = [];
                 deferredUnusedIdentifierNodes = produceDiagnostics && noUnusedIdentifiers ? [] : undefined;
                 ts.forEach(node.statements, checkSourceElement);
@@ -41446,11 +38509,11 @@ var ts;
                 }
                 if (potentialThisCollisions.length) {
                     ts.forEach(potentialThisCollisions, checkIfThisIsCapturedInEnclosingScope);
-                    potentialThisCollisions.length = 0;
+                    ts.clear(potentialThisCollisions);
                 }
                 if (potentialNewTargetCollisions.length) {
                     ts.forEach(potentialNewTargetCollisions, checkIfNewTargetIsCapturedInEnclosingScope);
-                    potentialNewTargetCollisions.length = 0;
+                    ts.clear(potentialNewTargetCollisions);
                 }
                 links.flags |= 1;
             }
@@ -41508,8 +38571,8 @@ var ts;
             if (isInsideWithStatementBody(location)) {
                 return [];
             }
-            var symbols = ts.createMap();
-            var memberFlags = 0;
+            var symbols = ts.createSymbolTable();
+            var isStatic = false;
             populateSymbols();
             return symbolsToArray(symbols);
             function populateSymbols() {
@@ -41518,12 +38581,8 @@ var ts;
                         copySymbols(location.locals, meaning);
                     }
                     switch (location.kind) {
-                        case 265:
-                            if (!ts.isExternalOrCommonJsModule(location)) {
-                                break;
-                            }
                         case 233:
-                            copySymbols(getSymbolOfNode(location).exports, meaning & 8914931);
+                            copySymbols(getSymbolOfNode(location).exports, meaning & 2623475);
                             break;
                         case 232:
                             copySymbols(getSymbolOfNode(location).exports, meaning & 8);
@@ -41535,7 +38594,7 @@ var ts;
                             }
                         case 229:
                         case 230:
-                            if (!(memberFlags & 32)) {
+                            if (!isStatic) {
                                 copySymbols(getSymbolOfNode(location).members, meaning & 793064);
                             }
                             break;
@@ -41549,14 +38608,14 @@ var ts;
                     if (ts.introducesArgumentsExoticObject(location)) {
                         copySymbol(argumentsSymbol, meaning);
                     }
-                    memberFlags = ts.getModifierFlags(location);
+                    isStatic = ts.hasModifier(location, 32);
                     location = location.parent;
                 }
                 copySymbols(globals, meaning);
             }
             function copySymbol(symbol, meaning) {
-                if (symbol.flags & meaning) {
-                    var id = symbol.name;
+                if (ts.getCombinedLocalAndExportSymbolFlags(symbol) & meaning) {
+                    var id = symbol.escapedName;
                     if (!symbols.has(id)) {
                         symbols.set(id, symbol);
                     }
@@ -41590,7 +38649,7 @@ var ts;
             while (node.parent && node.parent.kind === 143) {
                 node = node.parent;
             }
-            return node.parent && (node.parent.kind === 159 || node.parent.kind === 277);
+            return node.parent && node.parent.kind === 159;
         }
         function isHeritageClauseElementIdentifier(entityName) {
             var node = entityName;
@@ -41653,7 +38712,7 @@ var ts;
                 }
             }
             if (entityName.parent.kind === 243 && ts.isEntityNameExpression(entityName)) {
-                return resolveEntityName(entityName, 107455 | 793064 | 1920 | 8388608);
+                return resolveEntityName(entityName, 107455 | 793064 | 1920 | 2097152);
             }
             if (entityName.kind !== 179 && isInRightSideOfImportOrExportAssignment(entityName)) {
                 var importEqualsDeclaration = ts.getAncestor(entityName, 237);
@@ -41674,17 +38733,16 @@ var ts;
                 else {
                     meaning = 1920;
                 }
-                meaning |= 8388608;
+                meaning |= 2097152;
                 var entityNameSymbol = resolveEntityName(entityName, meaning);
                 if (entityNameSymbol) {
                     return entityNameSymbol;
                 }
             }
-            if (entityName.parent.kind === 287) {
-                var parameter = ts.getParameterFromJSDoc(entityName.parent);
-                return parameter && parameter.symbol;
+            if (entityName.parent.kind === 279) {
+                return ts.getParameterSymbolFromJSDoc(entityName.parent);
             }
-            if (entityName.parent.kind === 145 && entityName.parent.parent.kind === 290) {
+            if (entityName.parent.kind === 145 && entityName.parent.parent.kind === 282) {
                 ts.Debug.assert(!ts.isInJavaScriptFile(entityName));
                 var typeParameter = ts.getTypeParameterFromJsDoc(entityName.parent);
                 return typeParameter && typeParameter.symbol;
@@ -41699,23 +38757,22 @@ var ts;
                     }
                     return resolveEntityName(entityName, 107455, false, true);
                 }
-                else if (entityName.kind === 179) {
-                    var symbol = getNodeLinks(entityName).resolvedSymbol;
-                    if (!symbol) {
+                else if (entityName.kind === 179 || entityName.kind === 143) {
+                    var links = getNodeLinks(entityName);
+                    if (links.resolvedSymbol) {
+                        return links.resolvedSymbol;
+                    }
+                    if (entityName.kind === 179) {
                         checkPropertyAccessExpression(entityName);
                     }
-                    return getNodeLinks(entityName).resolvedSymbol;
-                }
-                else if (entityName.kind === 143) {
-                    var symbol = getNodeLinks(entityName).resolvedSymbol;
-                    if (!symbol) {
+                    else {
                         checkQualifiedName(entityName);
                     }
-                    return getNodeLinks(entityName).resolvedSymbol;
+                    return links.resolvedSymbol;
                 }
             }
             else if (isTypeReferenceIdentifier(entityName)) {
-                var meaning = (entityName.parent.kind === 159 || entityName.parent.kind === 277) ? 793064 : 1920;
+                var meaning = entityName.parent.kind === 159 ? 793064 : 1920;
                 return resolveEntityName(entityName, meaning, false, true);
             }
             else if (entityName.parent.kind === 253) {
@@ -41747,7 +38804,7 @@ var ts;
                     node.parent.parent.kind === 174 &&
                     node === node.parent.propertyName) {
                     var typeOfPattern = getTypeOfNode(node.parent.parent);
-                    var propertyDeclaration = typeOfPattern && getPropertyOfType(typeOfPattern, node.text);
+                    var propertyDeclaration = typeOfPattern && getPropertyOfType(typeOfPattern, node.escapedText);
                     if (propertyDeclaration) {
                         return propertyDeclaration;
                     }
@@ -41799,14 +38856,14 @@ var ts;
         }
         function getShorthandAssignmentValueSymbol(location) {
             if (location && location.kind === 262) {
-                return resolveEntityName(location.name, 107455 | 8388608);
+                return resolveEntityName(location.name, 107455 | 2097152);
             }
             return undefined;
         }
         function getExportSpecifierLocalTargetSymbol(node) {
             return node.parent.parent.moduleSpecifier ?
                 getExternalModuleMember(node.parent.parent, node) :
-                resolveEntityName(node.propertyName || node.name, 107455 | 793064 | 1920 | 8388608);
+                resolveEntityName(node.propertyName || node.name, 107455 | 793064 | 1920 | 2097152);
         }
         function getTypeOfNode(node) {
             if (isInsideWithStatementBody(node)) {
@@ -41877,7 +38934,7 @@ var ts;
         }
         function getPropertySymbolOfDestructuringAssignment(location) {
             var typeOfObjectLiteral = getTypeOfArrayLiteralOrObjectLiteralDestructuringAssignment(location.parent.parent);
-            return typeOfObjectLiteral && getPropertyOfType(typeOfObjectLiteral, location.text);
+            return typeOfObjectLiteral && getPropertyOfType(typeOfObjectLiteral, location.escapedText);
         }
         function getRegularTypeOfExpression(expr) {
             if (ts.isRightSideOfQualifiedNameOrPropertyAccess(expr)) {
@@ -41887,17 +38944,17 @@ var ts;
         }
         function getParentTypeOfClassElement(node) {
             var classSymbol = getSymbolOfNode(node.parent);
-            return ts.getModifierFlags(node) & 32
+            return ts.hasModifier(node, 32)
                 ? getTypeOfSymbol(classSymbol)
                 : getDeclaredTypeOfSymbol(classSymbol);
         }
         function getAugmentedPropertiesOfType(type) {
             type = getApparentType(type);
-            var propsByName = createSymbolTable(getPropertiesOfType(type));
+            var propsByName = ts.createSymbolTable(getPropertiesOfType(type));
             if (getSignaturesOfType(type, 0).length || getSignaturesOfType(type, 1).length) {
                 ts.forEach(getPropertiesOfType(globalFunctionType), function (p) {
-                    if (!propsByName.has(p.name)) {
-                        propsByName.set(p.name, p);
+                    if (!propsByName.has(p.escapedName)) {
+                        propsByName.set(p.escapedName, p);
                     }
                 });
             }
@@ -41906,7 +38963,7 @@ var ts;
         function getRootSymbols(symbol) {
             if (ts.getCheckFlags(symbol) & 6) {
                 var symbols_4 = [];
-                var name_2 = symbol.name;
+                var name_2 = symbol.escapedName;
                 ts.forEach(getSymbolLinks(symbol).containingType.types, function (t) {
                     var symbol = getPropertyOfType(t, name_2);
                     if (symbol) {
@@ -41915,7 +38972,7 @@ var ts;
                 });
                 return symbols_4;
             }
-            else if (symbol.flags & 134217728) {
+            else if (symbol.flags & 33554432) {
                 var transient = symbol;
                 if (transient.leftSpread) {
                     return getRootSymbols(transient.leftSpread).concat(getRootSymbols(transient.rightSpread));
@@ -42009,7 +39066,7 @@ var ts;
                     var container = ts.getEnclosingBlockScopeContainer(symbol.valueDeclaration);
                     if (ts.isStatementWithLocals(container)) {
                         var nodeLinks_1 = getNodeLinks(symbol.valueDeclaration);
-                        if (!!resolveName(container.parent, symbol.name, 107455, undefined, undefined)) {
+                        if (!!resolveName(container.parent, symbol.escapedName, 107455, undefined, undefined)) {
                             links.isDeclarationWithCollidingName = true;
                         }
                         else if (nodeLinks_1.flags & 131072) {
@@ -42112,13 +39169,13 @@ var ts;
             return strictNullChecks &&
                 !isOptionalParameter(parameter) &&
                 parameter.initializer &&
-                !(ts.getModifierFlags(parameter) & 92);
+                !ts.hasModifier(parameter, 92);
         }
         function isOptionalUninitializedParameterProperty(parameter) {
             return strictNullChecks &&
                 isOptionalParameter(parameter) &&
                 !parameter.initializer &&
-                !!(ts.getModifierFlags(parameter) & 92);
+                ts.hasModifier(parameter, 92);
         }
         function getNodeCheckFlags(node) {
             return getNodeLinks(node).flags;
@@ -42152,6 +39209,14 @@ var ts;
             return type.flags & 32768 && getSignaturesOfType(type, 0).length > 0;
         }
         function getTypeReferenceSerializationKind(typeName, location) {
+            typeName = ts.getParseTreeNode(typeName, ts.isEntityName);
+            if (!typeName)
+                return ts.TypeReferenceSerializationKind.Unknown;
+            if (location) {
+                location = ts.getParseTreeNode(location);
+                if (!location)
+                    return ts.TypeReferenceSerializationKind.Unknown;
+            }
             var valueSymbol = resolveEntityName(typeName, 107455, true, false, location);
             var typeSymbol = resolveEntityName(typeName, 793064, true, false, location);
             if (valueSymbol && valueSymbol === typeSymbol) {
@@ -42174,22 +39239,22 @@ var ts;
             else if (type.flags & 1) {
                 return ts.TypeReferenceSerializationKind.ObjectType;
             }
-            else if (isTypeOfKind(type, 1024 | 6144 | 8192)) {
+            else if (isTypeAssignableToKind(type, 1024 | 6144 | 8192)) {
                 return ts.TypeReferenceSerializationKind.VoidNullableOrNeverType;
             }
-            else if (isTypeOfKind(type, 136)) {
+            else if (isTypeAssignableToKind(type, 136)) {
                 return ts.TypeReferenceSerializationKind.BooleanType;
             }
-            else if (isTypeOfKind(type, 84)) {
+            else if (isTypeAssignableToKind(type, 84)) {
                 return ts.TypeReferenceSerializationKind.NumberLikeType;
             }
-            else if (isTypeOfKind(type, 262178)) {
+            else if (isTypeAssignableToKind(type, 262178)) {
                 return ts.TypeReferenceSerializationKind.StringLikeType;
             }
             else if (isTupleType(type)) {
                 return ts.TypeReferenceSerializationKind.ArrayLikeType;
             }
-            else if (isTypeOfKind(type, 512)) {
+            else if (isTypeAssignableToKind(type, 512)) {
                 return ts.TypeReferenceSerializationKind.ESSymbolType;
             }
             else if (isFunctionType(type)) {
@@ -42221,7 +39286,7 @@ var ts;
             getSymbolDisplayBuilder().buildTypeDisplay(type, writer, enclosingDeclaration, flags);
         }
         function hasGlobalName(name) {
-            return globals.has(name);
+            return globals.has(ts.escapeLeadingUnderscores(name));
         }
         function getReferencedValueSymbol(reference, startInDeclarationContainer) {
             var resolvedSymbol = getNodeLinks(reference).resolvedSymbol;
@@ -42235,7 +39300,7 @@ var ts;
                     location = getDeclarationContainer(parent);
                 }
             }
-            return resolveName(location, reference.text, 107455 | 1048576 | 8388608, undefined, undefined);
+            return resolveName(location, reference.escapedText, 107455 | 1048576 | 2097152, undefined, undefined);
         }
         function getReferencedValueDeclaration(reference) {
             if (!ts.isGeneratedIdentifier(reference)) {
@@ -42264,7 +39329,7 @@ var ts;
             var resolvedTypeReferenceDirectives = host.getResolvedTypeReferenceDirectives();
             var fileToDirective;
             if (resolvedTypeReferenceDirectives) {
-                fileToDirective = ts.createFileMap();
+                fileToDirective = ts.createMap();
                 resolvedTypeReferenceDirectives.forEach(function (resolvedDirective, key) {
                     if (!resolvedDirective) {
                         return;
@@ -42371,7 +39436,7 @@ var ts;
                 for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) {
                     var decl = _a[_i];
                     var file = ts.getSourceFileOfNode(decl);
-                    if (fileToDirective.contains(file.path)) {
+                    if (fileToDirective.has(file.path)) {
                         return true;
                     }
                 }
@@ -42448,7 +39513,7 @@ var ts;
                         for (var helper = 1; helper <= 32768; helper <<= 1) {
                             if (uncheckedHelpers & helper) {
                                 var name = getHelperName(helper);
-                                var symbol = getSymbol(helpersModule.exports, ts.escapeIdentifier(name), 107455);
+                                var symbol = getSymbol(helpersModule.exports, ts.escapeLeadingUnderscores(name), 107455);
                                 if (!symbol) {
                                     error(location, ts.Diagnostics.This_syntax_requires_an_imported_helper_named_1_but_module_0_has_no_exported_member_1, ts.externalHelpersModuleNameText, name);
                                 }
@@ -42617,6 +39682,13 @@ var ts;
                         }
                         flags |= 1;
                         break;
+                    case 79:
+                        var container = node.parent.kind === 265 ? node.parent : node.parent.parent;
+                        if (container.kind === 233 && !ts.isAmbientModule(container)) {
+                            return grammarErrorOnNode(modifier, ts.Diagnostics.A_default_export_can_only_be_used_in_an_ECMAScript_style_module);
+                        }
+                        flags |= 512;
+                        break;
                     case 124:
                         if (flags & 2) {
                             return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "declare");
@@ -42647,7 +39719,7 @@ var ts;
                                 node.kind !== 154) {
                                 return grammarErrorOnNode(modifier, ts.Diagnostics.abstract_modifier_can_only_appear_on_a_class_method_or_property_declaration);
                             }
-                            if (!(node.parent.kind === 229 && ts.getModifierFlags(node.parent) & 128)) {
+                            if (!(node.parent.kind === 229 && ts.hasModifier(node.parent, 128))) {
                                 return grammarErrorOnNode(modifier, ts.Diagnostics.Abstract_methods_can_only_appear_within_an_abstract_class);
                             }
                             if (flags & 32) {
@@ -42843,7 +39915,7 @@ var ts;
             if (parameter.dotDotDotToken) {
                 return grammarErrorOnNode(parameter.dotDotDotToken, ts.Diagnostics.An_index_signature_cannot_have_a_rest_parameter);
             }
-            if (ts.getModifierFlags(parameter) !== 0) {
+            if (ts.hasModifiers(parameter)) {
                 return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_parameter_cannot_have_an_accessibility_modifier);
             }
             if (parameter.questionToken) {
@@ -42880,8 +39952,8 @@ var ts;
         function checkGrammarForOmittedArgument(node, args) {
             if (args) {
                 var sourceFile = ts.getSourceFileOfNode(node);
-                for (var _i = 0, args_4 = args; _i < args_4.length; _i++) {
-                    var arg = args_4[_i];
+                for (var _i = 0, args_5 = args; _i < args_5.length; _i++) {
+                    var arg = args_5[_i];
                     if (arg.kind === 200) {
                         return grammarErrorAtPos(sourceFile, arg.pos, 0, ts.Diagnostics.Argument_expression_expected);
                     }
@@ -42983,7 +40055,7 @@ var ts;
             }
         }
         function checkGrammarObjectLiteralExpression(node, inDestructuring) {
-            var seen = ts.createMap();
+            var seen = ts.createUnderscoreEscapedMap();
             var Property = 1;
             var GetAccessor = 2;
             var SetAccessor = 4;
@@ -43055,7 +40127,7 @@ var ts;
             }
         }
         function checkGrammarJsxElement(node) {
-            var seen = ts.createMap();
+            var seen = ts.createUnderscoreEscapedMap();
             for (var _i = 0, _a = node.attributes.properties; _i < _a.length; _i++) {
                 var attr = _a[_i];
                 if (attr.kind === 255) {
@@ -43063,8 +40135,8 @@ var ts;
                 }
                 var jsxAttr = attr;
                 var name = jsxAttr.name;
-                if (!seen.get(name.text)) {
-                    seen.set(name.text, true);
+                if (!seen.get(name.escapedText)) {
+                    seen.set(name.escapedText, true);
                 }
                 else {
                     return grammarErrorOnNode(name, ts.Diagnostics.JSX_elements_cannot_have_multiple_attributes_with_the_same_name);
@@ -43122,10 +40194,10 @@ var ts;
             else if (ts.isInAmbientContext(accessor)) {
                 return grammarErrorOnNode(accessor.name, ts.Diagnostics.An_accessor_cannot_be_declared_in_an_ambient_context);
             }
-            else if (accessor.body === undefined && !(ts.getModifierFlags(accessor) & 128)) {
+            else if (accessor.body === undefined && !ts.hasModifier(accessor, 128)) {
                 return grammarErrorAtPos(ts.getSourceFileOfNode(accessor), accessor.end - 1, ";".length, ts.Diagnostics._0_expected, "{");
             }
-            else if (accessor.body && ts.getModifierFlags(accessor) & 128) {
+            else if (accessor.body && ts.hasModifier(accessor, 128)) {
                 return grammarErrorOnNode(accessor, ts.Diagnostics.An_abstract_accessor_cannot_have_an_implementation);
             }
             else if (accessor.typeParameters) {
@@ -43204,7 +40276,7 @@ var ts;
                 }
                 switch (current.kind) {
                     case 222:
-                        if (node.label && current.label.text === node.label.text) {
+                        if (node.label && current.label.escapedText === node.label.escapedText) {
                             var isMisplacedContinueLabel = node.kind === 217
                                 && !ts.isIterationStatement(current.statement, true);
                             if (isMisplacedContinueLabel) {
@@ -43295,7 +40367,7 @@ var ts;
         }
         function checkESModuleMarker(name) {
             if (name.kind === 71) {
-                if (ts.unescapeIdentifier(name.text) === "__esModule") {
+                if (ts.unescapeLeadingUnderscores(name.escapedText) === "__esModule") {
                     return grammarErrorOnNode(name, ts.Diagnostics.Identifier_expected_esModule_is_reserved_as_an_exported_marker_when_transforming_ECMAScript_modules);
                 }
             }
@@ -43361,8 +40433,8 @@ var ts;
         }
         function checkGrammarMetaProperty(node) {
             if (node.keywordToken === 94) {
-                if (node.name.text !== "target") {
-                    return grammarErrorOnNode(node.name, ts.Diagnostics._0_is_not_a_valid_meta_property_for_keyword_1_Did_you_mean_2, node.name.text, ts.tokenToString(node.keywordToken), "target");
+                if (node.name.escapedText !== "target") {
+                    return grammarErrorOnNode(node.name, ts.Diagnostics._0_is_not_a_valid_meta_property_for_keyword_1_Did_you_mean_2, node.name.escapedText, ts.tokenToString(node.keywordToken), "target");
                 }
             }
         }
@@ -43434,7 +40506,7 @@ var ts;
                 node.kind === 244 ||
                 node.kind === 243 ||
                 node.kind === 236 ||
-                ts.getModifierFlags(node) & (2 | 1 | 512)) {
+                ts.hasModifier(node, 2 | 1 | 512)) {
                 return false;
             }
             return grammarErrorOnFirstToken(node, ts.Diagnostics.A_declare_modifier_is_required_for_a_top_level_declaration_in_a_d_ts_file);
@@ -43501,7 +40573,7 @@ var ts;
         function getAmbientModules() {
             var result = [];
             globals.forEach(function (global, sym) {
-                if (ambientModuleSymbolRegex.test(sym)) {
+                if (ambientModuleSymbolRegex.test(ts.unescapeLeadingUnderscores(sym))) {
                     result.push(global);
                 }
             });
@@ -43533,6 +40605,3460 @@ var ts;
                 return ts.isDeclarationName(name);
         }
     }
+    function isSomeImportDeclaration(decl) {
+        switch (decl.kind) {
+            case 239:
+            case 237:
+            case 240:
+            case 242:
+                return true;
+            case 71:
+                return decl.parent.kind === 242;
+            default:
+                return false;
+        }
+    }
+})(ts || (ts = {}));
+var ts;
+(function (ts) {
+    function createSynthesizedNode(kind) {
+        var node = ts.createNode(kind, -1, -1);
+        node.flags |= 8;
+        return node;
+    }
+    function updateNode(updated, original) {
+        if (updated !== original) {
+            setOriginalNode(updated, original);
+            setTextRange(updated, original);
+            if (original.startsOnNewLine) {
+                updated.startsOnNewLine = true;
+            }
+            ts.aggregateTransformFlags(updated);
+        }
+        return updated;
+    }
+    ts.updateNode = updateNode;
+    function createNodeArray(elements, hasTrailingComma) {
+        if (elements) {
+            if (ts.isNodeArray(elements)) {
+                return elements;
+            }
+        }
+        else {
+            elements = [];
+        }
+        var array = elements;
+        array.pos = -1;
+        array.end = -1;
+        array.hasTrailingComma = hasTrailingComma;
+        return array;
+    }
+    ts.createNodeArray = createNodeArray;
+    function getSynthesizedClone(node) {
+        var clone = createSynthesizedNode(node.kind);
+        clone.flags |= node.flags;
+        setOriginalNode(clone, node);
+        for (var key in node) {
+            if (clone.hasOwnProperty(key) || !node.hasOwnProperty(key)) {
+                continue;
+            }
+            clone[key] = node[key];
+        }
+        return clone;
+    }
+    ts.getSynthesizedClone = getSynthesizedClone;
+    function createLiteral(value) {
+        if (typeof value === "number") {
+            return createNumericLiteral(value + "");
+        }
+        if (typeof value === "boolean") {
+            return value ? createTrue() : createFalse();
+        }
+        if (typeof value === "string") {
+            return createStringLiteral(value);
+        }
+        return createLiteralFromNode(value);
+    }
+    ts.createLiteral = createLiteral;
+    function createNumericLiteral(value) {
+        var node = createSynthesizedNode(8);
+        node.text = value;
+        node.numericLiteralFlags = 0;
+        return node;
+    }
+    ts.createNumericLiteral = createNumericLiteral;
+    function createStringLiteral(text) {
+        var node = createSynthesizedNode(9);
+        node.text = text;
+        return node;
+    }
+    function createLiteralFromNode(sourceNode) {
+        var node = createStringLiteral(ts.getTextOfIdentifierOrLiteral(sourceNode));
+        node.textSourceNode = sourceNode;
+        return node;
+    }
+    function createIdentifier(text, typeArguments) {
+        var node = createSynthesizedNode(71);
+        node.escapedText = ts.escapeLeadingUnderscores(text);
+        node.originalKeywordKind = text ? ts.stringToToken(text) : 0;
+        node.autoGenerateKind = 0;
+        node.autoGenerateId = 0;
+        if (typeArguments) {
+            node.typeArguments = createNodeArray(typeArguments);
+        }
+        return node;
+    }
+    ts.createIdentifier = createIdentifier;
+    function updateIdentifier(node, typeArguments) {
+        return node.typeArguments !== typeArguments
+            ? updateNode(createIdentifier(ts.unescapeLeadingUnderscores(node.escapedText), typeArguments), node)
+            : node;
+    }
+    ts.updateIdentifier = updateIdentifier;
+    var nextAutoGenerateId = 0;
+    function createTempVariable(recordTempVariable) {
+        var name = createIdentifier("");
+        name.autoGenerateKind = 1;
+        name.autoGenerateId = nextAutoGenerateId;
+        nextAutoGenerateId++;
+        if (recordTempVariable) {
+            recordTempVariable(name);
+        }
+        return name;
+    }
+    ts.createTempVariable = createTempVariable;
+    function createLoopVariable() {
+        var name = createIdentifier("");
+        name.autoGenerateKind = 2;
+        name.autoGenerateId = nextAutoGenerateId;
+        nextAutoGenerateId++;
+        return name;
+    }
+    ts.createLoopVariable = createLoopVariable;
+    function createUniqueName(text) {
+        var name = createIdentifier(text);
+        name.autoGenerateKind = 3;
+        name.autoGenerateId = nextAutoGenerateId;
+        nextAutoGenerateId++;
+        return name;
+    }
+    ts.createUniqueName = createUniqueName;
+    function getGeneratedNameForNode(node) {
+        var name = createIdentifier("");
+        name.autoGenerateKind = 4;
+        name.autoGenerateId = nextAutoGenerateId;
+        name.original = node;
+        nextAutoGenerateId++;
+        return name;
+    }
+    ts.getGeneratedNameForNode = getGeneratedNameForNode;
+    function createToken(token) {
+        return createSynthesizedNode(token);
+    }
+    ts.createToken = createToken;
+    function createSuper() {
+        return createSynthesizedNode(97);
+    }
+    ts.createSuper = createSuper;
+    function createThis() {
+        return createSynthesizedNode(99);
+    }
+    ts.createThis = createThis;
+    function createNull() {
+        return createSynthesizedNode(95);
+    }
+    ts.createNull = createNull;
+    function createTrue() {
+        return createSynthesizedNode(101);
+    }
+    ts.createTrue = createTrue;
+    function createFalse() {
+        return createSynthesizedNode(86);
+    }
+    ts.createFalse = createFalse;
+    function createQualifiedName(left, right) {
+        var node = createSynthesizedNode(143);
+        node.left = left;
+        node.right = asName(right);
+        return node;
+    }
+    ts.createQualifiedName = createQualifiedName;
+    function updateQualifiedName(node, left, right) {
+        return node.left !== left
+            || node.right !== right
+            ? updateNode(createQualifiedName(left, right), node)
+            : node;
+    }
+    ts.updateQualifiedName = updateQualifiedName;
+    function createComputedPropertyName(expression) {
+        var node = createSynthesizedNode(144);
+        node.expression = expression;
+        return node;
+    }
+    ts.createComputedPropertyName = createComputedPropertyName;
+    function updateComputedPropertyName(node, expression) {
+        return node.expression !== expression
+            ? updateNode(createComputedPropertyName(expression), node)
+            : node;
+    }
+    ts.updateComputedPropertyName = updateComputedPropertyName;
+    function createTypeParameterDeclaration(name, constraint, defaultType) {
+        var node = createSynthesizedNode(145);
+        node.name = asName(name);
+        node.constraint = constraint;
+        node.default = defaultType;
+        return node;
+    }
+    ts.createTypeParameterDeclaration = createTypeParameterDeclaration;
+    function updateTypeParameterDeclaration(node, name, constraint, defaultType) {
+        return node.name !== name
+            || node.constraint !== constraint
+            || node.default !== defaultType
+            ? updateNode(createTypeParameterDeclaration(name, constraint, defaultType), node)
+            : node;
+    }
+    ts.updateTypeParameterDeclaration = updateTypeParameterDeclaration;
+    function createParameter(decorators, modifiers, dotDotDotToken, name, questionToken, type, initializer) {
+        var node = createSynthesizedNode(146);
+        node.decorators = asNodeArray(decorators);
+        node.modifiers = asNodeArray(modifiers);
+        node.dotDotDotToken = dotDotDotToken;
+        node.name = asName(name);
+        node.questionToken = questionToken;
+        node.type = type;
+        node.initializer = initializer ? ts.parenthesizeExpressionForList(initializer) : undefined;
+        return node;
+    }
+    ts.createParameter = createParameter;
+    function updateParameter(node, decorators, modifiers, dotDotDotToken, name, questionToken, type, initializer) {
+        return node.decorators !== decorators
+            || node.modifiers !== modifiers
+            || node.dotDotDotToken !== dotDotDotToken
+            || node.name !== name
+            || node.questionToken !== questionToken
+            || node.type !== type
+            || node.initializer !== initializer
+            ? updateNode(createParameter(decorators, modifiers, dotDotDotToken, name, questionToken, type, initializer), node)
+            : node;
+    }
+    ts.updateParameter = updateParameter;
+    function createDecorator(expression) {
+        var node = createSynthesizedNode(147);
+        node.expression = ts.parenthesizeForAccess(expression);
+        return node;
+    }
+    ts.createDecorator = createDecorator;
+    function updateDecorator(node, expression) {
+        return node.expression !== expression
+            ? updateNode(createDecorator(expression), node)
+            : node;
+    }
+    ts.updateDecorator = updateDecorator;
+    function createPropertySignature(modifiers, name, questionToken, type, initializer) {
+        var node = createSynthesizedNode(148);
+        node.modifiers = asNodeArray(modifiers);
+        node.name = asName(name);
+        node.questionToken = questionToken;
+        node.type = type;
+        node.initializer = initializer;
+        return node;
+    }
+    ts.createPropertySignature = createPropertySignature;
+    function updatePropertySignature(node, modifiers, name, questionToken, type, initializer) {
+        return node.modifiers !== modifiers
+            || node.name !== name
+            || node.questionToken !== questionToken
+            || node.type !== type
+            || node.initializer !== initializer
+            ? updateNode(createPropertySignature(modifiers, name, questionToken, type, initializer), node)
+            : node;
+    }
+    ts.updatePropertySignature = updatePropertySignature;
+    function createProperty(decorators, modifiers, name, questionToken, type, initializer) {
+        var node = createSynthesizedNode(149);
+        node.decorators = asNodeArray(decorators);
+        node.modifiers = asNodeArray(modifiers);
+        node.name = asName(name);
+        node.questionToken = questionToken;
+        node.type = type;
+        node.initializer = initializer;
+        return node;
+    }
+    ts.createProperty = createProperty;
+    function updateProperty(node, decorators, modifiers, name, questionToken, type, initializer) {
+        return node.decorators !== decorators
+            || node.modifiers !== modifiers
+            || node.name !== name
+            || node.questionToken !== questionToken
+            || node.type !== type
+            || node.initializer !== initializer
+            ? updateNode(createProperty(decorators, modifiers, name, questionToken, type, initializer), node)
+            : node;
+    }
+    ts.updateProperty = updateProperty;
+    function createMethodSignature(typeParameters, parameters, type, name, questionToken) {
+        var node = createSignatureDeclaration(150, typeParameters, parameters, type);
+        node.name = asName(name);
+        node.questionToken = questionToken;
+        return node;
+    }
+    ts.createMethodSignature = createMethodSignature;
+    function updateMethodSignature(node, typeParameters, parameters, type, name, questionToken) {
+        return node.typeParameters !== typeParameters
+            || node.parameters !== parameters
+            || node.type !== type
+            || node.name !== name
+            || node.questionToken !== questionToken
+            ? updateNode(createMethodSignature(typeParameters, parameters, type, name, questionToken), node)
+            : node;
+    }
+    ts.updateMethodSignature = updateMethodSignature;
+    function createMethod(decorators, modifiers, asteriskToken, name, questionToken, typeParameters, parameters, type, body) {
+        var node = createSynthesizedNode(151);
+        node.decorators = asNodeArray(decorators);
+        node.modifiers = asNodeArray(modifiers);
+        node.asteriskToken = asteriskToken;
+        node.name = asName(name);
+        node.questionToken = questionToken;
+        node.typeParameters = asNodeArray(typeParameters);
+        node.parameters = createNodeArray(parameters);
+        node.type = type;
+        node.body = body;
+        return node;
+    }
+    ts.createMethod = createMethod;
+    function updateMethod(node, decorators, modifiers, asteriskToken, name, questionToken, typeParameters, parameters, type, body) {
+        return node.decorators !== decorators
+            || node.modifiers !== modifiers
+            || node.asteriskToken !== asteriskToken
+            || node.name !== name
+            || node.questionToken !== questionToken
+            || node.typeParameters !== typeParameters
+            || node.parameters !== parameters
+            || node.type !== type
+            || node.body !== body
+            ? updateNode(createMethod(decorators, modifiers, asteriskToken, name, questionToken, typeParameters, parameters, type, body), node)
+            : node;
+    }
+    ts.updateMethod = updateMethod;
+    function createConstructor(decorators, modifiers, parameters, body) {
+        var node = createSynthesizedNode(152);
+        node.decorators = asNodeArray(decorators);
+        node.modifiers = asNodeArray(modifiers);
+        node.typeParameters = undefined;
+        node.parameters = createNodeArray(parameters);
+        node.type = undefined;
+        node.body = body;
+        return node;
+    }
+    ts.createConstructor = createConstructor;
+    function updateConstructor(node, decorators, modifiers, parameters, body) {
+        return node.decorators !== decorators
+            || node.modifiers !== modifiers
+            || node.parameters !== parameters
+            || node.body !== body
+            ? updateNode(createConstructor(decorators, modifiers, parameters, body), node)
+            : node;
+    }
+    ts.updateConstructor = updateConstructor;
+    function createGetAccessor(decorators, modifiers, name, parameters, type, body) {
+        var node = createSynthesizedNode(153);
+        node.decorators = asNodeArray(decorators);
+        node.modifiers = asNodeArray(modifiers);
+        node.name = asName(name);
+        node.typeParameters = undefined;
+        node.parameters = createNodeArray(parameters);
+        node.type = type;
+        node.body = body;
+        return node;
+    }
+    ts.createGetAccessor = createGetAccessor;
+    function updateGetAccessor(node, decorators, modifiers, name, parameters, type, body) {
+        return node.decorators !== decorators
+            || node.modifiers !== modifiers
+            || node.name !== name
+            || node.parameters !== parameters
+            || node.type !== type
+            || node.body !== body
+            ? updateNode(createGetAccessor(decorators, modifiers, name, parameters, type, body), node)
+            : node;
+    }
+    ts.updateGetAccessor = updateGetAccessor;
+    function createSetAccessor(decorators, modifiers, name, parameters, body) {
+        var node = createSynthesizedNode(154);
+        node.decorators = asNodeArray(decorators);
+        node.modifiers = asNodeArray(modifiers);
+        node.name = asName(name);
+        node.typeParameters = undefined;
+        node.parameters = createNodeArray(parameters);
+        node.body = body;
+        return node;
+    }
+    ts.createSetAccessor = createSetAccessor;
+    function updateSetAccessor(node, decorators, modifiers, name, parameters, body) {
+        return node.decorators !== decorators
+            || node.modifiers !== modifiers
+            || node.name !== name
+            || node.parameters !== parameters
+            || node.body !== body
+            ? updateNode(createSetAccessor(decorators, modifiers, name, parameters, body), node)
+            : node;
+    }
+    ts.updateSetAccessor = updateSetAccessor;
+    function createCallSignature(typeParameters, parameters, type) {
+        return createSignatureDeclaration(155, typeParameters, parameters, type);
+    }
+    ts.createCallSignature = createCallSignature;
+    function updateCallSignature(node, typeParameters, parameters, type) {
+        return updateSignatureDeclaration(node, typeParameters, parameters, type);
+    }
+    ts.updateCallSignature = updateCallSignature;
+    function createConstructSignature(typeParameters, parameters, type) {
+        return createSignatureDeclaration(156, typeParameters, parameters, type);
+    }
+    ts.createConstructSignature = createConstructSignature;
+    function updateConstructSignature(node, typeParameters, parameters, type) {
+        return updateSignatureDeclaration(node, typeParameters, parameters, type);
+    }
+    ts.updateConstructSignature = updateConstructSignature;
+    function createIndexSignature(decorators, modifiers, parameters, type) {
+        var node = createSynthesizedNode(157);
+        node.decorators = asNodeArray(decorators);
+        node.modifiers = asNodeArray(modifiers);
+        node.parameters = createNodeArray(parameters);
+        node.type = type;
+        return node;
+    }
+    ts.createIndexSignature = createIndexSignature;
+    function updateIndexSignature(node, decorators, modifiers, parameters, type) {
+        return node.parameters !== parameters
+            || node.type !== type
+            || node.decorators !== decorators
+            || node.modifiers !== modifiers
+            ? updateNode(createIndexSignature(decorators, modifiers, parameters, type), node)
+            : node;
+    }
+    ts.updateIndexSignature = updateIndexSignature;
+    function createSignatureDeclaration(kind, typeParameters, parameters, type) {
+        var node = createSynthesizedNode(kind);
+        node.typeParameters = asNodeArray(typeParameters);
+        node.parameters = asNodeArray(parameters);
+        node.type = type;
+        return node;
+    }
+    ts.createSignatureDeclaration = createSignatureDeclaration;
+    function updateSignatureDeclaration(node, typeParameters, parameters, type) {
+        return node.typeParameters !== typeParameters
+            || node.parameters !== parameters
+            || node.type !== type
+            ? updateNode(createSignatureDeclaration(node.kind, typeParameters, parameters, type), node)
+            : node;
+    }
+    function createKeywordTypeNode(kind) {
+        return createSynthesizedNode(kind);
+    }
+    ts.createKeywordTypeNode = createKeywordTypeNode;
+    function createTypePredicateNode(parameterName, type) {
+        var node = createSynthesizedNode(158);
+        node.parameterName = asName(parameterName);
+        node.type = type;
+        return node;
+    }
+    ts.createTypePredicateNode = createTypePredicateNode;
+    function updateTypePredicateNode(node, parameterName, type) {
+        return node.parameterName !== parameterName
+            || node.type !== type
+            ? updateNode(createTypePredicateNode(parameterName, type), node)
+            : node;
+    }
+    ts.updateTypePredicateNode = updateTypePredicateNode;
+    function createTypeReferenceNode(typeName, typeArguments) {
+        var node = createSynthesizedNode(159);
+        node.typeName = asName(typeName);
+        node.typeArguments = typeArguments && ts.parenthesizeTypeParameters(typeArguments);
+        return node;
+    }
+    ts.createTypeReferenceNode = createTypeReferenceNode;
+    function updateTypeReferenceNode(node, typeName, typeArguments) {
+        return node.typeName !== typeName
+            || node.typeArguments !== typeArguments
+            ? updateNode(createTypeReferenceNode(typeName, typeArguments), node)
+            : node;
+    }
+    ts.updateTypeReferenceNode = updateTypeReferenceNode;
+    function createFunctionTypeNode(typeParameters, parameters, type) {
+        return createSignatureDeclaration(160, typeParameters, parameters, type);
+    }
+    ts.createFunctionTypeNode = createFunctionTypeNode;
+    function updateFunctionTypeNode(node, typeParameters, parameters, type) {
+        return updateSignatureDeclaration(node, typeParameters, parameters, type);
+    }
+    ts.updateFunctionTypeNode = updateFunctionTypeNode;
+    function createConstructorTypeNode(typeParameters, parameters, type) {
+        return createSignatureDeclaration(161, typeParameters, parameters, type);
+    }
+    ts.createConstructorTypeNode = createConstructorTypeNode;
+    function updateConstructorTypeNode(node, typeParameters, parameters, type) {
+        return updateSignatureDeclaration(node, typeParameters, parameters, type);
+    }
+    ts.updateConstructorTypeNode = updateConstructorTypeNode;
+    function createTypeQueryNode(exprName) {
+        var node = createSynthesizedNode(162);
+        node.exprName = exprName;
+        return node;
+    }
+    ts.createTypeQueryNode = createTypeQueryNode;
+    function updateTypeQueryNode(node, exprName) {
+        return node.exprName !== exprName
+            ? updateNode(createTypeQueryNode(exprName), node)
+            : node;
+    }
+    ts.updateTypeQueryNode = updateTypeQueryNode;
+    function createTypeLiteralNode(members) {
+        var node = createSynthesizedNode(163);
+        node.members = createNodeArray(members);
+        return node;
+    }
+    ts.createTypeLiteralNode = createTypeLiteralNode;
+    function updateTypeLiteralNode(node, members) {
+        return node.members !== members
+            ? updateNode(createTypeLiteralNode(members), node)
+            : node;
+    }
+    ts.updateTypeLiteralNode = updateTypeLiteralNode;
+    function createArrayTypeNode(elementType) {
+        var node = createSynthesizedNode(164);
+        node.elementType = ts.parenthesizeArrayTypeMember(elementType);
+        return node;
+    }
+    ts.createArrayTypeNode = createArrayTypeNode;
+    function updateArrayTypeNode(node, elementType) {
+        return node.elementType !== elementType
+            ? updateNode(createArrayTypeNode(elementType), node)
+            : node;
+    }
+    ts.updateArrayTypeNode = updateArrayTypeNode;
+    function createTupleTypeNode(elementTypes) {
+        var node = createSynthesizedNode(165);
+        node.elementTypes = createNodeArray(elementTypes);
+        return node;
+    }
+    ts.createTupleTypeNode = createTupleTypeNode;
+    function updateTypleTypeNode(node, elementTypes) {
+        return node.elementTypes !== elementTypes
+            ? updateNode(createTupleTypeNode(elementTypes), node)
+            : node;
+    }
+    ts.updateTypleTypeNode = updateTypleTypeNode;
+    function createUnionTypeNode(types) {
+        return createUnionOrIntersectionTypeNode(166, types);
+    }
+    ts.createUnionTypeNode = createUnionTypeNode;
+    function updateUnionTypeNode(node, types) {
+        return updateUnionOrIntersectionTypeNode(node, types);
+    }
+    ts.updateUnionTypeNode = updateUnionTypeNode;
+    function createIntersectionTypeNode(types) {
+        return createUnionOrIntersectionTypeNode(167, types);
+    }
+    ts.createIntersectionTypeNode = createIntersectionTypeNode;
+    function updateIntersectionTypeNode(node, types) {
+        return updateUnionOrIntersectionTypeNode(node, types);
+    }
+    ts.updateIntersectionTypeNode = updateIntersectionTypeNode;
+    function createUnionOrIntersectionTypeNode(kind, types) {
+        var node = createSynthesizedNode(kind);
+        node.types = ts.parenthesizeElementTypeMembers(types);
+        return node;
+    }
+    ts.createUnionOrIntersectionTypeNode = createUnionOrIntersectionTypeNode;
+    function updateUnionOrIntersectionTypeNode(node, types) {
+        return node.types !== types
+            ? updateNode(createUnionOrIntersectionTypeNode(node.kind, types), node)
+            : node;
+    }
+    function createParenthesizedType(type) {
+        var node = createSynthesizedNode(168);
+        node.type = type;
+        return node;
+    }
+    ts.createParenthesizedType = createParenthesizedType;
+    function updateParenthesizedType(node, type) {
+        return node.type !== type
+            ? updateNode(createParenthesizedType(type), node)
+            : node;
+    }
+    ts.updateParenthesizedType = updateParenthesizedType;
+    function createThisTypeNode() {
+        return createSynthesizedNode(169);
+    }
+    ts.createThisTypeNode = createThisTypeNode;
+    function createTypeOperatorNode(type) {
+        var node = createSynthesizedNode(170);
+        node.operator = 127;
+        node.type = ts.parenthesizeElementTypeMember(type);
+        return node;
+    }
+    ts.createTypeOperatorNode = createTypeOperatorNode;
+    function updateTypeOperatorNode(node, type) {
+        return node.type !== type ? updateNode(createTypeOperatorNode(type), node) : node;
+    }
+    ts.updateTypeOperatorNode = updateTypeOperatorNode;
+    function createIndexedAccessTypeNode(objectType, indexType) {
+        var node = createSynthesizedNode(171);
+        node.objectType = ts.parenthesizeElementTypeMember(objectType);
+        node.indexType = indexType;
+        return node;
+    }
+    ts.createIndexedAccessTypeNode = createIndexedAccessTypeNode;
+    function updateIndexedAccessTypeNode(node, objectType, indexType) {
+        return node.objectType !== objectType
+            || node.indexType !== indexType
+            ? updateNode(createIndexedAccessTypeNode(objectType, indexType), node)
+            : node;
+    }
+    ts.updateIndexedAccessTypeNode = updateIndexedAccessTypeNode;
+    function createMappedTypeNode(readonlyToken, typeParameter, questionToken, type) {
+        var node = createSynthesizedNode(172);
+        node.readonlyToken = readonlyToken;
+        node.typeParameter = typeParameter;
+        node.questionToken = questionToken;
+        node.type = type;
+        return node;
+    }
+    ts.createMappedTypeNode = createMappedTypeNode;
+    function updateMappedTypeNode(node, readonlyToken, typeParameter, questionToken, type) {
+        return node.readonlyToken !== readonlyToken
+            || node.typeParameter !== typeParameter
+            || node.questionToken !== questionToken
+            || node.type !== type
+            ? updateNode(createMappedTypeNode(readonlyToken, typeParameter, questionToken, type), node)
+            : node;
+    }
+    ts.updateMappedTypeNode = updateMappedTypeNode;
+    function createLiteralTypeNode(literal) {
+        var node = createSynthesizedNode(173);
+        node.literal = literal;
+        return node;
+    }
+    ts.createLiteralTypeNode = createLiteralTypeNode;
+    function updateLiteralTypeNode(node, literal) {
+        return node.literal !== literal
+            ? updateNode(createLiteralTypeNode(literal), node)
+            : node;
+    }
+    ts.updateLiteralTypeNode = updateLiteralTypeNode;
+    function createObjectBindingPattern(elements) {
+        var node = createSynthesizedNode(174);
+        node.elements = createNodeArray(elements);
+        return node;
+    }
+    ts.createObjectBindingPattern = createObjectBindingPattern;
+    function updateObjectBindingPattern(node, elements) {
+        return node.elements !== elements
+            ? updateNode(createObjectBindingPattern(elements), node)
+            : node;
+    }
+    ts.updateObjectBindingPattern = updateObjectBindingPattern;
+    function createArrayBindingPattern(elements) {
+        var node = createSynthesizedNode(175);
+        node.elements = createNodeArray(elements);
+        return node;
+    }
+    ts.createArrayBindingPattern = createArrayBindingPattern;
+    function updateArrayBindingPattern(node, elements) {
+        return node.elements !== elements
+            ? updateNode(createArrayBindingPattern(elements), node)
+            : node;
+    }
+    ts.updateArrayBindingPattern = updateArrayBindingPattern;
+    function createBindingElement(dotDotDotToken, propertyName, name, initializer) {
+        var node = createSynthesizedNode(176);
+        node.dotDotDotToken = dotDotDotToken;
+        node.propertyName = asName(propertyName);
+        node.name = asName(name);
+        node.initializer = initializer;
+        return node;
+    }
+    ts.createBindingElement = createBindingElement;
+    function updateBindingElement(node, dotDotDotToken, propertyName, name, initializer) {
+        return node.propertyName !== propertyName
+            || node.dotDotDotToken !== dotDotDotToken
+            || node.name !== name
+            || node.initializer !== initializer
+            ? updateNode(createBindingElement(dotDotDotToken, propertyName, name, initializer), node)
+            : node;
+    }
+    ts.updateBindingElement = updateBindingElement;
+    function createArrayLiteral(elements, multiLine) {
+        var node = createSynthesizedNode(177);
+        node.elements = ts.parenthesizeListElements(createNodeArray(elements));
+        if (multiLine)
+            node.multiLine = true;
+        return node;
+    }
+    ts.createArrayLiteral = createArrayLiteral;
+    function updateArrayLiteral(node, elements) {
+        return node.elements !== elements
+            ? updateNode(createArrayLiteral(elements, node.multiLine), node)
+            : node;
+    }
+    ts.updateArrayLiteral = updateArrayLiteral;
+    function createObjectLiteral(properties, multiLine) {
+        var node = createSynthesizedNode(178);
+        node.properties = createNodeArray(properties);
+        if (multiLine)
+            node.multiLine = true;
+        return node;
+    }
+    ts.createObjectLiteral = createObjectLiteral;
+    function updateObjectLiteral(node, properties) {
+        return node.properties !== properties
+            ? updateNode(createObjectLiteral(properties, node.multiLine), node)
+            : node;
+    }
+    ts.updateObjectLiteral = updateObjectLiteral;
+    function createPropertyAccess(expression, name) {
+        var node = createSynthesizedNode(179);
+        node.expression = ts.parenthesizeForAccess(expression);
+        node.name = asName(name);
+        setEmitFlags(node, 131072);
+        return node;
+    }
+    ts.createPropertyAccess = createPropertyAccess;
+    function updatePropertyAccess(node, expression, name) {
+        return node.expression !== expression
+            || node.name !== name
+            ? updateNode(setEmitFlags(createPropertyAccess(expression, name), ts.getEmitFlags(node)), node)
+            : node;
+    }
+    ts.updatePropertyAccess = updatePropertyAccess;
+    function createElementAccess(expression, index) {
+        var node = createSynthesizedNode(180);
+        node.expression = ts.parenthesizeForAccess(expression);
+        node.argumentExpression = asExpression(index);
+        return node;
+    }
+    ts.createElementAccess = createElementAccess;
+    function updateElementAccess(node, expression, argumentExpression) {
+        return node.expression !== expression
+            || node.argumentExpression !== argumentExpression
+            ? updateNode(createElementAccess(expression, argumentExpression), node)
+            : node;
+    }
+    ts.updateElementAccess = updateElementAccess;
+    function createCall(expression, typeArguments, argumentsArray) {
+        var node = createSynthesizedNode(181);
+        node.expression = ts.parenthesizeForAccess(expression);
+        node.typeArguments = asNodeArray(typeArguments);
+        node.arguments = ts.parenthesizeListElements(createNodeArray(argumentsArray));
+        return node;
+    }
+    ts.createCall = createCall;
+    function updateCall(node, expression, typeArguments, argumentsArray) {
+        return node.expression !== expression
+            || node.typeArguments !== typeArguments
+            || node.arguments !== argumentsArray
+            ? updateNode(createCall(expression, typeArguments, argumentsArray), node)
+            : node;
+    }
+    ts.updateCall = updateCall;
+    function createNew(expression, typeArguments, argumentsArray) {
+        var node = createSynthesizedNode(182);
+        node.expression = ts.parenthesizeForNew(expression);
+        node.typeArguments = asNodeArray(typeArguments);
+        node.arguments = argumentsArray ? ts.parenthesizeListElements(createNodeArray(argumentsArray)) : undefined;
+        return node;
+    }
+    ts.createNew = createNew;
+    function updateNew(node, expression, typeArguments, argumentsArray) {
+        return node.expression !== expression
+            || node.typeArguments !== typeArguments
+            || node.arguments !== argumentsArray
+            ? updateNode(createNew(expression, typeArguments, argumentsArray), node)
+            : node;
+    }
+    ts.updateNew = updateNew;
+    function createTaggedTemplate(tag, template) {
+        var node = createSynthesizedNode(183);
+        node.tag = ts.parenthesizeForAccess(tag);
+        node.template = template;
+        return node;
+    }
+    ts.createTaggedTemplate = createTaggedTemplate;
+    function updateTaggedTemplate(node, tag, template) {
+        return node.tag !== tag
+            || node.template !== template
+            ? updateNode(createTaggedTemplate(tag, template), node)
+            : node;
+    }
+    ts.updateTaggedTemplate = updateTaggedTemplate;
+    function createTypeAssertion(type, expression) {
+        var node = createSynthesizedNode(184);
+        node.type = type;
+        node.expression = ts.parenthesizePrefixOperand(expression);
+        return node;
+    }
+    ts.createTypeAssertion = createTypeAssertion;
+    function updateTypeAssertion(node, type, expression) {
+        return node.type !== type
+            || node.expression !== expression
+            ? updateNode(createTypeAssertion(type, expression), node)
+            : node;
+    }
+    ts.updateTypeAssertion = updateTypeAssertion;
+    function createParen(expression) {
+        var node = createSynthesizedNode(185);
+        node.expression = expression;
+        return node;
+    }
+    ts.createParen = createParen;
+    function updateParen(node, expression) {
+        return node.expression !== expression
+            ? updateNode(createParen(expression), node)
+            : node;
+    }
+    ts.updateParen = updateParen;
+    function createFunctionExpression(modifiers, asteriskToken, name, typeParameters, parameters, type, body) {
+        var node = createSynthesizedNode(186);
+        node.modifiers = asNodeArray(modifiers);
+        node.asteriskToken = asteriskToken;
+        node.name = asName(name);
+        node.typeParameters = asNodeArray(typeParameters);
+        node.parameters = createNodeArray(parameters);
+        node.type = type;
+        node.body = body;
+        return node;
+    }
+    ts.createFunctionExpression = createFunctionExpression;
+    function updateFunctionExpression(node, modifiers, asteriskToken, name, typeParameters, parameters, type, body) {
+        return node.name !== name
+            || node.modifiers !== modifiers
+            || node.asteriskToken !== asteriskToken
+            || node.typeParameters !== typeParameters
+            || node.parameters !== parameters
+            || node.type !== type
+            || node.body !== body
+            ? updateNode(createFunctionExpression(modifiers, asteriskToken, name, typeParameters, parameters, type, body), node)
+            : node;
+    }
+    ts.updateFunctionExpression = updateFunctionExpression;
+    function createArrowFunction(modifiers, typeParameters, parameters, type, equalsGreaterThanToken, body) {
+        var node = createSynthesizedNode(187);
+        node.modifiers = asNodeArray(modifiers);
+        node.typeParameters = asNodeArray(typeParameters);
+        node.parameters = createNodeArray(parameters);
+        node.type = type;
+        node.equalsGreaterThanToken = equalsGreaterThanToken || createToken(36);
+        node.body = ts.parenthesizeConciseBody(body);
+        return node;
+    }
+    ts.createArrowFunction = createArrowFunction;
+    function updateArrowFunction(node, modifiers, typeParameters, parameters, type, equalsGreaterThanTokenOrBody, bodyOrUndefined) {
+        var equalsGreaterThanToken;
+        var body;
+        if (bodyOrUndefined === undefined) {
+            equalsGreaterThanToken = node.equalsGreaterThanToken;
+            body = ts.cast(equalsGreaterThanTokenOrBody, ts.isConciseBody);
+        }
+        else {
+            equalsGreaterThanToken = ts.cast(equalsGreaterThanTokenOrBody, function (n) {
+                return n.kind === 36;
+            });
+            body = bodyOrUndefined;
+        }
+        return node.modifiers !== modifiers
+            || node.typeParameters !== typeParameters
+            || node.parameters !== parameters
+            || node.type !== type
+            || node.equalsGreaterThanToken !== equalsGreaterThanToken
+            || node.body !== body
+            ? updateNode(createArrowFunction(modifiers, typeParameters, parameters, type, equalsGreaterThanToken, body), node)
+            : node;
+    }
+    ts.updateArrowFunction = updateArrowFunction;
+    function createDelete(expression) {
+        var node = createSynthesizedNode(188);
+        node.expression = ts.parenthesizePrefixOperand(expression);
+        return node;
+    }
+    ts.createDelete = createDelete;
+    function updateDelete(node, expression) {
+        return node.expression !== expression
+            ? updateNode(createDelete(expression), node)
+            : node;
+    }
+    ts.updateDelete = updateDelete;
+    function createTypeOf(expression) {
+        var node = createSynthesizedNode(189);
+        node.expression = ts.parenthesizePrefixOperand(expression);
+        return node;
+    }
+    ts.createTypeOf = createTypeOf;
+    function updateTypeOf(node, expression) {
+        return node.expression !== expression
+            ? updateNode(createTypeOf(expression), node)
+            : node;
+    }
+    ts.updateTypeOf = updateTypeOf;
+    function createVoid(expression) {
+        var node = createSynthesizedNode(190);
+        node.expression = ts.parenthesizePrefixOperand(expression);
+        return node;
+    }
+    ts.createVoid = createVoid;
+    function updateVoid(node, expression) {
+        return node.expression !== expression
+            ? updateNode(createVoid(expression), node)
+            : node;
+    }
+    ts.updateVoid = updateVoid;
+    function createAwait(expression) {
+        var node = createSynthesizedNode(191);
+        node.expression = ts.parenthesizePrefixOperand(expression);
+        return node;
+    }
+    ts.createAwait = createAwait;
+    function updateAwait(node, expression) {
+        return node.expression !== expression
+            ? updateNode(createAwait(expression), node)
+            : node;
+    }
+    ts.updateAwait = updateAwait;
+    function createPrefix(operator, operand) {
+        var node = createSynthesizedNode(192);
+        node.operator = operator;
+        node.operand = ts.parenthesizePrefixOperand(operand);
+        return node;
+    }
+    ts.createPrefix = createPrefix;
+    function updatePrefix(node, operand) {
+        return node.operand !== operand
+            ? updateNode(createPrefix(node.operator, operand), node)
+            : node;
+    }
+    ts.updatePrefix = updatePrefix;
+    function createPostfix(operand, operator) {
+        var node = createSynthesizedNode(193);
+        node.operand = ts.parenthesizePostfixOperand(operand);
+        node.operator = operator;
+        return node;
+    }
+    ts.createPostfix = createPostfix;
+    function updatePostfix(node, operand) {
+        return node.operand !== operand
+            ? updateNode(createPostfix(operand, node.operator), node)
+            : node;
+    }
+    ts.updatePostfix = updatePostfix;
+    function createBinary(left, operator, right) {
+        var node = createSynthesizedNode(194);
+        var operatorToken = asToken(operator);
+        var operatorKind = operatorToken.kind;
+        node.left = ts.parenthesizeBinaryOperand(operatorKind, left, true, undefined);
+        node.operatorToken = operatorToken;
+        node.right = ts.parenthesizeBinaryOperand(operatorKind, right, false, node.left);
+        return node;
+    }
+    ts.createBinary = createBinary;
+    function updateBinary(node, left, right, operator) {
+        return node.left !== left
+            || node.right !== right
+            ? updateNode(createBinary(left, operator || node.operatorToken, right), node)
+            : node;
+    }
+    ts.updateBinary = updateBinary;
+    function createConditional(condition, questionTokenOrWhenTrue, whenTrueOrWhenFalse, colonToken, whenFalse) {
+        var node = createSynthesizedNode(195);
+        node.condition = ts.parenthesizeForConditionalHead(condition);
+        node.questionToken = whenFalse ? questionTokenOrWhenTrue : createToken(55);
+        node.whenTrue = ts.parenthesizeSubexpressionOfConditionalExpression(whenFalse ? whenTrueOrWhenFalse : questionTokenOrWhenTrue);
+        node.colonToken = whenFalse ? colonToken : createToken(56);
+        node.whenFalse = ts.parenthesizeSubexpressionOfConditionalExpression(whenFalse ? whenFalse : whenTrueOrWhenFalse);
+        return node;
+    }
+    ts.createConditional = createConditional;
+    function updateConditional(node, condition) {
+        var args = [];
+        for (var _i = 2; _i < arguments.length; _i++) {
+            args[_i - 2] = arguments[_i];
+        }
+        if (args.length === 2) {
+            var whenTrue_1 = args[0], whenFalse_1 = args[1];
+            return updateConditional(node, condition, node.questionToken, whenTrue_1, node.colonToken, whenFalse_1);
+        }
+        ts.Debug.assert(args.length === 4);
+        var questionToken = args[0], whenTrue = args[1], colonToken = args[2], whenFalse = args[3];
+        return node.condition !== condition
+            || node.questionToken !== questionToken
+            || node.whenTrue !== whenTrue
+            || node.colonToken !== colonToken
+            || node.whenFalse !== whenFalse
+            ? updateNode(createConditional(condition, questionToken, whenTrue, colonToken, whenFalse), node)
+            : node;
+    }
+    ts.updateConditional = updateConditional;
+    function createTemplateExpression(head, templateSpans) {
+        var node = createSynthesizedNode(196);
+        node.head = head;
+        node.templateSpans = createNodeArray(templateSpans);
+        return node;
+    }
+    ts.createTemplateExpression = createTemplateExpression;
+    function updateTemplateExpression(node, head, templateSpans) {
+        return node.head !== head
+            || node.templateSpans !== templateSpans
+            ? updateNode(createTemplateExpression(head, templateSpans), node)
+            : node;
+    }
+    ts.updateTemplateExpression = updateTemplateExpression;
+    function createYield(asteriskTokenOrExpression, expression) {
+        var node = createSynthesizedNode(197);
+        node.asteriskToken = asteriskTokenOrExpression && asteriskTokenOrExpression.kind === 39 ? asteriskTokenOrExpression : undefined;
+        node.expression = asteriskTokenOrExpression && asteriskTokenOrExpression.kind !== 39 ? asteriskTokenOrExpression : expression;
+        return node;
+    }
+    ts.createYield = createYield;
+    function updateYield(node, asteriskToken, expression) {
+        return node.expression !== expression
+            || node.asteriskToken !== asteriskToken
+            ? updateNode(createYield(asteriskToken, expression), node)
+            : node;
+    }
+    ts.updateYield = updateYield;
+    function createSpread(expression) {
+        var node = createSynthesizedNode(198);
+        node.expression = ts.parenthesizeExpressionForList(expression);
+        return node;
+    }
+    ts.createSpread = createSpread;
+    function updateSpread(node, expression) {
+        return node.expression !== expression
+            ? updateNode(createSpread(expression), node)
+            : node;
+    }
+    ts.updateSpread = updateSpread;
+    function createClassExpression(modifiers, name, typeParameters, heritageClauses, members) {
+        var node = createSynthesizedNode(199);
+        node.decorators = undefined;
+        node.modifiers = asNodeArray(modifiers);
+        node.name = asName(name);
+        node.typeParameters = asNodeArray(typeParameters);
+        node.heritageClauses = asNodeArray(heritageClauses);
+        node.members = createNodeArray(members);
+        return node;
+    }
+    ts.createClassExpression = createClassExpression;
+    function updateClassExpression(node, modifiers, name, typeParameters, heritageClauses, members) {
+        return node.modifiers !== modifiers
+            || node.name !== name
+            || node.typeParameters !== typeParameters
+            || node.heritageClauses !== heritageClauses
+            || node.members !== members
+            ? updateNode(createClassExpression(modifiers, name, typeParameters, heritageClauses, members), node)
+            : node;
+    }
+    ts.updateClassExpression = updateClassExpression;
+    function createOmittedExpression() {
+        return createSynthesizedNode(200);
+    }
+    ts.createOmittedExpression = createOmittedExpression;
+    function createExpressionWithTypeArguments(typeArguments, expression) {
+        var node = createSynthesizedNode(201);
+        node.expression = ts.parenthesizeForAccess(expression);
+        node.typeArguments = asNodeArray(typeArguments);
+        return node;
+    }
+    ts.createExpressionWithTypeArguments = createExpressionWithTypeArguments;
+    function updateExpressionWithTypeArguments(node, typeArguments, expression) {
+        return node.typeArguments !== typeArguments
+            || node.expression !== expression
+            ? updateNode(createExpressionWithTypeArguments(typeArguments, expression), node)
+            : node;
+    }
+    ts.updateExpressionWithTypeArguments = updateExpressionWithTypeArguments;
+    function createAsExpression(expression, type) {
+        var node = createSynthesizedNode(202);
+        node.expression = expression;
+        node.type = type;
+        return node;
+    }
+    ts.createAsExpression = createAsExpression;
+    function updateAsExpression(node, expression, type) {
+        return node.expression !== expression
+            || node.type !== type
+            ? updateNode(createAsExpression(expression, type), node)
+            : node;
+    }
+    ts.updateAsExpression = updateAsExpression;
+    function createNonNullExpression(expression) {
+        var node = createSynthesizedNode(203);
+        node.expression = ts.parenthesizeForAccess(expression);
+        return node;
+    }
+    ts.createNonNullExpression = createNonNullExpression;
+    function updateNonNullExpression(node, expression) {
+        return node.expression !== expression
+            ? updateNode(createNonNullExpression(expression), node)
+            : node;
+    }
+    ts.updateNonNullExpression = updateNonNullExpression;
+    function createMetaProperty(keywordToken, name) {
+        var node = createSynthesizedNode(204);
+        node.keywordToken = keywordToken;
+        node.name = name;
+        return node;
+    }
+    ts.createMetaProperty = createMetaProperty;
+    function updateMetaProperty(node, name) {
+        return node.name !== name
+            ? updateNode(createMetaProperty(node.keywordToken, name), node)
+            : node;
+    }
+    ts.updateMetaProperty = updateMetaProperty;
+    function createTemplateSpan(expression, literal) {
+        var node = createSynthesizedNode(205);
+        node.expression = expression;
+        node.literal = literal;
+        return node;
+    }
+    ts.createTemplateSpan = createTemplateSpan;
+    function updateTemplateSpan(node, expression, literal) {
+        return node.expression !== expression
+            || node.literal !== literal
+            ? updateNode(createTemplateSpan(expression, literal), node)
+            : node;
+    }
+    ts.updateTemplateSpan = updateTemplateSpan;
+    function createSemicolonClassElement() {
+        return createSynthesizedNode(206);
+    }
+    ts.createSemicolonClassElement = createSemicolonClassElement;
+    function createBlock(statements, multiLine) {
+        var block = createSynthesizedNode(207);
+        block.statements = createNodeArray(statements);
+        if (multiLine)
+            block.multiLine = multiLine;
+        return block;
+    }
+    ts.createBlock = createBlock;
+    function updateBlock(node, statements) {
+        return node.statements !== statements
+            ? updateNode(createBlock(statements, node.multiLine), node)
+            : node;
+    }
+    ts.updateBlock = updateBlock;
+    function createVariableStatement(modifiers, declarationList) {
+        var node = createSynthesizedNode(208);
+        node.decorators = undefined;
+        node.modifiers = asNodeArray(modifiers);
+        node.declarationList = ts.isArray(declarationList) ? createVariableDeclarationList(declarationList) : declarationList;
+        return node;
+    }
+    ts.createVariableStatement = createVariableStatement;
+    function updateVariableStatement(node, modifiers, declarationList) {
+        return node.modifiers !== modifiers
+            || node.declarationList !== declarationList
+            ? updateNode(createVariableStatement(modifiers, declarationList), node)
+            : node;
+    }
+    ts.updateVariableStatement = updateVariableStatement;
+    function createEmptyStatement() {
+        return createSynthesizedNode(209);
+    }
+    ts.createEmptyStatement = createEmptyStatement;
+    function createStatement(expression) {
+        var node = createSynthesizedNode(210);
+        node.expression = ts.parenthesizeExpressionForExpressionStatement(expression);
+        return node;
+    }
+    ts.createStatement = createStatement;
+    function updateStatement(node, expression) {
+        return node.expression !== expression
+            ? updateNode(createStatement(expression), node)
+            : node;
+    }
+    ts.updateStatement = updateStatement;
+    function createIf(expression, thenStatement, elseStatement) {
+        var node = createSynthesizedNode(211);
+        node.expression = expression;
+        node.thenStatement = thenStatement;
+        node.elseStatement = elseStatement;
+        return node;
+    }
+    ts.createIf = createIf;
+    function updateIf(node, expression, thenStatement, elseStatement) {
+        return node.expression !== expression
+            || node.thenStatement !== thenStatement
+            || node.elseStatement !== elseStatement
+            ? updateNode(createIf(expression, thenStatement, elseStatement), node)
+            : node;
+    }
+    ts.updateIf = updateIf;
+    function createDo(statement, expression) {
+        var node = createSynthesizedNode(212);
+        node.statement = statement;
+        node.expression = expression;
+        return node;
+    }
+    ts.createDo = createDo;
+    function updateDo(node, statement, expression) {
+        return node.statement !== statement
+            || node.expression !== expression
+            ? updateNode(createDo(statement, expression), node)
+            : node;
+    }
+    ts.updateDo = updateDo;
+    function createWhile(expression, statement) {
+        var node = createSynthesizedNode(213);
+        node.expression = expression;
+        node.statement = statement;
+        return node;
+    }
+    ts.createWhile = createWhile;
+    function updateWhile(node, expression, statement) {
+        return node.expression !== expression
+            || node.statement !== statement
+            ? updateNode(createWhile(expression, statement), node)
+            : node;
+    }
+    ts.updateWhile = updateWhile;
+    function createFor(initializer, condition, incrementor, statement) {
+        var node = createSynthesizedNode(214);
+        node.initializer = initializer;
+        node.condition = condition;
+        node.incrementor = incrementor;
+        node.statement = statement;
+        return node;
+    }
+    ts.createFor = createFor;
+    function updateFor(node, initializer, condition, incrementor, statement) {
+        return node.initializer !== initializer
+            || node.condition !== condition
+            || node.incrementor !== incrementor
+            || node.statement !== statement
+            ? updateNode(createFor(initializer, condition, incrementor, statement), node)
+            : node;
+    }
+    ts.updateFor = updateFor;
+    function createForIn(initializer, expression, statement) {
+        var node = createSynthesizedNode(215);
+        node.initializer = initializer;
+        node.expression = expression;
+        node.statement = statement;
+        return node;
+    }
+    ts.createForIn = createForIn;
+    function updateForIn(node, initializer, expression, statement) {
+        return node.initializer !== initializer
+            || node.expression !== expression
+            || node.statement !== statement
+            ? updateNode(createForIn(initializer, expression, statement), node)
+            : node;
+    }
+    ts.updateForIn = updateForIn;
+    function createForOf(awaitModifier, initializer, expression, statement) {
+        var node = createSynthesizedNode(216);
+        node.awaitModifier = awaitModifier;
+        node.initializer = initializer;
+        node.expression = expression;
+        node.statement = statement;
+        return node;
+    }
+    ts.createForOf = createForOf;
+    function updateForOf(node, awaitModifier, initializer, expression, statement) {
+        return node.awaitModifier !== awaitModifier
+            || node.initializer !== initializer
+            || node.expression !== expression
+            || node.statement !== statement
+            ? updateNode(createForOf(awaitModifier, initializer, expression, statement), node)
+            : node;
+    }
+    ts.updateForOf = updateForOf;
+    function createContinue(label) {
+        var node = createSynthesizedNode(217);
+        node.label = asName(label);
+        return node;
+    }
+    ts.createContinue = createContinue;
+    function updateContinue(node, label) {
+        return node.label !== label
+            ? updateNode(createContinue(label), node)
+            : node;
+    }
+    ts.updateContinue = updateContinue;
+    function createBreak(label) {
+        var node = createSynthesizedNode(218);
+        node.label = asName(label);
+        return node;
+    }
+    ts.createBreak = createBreak;
+    function updateBreak(node, label) {
+        return node.label !== label
+            ? updateNode(createBreak(label), node)
+            : node;
+    }
+    ts.updateBreak = updateBreak;
+    function createReturn(expression) {
+        var node = createSynthesizedNode(219);
+        node.expression = expression;
+        return node;
+    }
+    ts.createReturn = createReturn;
+    function updateReturn(node, expression) {
+        return node.expression !== expression
+            ? updateNode(createReturn(expression), node)
+            : node;
+    }
+    ts.updateReturn = updateReturn;
+    function createWith(expression, statement) {
+        var node = createSynthesizedNode(220);
+        node.expression = expression;
+        node.statement = statement;
+        return node;
+    }
+    ts.createWith = createWith;
+    function updateWith(node, expression, statement) {
+        return node.expression !== expression
+            || node.statement !== statement
+            ? updateNode(createWith(expression, statement), node)
+            : node;
+    }
+    ts.updateWith = updateWith;
+    function createSwitch(expression, caseBlock) {
+        var node = createSynthesizedNode(221);
+        node.expression = ts.parenthesizeExpressionForList(expression);
+        node.caseBlock = caseBlock;
+        return node;
+    }
+    ts.createSwitch = createSwitch;
+    function updateSwitch(node, expression, caseBlock) {
+        return node.expression !== expression
+            || node.caseBlock !== caseBlock
+            ? updateNode(createSwitch(expression, caseBlock), node)
+            : node;
+    }
+    ts.updateSwitch = updateSwitch;
+    function createLabel(label, statement) {
+        var node = createSynthesizedNode(222);
+        node.label = asName(label);
+        node.statement = statement;
+        return node;
+    }
+    ts.createLabel = createLabel;
+    function updateLabel(node, label, statement) {
+        return node.label !== label
+            || node.statement !== statement
+            ? updateNode(createLabel(label, statement), node)
+            : node;
+    }
+    ts.updateLabel = updateLabel;
+    function createThrow(expression) {
+        var node = createSynthesizedNode(223);
+        node.expression = expression;
+        return node;
+    }
+    ts.createThrow = createThrow;
+    function updateThrow(node, expression) {
+        return node.expression !== expression
+            ? updateNode(createThrow(expression), node)
+            : node;
+    }
+    ts.updateThrow = updateThrow;
+    function createTry(tryBlock, catchClause, finallyBlock) {
+        var node = createSynthesizedNode(224);
+        node.tryBlock = tryBlock;
+        node.catchClause = catchClause;
+        node.finallyBlock = finallyBlock;
+        return node;
+    }
+    ts.createTry = createTry;
+    function updateTry(node, tryBlock, catchClause, finallyBlock) {
+        return node.tryBlock !== tryBlock
+            || node.catchClause !== catchClause
+            || node.finallyBlock !== finallyBlock
+            ? updateNode(createTry(tryBlock, catchClause, finallyBlock), node)
+            : node;
+    }
+    ts.updateTry = updateTry;
+    function createDebuggerStatement() {
+        return createSynthesizedNode(225);
+    }
+    ts.createDebuggerStatement = createDebuggerStatement;
+    function createVariableDeclaration(name, type, initializer) {
+        var node = createSynthesizedNode(226);
+        node.name = asName(name);
+        node.type = type;
+        node.initializer = initializer !== undefined ? ts.parenthesizeExpressionForList(initializer) : undefined;
+        return node;
+    }
+    ts.createVariableDeclaration = createVariableDeclaration;
+    function updateVariableDeclaration(node, name, type, initializer) {
+        return node.name !== name
+            || node.type !== type
+            || node.initializer !== initializer
+            ? updateNode(createVariableDeclaration(name, type, initializer), node)
+            : node;
+    }
+    ts.updateVariableDeclaration = updateVariableDeclaration;
+    function createVariableDeclarationList(declarations, flags) {
+        var node = createSynthesizedNode(227);
+        node.flags |= flags & 3;
+        node.declarations = createNodeArray(declarations);
+        return node;
+    }
+    ts.createVariableDeclarationList = createVariableDeclarationList;
+    function updateVariableDeclarationList(node, declarations) {
+        return node.declarations !== declarations
+            ? updateNode(createVariableDeclarationList(declarations, node.flags), node)
+            : node;
+    }
+    ts.updateVariableDeclarationList = updateVariableDeclarationList;
+    function createFunctionDeclaration(decorators, modifiers, asteriskToken, name, typeParameters, parameters, type, body) {
+        var node = createSynthesizedNode(228);
+        node.decorators = asNodeArray(decorators);
+        node.modifiers = asNodeArray(modifiers);
+        node.asteriskToken = asteriskToken;
+        node.name = asName(name);
+        node.typeParameters = asNodeArray(typeParameters);
+        node.parameters = createNodeArray(parameters);
+        node.type = type;
+        node.body = body;
+        return node;
+    }
+    ts.createFunctionDeclaration = createFunctionDeclaration;
+    function updateFunctionDeclaration(node, decorators, modifiers, asteriskToken, name, typeParameters, parameters, type, body) {
+        return node.decorators !== decorators
+            || node.modifiers !== modifiers
+            || node.asteriskToken !== asteriskToken
+            || node.name !== name
+            || node.typeParameters !== typeParameters
+            || node.parameters !== parameters
+            || node.type !== type
+            || node.body !== body
+            ? updateNode(createFunctionDeclaration(decorators, modifiers, asteriskToken, name, typeParameters, parameters, type, body), node)
+            : node;
+    }
+    ts.updateFunctionDeclaration = updateFunctionDeclaration;
+    function createClassDeclaration(decorators, modifiers, name, typeParameters, heritageClauses, members) {
+        var node = createSynthesizedNode(229);
+        node.decorators = asNodeArray(decorators);
+        node.modifiers = asNodeArray(modifiers);
+        node.name = asName(name);
+        node.typeParameters = asNodeArray(typeParameters);
+        node.heritageClauses = asNodeArray(heritageClauses);
+        node.members = createNodeArray(members);
+        return node;
+    }
+    ts.createClassDeclaration = createClassDeclaration;
+    function updateClassDeclaration(node, decorators, modifiers, name, typeParameters, heritageClauses, members) {
+        return node.decorators !== decorators
+            || node.modifiers !== modifiers
+            || node.name !== name
+            || node.typeParameters !== typeParameters
+            || node.heritageClauses !== heritageClauses
+            || node.members !== members
+            ? updateNode(createClassDeclaration(decorators, modifiers, name, typeParameters, heritageClauses, members), node)
+            : node;
+    }
+    ts.updateClassDeclaration = updateClassDeclaration;
+    function createInterfaceDeclaration(decorators, modifiers, name, typeParameters, heritageClauses, members) {
+        var node = createSynthesizedNode(230);
+        node.decorators = asNodeArray(decorators);
+        node.modifiers = asNodeArray(modifiers);
+        node.name = asName(name);
+        node.typeParameters = asNodeArray(typeParameters);
+        node.heritageClauses = asNodeArray(heritageClauses);
+        node.members = createNodeArray(members);
+        return node;
+    }
+    ts.createInterfaceDeclaration = createInterfaceDeclaration;
+    function updateInterfaceDeclaration(node, decorators, modifiers, name, typeParameters, heritageClauses, members) {
+        return node.decorators !== decorators
+            || node.modifiers !== modifiers
+            || node.name !== name
+            || node.typeParameters !== typeParameters
+            || node.heritageClauses !== heritageClauses
+            || node.members !== members
+            ? updateNode(createInterfaceDeclaration(decorators, modifiers, name, typeParameters, heritageClauses, members), node)
+            : node;
+    }
+    ts.updateInterfaceDeclaration = updateInterfaceDeclaration;
+    function createTypeAliasDeclaration(decorators, modifiers, name, typeParameters, type) {
+        var node = createSynthesizedNode(231);
+        node.decorators = asNodeArray(decorators);
+        node.modifiers = asNodeArray(modifiers);
+        node.name = asName(name);
+        node.typeParameters = asNodeArray(typeParameters);
+        node.type = type;
+        return node;
+    }
+    ts.createTypeAliasDeclaration = createTypeAliasDeclaration;
+    function updateTypeAliasDeclaration(node, decorators, modifiers, name, typeParameters, type) {
+        return node.decorators !== decorators
+            || node.modifiers !== modifiers
+            || node.name !== name
+            || node.typeParameters !== typeParameters
+            || node.type !== type
+            ? updateNode(createTypeAliasDeclaration(decorators, modifiers, name, typeParameters, type), node)
+            : node;
+    }
+    ts.updateTypeAliasDeclaration = updateTypeAliasDeclaration;
+    function createEnumDeclaration(decorators, modifiers, name, members) {
+        var node = createSynthesizedNode(232);
+        node.decorators = asNodeArray(decorators);
+        node.modifiers = asNodeArray(modifiers);
+        node.name = asName(name);
+        node.members = createNodeArray(members);
+        return node;
+    }
+    ts.createEnumDeclaration = createEnumDeclaration;
+    function updateEnumDeclaration(node, decorators, modifiers, name, members) {
+        return node.decorators !== decorators
+            || node.modifiers !== modifiers
+            || node.name !== name
+            || node.members !== members
+            ? updateNode(createEnumDeclaration(decorators, modifiers, name, members), node)
+            : node;
+    }
+    ts.updateEnumDeclaration = updateEnumDeclaration;
+    function createModuleDeclaration(decorators, modifiers, name, body, flags) {
+        var node = createSynthesizedNode(233);
+        node.flags |= flags & (16 | 4 | 512);
+        node.decorators = asNodeArray(decorators);
+        node.modifiers = asNodeArray(modifiers);
+        node.name = name;
+        node.body = body;
+        return node;
+    }
+    ts.createModuleDeclaration = createModuleDeclaration;
+    function updateModuleDeclaration(node, decorators, modifiers, name, body) {
+        return node.decorators !== decorators
+            || node.modifiers !== modifiers
+            || node.name !== name
+            || node.body !== body
+            ? updateNode(createModuleDeclaration(decorators, modifiers, name, body, node.flags), node)
+            : node;
+    }
+    ts.updateModuleDeclaration = updateModuleDeclaration;
+    function createModuleBlock(statements) {
+        var node = createSynthesizedNode(234);
+        node.statements = createNodeArray(statements);
+        return node;
+    }
+    ts.createModuleBlock = createModuleBlock;
+    function updateModuleBlock(node, statements) {
+        return node.statements !== statements
+            ? updateNode(createModuleBlock(statements), node)
+            : node;
+    }
+    ts.updateModuleBlock = updateModuleBlock;
+    function createCaseBlock(clauses) {
+        var node = createSynthesizedNode(235);
+        node.clauses = createNodeArray(clauses);
+        return node;
+    }
+    ts.createCaseBlock = createCaseBlock;
+    function updateCaseBlock(node, clauses) {
+        return node.clauses !== clauses
+            ? updateNode(createCaseBlock(clauses), node)
+            : node;
+    }
+    ts.updateCaseBlock = updateCaseBlock;
+    function createNamespaceExportDeclaration(name) {
+        var node = createSynthesizedNode(236);
+        node.name = asName(name);
+        return node;
+    }
+    ts.createNamespaceExportDeclaration = createNamespaceExportDeclaration;
+    function updateNamespaceExportDeclaration(node, name) {
+        return node.name !== name
+            ? updateNode(createNamespaceExportDeclaration(name), node)
+            : node;
+    }
+    ts.updateNamespaceExportDeclaration = updateNamespaceExportDeclaration;
+    function createImportEqualsDeclaration(decorators, modifiers, name, moduleReference) {
+        var node = createSynthesizedNode(237);
+        node.decorators = asNodeArray(decorators);
+        node.modifiers = asNodeArray(modifiers);
+        node.name = asName(name);
+        node.moduleReference = moduleReference;
+        return node;
+    }
+    ts.createImportEqualsDeclaration = createImportEqualsDeclaration;
+    function updateImportEqualsDeclaration(node, decorators, modifiers, name, moduleReference) {
+        return node.decorators !== decorators
+            || node.modifiers !== modifiers
+            || node.name !== name
+            || node.moduleReference !== moduleReference
+            ? updateNode(createImportEqualsDeclaration(decorators, modifiers, name, moduleReference), node)
+            : node;
+    }
+    ts.updateImportEqualsDeclaration = updateImportEqualsDeclaration;
+    function createImportDeclaration(decorators, modifiers, importClause, moduleSpecifier) {
+        var node = createSynthesizedNode(238);
+        node.decorators = asNodeArray(decorators);
+        node.modifiers = asNodeArray(modifiers);
+        node.importClause = importClause;
+        node.moduleSpecifier = moduleSpecifier;
+        return node;
+    }
+    ts.createImportDeclaration = createImportDeclaration;
+    function updateImportDeclaration(node, decorators, modifiers, importClause, moduleSpecifier) {
+        return node.decorators !== decorators
+            || node.modifiers !== modifiers
+            || node.importClause !== importClause
+            || node.moduleSpecifier !== moduleSpecifier
+            ? updateNode(createImportDeclaration(decorators, modifiers, importClause, moduleSpecifier), node)
+            : node;
+    }
+    ts.updateImportDeclaration = updateImportDeclaration;
+    function createImportClause(name, namedBindings) {
+        var node = createSynthesizedNode(239);
+        node.name = name;
+        node.namedBindings = namedBindings;
+        return node;
+    }
+    ts.createImportClause = createImportClause;
+    function updateImportClause(node, name, namedBindings) {
+        return node.name !== name
+            || node.namedBindings !== namedBindings
+            ? updateNode(createImportClause(name, namedBindings), node)
+            : node;
+    }
+    ts.updateImportClause = updateImportClause;
+    function createNamespaceImport(name) {
+        var node = createSynthesizedNode(240);
+        node.name = name;
+        return node;
+    }
+    ts.createNamespaceImport = createNamespaceImport;
+    function updateNamespaceImport(node, name) {
+        return node.name !== name
+            ? updateNode(createNamespaceImport(name), node)
+            : node;
+    }
+    ts.updateNamespaceImport = updateNamespaceImport;
+    function createNamedImports(elements) {
+        var node = createSynthesizedNode(241);
+        node.elements = createNodeArray(elements);
+        return node;
+    }
+    ts.createNamedImports = createNamedImports;
+    function updateNamedImports(node, elements) {
+        return node.elements !== elements
+            ? updateNode(createNamedImports(elements), node)
+            : node;
+    }
+    ts.updateNamedImports = updateNamedImports;
+    function createImportSpecifier(propertyName, name) {
+        var node = createSynthesizedNode(242);
+        node.propertyName = propertyName;
+        node.name = name;
+        return node;
+    }
+    ts.createImportSpecifier = createImportSpecifier;
+    function updateImportSpecifier(node, propertyName, name) {
+        return node.propertyName !== propertyName
+            || node.name !== name
+            ? updateNode(createImportSpecifier(propertyName, name), node)
+            : node;
+    }
+    ts.updateImportSpecifier = updateImportSpecifier;
+    function createExportAssignment(decorators, modifiers, isExportEquals, expression) {
+        var node = createSynthesizedNode(243);
+        node.decorators = asNodeArray(decorators);
+        node.modifiers = asNodeArray(modifiers);
+        node.isExportEquals = isExportEquals;
+        node.expression = expression;
+        return node;
+    }
+    ts.createExportAssignment = createExportAssignment;
+    function updateExportAssignment(node, decorators, modifiers, expression) {
+        return node.decorators !== decorators
+            || node.modifiers !== modifiers
+            || node.expression !== expression
+            ? updateNode(createExportAssignment(decorators, modifiers, node.isExportEquals, expression), node)
+            : node;
+    }
+    ts.updateExportAssignment = updateExportAssignment;
+    function createExportDeclaration(decorators, modifiers, exportClause, moduleSpecifier) {
+        var node = createSynthesizedNode(244);
+        node.decorators = asNodeArray(decorators);
+        node.modifiers = asNodeArray(modifiers);
+        node.exportClause = exportClause;
+        node.moduleSpecifier = moduleSpecifier;
+        return node;
+    }
+    ts.createExportDeclaration = createExportDeclaration;
+    function updateExportDeclaration(node, decorators, modifiers, exportClause, moduleSpecifier) {
+        return node.decorators !== decorators
+            || node.modifiers !== modifiers
+            || node.exportClause !== exportClause
+            || node.moduleSpecifier !== moduleSpecifier
+            ? updateNode(createExportDeclaration(decorators, modifiers, exportClause, moduleSpecifier), node)
+            : node;
+    }
+    ts.updateExportDeclaration = updateExportDeclaration;
+    function createNamedExports(elements) {
+        var node = createSynthesizedNode(245);
+        node.elements = createNodeArray(elements);
+        return node;
+    }
+    ts.createNamedExports = createNamedExports;
+    function updateNamedExports(node, elements) {
+        return node.elements !== elements
+            ? updateNode(createNamedExports(elements), node)
+            : node;
+    }
+    ts.updateNamedExports = updateNamedExports;
+    function createExportSpecifier(propertyName, name) {
+        var node = createSynthesizedNode(246);
+        node.propertyName = asName(propertyName);
+        node.name = asName(name);
+        return node;
+    }
+    ts.createExportSpecifier = createExportSpecifier;
+    function updateExportSpecifier(node, propertyName, name) {
+        return node.propertyName !== propertyName
+            || node.name !== name
+            ? updateNode(createExportSpecifier(propertyName, name), node)
+            : node;
+    }
+    ts.updateExportSpecifier = updateExportSpecifier;
+    function createExternalModuleReference(expression) {
+        var node = createSynthesizedNode(248);
+        node.expression = expression;
+        return node;
+    }
+    ts.createExternalModuleReference = createExternalModuleReference;
+    function updateExternalModuleReference(node, expression) {
+        return node.expression !== expression
+            ? updateNode(createExternalModuleReference(expression), node)
+            : node;
+    }
+    ts.updateExternalModuleReference = updateExternalModuleReference;
+    function createJsxElement(openingElement, children, closingElement) {
+        var node = createSynthesizedNode(249);
+        node.openingElement = openingElement;
+        node.children = createNodeArray(children);
+        node.closingElement = closingElement;
+        return node;
+    }
+    ts.createJsxElement = createJsxElement;
+    function updateJsxElement(node, openingElement, children, closingElement) {
+        return node.openingElement !== openingElement
+            || node.children !== children
+            || node.closingElement !== closingElement
+            ? updateNode(createJsxElement(openingElement, children, closingElement), node)
+            : node;
+    }
+    ts.updateJsxElement = updateJsxElement;
+    function createJsxSelfClosingElement(tagName, attributes) {
+        var node = createSynthesizedNode(250);
+        node.tagName = tagName;
+        node.attributes = attributes;
+        return node;
+    }
+    ts.createJsxSelfClosingElement = createJsxSelfClosingElement;
+    function updateJsxSelfClosingElement(node, tagName, attributes) {
+        return node.tagName !== tagName
+            || node.attributes !== attributes
+            ? updateNode(createJsxSelfClosingElement(tagName, attributes), node)
+            : node;
+    }
+    ts.updateJsxSelfClosingElement = updateJsxSelfClosingElement;
+    function createJsxOpeningElement(tagName, attributes) {
+        var node = createSynthesizedNode(251);
+        node.tagName = tagName;
+        node.attributes = attributes;
+        return node;
+    }
+    ts.createJsxOpeningElement = createJsxOpeningElement;
+    function updateJsxOpeningElement(node, tagName, attributes) {
+        return node.tagName !== tagName
+            || node.attributes !== attributes
+            ? updateNode(createJsxOpeningElement(tagName, attributes), node)
+            : node;
+    }
+    ts.updateJsxOpeningElement = updateJsxOpeningElement;
+    function createJsxClosingElement(tagName) {
+        var node = createSynthesizedNode(252);
+        node.tagName = tagName;
+        return node;
+    }
+    ts.createJsxClosingElement = createJsxClosingElement;
+    function updateJsxClosingElement(node, tagName) {
+        return node.tagName !== tagName
+            ? updateNode(createJsxClosingElement(tagName), node)
+            : node;
+    }
+    ts.updateJsxClosingElement = updateJsxClosingElement;
+    function createJsxAttribute(name, initializer) {
+        var node = createSynthesizedNode(253);
+        node.name = name;
+        node.initializer = initializer;
+        return node;
+    }
+    ts.createJsxAttribute = createJsxAttribute;
+    function updateJsxAttribute(node, name, initializer) {
+        return node.name !== name
+            || node.initializer !== initializer
+            ? updateNode(createJsxAttribute(name, initializer), node)
+            : node;
+    }
+    ts.updateJsxAttribute = updateJsxAttribute;
+    function createJsxAttributes(properties) {
+        var node = createSynthesizedNode(254);
+        node.properties = createNodeArray(properties);
+        return node;
+    }
+    ts.createJsxAttributes = createJsxAttributes;
+    function updateJsxAttributes(node, properties) {
+        return node.properties !== properties
+            ? updateNode(createJsxAttributes(properties), node)
+            : node;
+    }
+    ts.updateJsxAttributes = updateJsxAttributes;
+    function createJsxSpreadAttribute(expression) {
+        var node = createSynthesizedNode(255);
+        node.expression = expression;
+        return node;
+    }
+    ts.createJsxSpreadAttribute = createJsxSpreadAttribute;
+    function updateJsxSpreadAttribute(node, expression) {
+        return node.expression !== expression
+            ? updateNode(createJsxSpreadAttribute(expression), node)
+            : node;
+    }
+    ts.updateJsxSpreadAttribute = updateJsxSpreadAttribute;
+    function createJsxExpression(dotDotDotToken, expression) {
+        var node = createSynthesizedNode(256);
+        node.dotDotDotToken = dotDotDotToken;
+        node.expression = expression;
+        return node;
+    }
+    ts.createJsxExpression = createJsxExpression;
+    function updateJsxExpression(node, expression) {
+        return node.expression !== expression
+            ? updateNode(createJsxExpression(node.dotDotDotToken, expression), node)
+            : node;
+    }
+    ts.updateJsxExpression = updateJsxExpression;
+    function createCaseClause(expression, statements) {
+        var node = createSynthesizedNode(257);
+        node.expression = ts.parenthesizeExpressionForList(expression);
+        node.statements = createNodeArray(statements);
+        return node;
+    }
+    ts.createCaseClause = createCaseClause;
+    function updateCaseClause(node, expression, statements) {
+        return node.expression !== expression
+            || node.statements !== statements
+            ? updateNode(createCaseClause(expression, statements), node)
+            : node;
+    }
+    ts.updateCaseClause = updateCaseClause;
+    function createDefaultClause(statements) {
+        var node = createSynthesizedNode(258);
+        node.statements = createNodeArray(statements);
+        return node;
+    }
+    ts.createDefaultClause = createDefaultClause;
+    function updateDefaultClause(node, statements) {
+        return node.statements !== statements
+            ? updateNode(createDefaultClause(statements), node)
+            : node;
+    }
+    ts.updateDefaultClause = updateDefaultClause;
+    function createHeritageClause(token, types) {
+        var node = createSynthesizedNode(259);
+        node.token = token;
+        node.types = createNodeArray(types);
+        return node;
+    }
+    ts.createHeritageClause = createHeritageClause;
+    function updateHeritageClause(node, types) {
+        return node.types !== types
+            ? updateNode(createHeritageClause(node.token, types), node)
+            : node;
+    }
+    ts.updateHeritageClause = updateHeritageClause;
+    function createCatchClause(variableDeclaration, block) {
+        var node = createSynthesizedNode(260);
+        node.variableDeclaration = typeof variableDeclaration === "string" ? createVariableDeclaration(variableDeclaration) : variableDeclaration;
+        node.block = block;
+        return node;
+    }
+    ts.createCatchClause = createCatchClause;
+    function updateCatchClause(node, variableDeclaration, block) {
+        return node.variableDeclaration !== variableDeclaration
+            || node.block !== block
+            ? updateNode(createCatchClause(variableDeclaration, block), node)
+            : node;
+    }
+    ts.updateCatchClause = updateCatchClause;
+    function createPropertyAssignment(name, initializer) {
+        var node = createSynthesizedNode(261);
+        node.name = asName(name);
+        node.questionToken = undefined;
+        node.initializer = initializer !== undefined ? ts.parenthesizeExpressionForList(initializer) : undefined;
+        return node;
+    }
+    ts.createPropertyAssignment = createPropertyAssignment;
+    function updatePropertyAssignment(node, name, initializer) {
+        return node.name !== name
+            || node.initializer !== initializer
+            ? updateNode(createPropertyAssignment(name, initializer), node)
+            : node;
+    }
+    ts.updatePropertyAssignment = updatePropertyAssignment;
+    function createShorthandPropertyAssignment(name, objectAssignmentInitializer) {
+        var node = createSynthesizedNode(262);
+        node.name = asName(name);
+        node.objectAssignmentInitializer = objectAssignmentInitializer !== undefined ? ts.parenthesizeExpressionForList(objectAssignmentInitializer) : undefined;
+        return node;
+    }
+    ts.createShorthandPropertyAssignment = createShorthandPropertyAssignment;
+    function updateShorthandPropertyAssignment(node, name, objectAssignmentInitializer) {
+        return node.name !== name
+            || node.objectAssignmentInitializer !== objectAssignmentInitializer
+            ? updateNode(createShorthandPropertyAssignment(name, objectAssignmentInitializer), node)
+            : node;
+    }
+    ts.updateShorthandPropertyAssignment = updateShorthandPropertyAssignment;
+    function createSpreadAssignment(expression) {
+        var node = createSynthesizedNode(263);
+        node.expression = expression !== undefined ? ts.parenthesizeExpressionForList(expression) : undefined;
+        return node;
+    }
+    ts.createSpreadAssignment = createSpreadAssignment;
+    function updateSpreadAssignment(node, expression) {
+        return node.expression !== expression
+            ? updateNode(createSpreadAssignment(expression), node)
+            : node;
+    }
+    ts.updateSpreadAssignment = updateSpreadAssignment;
+    function createEnumMember(name, initializer) {
+        var node = createSynthesizedNode(264);
+        node.name = asName(name);
+        node.initializer = initializer && ts.parenthesizeExpressionForList(initializer);
+        return node;
+    }
+    ts.createEnumMember = createEnumMember;
+    function updateEnumMember(node, name, initializer) {
+        return node.name !== name
+            || node.initializer !== initializer
+            ? updateNode(createEnumMember(name, initializer), node)
+            : node;
+    }
+    ts.updateEnumMember = updateEnumMember;
+    function updateSourceFileNode(node, statements) {
+        if (node.statements !== statements) {
+            var updated = createSynthesizedNode(265);
+            updated.flags |= node.flags;
+            updated.statements = createNodeArray(statements);
+            updated.endOfFileToken = node.endOfFileToken;
+            updated.fileName = node.fileName;
+            updated.path = node.path;
+            updated.text = node.text;
+            if (node.amdDependencies !== undefined)
+                updated.amdDependencies = node.amdDependencies;
+            if (node.moduleName !== undefined)
+                updated.moduleName = node.moduleName;
+            if (node.referencedFiles !== undefined)
+                updated.referencedFiles = node.referencedFiles;
+            if (node.typeReferenceDirectives !== undefined)
+                updated.typeReferenceDirectives = node.typeReferenceDirectives;
+            if (node.languageVariant !== undefined)
+                updated.languageVariant = node.languageVariant;
+            if (node.isDeclarationFile !== undefined)
+                updated.isDeclarationFile = node.isDeclarationFile;
+            if (node.renamedDependencies !== undefined)
+                updated.renamedDependencies = node.renamedDependencies;
+            if (node.hasNoDefaultLib !== undefined)
+                updated.hasNoDefaultLib = node.hasNoDefaultLib;
+            if (node.languageVersion !== undefined)
+                updated.languageVersion = node.languageVersion;
+            if (node.scriptKind !== undefined)
+                updated.scriptKind = node.scriptKind;
+            if (node.externalModuleIndicator !== undefined)
+                updated.externalModuleIndicator = node.externalModuleIndicator;
+            if (node.commonJsModuleIndicator !== undefined)
+                updated.commonJsModuleIndicator = node.commonJsModuleIndicator;
+            if (node.identifiers !== undefined)
+                updated.identifiers = node.identifiers;
+            if (node.nodeCount !== undefined)
+                updated.nodeCount = node.nodeCount;
+            if (node.identifierCount !== undefined)
+                updated.identifierCount = node.identifierCount;
+            if (node.symbolCount !== undefined)
+                updated.symbolCount = node.symbolCount;
+            if (node.parseDiagnostics !== undefined)
+                updated.parseDiagnostics = node.parseDiagnostics;
+            if (node.bindDiagnostics !== undefined)
+                updated.bindDiagnostics = node.bindDiagnostics;
+            if (node.lineMap !== undefined)
+                updated.lineMap = node.lineMap;
+            if (node.classifiableNames !== undefined)
+                updated.classifiableNames = node.classifiableNames;
+            if (node.resolvedModules !== undefined)
+                updated.resolvedModules = node.resolvedModules;
+            if (node.resolvedTypeReferenceDirectiveNames !== undefined)
+                updated.resolvedTypeReferenceDirectiveNames = node.resolvedTypeReferenceDirectiveNames;
+            if (node.imports !== undefined)
+                updated.imports = node.imports;
+            if (node.moduleAugmentations !== undefined)
+                updated.moduleAugmentations = node.moduleAugmentations;
+            return updateNode(updated, node);
+        }
+        return node;
+    }
+    ts.updateSourceFileNode = updateSourceFileNode;
+    function getMutableClone(node) {
+        var clone = getSynthesizedClone(node);
+        clone.pos = node.pos;
+        clone.end = node.end;
+        clone.parent = node.parent;
+        return clone;
+    }
+    ts.getMutableClone = getMutableClone;
+    function createNotEmittedStatement(original) {
+        var node = createSynthesizedNode(287);
+        node.original = original;
+        setTextRange(node, original);
+        return node;
+    }
+    ts.createNotEmittedStatement = createNotEmittedStatement;
+    function createEndOfDeclarationMarker(original) {
+        var node = createSynthesizedNode(291);
+        node.emitNode = {};
+        node.original = original;
+        return node;
+    }
+    ts.createEndOfDeclarationMarker = createEndOfDeclarationMarker;
+    function createMergeDeclarationMarker(original) {
+        var node = createSynthesizedNode(290);
+        node.emitNode = {};
+        node.original = original;
+        return node;
+    }
+    ts.createMergeDeclarationMarker = createMergeDeclarationMarker;
+    function createPartiallyEmittedExpression(expression, original) {
+        var node = createSynthesizedNode(288);
+        node.expression = expression;
+        node.original = original;
+        setTextRange(node, original);
+        return node;
+    }
+    ts.createPartiallyEmittedExpression = createPartiallyEmittedExpression;
+    function updatePartiallyEmittedExpression(node, expression) {
+        if (node.expression !== expression) {
+            return updateNode(createPartiallyEmittedExpression(expression, node.original), node);
+        }
+        return node;
+    }
+    ts.updatePartiallyEmittedExpression = updatePartiallyEmittedExpression;
+    function flattenCommaElements(node) {
+        if (ts.nodeIsSynthesized(node) && !ts.isParseTreeNode(node) && !node.original && !node.emitNode && !node.id) {
+            if (node.kind === 289) {
+                return node.elements;
+            }
+            if (ts.isBinaryExpression(node) && node.operatorToken.kind === 26) {
+                return [node.left, node.right];
+            }
+        }
+        return node;
+    }
+    function createCommaList(elements) {
+        var node = createSynthesizedNode(289);
+        node.elements = createNodeArray(ts.sameFlatMap(elements, flattenCommaElements));
+        return node;
+    }
+    ts.createCommaList = createCommaList;
+    function updateCommaList(node, elements) {
+        return node.elements !== elements
+            ? updateNode(createCommaList(elements), node)
+            : node;
+    }
+    ts.updateCommaList = updateCommaList;
+    function createBundle(sourceFiles) {
+        var node = ts.createNode(266);
+        node.sourceFiles = sourceFiles;
+        return node;
+    }
+    ts.createBundle = createBundle;
+    function updateBundle(node, sourceFiles) {
+        if (node.sourceFiles !== sourceFiles) {
+            return createBundle(sourceFiles);
+        }
+        return node;
+    }
+    ts.updateBundle = updateBundle;
+    function createImmediatelyInvokedFunctionExpression(statements, param, paramValue) {
+        return createCall(createFunctionExpression(undefined, undefined, undefined, undefined, param ? [param] : [], undefined, createBlock(statements, true)), undefined, paramValue ? [paramValue] : []);
+    }
+    ts.createImmediatelyInvokedFunctionExpression = createImmediatelyInvokedFunctionExpression;
+    function createImmediatelyInvokedArrowFunction(statements, param, paramValue) {
+        return createCall(createArrowFunction(undefined, undefined, param ? [param] : [], undefined, undefined, createBlock(statements, true)), undefined, paramValue ? [paramValue] : []);
+    }
+    ts.createImmediatelyInvokedArrowFunction = createImmediatelyInvokedArrowFunction;
+    function createComma(left, right) {
+        return createBinary(left, 26, right);
+    }
+    ts.createComma = createComma;
+    function createLessThan(left, right) {
+        return createBinary(left, 27, right);
+    }
+    ts.createLessThan = createLessThan;
+    function createAssignment(left, right) {
+        return createBinary(left, 58, right);
+    }
+    ts.createAssignment = createAssignment;
+    function createStrictEquality(left, right) {
+        return createBinary(left, 34, right);
+    }
+    ts.createStrictEquality = createStrictEquality;
+    function createStrictInequality(left, right) {
+        return createBinary(left, 35, right);
+    }
+    ts.createStrictInequality = createStrictInequality;
+    function createAdd(left, right) {
+        return createBinary(left, 37, right);
+    }
+    ts.createAdd = createAdd;
+    function createSubtract(left, right) {
+        return createBinary(left, 38, right);
+    }
+    ts.createSubtract = createSubtract;
+    function createPostfixIncrement(operand) {
+        return createPostfix(operand, 43);
+    }
+    ts.createPostfixIncrement = createPostfixIncrement;
+    function createLogicalAnd(left, right) {
+        return createBinary(left, 53, right);
+    }
+    ts.createLogicalAnd = createLogicalAnd;
+    function createLogicalOr(left, right) {
+        return createBinary(left, 54, right);
+    }
+    ts.createLogicalOr = createLogicalOr;
+    function createLogicalNot(operand) {
+        return createPrefix(51, operand);
+    }
+    ts.createLogicalNot = createLogicalNot;
+    function createVoidZero() {
+        return createVoid(createLiteral(0));
+    }
+    ts.createVoidZero = createVoidZero;
+    function createExportDefault(expression) {
+        return createExportAssignment(undefined, undefined, false, expression);
+    }
+    ts.createExportDefault = createExportDefault;
+    function createExternalModuleExport(exportName) {
+        return createExportDeclaration(undefined, undefined, createNamedExports([createExportSpecifier(undefined, exportName)]));
+    }
+    ts.createExternalModuleExport = createExternalModuleExport;
+    function asName(name) {
+        return typeof name === "string" ? createIdentifier(name) : name;
+    }
+    function asExpression(value) {
+        return typeof value === "string" || typeof value === "number" ? createLiteral(value) : value;
+    }
+    function asNodeArray(array) {
+        return array ? createNodeArray(array) : undefined;
+    }
+    function asToken(value) {
+        return typeof value === "number" ? createToken(value) : value;
+    }
+    function disposeEmitNodes(sourceFile) {
+        sourceFile = ts.getSourceFileOfNode(ts.getParseTreeNode(sourceFile));
+        var emitNode = sourceFile && sourceFile.emitNode;
+        var annotatedNodes = emitNode && emitNode.annotatedNodes;
+        if (annotatedNodes) {
+            for (var _i = 0, annotatedNodes_1 = annotatedNodes; _i < annotatedNodes_1.length; _i++) {
+                var node = annotatedNodes_1[_i];
+                node.emitNode = undefined;
+            }
+        }
+    }
+    ts.disposeEmitNodes = disposeEmitNodes;
+    function getOrCreateEmitNode(node) {
+        if (!node.emitNode) {
+            if (ts.isParseTreeNode(node)) {
+                if (node.kind === 265) {
+                    return node.emitNode = { annotatedNodes: [node] };
+                }
+                var sourceFile = ts.getSourceFileOfNode(node);
+                getOrCreateEmitNode(sourceFile).annotatedNodes.push(node);
+            }
+            node.emitNode = {};
+        }
+        return node.emitNode;
+    }
+    ts.getOrCreateEmitNode = getOrCreateEmitNode;
+    function setTextRange(range, location) {
+        if (location) {
+            range.pos = location.pos;
+            range.end = location.end;
+        }
+        return range;
+    }
+    ts.setTextRange = setTextRange;
+    function setEmitFlags(node, emitFlags) {
+        getOrCreateEmitNode(node).flags = emitFlags;
+        return node;
+    }
+    ts.setEmitFlags = setEmitFlags;
+    function getSourceMapRange(node) {
+        var emitNode = node.emitNode;
+        return (emitNode && emitNode.sourceMapRange) || node;
+    }
+    ts.getSourceMapRange = getSourceMapRange;
+    function setSourceMapRange(node, range) {
+        getOrCreateEmitNode(node).sourceMapRange = range;
+        return node;
+    }
+    ts.setSourceMapRange = setSourceMapRange;
+    var SourceMapSource;
+    function createSourceMapSource(fileName, text, skipTrivia) {
+        return new (SourceMapSource || (SourceMapSource = ts.objectAllocator.getSourceMapSourceConstructor()))(fileName, text, skipTrivia);
+    }
+    ts.createSourceMapSource = createSourceMapSource;
+    function getTokenSourceMapRange(node, token) {
+        var emitNode = node.emitNode;
+        var tokenSourceMapRanges = emitNode && emitNode.tokenSourceMapRanges;
+        return tokenSourceMapRanges && tokenSourceMapRanges[token];
+    }
+    ts.getTokenSourceMapRange = getTokenSourceMapRange;
+    function setTokenSourceMapRange(node, token, range) {
+        var emitNode = getOrCreateEmitNode(node);
+        var tokenSourceMapRanges = emitNode.tokenSourceMapRanges || (emitNode.tokenSourceMapRanges = []);
+        tokenSourceMapRanges[token] = range;
+        return node;
+    }
+    ts.setTokenSourceMapRange = setTokenSourceMapRange;
+    function getCommentRange(node) {
+        var emitNode = node.emitNode;
+        return (emitNode && emitNode.commentRange) || node;
+    }
+    ts.getCommentRange = getCommentRange;
+    function setCommentRange(node, range) {
+        getOrCreateEmitNode(node).commentRange = range;
+        return node;
+    }
+    ts.setCommentRange = setCommentRange;
+    function getSyntheticLeadingComments(node) {
+        var emitNode = node.emitNode;
+        return emitNode && emitNode.leadingComments;
+    }
+    ts.getSyntheticLeadingComments = getSyntheticLeadingComments;
+    function setSyntheticLeadingComments(node, comments) {
+        getOrCreateEmitNode(node).leadingComments = comments;
+        return node;
+    }
+    ts.setSyntheticLeadingComments = setSyntheticLeadingComments;
+    function addSyntheticLeadingComment(node, kind, text, hasTrailingNewLine) {
+        return setSyntheticLeadingComments(node, ts.append(getSyntheticLeadingComments(node), { kind: kind, pos: -1, end: -1, hasTrailingNewLine: hasTrailingNewLine, text: text }));
+    }
+    ts.addSyntheticLeadingComment = addSyntheticLeadingComment;
+    function getSyntheticTrailingComments(node) {
+        var emitNode = node.emitNode;
+        return emitNode && emitNode.trailingComments;
+    }
+    ts.getSyntheticTrailingComments = getSyntheticTrailingComments;
+    function setSyntheticTrailingComments(node, comments) {
+        getOrCreateEmitNode(node).trailingComments = comments;
+        return node;
+    }
+    ts.setSyntheticTrailingComments = setSyntheticTrailingComments;
+    function addSyntheticTrailingComment(node, kind, text, hasTrailingNewLine) {
+        return setSyntheticTrailingComments(node, ts.append(getSyntheticTrailingComments(node), { kind: kind, pos: -1, end: -1, hasTrailingNewLine: hasTrailingNewLine, text: text }));
+    }
+    ts.addSyntheticTrailingComment = addSyntheticTrailingComment;
+    function getConstantValue(node) {
+        var emitNode = node.emitNode;
+        return emitNode && emitNode.constantValue;
+    }
+    ts.getConstantValue = getConstantValue;
+    function setConstantValue(node, value) {
+        var emitNode = getOrCreateEmitNode(node);
+        emitNode.constantValue = value;
+        return node;
+    }
+    ts.setConstantValue = setConstantValue;
+    function addEmitHelper(node, helper) {
+        var emitNode = getOrCreateEmitNode(node);
+        emitNode.helpers = ts.append(emitNode.helpers, helper);
+        return node;
+    }
+    ts.addEmitHelper = addEmitHelper;
+    function addEmitHelpers(node, helpers) {
+        if (ts.some(helpers)) {
+            var emitNode = getOrCreateEmitNode(node);
+            for (var _i = 0, helpers_1 = helpers; _i < helpers_1.length; _i++) {
+                var helper = helpers_1[_i];
+                if (!ts.contains(emitNode.helpers, helper)) {
+                    emitNode.helpers = ts.append(emitNode.helpers, helper);
+                }
+            }
+        }
+        return node;
+    }
+    ts.addEmitHelpers = addEmitHelpers;
+    function removeEmitHelper(node, helper) {
+        var emitNode = node.emitNode;
+        if (emitNode) {
+            var helpers = emitNode.helpers;
+            if (helpers) {
+                return ts.orderedRemoveItem(helpers, helper);
+            }
+        }
+        return false;
+    }
+    ts.removeEmitHelper = removeEmitHelper;
+    function getEmitHelpers(node) {
+        var emitNode = node.emitNode;
+        return emitNode && emitNode.helpers;
+    }
+    ts.getEmitHelpers = getEmitHelpers;
+    function moveEmitHelpers(source, target, predicate) {
+        var sourceEmitNode = source.emitNode;
+        var sourceEmitHelpers = sourceEmitNode && sourceEmitNode.helpers;
+        if (!ts.some(sourceEmitHelpers))
+            return;
+        var targetEmitNode = getOrCreateEmitNode(target);
+        var helpersRemoved = 0;
+        for (var i = 0; i < sourceEmitHelpers.length; i++) {
+            var helper = sourceEmitHelpers[i];
+            if (predicate(helper)) {
+                helpersRemoved++;
+                if (!ts.contains(targetEmitNode.helpers, helper)) {
+                    targetEmitNode.helpers = ts.append(targetEmitNode.helpers, helper);
+                }
+            }
+            else if (helpersRemoved > 0) {
+                sourceEmitHelpers[i - helpersRemoved] = helper;
+            }
+        }
+        if (helpersRemoved > 0) {
+            sourceEmitHelpers.length -= helpersRemoved;
+        }
+    }
+    ts.moveEmitHelpers = moveEmitHelpers;
+    function compareEmitHelpers(x, y) {
+        if (x === y)
+            return 0;
+        if (x.priority === y.priority)
+            return 0;
+        if (x.priority === undefined)
+            return 1;
+        if (y.priority === undefined)
+            return -1;
+        return ts.compareValues(x.priority, y.priority);
+    }
+    ts.compareEmitHelpers = compareEmitHelpers;
+    function setOriginalNode(node, original) {
+        node.original = original;
+        if (original) {
+            var emitNode = original.emitNode;
+            if (emitNode)
+                node.emitNode = mergeEmitNode(emitNode, node.emitNode);
+        }
+        return node;
+    }
+    ts.setOriginalNode = setOriginalNode;
+    function mergeEmitNode(sourceEmitNode, destEmitNode) {
+        var flags = sourceEmitNode.flags, leadingComments = sourceEmitNode.leadingComments, trailingComments = sourceEmitNode.trailingComments, commentRange = sourceEmitNode.commentRange, sourceMapRange = sourceEmitNode.sourceMapRange, tokenSourceMapRanges = sourceEmitNode.tokenSourceMapRanges, constantValue = sourceEmitNode.constantValue, helpers = sourceEmitNode.helpers;
+        if (!destEmitNode)
+            destEmitNode = {};
+        if (leadingComments)
+            destEmitNode.leadingComments = ts.addRange(leadingComments.slice(), destEmitNode.leadingComments);
+        if (trailingComments)
+            destEmitNode.trailingComments = ts.addRange(trailingComments.slice(), destEmitNode.trailingComments);
+        if (flags)
+            destEmitNode.flags = flags;
+        if (commentRange)
+            destEmitNode.commentRange = commentRange;
+        if (sourceMapRange)
+            destEmitNode.sourceMapRange = sourceMapRange;
+        if (tokenSourceMapRanges)
+            destEmitNode.tokenSourceMapRanges = mergeTokenSourceMapRanges(tokenSourceMapRanges, destEmitNode.tokenSourceMapRanges);
+        if (constantValue !== undefined)
+            destEmitNode.constantValue = constantValue;
+        if (helpers)
+            destEmitNode.helpers = ts.addRange(destEmitNode.helpers, helpers);
+        return destEmitNode;
+    }
+    function mergeTokenSourceMapRanges(sourceRanges, destRanges) {
+        if (!destRanges)
+            destRanges = [];
+        for (var key in sourceRanges) {
+            destRanges[key] = sourceRanges[key];
+        }
+        return destRanges;
+    }
+})(ts || (ts = {}));
+(function (ts) {
+    ts.nullTransformationContext = {
+        enableEmitNotification: ts.noop,
+        enableSubstitution: ts.noop,
+        endLexicalEnvironment: function () { return undefined; },
+        getCompilerOptions: ts.notImplemented,
+        getEmitHost: ts.notImplemented,
+        getEmitResolver: ts.notImplemented,
+        hoistFunctionDeclaration: ts.noop,
+        hoistVariableDeclaration: ts.noop,
+        isEmitNotificationEnabled: ts.notImplemented,
+        isSubstitutionEnabled: ts.notImplemented,
+        onEmitNode: ts.noop,
+        onSubstituteNode: ts.notImplemented,
+        readEmitHelpers: ts.notImplemented,
+        requestEmitHelper: ts.noop,
+        resumeLexicalEnvironment: ts.noop,
+        startLexicalEnvironment: ts.noop,
+        suspendLexicalEnvironment: ts.noop
+    };
+    function createTypeCheck(value, tag) {
+        return tag === "undefined"
+            ? ts.createStrictEquality(value, ts.createVoidZero())
+            : ts.createStrictEquality(ts.createTypeOf(value), ts.createLiteral(tag));
+    }
+    ts.createTypeCheck = createTypeCheck;
+    function createMemberAccessForPropertyName(target, memberName, location) {
+        if (ts.isComputedPropertyName(memberName)) {
+            return ts.setTextRange(ts.createElementAccess(target, memberName.expression), location);
+        }
+        else {
+            var expression = ts.setTextRange(ts.isIdentifier(memberName)
+                ? ts.createPropertyAccess(target, memberName)
+                : ts.createElementAccess(target, memberName), memberName);
+            ts.getOrCreateEmitNode(expression).flags |= 64;
+            return expression;
+        }
+    }
+    ts.createMemberAccessForPropertyName = createMemberAccessForPropertyName;
+    function createFunctionCall(func, thisArg, argumentsList, location) {
+        return ts.setTextRange(ts.createCall(ts.createPropertyAccess(func, "call"), undefined, [
+            thisArg
+        ].concat(argumentsList)), location);
+    }
+    ts.createFunctionCall = createFunctionCall;
+    function createFunctionApply(func, thisArg, argumentsExpression, location) {
+        return ts.setTextRange(ts.createCall(ts.createPropertyAccess(func, "apply"), undefined, [
+            thisArg,
+            argumentsExpression
+        ]), location);
+    }
+    ts.createFunctionApply = createFunctionApply;
+    function createArraySlice(array, start) {
+        var argumentsList = [];
+        if (start !== undefined) {
+            argumentsList.push(typeof start === "number" ? ts.createLiteral(start) : start);
+        }
+        return ts.createCall(ts.createPropertyAccess(array, "slice"), undefined, argumentsList);
+    }
+    ts.createArraySlice = createArraySlice;
+    function createArrayConcat(array, values) {
+        return ts.createCall(ts.createPropertyAccess(array, "concat"), undefined, values);
+    }
+    ts.createArrayConcat = createArrayConcat;
+    function createMathPow(left, right, location) {
+        return ts.setTextRange(ts.createCall(ts.createPropertyAccess(ts.createIdentifier("Math"), "pow"), undefined, [left, right]), location);
+    }
+    ts.createMathPow = createMathPow;
+    function createReactNamespace(reactNamespace, parent) {
+        var react = ts.createIdentifier(reactNamespace || "React");
+        react.flags &= ~8;
+        react.parent = ts.getParseTreeNode(parent);
+        return react;
+    }
+    function createJsxFactoryExpressionFromEntityName(jsxFactory, parent) {
+        if (ts.isQualifiedName(jsxFactory)) {
+            var left = createJsxFactoryExpressionFromEntityName(jsxFactory.left, parent);
+            var right = ts.createIdentifier(ts.unescapeLeadingUnderscores(jsxFactory.right.escapedText));
+            right.escapedText = jsxFactory.right.escapedText;
+            return ts.createPropertyAccess(left, right);
+        }
+        else {
+            return createReactNamespace(ts.unescapeLeadingUnderscores(jsxFactory.escapedText), parent);
+        }
+    }
+    function createJsxFactoryExpression(jsxFactoryEntity, reactNamespace, parent) {
+        return jsxFactoryEntity ?
+            createJsxFactoryExpressionFromEntityName(jsxFactoryEntity, parent) :
+            ts.createPropertyAccess(createReactNamespace(reactNamespace, parent), "createElement");
+    }
+    function createExpressionForJsxElement(jsxFactoryEntity, reactNamespace, tagName, props, children, parentElement, location) {
+        var argumentsList = [tagName];
+        if (props) {
+            argumentsList.push(props);
+        }
+        if (children && children.length > 0) {
+            if (!props) {
+                argumentsList.push(ts.createNull());
+            }
+            if (children.length > 1) {
+                for (var _i = 0, children_1 = children; _i < children_1.length; _i++) {
+                    var child = children_1[_i];
+                    child.startsOnNewLine = true;
+                    argumentsList.push(child);
+                }
+            }
+            else {
+                argumentsList.push(children[0]);
+            }
+        }
+        return ts.setTextRange(ts.createCall(createJsxFactoryExpression(jsxFactoryEntity, reactNamespace, parentElement), undefined, argumentsList), location);
+    }
+    ts.createExpressionForJsxElement = createExpressionForJsxElement;
+    function getHelperName(name) {
+        return ts.setEmitFlags(ts.createIdentifier(name), 4096 | 2);
+    }
+    ts.getHelperName = getHelperName;
+    var valuesHelper = {
+        name: "typescript:values",
+        scoped: false,
+        text: "\n            var __values = (this && this.__values) || function (o) {\n                var m = typeof Symbol === \"function\" && o[Symbol.iterator], i = 0;\n                if (m) return m.call(o);\n                return {\n                    next: function () {\n                        if (o && i >= o.length) o = void 0;\n                        return { value: o && o[i++], done: !o };\n                    }\n                };\n            };\n        "
+    };
+    function createValuesHelper(context, expression, location) {
+        context.requestEmitHelper(valuesHelper);
+        return ts.setTextRange(ts.createCall(getHelperName("__values"), undefined, [expression]), location);
+    }
+    ts.createValuesHelper = createValuesHelper;
+    var readHelper = {
+        name: "typescript:read",
+        scoped: false,
+        text: "\n            var __read = (this && this.__read) || function (o, n) {\n                var m = typeof Symbol === \"function\" && o[Symbol.iterator];\n                if (!m) return o;\n                var i = m.call(o), r, ar = [], e;\n                try {\n                    while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);\n                }\n                catch (error) { e = { error: error }; }\n                finally {\n                    try {\n                        if (r && !r.done && (m = i[\"return\"])) m.call(i);\n                    }\n                    finally { if (e) throw e.error; }\n                }\n                return ar;\n            };\n        "
+    };
+    function createReadHelper(context, iteratorRecord, count, location) {
+        context.requestEmitHelper(readHelper);
+        return ts.setTextRange(ts.createCall(getHelperName("__read"), undefined, count !== undefined
+            ? [iteratorRecord, ts.createLiteral(count)]
+            : [iteratorRecord]), location);
+    }
+    ts.createReadHelper = createReadHelper;
+    var spreadHelper = {
+        name: "typescript:spread",
+        scoped: false,
+        text: "\n            var __spread = (this && this.__spread) || function () {\n                for (var ar = [], i = 0; i < arguments.length; i++) ar = ar.concat(__read(arguments[i]));\n                return ar;\n            };"
+    };
+    function createSpreadHelper(context, argumentList, location) {
+        context.requestEmitHelper(readHelper);
+        context.requestEmitHelper(spreadHelper);
+        return ts.setTextRange(ts.createCall(getHelperName("__spread"), undefined, argumentList), location);
+    }
+    ts.createSpreadHelper = createSpreadHelper;
+    function createForOfBindingStatement(node, boundValue) {
+        if (ts.isVariableDeclarationList(node)) {
+            var firstDeclaration = ts.firstOrUndefined(node.declarations);
+            var updatedDeclaration = ts.updateVariableDeclaration(firstDeclaration, firstDeclaration.name, undefined, boundValue);
+            return ts.setTextRange(ts.createVariableStatement(undefined, ts.updateVariableDeclarationList(node, [updatedDeclaration])), node);
+        }
+        else {
+            var updatedExpression = ts.setTextRange(ts.createAssignment(node, boundValue), node);
+            return ts.setTextRange(ts.createStatement(updatedExpression), node);
+        }
+    }
+    ts.createForOfBindingStatement = createForOfBindingStatement;
+    function insertLeadingStatement(dest, source) {
+        if (ts.isBlock(dest)) {
+            return ts.updateBlock(dest, ts.setTextRange(ts.createNodeArray([source].concat(dest.statements)), dest.statements));
+        }
+        else {
+            return ts.createBlock(ts.createNodeArray([dest, source]), true);
+        }
+    }
+    ts.insertLeadingStatement = insertLeadingStatement;
+    function restoreEnclosingLabel(node, outermostLabeledStatement, afterRestoreLabelCallback) {
+        if (!outermostLabeledStatement) {
+            return node;
+        }
+        var updated = ts.updateLabel(outermostLabeledStatement, outermostLabeledStatement.label, outermostLabeledStatement.statement.kind === 222
+            ? restoreEnclosingLabel(node, outermostLabeledStatement.statement)
+            : node);
+        if (afterRestoreLabelCallback) {
+            afterRestoreLabelCallback(outermostLabeledStatement);
+        }
+        return updated;
+    }
+    ts.restoreEnclosingLabel = restoreEnclosingLabel;
+    function shouldBeCapturedInTempVariable(node, cacheIdentifiers) {
+        var target = skipParentheses(node);
+        switch (target.kind) {
+            case 71:
+                return cacheIdentifiers;
+            case 99:
+            case 8:
+            case 9:
+                return false;
+            case 177:
+                var elements = target.elements;
+                if (elements.length === 0) {
+                    return false;
+                }
+                return true;
+            case 178:
+                return target.properties.length > 0;
+            default:
+                return true;
+        }
+    }
+    function createCallBinding(expression, recordTempVariable, languageVersion, cacheIdentifiers) {
+        var callee = skipOuterExpressions(expression, 7);
+        var thisArg;
+        var target;
+        if (ts.isSuperProperty(callee)) {
+            thisArg = ts.createThis();
+            target = callee;
+        }
+        else if (callee.kind === 97) {
+            thisArg = ts.createThis();
+            target = languageVersion < 2
+                ? ts.setTextRange(ts.createIdentifier("_super"), callee)
+                : callee;
+        }
+        else if (ts.getEmitFlags(callee) & 4096) {
+            thisArg = ts.createVoidZero();
+            target = parenthesizeForAccess(callee);
+        }
+        else {
+            switch (callee.kind) {
+                case 179: {
+                    if (shouldBeCapturedInTempVariable(callee.expression, cacheIdentifiers)) {
+                        thisArg = ts.createTempVariable(recordTempVariable);
+                        target = ts.createPropertyAccess(ts.setTextRange(ts.createAssignment(thisArg, callee.expression), callee.expression), callee.name);
+                        ts.setTextRange(target, callee);
+                    }
+                    else {
+                        thisArg = callee.expression;
+                        target = callee;
+                    }
+                    break;
+                }
+                case 180: {
+                    if (shouldBeCapturedInTempVariable(callee.expression, cacheIdentifiers)) {
+                        thisArg = ts.createTempVariable(recordTempVariable);
+                        target = ts.createElementAccess(ts.setTextRange(ts.createAssignment(thisArg, callee.expression), callee.expression), callee.argumentExpression);
+                        ts.setTextRange(target, callee);
+                    }
+                    else {
+                        thisArg = callee.expression;
+                        target = callee;
+                    }
+                    break;
+                }
+                default: {
+                    thisArg = ts.createVoidZero();
+                    target = parenthesizeForAccess(expression);
+                    break;
+                }
+            }
+        }
+        return { target: target, thisArg: thisArg };
+    }
+    ts.createCallBinding = createCallBinding;
+    function inlineExpressions(expressions) {
+        return expressions.length > 10
+            ? ts.createCommaList(expressions)
+            : ts.reduceLeft(expressions, ts.createComma);
+    }
+    ts.inlineExpressions = inlineExpressions;
+    function createExpressionFromEntityName(node) {
+        if (ts.isQualifiedName(node)) {
+            var left = createExpressionFromEntityName(node.left);
+            var right = ts.getMutableClone(node.right);
+            return ts.setTextRange(ts.createPropertyAccess(left, right), node);
+        }
+        else {
+            return ts.getMutableClone(node);
+        }
+    }
+    ts.createExpressionFromEntityName = createExpressionFromEntityName;
+    function createExpressionForPropertyName(memberName) {
+        if (ts.isIdentifier(memberName)) {
+            return ts.createLiteral(memberName);
+        }
+        else if (ts.isComputedPropertyName(memberName)) {
+            return ts.getMutableClone(memberName.expression);
+        }
+        else {
+            return ts.getMutableClone(memberName);
+        }
+    }
+    ts.createExpressionForPropertyName = createExpressionForPropertyName;
+    function createExpressionForObjectLiteralElementLike(node, property, receiver) {
+        switch (property.kind) {
+            case 153:
+            case 154:
+                return createExpressionForAccessorDeclaration(node.properties, property, receiver, node.multiLine);
+            case 261:
+                return createExpressionForPropertyAssignment(property, receiver);
+            case 262:
+                return createExpressionForShorthandPropertyAssignment(property, receiver);
+            case 151:
+                return createExpressionForMethodDeclaration(property, receiver);
+        }
+    }
+    ts.createExpressionForObjectLiteralElementLike = createExpressionForObjectLiteralElementLike;
+    function createExpressionForAccessorDeclaration(properties, property, receiver, multiLine) {
+        var _a = ts.getAllAccessorDeclarations(properties, property), firstAccessor = _a.firstAccessor, getAccessor = _a.getAccessor, setAccessor = _a.setAccessor;
+        if (property === firstAccessor) {
+            var properties_9 = [];
+            if (getAccessor) {
+                var getterFunction = ts.createFunctionExpression(getAccessor.modifiers, undefined, undefined, undefined, getAccessor.parameters, undefined, getAccessor.body);
+                ts.setTextRange(getterFunction, getAccessor);
+                ts.setOriginalNode(getterFunction, getAccessor);
+                var getter = ts.createPropertyAssignment("get", getterFunction);
+                properties_9.push(getter);
+            }
+            if (setAccessor) {
+                var setterFunction = ts.createFunctionExpression(setAccessor.modifiers, undefined, undefined, undefined, setAccessor.parameters, undefined, setAccessor.body);
+                ts.setTextRange(setterFunction, setAccessor);
+                ts.setOriginalNode(setterFunction, setAccessor);
+                var setter = ts.createPropertyAssignment("set", setterFunction);
+                properties_9.push(setter);
+            }
+            properties_9.push(ts.createPropertyAssignment("enumerable", ts.createTrue()));
+            properties_9.push(ts.createPropertyAssignment("configurable", ts.createTrue()));
+            var expression = ts.setTextRange(ts.createCall(ts.createPropertyAccess(ts.createIdentifier("Object"), "defineProperty"), undefined, [
+                receiver,
+                createExpressionForPropertyName(property.name),
+                ts.createObjectLiteral(properties_9, multiLine)
+            ]), firstAccessor);
+            return ts.aggregateTransformFlags(expression);
+        }
+        return undefined;
+    }
+    function createExpressionForPropertyAssignment(property, receiver) {
+        return ts.aggregateTransformFlags(ts.setOriginalNode(ts.setTextRange(ts.createAssignment(createMemberAccessForPropertyName(receiver, property.name, property.name), property.initializer), property), property));
+    }
+    function createExpressionForShorthandPropertyAssignment(property, receiver) {
+        return ts.aggregateTransformFlags(ts.setOriginalNode(ts.setTextRange(ts.createAssignment(createMemberAccessForPropertyName(receiver, property.name, property.name), ts.getSynthesizedClone(property.name)), property), property));
+    }
+    function createExpressionForMethodDeclaration(method, receiver) {
+        return ts.aggregateTransformFlags(ts.setOriginalNode(ts.setTextRange(ts.createAssignment(createMemberAccessForPropertyName(receiver, method.name, method.name), ts.setOriginalNode(ts.setTextRange(ts.createFunctionExpression(method.modifiers, method.asteriskToken, undefined, undefined, method.parameters, undefined, method.body), method), method)), method), method));
+    }
+    function getInternalName(node, allowComments, allowSourceMaps) {
+        return getName(node, allowComments, allowSourceMaps, 16384 | 32768);
+    }
+    ts.getInternalName = getInternalName;
+    function isInternalName(node) {
+        return (ts.getEmitFlags(node) & 32768) !== 0;
+    }
+    ts.isInternalName = isInternalName;
+    function getLocalName(node, allowComments, allowSourceMaps) {
+        return getName(node, allowComments, allowSourceMaps, 16384);
+    }
+    ts.getLocalName = getLocalName;
+    function isLocalName(node) {
+        return (ts.getEmitFlags(node) & 16384) !== 0;
+    }
+    ts.isLocalName = isLocalName;
+    function getExportName(node, allowComments, allowSourceMaps) {
+        return getName(node, allowComments, allowSourceMaps, 8192);
+    }
+    ts.getExportName = getExportName;
+    function isExportName(node) {
+        return (ts.getEmitFlags(node) & 8192) !== 0;
+    }
+    ts.isExportName = isExportName;
+    function getDeclarationName(node, allowComments, allowSourceMaps) {
+        return getName(node, allowComments, allowSourceMaps);
+    }
+    ts.getDeclarationName = getDeclarationName;
+    function getName(node, allowComments, allowSourceMaps, emitFlags) {
+        var nodeName = ts.getNameOfDeclaration(node);
+        if (nodeName && ts.isIdentifier(nodeName) && !ts.isGeneratedIdentifier(nodeName)) {
+            var name = ts.getMutableClone(nodeName);
+            emitFlags |= ts.getEmitFlags(nodeName);
+            if (!allowSourceMaps)
+                emitFlags |= 48;
+            if (!allowComments)
+                emitFlags |= 1536;
+            if (emitFlags)
+                ts.setEmitFlags(name, emitFlags);
+            return name;
+        }
+        return ts.getGeneratedNameForNode(node);
+    }
+    function getExternalModuleOrNamespaceExportName(ns, node, allowComments, allowSourceMaps) {
+        if (ns && ts.hasModifier(node, 1)) {
+            return getNamespaceMemberName(ns, getName(node), allowComments, allowSourceMaps);
+        }
+        return getExportName(node, allowComments, allowSourceMaps);
+    }
+    ts.getExternalModuleOrNamespaceExportName = getExternalModuleOrNamespaceExportName;
+    function getNamespaceMemberName(ns, name, allowComments, allowSourceMaps) {
+        var qualifiedName = ts.createPropertyAccess(ns, ts.nodeIsSynthesized(name) ? name : ts.getSynthesizedClone(name));
+        ts.setTextRange(qualifiedName, name);
+        var emitFlags;
+        if (!allowSourceMaps)
+            emitFlags |= 48;
+        if (!allowComments)
+            emitFlags |= 1536;
+        if (emitFlags)
+            ts.setEmitFlags(qualifiedName, emitFlags);
+        return qualifiedName;
+    }
+    ts.getNamespaceMemberName = getNamespaceMemberName;
+    function convertToFunctionBody(node, multiLine) {
+        return ts.isBlock(node) ? node : ts.setTextRange(ts.createBlock([ts.setTextRange(ts.createReturn(node), node)], multiLine), node);
+    }
+    ts.convertToFunctionBody = convertToFunctionBody;
+    function convertFunctionDeclarationToExpression(node) {
+        ts.Debug.assert(!!node.body);
+        var updated = ts.createFunctionExpression(node.modifiers, node.asteriskToken, node.name, node.typeParameters, node.parameters, node.type, node.body);
+        ts.setOriginalNode(updated, node);
+        ts.setTextRange(updated, node);
+        if (node.startsOnNewLine) {
+            updated.startsOnNewLine = true;
+        }
+        ts.aggregateTransformFlags(updated);
+        return updated;
+    }
+    ts.convertFunctionDeclarationToExpression = convertFunctionDeclarationToExpression;
+    function isUseStrictPrologue(node) {
+        return ts.isStringLiteral(node.expression) && node.expression.text === "use strict";
+    }
+    function addPrologue(target, source, ensureUseStrict, visitor) {
+        var offset = addStandardPrologue(target, source, ensureUseStrict);
+        return addCustomPrologue(target, source, offset, visitor);
+    }
+    ts.addPrologue = addPrologue;
+    function addStandardPrologue(target, source, ensureUseStrict) {
+        ts.Debug.assert(target.length === 0, "Prologue directives should be at the first statement in the target statements array");
+        var foundUseStrict = false;
+        var statementOffset = 0;
+        var numStatements = source.length;
+        while (statementOffset < numStatements) {
+            var statement = source[statementOffset];
+            if (ts.isPrologueDirective(statement)) {
+                if (isUseStrictPrologue(statement)) {
+                    foundUseStrict = true;
+                }
+                target.push(statement);
+            }
+            else {
+                break;
+            }
+            statementOffset++;
+        }
+        if (ensureUseStrict && !foundUseStrict) {
+            target.push(startOnNewLine(ts.createStatement(ts.createLiteral("use strict"))));
+        }
+        return statementOffset;
+    }
+    ts.addStandardPrologue = addStandardPrologue;
+    function addCustomPrologue(target, source, statementOffset, visitor) {
+        var numStatements = source.length;
+        while (statementOffset < numStatements) {
+            var statement = source[statementOffset];
+            if (ts.getEmitFlags(statement) & 1048576) {
+                target.push(visitor ? ts.visitNode(statement, visitor, ts.isStatement) : statement);
+            }
+            else {
+                break;
+            }
+            statementOffset++;
+        }
+        return statementOffset;
+    }
+    ts.addCustomPrologue = addCustomPrologue;
+    function startsWithUseStrict(statements) {
+        var firstStatement = ts.firstOrUndefined(statements);
+        return firstStatement !== undefined
+            && ts.isPrologueDirective(firstStatement)
+            && isUseStrictPrologue(firstStatement);
+    }
+    ts.startsWithUseStrict = startsWithUseStrict;
+    function ensureUseStrict(statements) {
+        var foundUseStrict = false;
+        for (var _i = 0, statements_3 = statements; _i < statements_3.length; _i++) {
+            var statement = statements_3[_i];
+            if (ts.isPrologueDirective(statement)) {
+                if (isUseStrictPrologue(statement)) {
+                    foundUseStrict = true;
+                    break;
+                }
+            }
+            else {
+                break;
+            }
+        }
+        if (!foundUseStrict) {
+            return ts.setTextRange(ts.createNodeArray([
+                startOnNewLine(ts.createStatement(ts.createLiteral("use strict")))
+            ].concat(statements)), statements);
+        }
+        return statements;
+    }
+    ts.ensureUseStrict = ensureUseStrict;
+    function parenthesizeBinaryOperand(binaryOperator, operand, isLeftSideOfBinary, leftOperand) {
+        var skipped = ts.skipPartiallyEmittedExpressions(operand);
+        if (skipped.kind === 185) {
+            return operand;
+        }
+        return binaryOperandNeedsParentheses(binaryOperator, operand, isLeftSideOfBinary, leftOperand)
+            ? ts.createParen(operand)
+            : operand;
+    }
+    ts.parenthesizeBinaryOperand = parenthesizeBinaryOperand;
+    function binaryOperandNeedsParentheses(binaryOperator, operand, isLeftSideOfBinary, leftOperand) {
+        var binaryOperatorPrecedence = ts.getOperatorPrecedence(194, binaryOperator);
+        var binaryOperatorAssociativity = ts.getOperatorAssociativity(194, binaryOperator);
+        var emittedOperand = ts.skipPartiallyEmittedExpressions(operand);
+        var operandPrecedence = ts.getExpressionPrecedence(emittedOperand);
+        switch (ts.compareValues(operandPrecedence, binaryOperatorPrecedence)) {
+            case -1:
+                if (!isLeftSideOfBinary
+                    && binaryOperatorAssociativity === 1
+                    && operand.kind === 197) {
+                    return false;
+                }
+                return true;
+            case 1:
+                return false;
+            case 0:
+                if (isLeftSideOfBinary) {
+                    return binaryOperatorAssociativity === 1;
+                }
+                else {
+                    if (ts.isBinaryExpression(emittedOperand)
+                        && emittedOperand.operatorToken.kind === binaryOperator) {
+                        if (operatorHasAssociativeProperty(binaryOperator)) {
+                            return false;
+                        }
+                        if (binaryOperator === 37) {
+                            var leftKind = leftOperand ? getLiteralKindOfBinaryPlusOperand(leftOperand) : 0;
+                            if (ts.isLiteralKind(leftKind) && leftKind === getLiteralKindOfBinaryPlusOperand(emittedOperand)) {
+                                return false;
+                            }
+                        }
+                    }
+                    var operandAssociativity = ts.getExpressionAssociativity(emittedOperand);
+                    return operandAssociativity === 0;
+                }
+        }
+    }
+    function operatorHasAssociativeProperty(binaryOperator) {
+        return binaryOperator === 39
+            || binaryOperator === 49
+            || binaryOperator === 48
+            || binaryOperator === 50;
+    }
+    function getLiteralKindOfBinaryPlusOperand(node) {
+        node = ts.skipPartiallyEmittedExpressions(node);
+        if (ts.isLiteralKind(node.kind)) {
+            return node.kind;
+        }
+        if (node.kind === 194 && node.operatorToken.kind === 37) {
+            if (node.cachedLiteralKind !== undefined) {
+                return node.cachedLiteralKind;
+            }
+            var leftKind = getLiteralKindOfBinaryPlusOperand(node.left);
+            var literalKind = ts.isLiteralKind(leftKind)
+                && leftKind === getLiteralKindOfBinaryPlusOperand(node.right)
+                ? leftKind
+                : 0;
+            node.cachedLiteralKind = literalKind;
+            return literalKind;
+        }
+        return 0;
+    }
+    function parenthesizeForConditionalHead(condition) {
+        var conditionalPrecedence = ts.getOperatorPrecedence(195, 55);
+        var emittedCondition = ts.skipPartiallyEmittedExpressions(condition);
+        var conditionPrecedence = ts.getExpressionPrecedence(emittedCondition);
+        if (ts.compareValues(conditionPrecedence, conditionalPrecedence) === -1) {
+            return ts.createParen(condition);
+        }
+        return condition;
+    }
+    ts.parenthesizeForConditionalHead = parenthesizeForConditionalHead;
+    function parenthesizeSubexpressionOfConditionalExpression(e) {
+        return e.kind === 194 && e.operatorToken.kind === 26
+            ? ts.createParen(e)
+            : e;
+    }
+    ts.parenthesizeSubexpressionOfConditionalExpression = parenthesizeSubexpressionOfConditionalExpression;
+    function parenthesizeForNew(expression) {
+        var emittedExpression = ts.skipPartiallyEmittedExpressions(expression);
+        switch (emittedExpression.kind) {
+            case 181:
+                return ts.createParen(expression);
+            case 182:
+                return emittedExpression.arguments
+                    ? expression
+                    : ts.createParen(expression);
+        }
+        return parenthesizeForAccess(expression);
+    }
+    ts.parenthesizeForNew = parenthesizeForNew;
+    function parenthesizeForAccess(expression) {
+        var emittedExpression = ts.skipPartiallyEmittedExpressions(expression);
+        if (ts.isLeftHandSideExpression(emittedExpression)
+            && (emittedExpression.kind !== 182 || emittedExpression.arguments)) {
+            return expression;
+        }
+        return ts.setTextRange(ts.createParen(expression), expression);
+    }
+    ts.parenthesizeForAccess = parenthesizeForAccess;
+    function parenthesizePostfixOperand(operand) {
+        return ts.isLeftHandSideExpression(operand)
+            ? operand
+            : ts.setTextRange(ts.createParen(operand), operand);
+    }
+    ts.parenthesizePostfixOperand = parenthesizePostfixOperand;
+    function parenthesizePrefixOperand(operand) {
+        return ts.isUnaryExpression(operand)
+            ? operand
+            : ts.setTextRange(ts.createParen(operand), operand);
+    }
+    ts.parenthesizePrefixOperand = parenthesizePrefixOperand;
+    function parenthesizeListElements(elements) {
+        var result;
+        for (var i = 0; i < elements.length; i++) {
+            var element = parenthesizeExpressionForList(elements[i]);
+            if (result !== undefined || element !== elements[i]) {
+                if (result === undefined) {
+                    result = elements.slice(0, i);
+                }
+                result.push(element);
+            }
+        }
+        if (result !== undefined) {
+            return ts.setTextRange(ts.createNodeArray(result, elements.hasTrailingComma), elements);
+        }
+        return elements;
+    }
+    ts.parenthesizeListElements = parenthesizeListElements;
+    function parenthesizeExpressionForList(expression) {
+        var emittedExpression = ts.skipPartiallyEmittedExpressions(expression);
+        var expressionPrecedence = ts.getExpressionPrecedence(emittedExpression);
+        var commaPrecedence = ts.getOperatorPrecedence(194, 26);
+        return expressionPrecedence > commaPrecedence
+            ? expression
+            : ts.setTextRange(ts.createParen(expression), expression);
+    }
+    ts.parenthesizeExpressionForList = parenthesizeExpressionForList;
+    function parenthesizeExpressionForExpressionStatement(expression) {
+        var emittedExpression = ts.skipPartiallyEmittedExpressions(expression);
+        if (ts.isCallExpression(emittedExpression)) {
+            var callee = emittedExpression.expression;
+            var kind = ts.skipPartiallyEmittedExpressions(callee).kind;
+            if (kind === 186 || kind === 187) {
+                var mutableCall = ts.getMutableClone(emittedExpression);
+                mutableCall.expression = ts.setTextRange(ts.createParen(callee), callee);
+                return recreateOuterExpressions(expression, mutableCall, 4);
+            }
+        }
+        else {
+            var leftmostExpressionKind = getLeftmostExpression(emittedExpression).kind;
+            if (leftmostExpressionKind === 178 || leftmostExpressionKind === 186) {
+                return ts.setTextRange(ts.createParen(expression), expression);
+            }
+        }
+        return expression;
+    }
+    ts.parenthesizeExpressionForExpressionStatement = parenthesizeExpressionForExpressionStatement;
+    function parenthesizeElementTypeMember(member) {
+        switch (member.kind) {
+            case 166:
+            case 167:
+            case 160:
+            case 161:
+                return ts.createParenthesizedType(member);
+        }
+        return member;
+    }
+    ts.parenthesizeElementTypeMember = parenthesizeElementTypeMember;
+    function parenthesizeArrayTypeMember(member) {
+        switch (member.kind) {
+            case 162:
+            case 170:
+                return ts.createParenthesizedType(member);
+        }
+        return parenthesizeElementTypeMember(member);
+    }
+    ts.parenthesizeArrayTypeMember = parenthesizeArrayTypeMember;
+    function parenthesizeElementTypeMembers(members) {
+        return ts.createNodeArray(ts.sameMap(members, parenthesizeElementTypeMember));
+    }
+    ts.parenthesizeElementTypeMembers = parenthesizeElementTypeMembers;
+    function parenthesizeTypeParameters(typeParameters) {
+        if (ts.some(typeParameters)) {
+            var params = [];
+            for (var i = 0; i < typeParameters.length; ++i) {
+                var entry = typeParameters[i];
+                params.push(i === 0 && ts.isFunctionOrConstructorTypeNode(entry) && entry.typeParameters ?
+                    ts.createParenthesizedType(entry) :
+                    entry);
+            }
+            return ts.createNodeArray(params);
+        }
+    }
+    ts.parenthesizeTypeParameters = parenthesizeTypeParameters;
+    function getLeftmostExpression(node) {
+        while (true) {
+            switch (node.kind) {
+                case 193:
+                    node = node.operand;
+                    continue;
+                case 194:
+                    node = node.left;
+                    continue;
+                case 195:
+                    node = node.condition;
+                    continue;
+                case 181:
+                case 180:
+                case 179:
+                    node = node.expression;
+                    continue;
+                case 288:
+                    node = node.expression;
+                    continue;
+            }
+            return node;
+        }
+    }
+    function parenthesizeConciseBody(body) {
+        if (!ts.isBlock(body) && getLeftmostExpression(body).kind === 178) {
+            return ts.setTextRange(ts.createParen(body), body);
+        }
+        return body;
+    }
+    ts.parenthesizeConciseBody = parenthesizeConciseBody;
+    var OuterExpressionKinds;
+    (function (OuterExpressionKinds) {
+        OuterExpressionKinds[OuterExpressionKinds["Parentheses"] = 1] = "Parentheses";
+        OuterExpressionKinds[OuterExpressionKinds["Assertions"] = 2] = "Assertions";
+        OuterExpressionKinds[OuterExpressionKinds["PartiallyEmittedExpressions"] = 4] = "PartiallyEmittedExpressions";
+        OuterExpressionKinds[OuterExpressionKinds["All"] = 7] = "All";
+    })(OuterExpressionKinds = ts.OuterExpressionKinds || (ts.OuterExpressionKinds = {}));
+    function isOuterExpression(node, kinds) {
+        if (kinds === void 0) { kinds = 7; }
+        switch (node.kind) {
+            case 185:
+                return (kinds & 1) !== 0;
+            case 184:
+            case 202:
+            case 203:
+                return (kinds & 2) !== 0;
+            case 288:
+                return (kinds & 4) !== 0;
+        }
+        return false;
+    }
+    ts.isOuterExpression = isOuterExpression;
+    function skipOuterExpressions(node, kinds) {
+        if (kinds === void 0) { kinds = 7; }
+        var previousNode;
+        do {
+            previousNode = node;
+            if (kinds & 1) {
+                node = skipParentheses(node);
+            }
+            if (kinds & 2) {
+                node = skipAssertions(node);
+            }
+            if (kinds & 4) {
+                node = ts.skipPartiallyEmittedExpressions(node);
+            }
+        } while (previousNode !== node);
+        return node;
+    }
+    ts.skipOuterExpressions = skipOuterExpressions;
+    function skipParentheses(node) {
+        while (node.kind === 185) {
+            node = node.expression;
+        }
+        return node;
+    }
+    ts.skipParentheses = skipParentheses;
+    function skipAssertions(node) {
+        while (ts.isAssertionExpression(node) || node.kind === 203) {
+            node = node.expression;
+        }
+        return node;
+    }
+    ts.skipAssertions = skipAssertions;
+    function updateOuterExpression(outerExpression, expression) {
+        switch (outerExpression.kind) {
+            case 185: return ts.updateParen(outerExpression, expression);
+            case 184: return ts.updateTypeAssertion(outerExpression, outerExpression.type, expression);
+            case 202: return ts.updateAsExpression(outerExpression, expression, outerExpression.type);
+            case 203: return ts.updateNonNullExpression(outerExpression, expression);
+            case 288: return ts.updatePartiallyEmittedExpression(outerExpression, expression);
+        }
+    }
+    function isIgnorableParen(node) {
+        return node.kind === 185
+            && ts.nodeIsSynthesized(node)
+            && ts.nodeIsSynthesized(ts.getSourceMapRange(node))
+            && ts.nodeIsSynthesized(ts.getCommentRange(node))
+            && !ts.some(ts.getSyntheticLeadingComments(node))
+            && !ts.some(ts.getSyntheticTrailingComments(node));
+    }
+    function recreateOuterExpressions(outerExpression, innerExpression, kinds) {
+        if (kinds === void 0) { kinds = 7; }
+        if (outerExpression && isOuterExpression(outerExpression, kinds) && !isIgnorableParen(outerExpression)) {
+            return updateOuterExpression(outerExpression, recreateOuterExpressions(outerExpression.expression, innerExpression));
+        }
+        return innerExpression;
+    }
+    ts.recreateOuterExpressions = recreateOuterExpressions;
+    function startOnNewLine(node) {
+        node.startsOnNewLine = true;
+        return node;
+    }
+    ts.startOnNewLine = startOnNewLine;
+    function getExternalHelpersModuleName(node) {
+        var parseNode = ts.getOriginalNode(node, ts.isSourceFile);
+        var emitNode = parseNode && parseNode.emitNode;
+        return emitNode && emitNode.externalHelpersModuleName;
+    }
+    ts.getExternalHelpersModuleName = getExternalHelpersModuleName;
+    function getOrCreateExternalHelpersModuleNameIfNeeded(node, compilerOptions, hasExportStarsToExportValues) {
+        if (compilerOptions.importHelpers && ts.isEffectiveExternalModule(node, compilerOptions)) {
+            var externalHelpersModuleName = getExternalHelpersModuleName(node);
+            if (externalHelpersModuleName) {
+                return externalHelpersModuleName;
+            }
+            var moduleKind = ts.getEmitModuleKind(compilerOptions);
+            var create = hasExportStarsToExportValues
+                && moduleKind !== ts.ModuleKind.System
+                && moduleKind !== ts.ModuleKind.ES2015;
+            if (!create) {
+                var helpers = ts.getEmitHelpers(node);
+                if (helpers) {
+                    for (var _i = 0, helpers_2 = helpers; _i < helpers_2.length; _i++) {
+                        var helper = helpers_2[_i];
+                        if (!helper.scoped) {
+                            create = true;
+                            break;
+                        }
+                    }
+                }
+            }
+            if (create) {
+                var parseNode = ts.getOriginalNode(node, ts.isSourceFile);
+                var emitNode = ts.getOrCreateEmitNode(parseNode);
+                return emitNode.externalHelpersModuleName || (emitNode.externalHelpersModuleName = ts.createUniqueName(ts.externalHelpersModuleNameText));
+            }
+        }
+    }
+    ts.getOrCreateExternalHelpersModuleNameIfNeeded = getOrCreateExternalHelpersModuleNameIfNeeded;
+    function getLocalNameForExternalImport(node, sourceFile) {
+        var namespaceDeclaration = ts.getNamespaceDeclarationNode(node);
+        if (namespaceDeclaration && !ts.isDefaultImport(node)) {
+            var name = namespaceDeclaration.name;
+            return ts.isGeneratedIdentifier(name) ? name : ts.createIdentifier(ts.getSourceTextOfNodeFromSourceFile(sourceFile, namespaceDeclaration.name));
+        }
+        if (node.kind === 238 && node.importClause) {
+            return ts.getGeneratedNameForNode(node);
+        }
+        if (node.kind === 244 && node.moduleSpecifier) {
+            return ts.getGeneratedNameForNode(node);
+        }
+        return undefined;
+    }
+    ts.getLocalNameForExternalImport = getLocalNameForExternalImport;
+    function getExternalModuleNameLiteral(importNode, sourceFile, host, resolver, compilerOptions) {
+        var moduleName = ts.getExternalModuleName(importNode);
+        if (moduleName.kind === 9) {
+            return tryGetModuleNameFromDeclaration(importNode, host, resolver, compilerOptions)
+                || tryRenameExternalModule(moduleName, sourceFile)
+                || ts.getSynthesizedClone(moduleName);
+        }
+        return undefined;
+    }
+    ts.getExternalModuleNameLiteral = getExternalModuleNameLiteral;
+    function tryRenameExternalModule(moduleName, sourceFile) {
+        var rename = sourceFile.renamedDependencies && sourceFile.renamedDependencies.get(moduleName.text);
+        return rename && ts.createLiteral(rename);
+    }
+    function tryGetModuleNameFromFile(file, host, options) {
+        if (!file) {
+            return undefined;
+        }
+        if (file.moduleName) {
+            return ts.createLiteral(file.moduleName);
+        }
+        if (!file.isDeclarationFile && (options.out || options.outFile)) {
+            return ts.createLiteral(ts.getExternalModuleNameFromPath(host, file.fileName));
+        }
+        return undefined;
+    }
+    ts.tryGetModuleNameFromFile = tryGetModuleNameFromFile;
+    function tryGetModuleNameFromDeclaration(declaration, host, resolver, compilerOptions) {
+        return tryGetModuleNameFromFile(resolver.getExternalModuleFileFromDeclaration(declaration), host, compilerOptions);
+    }
+    function getInitializerOfBindingOrAssignmentElement(bindingElement) {
+        if (ts.isDeclarationBindingElement(bindingElement)) {
+            return bindingElement.initializer;
+        }
+        if (ts.isPropertyAssignment(bindingElement)) {
+            return ts.isAssignmentExpression(bindingElement.initializer, true)
+                ? bindingElement.initializer.right
+                : undefined;
+        }
+        if (ts.isShorthandPropertyAssignment(bindingElement)) {
+            return bindingElement.objectAssignmentInitializer;
+        }
+        if (ts.isAssignmentExpression(bindingElement, true)) {
+            return bindingElement.right;
+        }
+        if (ts.isSpreadElement(bindingElement)) {
+            return getInitializerOfBindingOrAssignmentElement(bindingElement.expression);
+        }
+    }
+    ts.getInitializerOfBindingOrAssignmentElement = getInitializerOfBindingOrAssignmentElement;
+    function getTargetOfBindingOrAssignmentElement(bindingElement) {
+        if (ts.isDeclarationBindingElement(bindingElement)) {
+            return bindingElement.name;
+        }
+        if (ts.isObjectLiteralElementLike(bindingElement)) {
+            switch (bindingElement.kind) {
+                case 261:
+                    return getTargetOfBindingOrAssignmentElement(bindingElement.initializer);
+                case 262:
+                    return bindingElement.name;
+                case 263:
+                    return getTargetOfBindingOrAssignmentElement(bindingElement.expression);
+            }
+            return undefined;
+        }
+        if (ts.isAssignmentExpression(bindingElement, true)) {
+            return getTargetOfBindingOrAssignmentElement(bindingElement.left);
+        }
+        if (ts.isSpreadElement(bindingElement)) {
+            return getTargetOfBindingOrAssignmentElement(bindingElement.expression);
+        }
+        return bindingElement;
+    }
+    ts.getTargetOfBindingOrAssignmentElement = getTargetOfBindingOrAssignmentElement;
+    function getRestIndicatorOfBindingOrAssignmentElement(bindingElement) {
+        switch (bindingElement.kind) {
+            case 146:
+            case 176:
+                return bindingElement.dotDotDotToken;
+            case 198:
+            case 263:
+                return bindingElement;
+        }
+        return undefined;
+    }
+    ts.getRestIndicatorOfBindingOrAssignmentElement = getRestIndicatorOfBindingOrAssignmentElement;
+    function getPropertyNameOfBindingOrAssignmentElement(bindingElement) {
+        switch (bindingElement.kind) {
+            case 176:
+                if (bindingElement.propertyName) {
+                    var propertyName = bindingElement.propertyName;
+                    return ts.isComputedPropertyName(propertyName) && ts.isStringOrNumericLiteral(propertyName.expression)
+                        ? propertyName.expression
+                        : propertyName;
+                }
+                break;
+            case 261:
+                if (bindingElement.name) {
+                    var propertyName = bindingElement.name;
+                    return ts.isComputedPropertyName(propertyName) && ts.isStringOrNumericLiteral(propertyName.expression)
+                        ? propertyName.expression
+                        : propertyName;
+                }
+                break;
+            case 263:
+                return bindingElement.name;
+        }
+        var target = getTargetOfBindingOrAssignmentElement(bindingElement);
+        if (target && ts.isPropertyName(target)) {
+            return ts.isComputedPropertyName(target) && ts.isStringOrNumericLiteral(target.expression)
+                ? target.expression
+                : target;
+        }
+        ts.Debug.fail("Invalid property name for binding element.");
+    }
+    ts.getPropertyNameOfBindingOrAssignmentElement = getPropertyNameOfBindingOrAssignmentElement;
+    function getElementsOfBindingOrAssignmentPattern(name) {
+        switch (name.kind) {
+            case 174:
+            case 175:
+            case 177:
+                return name.elements;
+            case 178:
+                return name.properties;
+        }
+    }
+    ts.getElementsOfBindingOrAssignmentPattern = getElementsOfBindingOrAssignmentPattern;
+    function convertToArrayAssignmentElement(element) {
+        if (ts.isBindingElement(element)) {
+            if (element.dotDotDotToken) {
+                ts.Debug.assertNode(element.name, ts.isIdentifier);
+                return ts.setOriginalNode(ts.setTextRange(ts.createSpread(element.name), element), element);
+            }
+            var expression = convertToAssignmentElementTarget(element.name);
+            return element.initializer
+                ? ts.setOriginalNode(ts.setTextRange(ts.createAssignment(expression, element.initializer), element), element)
+                : expression;
+        }
+        ts.Debug.assertNode(element, ts.isExpression);
+        return element;
+    }
+    ts.convertToArrayAssignmentElement = convertToArrayAssignmentElement;
+    function convertToObjectAssignmentElement(element) {
+        if (ts.isBindingElement(element)) {
+            if (element.dotDotDotToken) {
+                ts.Debug.assertNode(element.name, ts.isIdentifier);
+                return ts.setOriginalNode(ts.setTextRange(ts.createSpreadAssignment(element.name), element), element);
+            }
+            if (element.propertyName) {
+                var expression = convertToAssignmentElementTarget(element.name);
+                return ts.setOriginalNode(ts.setTextRange(ts.createPropertyAssignment(element.propertyName, element.initializer ? ts.createAssignment(expression, element.initializer) : expression), element), element);
+            }
+            ts.Debug.assertNode(element.name, ts.isIdentifier);
+            return ts.setOriginalNode(ts.setTextRange(ts.createShorthandPropertyAssignment(element.name, element.initializer), element), element);
+        }
+        ts.Debug.assertNode(element, ts.isObjectLiteralElementLike);
+        return element;
+    }
+    ts.convertToObjectAssignmentElement = convertToObjectAssignmentElement;
+    function convertToAssignmentPattern(node) {
+        switch (node.kind) {
+            case 175:
+            case 177:
+                return convertToArrayAssignmentPattern(node);
+            case 174:
+            case 178:
+                return convertToObjectAssignmentPattern(node);
+        }
+    }
+    ts.convertToAssignmentPattern = convertToAssignmentPattern;
+    function convertToObjectAssignmentPattern(node) {
+        if (ts.isObjectBindingPattern(node)) {
+            return ts.setOriginalNode(ts.setTextRange(ts.createObjectLiteral(ts.map(node.elements, convertToObjectAssignmentElement)), node), node);
+        }
+        ts.Debug.assertNode(node, ts.isObjectLiteralExpression);
+        return node;
+    }
+    ts.convertToObjectAssignmentPattern = convertToObjectAssignmentPattern;
+    function convertToArrayAssignmentPattern(node) {
+        if (ts.isArrayBindingPattern(node)) {
+            return ts.setOriginalNode(ts.setTextRange(ts.createArrayLiteral(ts.map(node.elements, convertToArrayAssignmentElement)), node), node);
+        }
+        ts.Debug.assertNode(node, ts.isArrayLiteralExpression);
+        return node;
+    }
+    ts.convertToArrayAssignmentPattern = convertToArrayAssignmentPattern;
+    function convertToAssignmentElementTarget(node) {
+        if (ts.isBindingPattern(node)) {
+            return convertToAssignmentPattern(node);
+        }
+        ts.Debug.assertNode(node, ts.isExpression);
+        return node;
+    }
+    ts.convertToAssignmentElementTarget = convertToAssignmentElementTarget;
 })(ts || (ts = {}));
 var ts;
 (function (ts) {
@@ -43659,7 +44185,7 @@ var ts;
             case 148:
                 return ts.updatePropertySignature(node, nodesVisitor(node.modifiers, visitor, ts.isToken), visitNode(node.name, visitor, ts.isPropertyName), visitNode(node.questionToken, tokenVisitor, ts.isToken), visitNode(node.type, visitor, ts.isTypeNode), visitNode(node.initializer, visitor, ts.isExpression));
             case 149:
-                return ts.updateProperty(node, nodesVisitor(node.decorators, visitor, ts.isDecorator), nodesVisitor(node.modifiers, visitor, ts.isModifier), visitNode(node.name, visitor, ts.isPropertyName), visitNode(node.type, visitor, ts.isTypeNode), visitNode(node.initializer, visitor, ts.isExpression));
+                return ts.updateProperty(node, nodesVisitor(node.decorators, visitor, ts.isDecorator), nodesVisitor(node.modifiers, visitor, ts.isModifier), visitNode(node.name, visitor, ts.isPropertyName), visitNode(node.questionToken, tokenVisitor, ts.isToken), visitNode(node.type, visitor, ts.isTypeNode), visitNode(node.initializer, visitor, ts.isExpression));
             case 150:
                 return ts.updateMethodSignature(node, nodesVisitor(node.typeParameters, visitor, ts.isTypeParameterDeclaration), nodesVisitor(node.parameters, visitor, ts.isParameterDeclaration), visitNode(node.type, visitor, ts.isTypeNode), visitNode(node.name, visitor, ts.isPropertyName), visitNode(node.questionToken, tokenVisitor, ts.isToken));
             case 151:
@@ -43733,7 +44259,7 @@ var ts;
             case 186:
                 return ts.updateFunctionExpression(node, nodesVisitor(node.modifiers, visitor, ts.isModifier), visitNode(node.asteriskToken, tokenVisitor, ts.isToken), visitNode(node.name, visitor, ts.isIdentifier), nodesVisitor(node.typeParameters, visitor, ts.isTypeParameterDeclaration), visitParameterList(node.parameters, visitor, context, nodesVisitor), visitNode(node.type, visitor, ts.isTypeNode), visitFunctionBody(node.body, visitor, context));
             case 187:
-                return ts.updateArrowFunction(node, nodesVisitor(node.modifiers, visitor, ts.isModifier), nodesVisitor(node.typeParameters, visitor, ts.isTypeParameterDeclaration), visitParameterList(node.parameters, visitor, context, nodesVisitor), visitNode(node.type, visitor, ts.isTypeNode), visitFunctionBody(node.body, visitor, context));
+                return ts.updateArrowFunction(node, nodesVisitor(node.modifiers, visitor, ts.isModifier), nodesVisitor(node.typeParameters, visitor, ts.isTypeParameterDeclaration), visitParameterList(node.parameters, visitor, context, nodesVisitor), visitNode(node.type, visitor, ts.isTypeNode), visitNode(node.equalsGreaterThanToken, visitor, ts.isToken), visitFunctionBody(node.body, visitor, context));
             case 188:
                 return ts.updateDelete(node, visitNode(node.expression, visitor, ts.isExpression));
             case 189:
@@ -43749,7 +44275,7 @@ var ts;
             case 194:
                 return ts.updateBinary(node, visitNode(node.left, visitor, ts.isExpression), visitNode(node.right, visitor, ts.isExpression), visitNode(node.operatorToken, visitor, ts.isToken));
             case 195:
-                return ts.updateConditional(node, visitNode(node.condition, visitor, ts.isExpression), visitNode(node.whenTrue, visitor, ts.isExpression), visitNode(node.whenFalse, visitor, ts.isExpression));
+                return ts.updateConditional(node, visitNode(node.condition, visitor, ts.isExpression), visitNode(node.questionToken, visitor, ts.isToken), visitNode(node.whenTrue, visitor, ts.isExpression), visitNode(node.colonToken, visitor, ts.isToken), visitNode(node.whenFalse, visitor, ts.isExpression));
             case 196:
                 return ts.updateTemplateExpression(node, visitNode(node.head, visitor, ts.isTemplateHead), nodesVisitor(node.templateSpans, visitor, ts.isTemplateSpan));
             case 197:
@@ -43880,9 +44406,9 @@ var ts;
                 return ts.updateEnumMember(node, visitNode(node.name, visitor, ts.isPropertyName), visitNode(node.initializer, visitor, ts.isExpression));
             case 265:
                 return ts.updateSourceFileNode(node, visitLexicalEnvironment(node.statements, visitor, context));
-            case 297:
+            case 288:
                 return ts.updatePartiallyEmittedExpression(node, visitNode(node.expression, visitor, ts.isExpression));
-            case 298:
+            case 289:
                 return ts.updateCommaList(node, nodesVisitor(node.elements, visitor, ts.isExpression));
             default:
                 return node;
@@ -43920,7 +44446,7 @@ var ts;
             case 209:
             case 200:
             case 225:
-            case 296:
+            case 287:
                 break;
             case 143:
                 result = reduceNode(node.left, cbNode, result);
@@ -44080,9 +44606,6 @@ var ts;
                 result = reduceNode(node.expression, cbNode, result);
                 result = reduceNode(node.type, cbNode, result);
                 break;
-            case 203:
-                result = reduceNode(node.expression, cbNode, result);
-                break;
             case 205:
                 result = reduceNode(node.expression, cbNode, result);
                 result = reduceNode(node.literal, cbNode, result);
@@ -44281,10 +44804,10 @@ var ts;
             case 265:
                 result = reduceNodes(node.statements, cbNodes, result);
                 break;
-            case 297:
+            case 288:
                 result = reduceNode(node.expression, cbNode, result);
                 break;
-            case 298:
+            case 289:
                 result = reduceNodes(node.elements, cbNodes, result);
                 break;
             default:
@@ -44413,6 +44936,147 @@ var ts;
 })(ts || (ts = {}));
 var ts;
 (function (ts) {
+    function getOriginalNodeId(node) {
+        node = ts.getOriginalNode(node);
+        return node ? ts.getNodeId(node) : 0;
+    }
+    ts.getOriginalNodeId = getOriginalNodeId;
+    function collectExternalModuleInfo(sourceFile, resolver, compilerOptions) {
+        var externalImports = [];
+        var exportSpecifiers = ts.createMultiMap();
+        var exportedBindings = [];
+        var uniqueExports = ts.createMap();
+        var exportedNames;
+        var hasExportDefault = false;
+        var exportEquals = undefined;
+        var hasExportStarsToExportValues = false;
+        for (var _i = 0, _a = sourceFile.statements; _i < _a.length; _i++) {
+            var node = _a[_i];
+            switch (node.kind) {
+                case 238:
+                    externalImports.push(node);
+                    break;
+                case 237:
+                    if (node.moduleReference.kind === 248) {
+                        externalImports.push(node);
+                    }
+                    break;
+                case 244:
+                    if (node.moduleSpecifier) {
+                        if (!node.exportClause) {
+                            externalImports.push(node);
+                            hasExportStarsToExportValues = true;
+                        }
+                        else {
+                            externalImports.push(node);
+                        }
+                    }
+                    else {
+                        for (var _b = 0, _c = node.exportClause.elements; _b < _c.length; _b++) {
+                            var specifier = _c[_b];
+                            if (!uniqueExports.get(ts.unescapeLeadingUnderscores(specifier.name.escapedText))) {
+                                var name = specifier.propertyName || specifier.name;
+                                exportSpecifiers.add(ts.unescapeLeadingUnderscores(name.escapedText), specifier);
+                                var decl = resolver.getReferencedImportDeclaration(name)
+                                    || resolver.getReferencedValueDeclaration(name);
+                                if (decl) {
+                                    multiMapSparseArrayAdd(exportedBindings, getOriginalNodeId(decl), specifier.name);
+                                }
+                                uniqueExports.set(ts.unescapeLeadingUnderscores(specifier.name.escapedText), true);
+                                exportedNames = ts.append(exportedNames, specifier.name);
+                            }
+                        }
+                    }
+                    break;
+                case 243:
+                    if (node.isExportEquals && !exportEquals) {
+                        exportEquals = node;
+                    }
+                    break;
+                case 208:
+                    if (ts.hasModifier(node, 1)) {
+                        for (var _d = 0, _e = node.declarationList.declarations; _d < _e.length; _d++) {
+                            var decl = _e[_d];
+                            exportedNames = collectExportedVariableInfo(decl, uniqueExports, exportedNames);
+                        }
+                    }
+                    break;
+                case 228:
+                    if (ts.hasModifier(node, 1)) {
+                        if (ts.hasModifier(node, 512)) {
+                            if (!hasExportDefault) {
+                                multiMapSparseArrayAdd(exportedBindings, getOriginalNodeId(node), ts.getDeclarationName(node));
+                                hasExportDefault = true;
+                            }
+                        }
+                        else {
+                            var name = node.name;
+                            if (!uniqueExports.get(ts.unescapeLeadingUnderscores(name.escapedText))) {
+                                multiMapSparseArrayAdd(exportedBindings, getOriginalNodeId(node), name);
+                                uniqueExports.set(ts.unescapeLeadingUnderscores(name.escapedText), true);
+                                exportedNames = ts.append(exportedNames, name);
+                            }
+                        }
+                    }
+                    break;
+                case 229:
+                    if (ts.hasModifier(node, 1)) {
+                        if (ts.hasModifier(node, 512)) {
+                            if (!hasExportDefault) {
+                                multiMapSparseArrayAdd(exportedBindings, getOriginalNodeId(node), ts.getDeclarationName(node));
+                                hasExportDefault = true;
+                            }
+                        }
+                        else {
+                            var name = node.name;
+                            if (name && !uniqueExports.get(ts.unescapeLeadingUnderscores(name.escapedText))) {
+                                multiMapSparseArrayAdd(exportedBindings, getOriginalNodeId(node), name);
+                                uniqueExports.set(ts.unescapeLeadingUnderscores(name.escapedText), true);
+                                exportedNames = ts.append(exportedNames, name);
+                            }
+                        }
+                    }
+                    break;
+            }
+        }
+        var externalHelpersModuleName = ts.getOrCreateExternalHelpersModuleNameIfNeeded(sourceFile, compilerOptions, hasExportStarsToExportValues);
+        var externalHelpersImportDeclaration = externalHelpersModuleName && ts.createImportDeclaration(undefined, undefined, ts.createImportClause(undefined, ts.createNamespaceImport(externalHelpersModuleName)), ts.createLiteral(ts.externalHelpersModuleNameText));
+        if (externalHelpersImportDeclaration) {
+            externalImports.unshift(externalHelpersImportDeclaration);
+        }
+        return { externalImports: externalImports, exportSpecifiers: exportSpecifiers, exportEquals: exportEquals, hasExportStarsToExportValues: hasExportStarsToExportValues, exportedBindings: exportedBindings, exportedNames: exportedNames, externalHelpersImportDeclaration: externalHelpersImportDeclaration };
+    }
+    ts.collectExternalModuleInfo = collectExternalModuleInfo;
+    function collectExportedVariableInfo(decl, uniqueExports, exportedNames) {
+        if (ts.isBindingPattern(decl.name)) {
+            for (var _i = 0, _a = decl.name.elements; _i < _a.length; _i++) {
+                var element = _a[_i];
+                if (!ts.isOmittedExpression(element)) {
+                    exportedNames = collectExportedVariableInfo(element, uniqueExports, exportedNames);
+                }
+            }
+        }
+        else if (!ts.isGeneratedIdentifier(decl.name)) {
+            if (!uniqueExports.get(ts.unescapeLeadingUnderscores(decl.name.escapedText))) {
+                uniqueExports.set(ts.unescapeLeadingUnderscores(decl.name.escapedText), true);
+                exportedNames = ts.append(exportedNames, decl.name);
+            }
+        }
+        return exportedNames;
+    }
+    function multiMapSparseArrayAdd(map, key, value) {
+        var values = map[key];
+        if (values) {
+            values.push(value);
+        }
+        else {
+            map[key] = values = [value];
+        }
+        return values;
+    }
+})(ts || (ts = {}));
+var ts;
+(function (ts) {
     var FlattenLevel;
     (function (FlattenLevel) {
         FlattenLevel[FlattenLevel["All"] = 0] = "All";
@@ -44608,7 +45272,8 @@ var ts;
                 ? undefined
                 : numElements, location), false, location);
         }
-        else if (numElements !== 1 && (flattenContext.level < 1 || numElements === 0)) {
+        else if (numElements !== 1 && (flattenContext.level < 1 || numElements === 0)
+            || ts.every(elements, ts.isOmittedExpression)) {
             var reuseIdentifierExpressions = !ts.isDeclarationBindingElement(parent) || numElements !== 0;
             value = ensureIdentifier(flattenContext, value, reuseIdentifierExpressions, location);
         }
@@ -44662,11 +45327,11 @@ var ts;
         }
         else if (ts.isStringOrNumericLiteral(propertyName)) {
             var argumentExpression = ts.getSynthesizedClone(propertyName);
-            argumentExpression.text = ts.unescapeIdentifier(argumentExpression.text);
+            argumentExpression.text = argumentExpression.text;
             return ts.createElementAccess(value, argumentExpression);
         }
         else {
-            var name = ts.createIdentifier(ts.unescapeIdentifier(propertyName.text));
+            var name = ts.createIdentifier(ts.unescapeLeadingUnderscores(propertyName.escapedText));
             return ts.createPropertyAccess(value, name);
         }
     }
@@ -44815,7 +45480,12 @@ var ts;
                     if (ts.hasModifier(node, 2)) {
                         break;
                     }
-                    recordEmittedDeclarationInScope(node);
+                    if (node.name) {
+                        recordEmittedDeclarationInScope(node);
+                    }
+                    else {
+                        ts.Debug.assert(node.kind === 229 || ts.hasModifier(node, 512));
+                    }
                     break;
             }
         }
@@ -45059,8 +45729,10 @@ var ts;
                 ts.setEmitFlags(statement, 1536 | 384);
                 statements.push(statement);
                 ts.addRange(statements, context.endLexicalEnvironment());
+                var iife = ts.createImmediatelyInvokedArrowFunction(statements);
+                ts.setEmitFlags(iife, 33554432);
                 var varStatement = ts.createVariableStatement(undefined, ts.createVariableDeclarationList([
-                    ts.createVariableDeclaration(ts.getLocalName(node, false, false), undefined, ts.createImmediatelyInvokedFunctionExpression(statements))
+                    ts.createVariableDeclaration(ts.getLocalName(node, false, false), undefined, iife)
                 ]));
                 ts.setOriginalNode(varStatement, node);
                 ts.setCommentRange(varStatement, node);
@@ -45229,8 +45901,8 @@ var ts;
                 && member.initializer !== undefined;
         }
         function addInitializedPropertyStatements(statements, properties, receiver) {
-            for (var _i = 0, properties_9 = properties; _i < properties_9.length; _i++) {
-                var property = properties_9[_i];
+            for (var _i = 0, properties_10 = properties; _i < properties_10.length; _i++) {
+                var property = properties_10[_i];
                 var statement = ts.createStatement(transformInitializedProperty(property, receiver));
                 ts.setSourceMapRange(statement, ts.moveRangePastModifiers(property));
                 ts.setCommentRange(statement, property);
@@ -45239,8 +45911,8 @@ var ts;
         }
         function generateInitializedPropertyExpressions(properties, receiver) {
             var expressions = [];
-            for (var _i = 0, properties_10 = properties; _i < properties_10.length; _i++) {
-                var property = properties_10[_i];
+            for (var _i = 0, properties_11 = properties; _i < properties_11.length; _i++) {
+                var property = properties_11[_i];
                 var expression = transformInitializedProperty(property, receiver);
                 expression.startsOnNewLine = true;
                 ts.setSourceMapRange(expression, ts.moveRangePastModifiers(property));
@@ -45513,7 +46185,7 @@ var ts;
                 var numParameters = parameters.length;
                 for (var i = 0; i < numParameters; i++) {
                     var parameter = parameters[i];
-                    if (i === 0 && ts.isIdentifier(parameter.name) && parameter.name.text === "this") {
+                    if (i === 0 && ts.isIdentifier(parameter.name) && parameter.name.escapedText === "this") {
                         continue;
                     }
                     if (parameter.dotDotDotToken) {
@@ -45613,13 +46285,13 @@ var ts;
             for (var _i = 0, _a = node.types; _i < _a.length; _i++) {
                 var typeNode = _a[_i];
                 var serializedIndividual = serializeTypeNode(typeNode);
-                if (ts.isIdentifier(serializedIndividual) && serializedIndividual.text === "Object") {
+                if (ts.isIdentifier(serializedIndividual) && serializedIndividual.escapedText === "Object") {
                     return serializedIndividual;
                 }
                 else if (serializedUnion) {
                     if (!ts.isIdentifier(serializedUnion) ||
                         !ts.isIdentifier(serializedIndividual) ||
-                        serializedUnion.text !== serializedIndividual.text) {
+                        serializedUnion.escapedText !== serializedIndividual.escapedText) {
                         return ts.createIdentifier("Object");
                     }
                 }
@@ -45666,7 +46338,7 @@ var ts;
                     var name = ts.getMutableClone(node);
                     name.flags &= ~8;
                     name.original = undefined;
-                    name.parent = currentScope;
+                    name.parent = ts.getParseTreeNode(currentScope);
                     if (useFallback) {
                         return ts.createLogicalAnd(ts.createStrictInequality(ts.createTypeOf(name), ts.createLiteral("undefined")), name);
                     }
@@ -45700,7 +46372,7 @@ var ts;
                     : name.expression;
             }
             else if (ts.isIdentifier(name)) {
-                return ts.createLiteral(ts.unescapeIdentifier(name.text));
+                return ts.createLiteral(ts.unescapeLeadingUnderscores(name.escapedText));
             }
             else {
                 return ts.getSynthesizedClone(name);
@@ -45796,7 +46468,7 @@ var ts;
             return updated;
         }
         function visitArrowFunction(node) {
-            var updated = ts.updateArrowFunction(node, ts.visitNodes(node.modifiers, modifierVisitor, ts.isModifier), undefined, ts.visitParameterList(node.parameters, visitor, context), undefined, ts.visitFunctionBody(node.body, visitor, context));
+            var updated = ts.updateArrowFunction(node, ts.visitNodes(node.modifiers, modifierVisitor, ts.isModifier), undefined, ts.visitParameterList(node.parameters, visitor, context), undefined, node.equalsGreaterThanToken, ts.visitFunctionBody(node.body, visitor, context));
             return updated;
         }
         function visitParameter(node) {
@@ -45935,24 +46607,24 @@ var ts;
                     && moduleKind !== ts.ModuleKind.System);
         }
         function recordEmittedDeclarationInScope(node) {
-            var name = node.symbol && node.symbol.name;
-            if (name) {
-                if (!currentScopeFirstDeclarationsOfName) {
-                    currentScopeFirstDeclarationsOfName = ts.createMap();
-                }
-                if (!currentScopeFirstDeclarationsOfName.has(name)) {
-                    currentScopeFirstDeclarationsOfName.set(name, node);
-                }
+            if (!currentScopeFirstDeclarationsOfName) {
+                currentScopeFirstDeclarationsOfName = ts.createUnderscoreEscapedMap();
+            }
+            var name = declaredNameInScope(node);
+            if (!currentScopeFirstDeclarationsOfName.has(name)) {
+                currentScopeFirstDeclarationsOfName.set(name, node);
             }
         }
         function isFirstEmittedDeclarationInScope(node) {
             if (currentScopeFirstDeclarationsOfName) {
-                var name = node.symbol && node.symbol.name;
-                if (name) {
-                    return currentScopeFirstDeclarationsOfName.get(name) === node;
-                }
+                var name = declaredNameInScope(node);
+                return currentScopeFirstDeclarationsOfName.get(name) === node;
             }
-            return false;
+            return true;
+        }
+        function declaredNameInScope(node) {
+            ts.Debug.assertNode(node.name, ts.isIdentifier);
+            return node.name.escapedText;
         }
         function addVarForEnumOrModuleDeclaration(statements, node) {
             var statement = ts.createVariableStatement(ts.visitNodes(node.modifiers, modifierVisitor, ts.isModifier), ts.createVariableDeclarationList([
@@ -45983,7 +46655,7 @@ var ts;
             if (!shouldEmitModuleDeclaration(node)) {
                 return ts.createNotEmittedStatement(node);
             }
-            ts.Debug.assert(ts.isIdentifier(node.name), "TypeScript module should have an Identifier name.");
+            ts.Debug.assertNode(node.name, ts.isIdentifier, "A TypeScript namespace should have an Identifier name.");
             enableSubstitutionForNamespaceExports();
             var statements = [];
             var emitFlags = 2;
@@ -46151,7 +46823,7 @@ var ts;
         }
         function addExportMemberAssignment(statements, node) {
             var expression = ts.createAssignment(ts.getExternalModuleOrNamespaceExportName(currentNamespaceContainerName, node, false, true), ts.getLocalName(node));
-            ts.setSourceMapRange(expression, ts.createRange(node.name.pos, node.end));
+            ts.setSourceMapRange(expression, ts.createRange(node.name ? node.name.pos : node.pos, node.end));
             var statement = ts.createStatement(expression);
             ts.setSourceMapRange(statement, ts.createRange(-1, node.end));
             statements.push(statement);
@@ -46176,7 +46848,7 @@ var ts;
         function getClassAliasIfNeeded(node) {
             if (resolver.getNodeCheckFlags(node) & 8388608) {
                 enableSubstitutionForClassAliases();
-                var classAlias = ts.createUniqueName(node.name && !ts.isGeneratedIdentifier(node.name) ? ts.unescapeIdentifier(node.name.text) : "default");
+                var classAlias = ts.createUniqueName(node.name && !ts.isGeneratedIdentifier(node.name) ? ts.unescapeLeadingUnderscores(node.name.escapedText) : "default");
                 classAliases[ts.getOriginalNodeId(node)] = classAlias;
                 hoistVariableDeclaration(classAlias);
                 return classAlias;
@@ -46449,7 +47121,7 @@ var ts;
                 : ts.visitFunctionBody(node.body, visitor, context));
         }
         function visitArrowFunction(node) {
-            return ts.updateArrowFunction(node, ts.visitNodes(node.modifiers, visitor, ts.isModifier), undefined, ts.visitParameterList(node.parameters, visitor, context), undefined, ts.getFunctionFlags(node) & 2
+            return ts.updateArrowFunction(node, ts.visitNodes(node.modifiers, visitor, ts.isModifier), undefined, ts.visitParameterList(node.parameters, visitor, context), undefined, node.equalsGreaterThanToken, ts.getFunctionFlags(node) & 2
                 ? transformAsyncFunctionBody(node)
                 : ts.visitFunctionBody(node.body, visitor, context));
         }
@@ -46557,7 +47229,7 @@ var ts;
         }
         function substitutePropertyAccessExpression(node) {
             if (node.expression.kind === 97) {
-                return createSuperAccessInAsyncMethod(ts.createLiteral(node.name.text), node);
+                return createSuperAccessInAsyncMethod(ts.createLiteral(ts.unescapeLeadingUnderscores(node.name.escapedText)), node);
             }
             return node;
         }
@@ -46707,6 +47379,8 @@ var ts;
                     return visitExpressionStatement(node);
                 case 185:
                     return visitParenthesizedExpression(node, noDestructuringValue);
+                case 260:
+                    return visitCatchClause(node);
                 default:
                     return ts.visitEachChild(node, visitor, context);
             }
@@ -46756,7 +47430,7 @@ var ts;
                         chunkObject.push(ts.createPropertyAssignment(p.name, ts.visitNode(p.initializer, visitor, ts.isExpression)));
                     }
                     else {
-                        chunkObject.push(e);
+                        chunkObject.push(ts.visitNode(e, visitor, ts.isObjectLiteralElementLike));
                     }
                 }
             }
@@ -46781,6 +47455,12 @@ var ts;
         function visitParenthesizedExpression(node, noDestructuringValue) {
             return ts.visitEachChild(node, noDestructuringValue ? visitorNoDestructuringValue : visitor, context);
         }
+        function visitCatchClause(node) {
+            if (!node.variableDeclaration) {
+                return ts.updateCatchClause(node, ts.createVariableDeclaration(ts.createTempVariable(undefined)), ts.visitNode(node.block, visitor, ts.isBlock));
+            }
+            return ts.visitEachChild(node, visitor, context);
+        }
         function visitBinaryExpression(node, noDestructuringValue) {
             if (ts.isDestructuringAssignment(node) && node.left.transformFlags & 1048576) {
                 return ts.flattenDestructuringAssignment(node, visitor, context, 1, !noDestructuringValue);
@@ -46940,7 +47620,7 @@ var ts;
         function visitArrowFunction(node) {
             var savedEnclosingFunctionFlags = enclosingFunctionFlags;
             enclosingFunctionFlags = ts.getFunctionFlags(node);
-            var updated = ts.updateArrowFunction(node, node.modifiers, undefined, ts.visitParameterList(node.parameters, visitor, context), undefined, transformFunctionBody(node));
+            var updated = ts.updateArrowFunction(node, node.modifiers, undefined, ts.visitParameterList(node.parameters, visitor, context), undefined, node.equalsGreaterThanToken, transformFunctionBody(node));
             enclosingFunctionFlags = savedEnclosingFunctionFlags;
             return updated;
         }
@@ -47056,7 +47736,7 @@ var ts;
         }
         function substitutePropertyAccessExpression(node) {
             if (node.expression.kind === 97) {
-                return createSuperAccessInAsyncMethod(ts.createLiteral(node.name.text), node);
+                return createSuperAccessInAsyncMethod(ts.createLiteral(ts.unescapeLeadingUnderscores(node.name.escapedText)), node);
             }
             return node;
         }
@@ -47227,7 +47907,7 @@ var ts;
                     objectProperties = ts.createAssignHelper(context, segments);
                 }
             }
-            var element = ts.createExpressionForJsxElement(context.getEmitResolver().getJsxFactoryEntity(), compilerOptions.reactNamespace, tagName, objectProperties, ts.filter(ts.map(children, transformJsxChildToExpression), ts.isDefined), node, location);
+            var element = ts.createExpressionForJsxElement(context.getEmitResolver().getJsxFactoryEntity(), compilerOptions.reactNamespace, tagName, objectProperties, ts.mapDefined(children, transformJsxChildToExpression), node, location);
             if (isChild) {
                 ts.startOnNewLine(element);
             }
@@ -47314,8 +47994,8 @@ var ts;
             }
             else {
                 var name = node.tagName;
-                if (ts.isIdentifier(name) && ts.isIntrinsicJsxName(name.text)) {
-                    return ts.createLiteral(name.text);
+                if (ts.isIdentifier(name) && ts.isIntrinsicJsxName(name.escapedText)) {
+                    return ts.createLiteral(ts.unescapeLeadingUnderscores(name.escapedText));
                 }
                 else {
                     return ts.createExpressionFromEntityName(name);
@@ -47324,11 +48004,11 @@ var ts;
         }
         function getAttributeName(node) {
             var name = node.name;
-            if (/^[A-Za-z_]\w*$/.test(name.text)) {
+            if (/^[A-Za-z_]\w*$/.test(ts.unescapeLeadingUnderscores(name.escapedText))) {
                 return name;
             }
             else {
-                return ts.createLiteral(name.text);
+                return ts.createLiteral(ts.unescapeLeadingUnderscores(name.escapedText));
             }
         }
         function visitJsxExpression(node) {
@@ -47765,58 +48445,12 @@ var ts;
                 && node.kind === 219
                 && !node.expression;
         }
-        function isClassLikeVariableStatement(node) {
-            if (!ts.isVariableStatement(node))
-                return false;
-            var variable = ts.singleOrUndefined(node.declarationList.declarations);
-            return variable
-                && variable.initializer
-                && ts.isIdentifier(variable.name)
-                && (ts.isClassLike(variable.initializer)
-                    || (ts.isAssignmentExpression(variable.initializer)
-                        && ts.isIdentifier(variable.initializer.left)
-                        && ts.isClassLike(variable.initializer.right)));
-        }
-        function isTypeScriptClassWrapper(node) {
-            var call = ts.tryCast(node, ts.isCallExpression);
-            if (!call || ts.isParseTreeNode(call) ||
-                ts.some(call.typeArguments) ||
-                ts.some(call.arguments)) {
-                return false;
-            }
-            var func = ts.tryCast(ts.skipOuterExpressions(call.expression), ts.isFunctionExpression);
-            if (!func || ts.isParseTreeNode(func) ||
-                ts.some(func.typeParameters) ||
-                ts.some(func.parameters) ||
-                func.type ||
-                !func.body) {
-                return false;
-            }
-            var statements = func.body.statements;
-            if (statements.length < 2) {
-                return false;
-            }
-            var firstStatement = statements[0];
-            if (ts.isParseTreeNode(firstStatement) ||
-                !ts.isClassLike(firstStatement) &&
-                    !isClassLikeVariableStatement(firstStatement)) {
-                return false;
-            }
-            var lastStatement = ts.elementAt(statements, -1);
-            var returnStatement = ts.tryCast(ts.isVariableStatement(lastStatement) ? ts.elementAt(statements, -2) : lastStatement, ts.isReturnStatement);
-            if (!returnStatement ||
-                !returnStatement.expression ||
-                !ts.isIdentifier(ts.skipOuterExpressions(returnStatement.expression))) {
-                return false;
-            }
-            return true;
-        }
         function shouldVisitNode(node) {
             return (node.transformFlags & 128) !== 0
                 || convertedLoopState !== undefined
-                || (hierarchyFacts & 4096 && ts.isStatement(node))
+                || (hierarchyFacts & 4096 && (ts.isStatement(node) || (node.kind === 207)))
                 || (ts.isIterationStatement(node, false) && shouldConvertIterationStatementBody(node))
-                || isTypeScriptClassWrapper(node);
+                || (ts.getEmitFlags(node) & 33554432) !== 0;
         }
         function visitor(node) {
             if (shouldVisitNode(node)) {
@@ -48001,7 +48635,7 @@ var ts;
             if (ts.isGeneratedIdentifier(node)) {
                 return node;
             }
-            if (node.text !== "arguments" || !resolver.isArgumentsLocalBinding(node)) {
+            if (node.escapedText !== "arguments" || !resolver.isArgumentsLocalBinding(node)) {
                 return node;
             }
             return convertedLoopState.argumentsName || (convertedLoopState.argumentsName = ts.createUniqueName("arguments"));
@@ -48009,7 +48643,7 @@ var ts;
         function visitBreakOrContinueStatement(node) {
             if (convertedLoopState) {
                 var jump = node.kind === 218 ? 2 : 4;
-                var canUseBreakOrContinue = (node.label && convertedLoopState.labels && convertedLoopState.labels.get(node.label.text)) ||
+                var canUseBreakOrContinue = (node.label && convertedLoopState.labels && convertedLoopState.labels.get(ts.unescapeLeadingUnderscores(node.label.escapedText))) ||
                     (!node.label && (convertedLoopState.allowedNonLabeledJumps & jump));
                 if (!canUseBreakOrContinue) {
                     var labelMarker = void 0;
@@ -48025,12 +48659,12 @@ var ts;
                     }
                     else {
                         if (node.kind === 218) {
-                            labelMarker = "break-" + node.label.text;
-                            setLabeledJump(convertedLoopState, true, node.label.text, labelMarker);
+                            labelMarker = "break-" + node.label.escapedText;
+                            setLabeledJump(convertedLoopState, true, ts.unescapeLeadingUnderscores(node.label.escapedText), labelMarker);
                         }
                         else {
-                            labelMarker = "continue-" + node.label.text;
-                            setLabeledJump(convertedLoopState, false, node.label.text, labelMarker);
+                            labelMarker = "continue-" + node.label.escapedText;
+                            setLabeledJump(convertedLoopState, false, ts.unescapeLeadingUnderscores(node.label.escapedText), labelMarker);
                         }
                     }
                     var returnExpression = ts.createLiteral(labelMarker);
@@ -48094,9 +48728,11 @@ var ts;
             var outer = ts.createPartiallyEmittedExpression(inner);
             outer.end = ts.skipTrivia(currentText, node.pos);
             ts.setEmitFlags(outer, 1536);
-            return ts.createParen(ts.createCall(outer, undefined, extendsClauseElement
+            var result = ts.createParen(ts.createCall(outer, undefined, extendsClauseElement
                 ? [ts.visitNode(extendsClauseElement.expression, visitor, ts.isExpression)]
                 : []));
+            ts.addSyntheticLeadingComment(result, 3, "* @class ");
+            return result;
         }
         function transformClassBody(node, extendsClauseElement) {
             var statements = [];
@@ -48681,11 +49317,12 @@ var ts;
                 ts.setTextRange(declarationList, node);
                 ts.setCommentRange(declarationList, node);
                 if (node.transformFlags & 8388608
-                    && (ts.isBindingPattern(node.declarations[0].name)
-                        || ts.isBindingPattern(ts.lastOrUndefined(node.declarations).name))) {
+                    && (ts.isBindingPattern(node.declarations[0].name) || ts.isBindingPattern(ts.lastOrUndefined(node.declarations).name))) {
                     var firstDeclaration = ts.firstOrUndefined(declarations);
-                    var lastDeclaration = ts.lastOrUndefined(declarations);
-                    ts.setSourceMapRange(declarationList, ts.createRange(firstDeclaration.pos, lastDeclaration.end));
+                    if (firstDeclaration) {
+                        var lastDeclaration = ts.lastOrUndefined(declarations);
+                        ts.setSourceMapRange(declarationList, ts.createRange(firstDeclaration.pos, lastDeclaration.end));
+                    }
                 }
                 return declarationList;
             }
@@ -48732,10 +49369,10 @@ var ts;
             return updated;
         }
         function recordLabel(node) {
-            convertedLoopState.labels.set(node.label.text, node.label.text);
+            convertedLoopState.labels.set(ts.unescapeLeadingUnderscores(node.label.escapedText), true);
         }
         function resetLabel(node) {
-            convertedLoopState.labels.set(node.label.text, undefined);
+            convertedLoopState.labels.set(ts.unescapeLeadingUnderscores(node.label.escapedText), false);
         }
         function visitLabeledStatement(node) {
             if (convertedLoopState && !convertedLoopState.labels) {
@@ -49162,7 +49799,7 @@ var ts;
             else {
                 loopParameters.push(ts.createParameter(undefined, undefined, undefined, name));
                 if (resolver.getNodeCheckFlags(decl) & 2097152) {
-                    var outParamName = ts.createUniqueName("out_" + ts.unescapeIdentifier(name.text));
+                    var outParamName = ts.createUniqueName("out_" + ts.unescapeLeadingUnderscores(name.escapedText));
                     loopOutParameters.push({ originalName: name, outParamName: outParamName });
                 }
             }
@@ -49224,6 +49861,7 @@ var ts;
         function visitCatchClause(node) {
             var ancestorFacts = enterSubtree(4032, 0);
             var updated;
+            ts.Debug.assert(!!node.variableDeclaration, "Catch clause variable should always be present when downleveling ES2015.");
             if (ts.isBindingPattern(node.variableDeclaration.name)) {
                 var temp = ts.createTempVariable(undefined);
                 var newVariableDeclaration = ts.createVariableDeclaration(temp);
@@ -49292,7 +49930,7 @@ var ts;
             return ts.visitEachChild(node, visitor, context);
         }
         function visitCallExpression(node) {
-            if (isTypeScriptClassWrapper(node)) {
+            if (ts.getEmitFlags(node) & 33554432) {
                 return visitTypeScriptClassWrapper(node);
             }
             if (node.transformFlags & 64) {
@@ -49301,7 +49939,7 @@ var ts;
             return ts.updateCall(node, ts.visitNode(node.expression, callExpressionVisitor, ts.isExpression), undefined, ts.visitNodes(node.arguments, visitor, ts.isExpression));
         }
         function visitTypeScriptClassWrapper(node) {
-            var body = ts.cast(ts.skipOuterExpressions(node.expression), ts.isFunctionExpression).body;
+            var body = ts.cast(ts.cast(ts.skipOuterExpressions(node.expression), ts.isArrowFunction).body, ts.isBlock);
             var classStatements = ts.visitNodes(body.statements, visitor, ts.isStatement, 0, 1);
             var remainingStatements = ts.visitNodes(body.statements, visitor, ts.isStatement, 1, body.statements.length - 1);
             var varStatement = ts.cast(ts.firstOrUndefined(classStatements), ts.isVariableStatement);
@@ -49378,7 +50016,7 @@ var ts;
                     if (ts.isCallExpression(firstSegment)
                         && ts.isIdentifier(firstSegment.expression)
                         && (ts.getEmitFlags(firstSegment.expression) & 4096)
-                        && firstSegment.expression.text === "___spread") {
+                        && firstSegment.expression.escapedText === "___spread") {
                         return segments[0];
                     }
                 }
@@ -49497,7 +50135,7 @@ var ts;
                 : ts.createIdentifier("_super");
         }
         function visitMetaProperty(node) {
-            if (node.keywordToken === 94 && node.name.text === "target") {
+            if (node.keywordToken === 94 && node.name.escapedText === "target") {
                 if (hierarchyFacts & 8192) {
                     hierarchyFacts |= 32768;
                 }
@@ -49640,7 +50278,7 @@ var ts;
                 return false;
             }
             var expression = callArgument.expression;
-            return ts.isIdentifier(expression) && expression.text === "arguments";
+            return ts.isIdentifier(expression) && expression.escapedText === "arguments";
         }
     }
     ts.transformES2015 = transformES2015;
@@ -50470,13 +51108,17 @@ var ts;
             return node;
         }
         function transformAndEmitContinueStatement(node) {
-            var label = findContinueTarget(node.label ? node.label.text : undefined);
-            ts.Debug.assert(label > 0, "Expected continue statment to point to a valid Label.");
-            emitBreak(label, node);
+            var label = findContinueTarget(node.label ? ts.unescapeLeadingUnderscores(node.label.escapedText) : undefined);
+            if (label > 0) {
+                emitBreak(label, node);
+            }
+            else {
+                emitStatement(node);
+            }
         }
         function visitContinueStatement(node) {
             if (inStatementContainingYield) {
-                var label = findContinueTarget(node.label && node.label.text);
+                var label = findContinueTarget(node.label && ts.unescapeLeadingUnderscores(node.label.escapedText));
                 if (label > 0) {
                     return createInlineBreak(label, node);
                 }
@@ -50484,13 +51126,17 @@ var ts;
             return ts.visitEachChild(node, visitor, context);
         }
         function transformAndEmitBreakStatement(node) {
-            var label = findBreakTarget(node.label ? node.label.text : undefined);
-            ts.Debug.assert(label > 0, "Expected break statment to point to a valid Label.");
-            emitBreak(label, node);
+            var label = findBreakTarget(node.label ? ts.unescapeLeadingUnderscores(node.label.escapedText) : undefined);
+            if (label > 0) {
+                emitBreak(label, node);
+            }
+            else {
+                emitStatement(node);
+            }
         }
         function visitBreakStatement(node) {
             if (inStatementContainingYield) {
-                var label = findBreakTarget(node.label && node.label.text);
+                var label = findBreakTarget(node.label && ts.unescapeLeadingUnderscores(node.label.escapedText));
                 if (label > 0) {
                     return createInlineBreak(label, node);
                 }
@@ -50585,7 +51231,7 @@ var ts;
         }
         function transformAndEmitLabeledStatement(node) {
             if (containsYield(node)) {
-                beginLabeledBlock(node.label.text);
+                beginLabeledBlock(ts.unescapeLeadingUnderscores(node.label.escapedText));
                 transformAndEmitEmbeddedStatement(node.statement);
                 endLabeledBlock();
             }
@@ -50595,7 +51241,7 @@ var ts;
         }
         function visitLabeledStatement(node) {
             if (inStatementContainingYield) {
-                beginScriptLabeledBlock(node.label.text);
+                beginScriptLabeledBlock(ts.unescapeLeadingUnderscores(node.label.escapedText));
             }
             node = ts.visitEachChild(node, visitor, context);
             if (inStatementContainingYield) {
@@ -50650,7 +51296,7 @@ var ts;
             return node;
         }
         function substituteExpressionIdentifier(node) {
-            if (!ts.isGeneratedIdentifier(node) && renamedCatchVariables && renamedCatchVariables.has(node.text)) {
+            if (!ts.isGeneratedIdentifier(node) && renamedCatchVariables && renamedCatchVariables.has(ts.unescapeLeadingUnderscores(node.escapedText))) {
                 var original = ts.getOriginalNode(node);
                 if (ts.isIdentifier(original) && original.parent) {
                     var declaration = resolver.getReferencedValueDeclaration(original);
@@ -50743,9 +51389,6 @@ var ts;
             var block = endBlock();
             markLabel(block.endLabel);
         }
-        function isWithBlock(block) {
-            return block.kind === 1;
-        }
         function beginExceptionBlock() {
             var startLabel = defineLabel();
             var endLabel = defineLabel();
@@ -50767,7 +51410,7 @@ var ts;
                 hoistVariableDeclaration(variable.name);
             }
             else {
-                var text = variable.name.text;
+                var text = ts.unescapeLeadingUnderscores(variable.name.escapedText);
                 name = declareLocal(text);
                 if (!renamedCatchVariables) {
                     renamedCatchVariables = ts.createMap();
@@ -50814,9 +51457,6 @@ var ts;
             emitNop();
             exception.state = 3;
         }
-        function isExceptionBlock(block) {
-            return block.kind === 0;
-        }
         function beginScriptLoopBlock() {
             beginBlock({
                 kind: 3,
@@ -50831,7 +51471,7 @@ var ts;
                 kind: 3,
                 isScript: false,
                 breakLabel: breakLabel,
-                continueLabel: continueLabel
+                continueLabel: continueLabel,
             });
             return breakLabel;
         }
@@ -50855,7 +51495,7 @@ var ts;
             beginBlock({
                 kind: 2,
                 isScript: false,
-                breakLabel: breakLabel
+                breakLabel: breakLabel,
             });
             return breakLabel;
         }
@@ -50916,43 +51556,45 @@ var ts;
             return false;
         }
         function findBreakTarget(labelText) {
-            ts.Debug.assert(blocks !== undefined);
-            if (labelText) {
-                for (var i = blockStack.length - 1; i >= 0; i--) {
-                    var block = blockStack[i];
-                    if (supportsLabeledBreakOrContinue(block) && block.labelText === labelText) {
-                        return block.breakLabel;
-                    }
-                    else if (supportsUnlabeledBreak(block) && hasImmediateContainingLabeledBlock(labelText, i - 1)) {
-                        return block.breakLabel;
+            if (blockStack) {
+                if (labelText) {
+                    for (var i = blockStack.length - 1; i >= 0; i--) {
+                        var block = blockStack[i];
+                        if (supportsLabeledBreakOrContinue(block) && block.labelText === labelText) {
+                            return block.breakLabel;
+                        }
+                        else if (supportsUnlabeledBreak(block) && hasImmediateContainingLabeledBlock(labelText, i - 1)) {
+                            return block.breakLabel;
+                        }
                     }
                 }
-            }
-            else {
-                for (var i = blockStack.length - 1; i >= 0; i--) {
-                    var block = blockStack[i];
-                    if (supportsUnlabeledBreak(block)) {
-                        return block.breakLabel;
+                else {
+                    for (var i = blockStack.length - 1; i >= 0; i--) {
+                        var block = blockStack[i];
+                        if (supportsUnlabeledBreak(block)) {
+                            return block.breakLabel;
+                        }
                     }
                 }
             }
             return 0;
         }
         function findContinueTarget(labelText) {
-            ts.Debug.assert(blocks !== undefined);
-            if (labelText) {
-                for (var i = blockStack.length - 1; i >= 0; i--) {
-                    var block = blockStack[i];
-                    if (supportsUnlabeledContinue(block) && hasImmediateContainingLabeledBlock(labelText, i - 1)) {
-                        return block.continueLabel;
+            if (blockStack) {
+                if (labelText) {
+                    for (var i = blockStack.length - 1; i >= 0; i--) {
+                        var block = blockStack[i];
+                        if (supportsUnlabeledContinue(block) && hasImmediateContainingLabeledBlock(labelText, i - 1)) {
+                            return block.continueLabel;
+                        }
                     }
                 }
-            }
-            else {
-                for (var i = blockStack.length - 1; i >= 0; i--) {
-                    var block = blockStack[i];
-                    if (supportsUnlabeledContinue(block)) {
-                        return block.continueLabel;
+                else {
+                    for (var i = blockStack.length - 1; i >= 0; i--) {
+                        var block = blockStack[i];
+                        if (supportsUnlabeledContinue(block)) {
+                            return block.continueLabel;
+                        }
                     }
                 }
             }
@@ -50980,7 +51622,7 @@ var ts;
             return literal;
         }
         function createInlineBreak(label, location) {
-            ts.Debug.assert(label > 0, "Invalid label: " + label);
+            ts.Debug.assertLessThan(0, label, "Invalid label");
             return ts.setTextRange(ts.createReturn(ts.createArrayLiteral([
                 createInstruction(3),
                 createLabel(label)
@@ -51188,31 +51830,33 @@ var ts;
                 for (; blockIndex < blockActions.length && blockOffsets[blockIndex] <= operationIndex; blockIndex++) {
                     var block = blocks[blockIndex];
                     var blockAction = blockActions[blockIndex];
-                    if (isExceptionBlock(block)) {
-                        if (blockAction === 0) {
-                            if (!exceptionBlockStack) {
-                                exceptionBlockStack = [];
+                    switch (block.kind) {
+                        case 0:
+                            if (blockAction === 0) {
+                                if (!exceptionBlockStack) {
+                                    exceptionBlockStack = [];
+                                }
+                                if (!statements) {
+                                    statements = [];
+                                }
+                                exceptionBlockStack.push(currentExceptionBlock);
+                                currentExceptionBlock = block;
                             }
-                            if (!statements) {
-                                statements = [];
+                            else if (blockAction === 1) {
+                                currentExceptionBlock = exceptionBlockStack.pop();
                             }
-                            exceptionBlockStack.push(currentExceptionBlock);
-                            currentExceptionBlock = block;
-                        }
-                        else if (blockAction === 1) {
-                            currentExceptionBlock = exceptionBlockStack.pop();
-                        }
-                    }
-                    else if (isWithBlock(block)) {
-                        if (blockAction === 0) {
-                            if (!withBlockStack) {
-                                withBlockStack = [];
+                            break;
+                        case 1:
+                            if (blockAction === 0) {
+                                if (!withBlockStack) {
+                                    withBlockStack = [];
+                                }
+                                withBlockStack.push(block);
                             }
-                            withBlockStack.push(block);
-                        }
-                        else if (blockAction === 1) {
-                            withBlockStack.pop();
-                        }
+                            else if (blockAction === 1) {
+                                withBlockStack.pop();
+                            }
+                            break;
                     }
                 }
             }
@@ -51393,7 +52037,7 @@ var ts;
             return node;
         }
         function trySubstituteReservedName(name) {
-            var token = name.originalKeywordKind || (ts.nodeIsSynthesized(name) ? ts.stringToToken(name.text) : undefined);
+            var token = name.originalKeywordKind || (ts.nodeIsSynthesized(name) ? ts.stringToToken(ts.unescapeLeadingUnderscores(name.escapedText)) : undefined);
             if (token >= 72 && token <= 107) {
                 return ts.setTextRange(ts.createLiteral(name), name);
             }
@@ -51574,17 +52218,23 @@ var ts;
         }
         function addExportEqualsIfNeeded(statements, emitAsReturn) {
             if (currentModuleInfo.exportEquals) {
-                if (emitAsReturn) {
-                    var statement = ts.createReturn(currentModuleInfo.exportEquals.expression);
-                    ts.setTextRange(statement, currentModuleInfo.exportEquals);
-                    ts.setEmitFlags(statement, 384 | 1536);
-                    statements.push(statement);
-                }
-                else {
-                    var statement = ts.createStatement(ts.createAssignment(ts.createPropertyAccess(ts.createIdentifier("module"), "exports"), currentModuleInfo.exportEquals.expression));
-                    ts.setTextRange(statement, currentModuleInfo.exportEquals);
-                    ts.setEmitFlags(statement, 1536);
-                    statements.push(statement);
+                var expressionResult = importCallExpressionVisitor(currentModuleInfo.exportEquals.expression);
+                if (expressionResult) {
+                    if (expressionResult instanceof Array) {
+                        return ts.Debug.fail("export= expression should never be replaced with multiple expressions!");
+                    }
+                    if (emitAsReturn) {
+                        var statement = ts.createReturn(expressionResult);
+                        ts.setTextRange(statement, currentModuleInfo.exportEquals);
+                        ts.setEmitFlags(statement, 384 | 1536);
+                        statements.push(statement);
+                    }
+                    else {
+                        var statement = ts.createStatement(ts.createAssignment(ts.createPropertyAccess(ts.createIdentifier("module"), "exports"), expressionResult));
+                        ts.setTextRange(statement, currentModuleInfo.exportEquals);
+                        ts.setEmitFlags(statement, 1536);
+                        statements.push(statement);
+                    }
                 }
             }
         }
@@ -51604,9 +52254,9 @@ var ts;
                     return visitFunctionDeclaration(node);
                 case 229:
                     return visitClassDeclaration(node);
-                case 299:
+                case 290:
                     return visitMergeDeclarationMarker(node);
-                case 300:
+                case 291:
                     return visitEndOfDeclarationMarker(node);
                 default:
                     return ts.visitEachChild(node, importCallExpressionVisitor, context);
@@ -51775,7 +52425,7 @@ var ts;
         function visitClassDeclaration(node) {
             var statements;
             if (ts.hasModifier(node, 1)) {
-                statements = ts.append(statements, ts.setOriginalNode(ts.setTextRange(ts.createClassDeclaration(undefined, ts.visitNodes(node.modifiers, modifierVisitor, ts.isModifier), ts.getDeclarationName(node, true, true), undefined, ts.visitNodes(node.heritageClauses, importCallExpressionVisitor), node.members), node), node));
+                statements = ts.append(statements, ts.setOriginalNode(ts.setTextRange(ts.createClassDeclaration(undefined, ts.visitNodes(node.modifiers, modifierVisitor, ts.isModifier), ts.getDeclarationName(node, true, true), undefined, ts.visitNodes(node.heritageClauses, importCallExpressionVisitor), ts.visitNodes(node.members, importCallExpressionVisitor)), node), node));
             }
             else {
                 statements = ts.append(statements, ts.visitEachChild(node, importCallExpressionVisitor, context));
@@ -51918,7 +52568,7 @@ var ts;
                 return statements;
             }
             if (ts.hasModifier(decl, 1)) {
-                var exportName = ts.hasModifier(decl, 512) ? ts.createIdentifier("default") : decl.name;
+                var exportName = ts.hasModifier(decl, 512) ? ts.createIdentifier("default") : ts.getDeclarationName(decl);
                 statements = appendExportStatement(statements, exportName, ts.getLocalName(decl), decl);
             }
             if (decl.name) {
@@ -51928,7 +52578,7 @@ var ts;
         }
         function appendExportsOfDeclaration(statements, decl) {
             var name = ts.getDeclarationName(decl);
-            var exportSpecifiers = currentModuleInfo.exportSpecifiers.get(name.text);
+            var exportSpecifiers = currentModuleInfo.exportSpecifiers.get(ts.unescapeLeadingUnderscores(name.escapedText));
             if (exportSpecifiers) {
                 for (var _i = 0, exportSpecifiers_1 = exportSpecifiers; _i < exportSpecifiers_1.length; _i++) {
                     var exportSpecifier = exportSpecifiers_1[_i];
@@ -52257,7 +52907,7 @@ var ts;
             if (moduleInfo.exportedNames) {
                 for (var _b = 0, _c = moduleInfo.exportedNames; _b < _c.length; _b++) {
                     var exportedLocalName = _c[_b];
-                    if (exportedLocalName.text === "default") {
+                    if (exportedLocalName.escapedText === "default") {
                         continue;
                     }
                     exportedNames.push(ts.createPropertyAssignment(ts.createLiteral(exportedLocalName), ts.createTrue()));
@@ -52274,7 +52924,7 @@ var ts;
                 }
                 for (var _f = 0, _g = exportDecl.exportClause.elements; _f < _g.length; _f++) {
                     var element = _g[_f];
-                    exportedNames.push(ts.createPropertyAssignment(ts.createLiteral((element.name || element.propertyName).text), ts.createTrue()));
+                    exportedNames.push(ts.createPropertyAssignment(ts.createLiteral(ts.unescapeLeadingUnderscores((element.name || element.propertyName).escapedText)), ts.createTrue()));
                 }
             }
             var exportedNamesStorageRef = ts.createUniqueName("exportedNames");
@@ -52331,7 +52981,7 @@ var ts;
                                 var properties = [];
                                 for (var _c = 0, _d = entry.exportClause.elements; _c < _d.length; _c++) {
                                     var e = _d[_c];
-                                    properties.push(ts.createPropertyAssignment(ts.createLiteral(e.name.text), ts.createElementAccess(parameterName, ts.createLiteral((e.propertyName || e.name).text))));
+                                    properties.push(ts.createPropertyAssignment(ts.createLiteral(ts.unescapeLeadingUnderscores(e.name.escapedText)), ts.createElementAccess(parameterName, ts.createLiteral(ts.unescapeLeadingUnderscores((e.propertyName || e.name).escapedText)))));
                                 }
                                 statements.push(ts.createStatement(ts.createCall(exportFunction, undefined, [ts.createObjectLiteral(properties, true)])));
                             }
@@ -52576,7 +53226,7 @@ var ts;
                 var excludeName = void 0;
                 if (exportSelf) {
                     statements = appendExportStatement(statements, decl.name, ts.getLocalName(decl));
-                    excludeName = decl.name.text;
+                    excludeName = ts.unescapeLeadingUnderscores(decl.name.escapedText);
                 }
                 statements = appendExportsOfDeclaration(statements, decl, excludeName);
             }
@@ -52590,7 +53240,7 @@ var ts;
             if (ts.hasModifier(decl, 1)) {
                 var exportName = ts.hasModifier(decl, 512) ? ts.createLiteral("default") : decl.name;
                 statements = appendExportStatement(statements, exportName, ts.getLocalName(decl));
-                excludeName = exportName.text;
+                excludeName = ts.getTextOfIdentifierOrLiteral(exportName);
             }
             if (decl.name) {
                 statements = appendExportsOfDeclaration(statements, decl, excludeName);
@@ -52602,11 +53252,11 @@ var ts;
                 return statements;
             }
             var name = ts.getDeclarationName(decl);
-            var exportSpecifiers = moduleInfo.exportSpecifiers.get(name.text);
+            var exportSpecifiers = moduleInfo.exportSpecifiers.get(ts.unescapeLeadingUnderscores(name.escapedText));
             if (exportSpecifiers) {
                 for (var _i = 0, exportSpecifiers_2 = exportSpecifiers; _i < exportSpecifiers_2.length; _i++) {
                     var exportSpecifier = exportSpecifiers_2[_i];
-                    if (exportSpecifier.name.text !== excludeName) {
+                    if (exportSpecifier.name.escapedText !== excludeName) {
                         statements = appendExportStatement(statements, exportSpecifier.name, name);
                     }
                 }
@@ -52665,9 +53315,9 @@ var ts;
                     return visitCatchClause(node);
                 case 207:
                     return visitBlock(node);
-                case 299:
+                case 290:
                     return visitMergeDeclarationMarker(node);
-                case 300:
+                case 291:
                     return visitEndOfDeclarationMarker(node);
                 default:
                     return destructuringAndImportCallVisitor(node);
@@ -53080,7 +53730,7 @@ var ts;
     }
     ts.getTransformers = getTransformers;
     function transformNodes(resolver, host, options, nodes, transformers, allowDtsFiles) {
-        var enabledSyntaxKindFeatures = new Array(301);
+        var enabledSyntaxKindFeatures = new Array(292);
         var lexicalEnvironmentVariableDeclarations;
         var lexicalEnvironmentFunctionDeclarations;
         var lexicalEnvironmentVariableDeclarationsStack = [];
@@ -54231,7 +54881,7 @@ var ts;
             if (baseTypeNode && !ts.isEntityNameExpression(baseTypeNode.expression)) {
                 tempVarName = baseTypeNode.expression.kind === 95 ?
                     "null" :
-                    emitTempVariableDeclaration(baseTypeNode.expression, node.name.text + "_base", {
+                    emitTempVariableDeclaration(baseTypeNode.expression, node.name.escapedText + "_base", {
                         diagnosticMessage: ts.Diagnostics.extends_clause_of_exported_class_0_has_or_is_using_private_name_1,
                         errorNode: baseTypeNode,
                         typeName: node.name
@@ -54403,6 +55053,9 @@ var ts;
             return ts.forEach(node.declarationList.declarations, function (varDeclaration) { return resolver.isDeclarationVisible(varDeclaration); });
         }
         function writeVariableStatement(node) {
+            if (ts.every(node.declarationList && node.declarationList.declarations, function (decl) { return decl.name && ts.isEmptyBindingPattern(decl.name); })) {
+                return;
+            }
             emitJsDocComments(node);
             emitModuleElementDeclarationFlags(node);
             if (ts.isLet(node.declarationList)) {
@@ -55020,7 +55673,7 @@ var ts;
                     source = undefined;
                 if (source)
                     setSourceFile(source);
-                if (node.kind !== 296
+                if (node.kind !== 287
                     && (emitFlags & 16) === 0
                     && pos >= 0) {
                     emitPos(skipSourceTrivia(pos));
@@ -55037,7 +55690,7 @@ var ts;
                 }
                 if (source)
                     setSourceFile(source);
-                if (node.kind !== 296
+                if (node.kind !== 287
                     && (emitFlags & 32) === 0
                     && end >= 0) {
                     emitPos(end);
@@ -55179,7 +55832,7 @@ var ts;
                     if (extendedDiagnostics) {
                         ts.performance.mark("preEmitNodeWithComment");
                     }
-                    var isEmittedNode = node.kind !== 296;
+                    var isEmittedNode = node.kind !== 287;
                     var skipLeadingComments = pos < 0 || (emitFlags & 512) !== 0 || node.kind === 10;
                     var skipTrailingComments = end < 0 || (emitFlags & 1024) !== 0 || node.kind === 10;
                     if (!skipLeadingComments) {
@@ -55368,14 +56021,14 @@ var ts;
                 writer.writeLine();
             }
         }
-        function emitTrailingCommentsOfPosition(pos) {
+        function emitTrailingCommentsOfPosition(pos, prefixSpace) {
             if (disabled) {
                 return;
             }
             if (extendedDiagnostics) {
                 ts.performance.mark("beforeEmitTrailingCommentsOfPosition");
             }
-            forEachTrailingCommentToEmit(pos, emitTrailingCommentOfPosition);
+            forEachTrailingCommentToEmit(pos, prefixSpace ? emitTrailingComment : emitTrailingCommentOfPosition);
             if (extendedDiagnostics) {
                 ts.performance.measure("commentTime", "beforeEmitTrailingCommentsOfPosition");
             }
@@ -55455,15 +56108,7 @@ var ts;
                 emitPos(commentEnd);
         }
         function isTripleSlashComment(commentPos, commentEnd) {
-            if (currentText.charCodeAt(commentPos + 1) === 47 &&
-                commentPos + 2 < commentEnd &&
-                currentText.charCodeAt(commentPos + 2) === 47) {
-                var textSubStr = currentText.substring(commentPos, commentEnd);
-                return textSubStr.match(ts.fullTripleSlashReferencePathRegEx) ||
-                    textSubStr.match(ts.fullTripleSlashAMDReferencePathRegEx) ?
-                    true : false;
-            }
-            return false;
+            return ts.isRecognizedTripleSlashComment(currentText, commentPos, commentEnd);
         }
     }
     ts.createCommentWriter = createCommentWriter;
@@ -55472,6 +56117,50 @@ var ts;
 (function (ts) {
     var delimiters = createDelimiterMap();
     var brackets = createBracketsMap();
+    function forEachEmittedFile(host, action, sourceFilesOrTargetSourceFile, emitOnlyDtsFiles) {
+        var sourceFiles = ts.isArray(sourceFilesOrTargetSourceFile) ? sourceFilesOrTargetSourceFile : ts.getSourceFilesToEmit(host, sourceFilesOrTargetSourceFile);
+        var options = host.getCompilerOptions();
+        if (options.outFile || options.out) {
+            if (sourceFiles.length) {
+                var jsFilePath = options.outFile || options.out;
+                var sourceMapFilePath = getSourceMapFilePath(jsFilePath, options);
+                var declarationFilePath = options.declaration ? ts.removeFileExtension(jsFilePath) + ".d.ts" : "";
+                action({ jsFilePath: jsFilePath, sourceMapFilePath: sourceMapFilePath, declarationFilePath: declarationFilePath }, ts.createBundle(sourceFiles), emitOnlyDtsFiles);
+            }
+        }
+        else {
+            for (var _a = 0, sourceFiles_1 = sourceFiles; _a < sourceFiles_1.length; _a++) {
+                var sourceFile = sourceFiles_1[_a];
+                var jsFilePath = ts.getOwnEmitOutputFilePath(sourceFile, host, getOutputExtension(sourceFile, options));
+                var sourceMapFilePath = getSourceMapFilePath(jsFilePath, options);
+                var declarationFilePath = !ts.isSourceFileJavaScript(sourceFile) && (emitOnlyDtsFiles || options.declaration) ? ts.getDeclarationEmitOutputFilePath(sourceFile, host) : undefined;
+                action({ jsFilePath: jsFilePath, sourceMapFilePath: sourceMapFilePath, declarationFilePath: declarationFilePath }, sourceFile, emitOnlyDtsFiles);
+            }
+        }
+    }
+    ts.forEachEmittedFile = forEachEmittedFile;
+    function getSourceMapFilePath(jsFilePath, options) {
+        return options.sourceMap ? jsFilePath + ".map" : undefined;
+    }
+    function getOutputExtension(sourceFile, options) {
+        if (options.jsx === 1) {
+            if (ts.isSourceFileJavaScript(sourceFile)) {
+                if (ts.fileExtensionIs(sourceFile.fileName, ".jsx")) {
+                    return ".jsx";
+                }
+            }
+            else if (sourceFile.languageVariant === 1) {
+                return ".jsx";
+            }
+        }
+        return ".js";
+    }
+    function getOriginalSourceFileOrBundle(sourceFileOrBundle) {
+        if (sourceFileOrBundle.kind === 266) {
+            return ts.updateBundle(sourceFileOrBundle, ts.sameMap(sourceFileOrBundle.sourceFiles, ts.getOriginalSourceFile));
+        }
+        return ts.getOriginalSourceFile(sourceFileOrBundle);
+    }
     function emitFiles(resolver, host, targetSourceFile, emitOnlyDtsFiles, transformers) {
         var compilerOptions = host.getCompilerOptions();
         var moduleKind = ts.getEmitModuleKind(compilerOptions);
@@ -55498,7 +56187,7 @@ var ts;
             onSetSourceFile: setSourceFile,
         });
         ts.performance.mark("beforePrint");
-        ts.forEachEmittedFile(host, emitSourceFileOrBundle, transform.transformed, emitOnlyDtsFiles);
+        forEachEmittedFile(host, emitSourceFileOrBundle, transform.transformed, emitOnlyDtsFiles);
         ts.performance.measure("printTime", "beforePrint");
         transform.dispose();
         return {
@@ -55518,7 +56207,7 @@ var ts;
                 emitSkipped = true;
             }
             if (declarationFilePath) {
-                emitSkipped = ts.writeDeclarationFile(declarationFilePath, ts.getOriginalSourceFileOrBundle(sourceFileOrBundle), host, resolver, emitterDiagnostics, emitOnlyDtsFiles) || emitSkipped;
+                emitSkipped = ts.writeDeclarationFile(declarationFilePath, getOriginalSourceFileOrBundle(sourceFileOrBundle), host, resolver, emitterDiagnostics, emitOnlyDtsFiles) || emitSkipped;
             }
             if (!emitSkipped && emittedFilesList) {
                 if (!emitOnlyDtsFiles) {
@@ -55720,8 +56409,13 @@ var ts;
             comments.reset();
             setWriter(undefined);
         }
+        function emitIfPresent(node) {
+            if (node) {
+                emit(node);
+            }
+        }
         function emit(node) {
-            pipelineEmitWithNotification(3, node);
+            pipelineEmitWithNotification(4, node);
         }
         function emitIdentifierName(node) {
             pipelineEmitWithNotification(2, node);
@@ -55759,7 +56453,8 @@ var ts;
                 case 0: return pipelineEmitSourceFile(node);
                 case 2: return pipelineEmitIdentifierName(node);
                 case 1: return pipelineEmitExpression(node);
-                case 3: return pipelineEmitUnspecified(node);
+                case 3: return emitMappedTypeParameter(ts.cast(node, ts.isTypeParameterDeclaration));
+                case 4: return pipelineEmitUnspecified(node);
             }
         }
         function pipelineEmitSourceFile(node) {
@@ -55770,6 +56465,11 @@ var ts;
             ts.Debug.assertNode(node, ts.isIdentifier);
             emitIdentifier(node);
         }
+        function emitMappedTypeParameter(node) {
+            emit(node.name);
+            write(" in ");
+            emit(node.constraint);
+        }
         function pipelineEmitUnspecified(node) {
             var kind = node.kind;
             if (ts.isKeyword(kind)) {
@@ -56056,9 +56756,9 @@ var ts;
                     return emitJsxElement(node);
                 case 250:
                     return emitJsxSelfClosingElement(node);
-                case 297:
+                case 288:
                     return emitPartiallyEmittedExpression(node);
-                case 298:
+                case 289:
                     return emitCommaList(node);
             }
         }
@@ -56113,9 +56813,9 @@ var ts;
         function emitParameter(node) {
             emitDecorators(node, node.decorators);
             emitModifiers(node, node.modifiers);
-            writeIfPresent(node.dotDotDotToken, "...");
+            emitIfPresent(node.dotDotDotToken);
             emit(node.name);
-            writeIfPresent(node.questionToken, "?");
+            emitIfPresent(node.questionToken);
             emitWithPrefix(": ", node.type);
             emitExpressionWithPrefix(" = ", node.initializer);
         }
@@ -56127,7 +56827,7 @@ var ts;
             emitDecorators(node, node.decorators);
             emitModifiers(node, node.modifiers);
             emit(node.name);
-            writeIfPresent(node.questionToken, "?");
+            emitIfPresent(node.questionToken);
             emitWithPrefix(": ", node.type);
             write(";");
         }
@@ -56135,7 +56835,7 @@ var ts;
             emitDecorators(node, node.decorators);
             emitModifiers(node, node.modifiers);
             emit(node.name);
-            writeIfPresent(node.questionToken, "?");
+            emitIfPresent(node.questionToken);
             emitWithPrefix(": ", node.type);
             emitExpressionWithPrefix(" = ", node.initializer);
             write(";");
@@ -56144,7 +56844,7 @@ var ts;
             emitDecorators(node, node.decorators);
             emitModifiers(node, node.modifiers);
             emit(node.name);
-            writeIfPresent(node.questionToken, "?");
+            emitIfPresent(node.questionToken);
             emitTypeParameters(node, node.typeParameters);
             emitParameters(node, node.parameters);
             emitWithPrefix(": ", node.type);
@@ -56153,9 +56853,9 @@ var ts;
         function emitMethodDeclaration(node) {
             emitDecorators(node, node.decorators);
             emitModifiers(node, node.modifiers);
-            writeIfPresent(node.asteriskToken, "*");
+            emitIfPresent(node.asteriskToken);
             emit(node.name);
-            writeIfPresent(node.questionToken, "?");
+            emitIfPresent(node.questionToken);
             emitSignatureAndBody(node, emitSignatureHead);
         }
         function emitConstructor(node) {
@@ -56225,9 +56925,8 @@ var ts;
         }
         function emitTypeLiteral(node) {
             write("{");
-            if (node.members.length > 0) {
-                emitList(node, node.members, ts.getEmitFlags(node) & 1 ? 448 : 65);
-            }
+            var flags = ts.getEmitFlags(node) & 1 ? 448 : 65;
+            emitList(node, node.members, flags | 262144);
             write("}");
         }
         function emitArrayType(node) {
@@ -56274,13 +56973,14 @@ var ts;
                 writeLine();
                 increaseIndent();
             }
-            writeIfPresent(node.readonlyToken, "readonly ");
+            if (node.readonlyToken) {
+                emit(node.readonlyToken);
+                write(" ");
+            }
             write("[");
-            emit(node.typeParameter.name);
-            write(" in ");
-            emit(node.typeParameter.constraint);
+            pipelineEmitWithNotification(3, node.typeParameter);
             write("]");
-            writeIfPresent(node.questionToken, "?");
+            emitIfPresent(node.questionToken);
             write(": ");
             emit(node.type);
             write(";");
@@ -56320,36 +57020,25 @@ var ts;
         }
         function emitBindingElement(node) {
             emitWithSuffix(node.propertyName, ": ");
-            writeIfPresent(node.dotDotDotToken, "...");
+            emitIfPresent(node.dotDotDotToken);
             emit(node.name);
             emitExpressionWithPrefix(" = ", node.initializer);
         }
         function emitArrayLiteralExpression(node) {
             var elements = node.elements;
-            if (elements.length === 0) {
-                write("[]");
-            }
-            else {
-                var preferNewLine = node.multiLine ? 32768 : 0;
-                emitExpressionList(node, elements, 4466 | preferNewLine);
-            }
+            var preferNewLine = node.multiLine ? 32768 : 0;
+            emitExpressionList(node, elements, 4466 | preferNewLine);
         }
         function emitObjectLiteralExpression(node) {
-            var properties = node.properties;
-            if (properties.length === 0) {
-                write("{}");
+            var indentedFlag = ts.getEmitFlags(node) & 65536;
+            if (indentedFlag) {
+                increaseIndent();
             }
-            else {
-                var indentedFlag = ts.getEmitFlags(node) & 65536;
-                if (indentedFlag) {
-                    increaseIndent();
-                }
-                var preferNewLine = node.multiLine ? 32768 : 0;
-                var allowTrailingComma = currentSourceFile.languageVersion >= 1 ? 32 : 0;
-                emitList(node, properties, 978 | allowTrailingComma | preferNewLine);
-                if (indentedFlag) {
-                    decreaseIndent();
-                }
+            var preferNewLine = node.multiLine ? 32768 : 0;
+            var allowTrailingComma = currentSourceFile.languageVersion >= 1 ? 32 : 0;
+            emitList(node, node.properties, 263122 | allowTrailingComma | preferNewLine);
+            if (indentedFlag) {
+                decreaseIndent();
             }
         }
         function emitPropertyAccessExpression(node) {
@@ -56358,7 +57047,9 @@ var ts;
             if (!(ts.getEmitFlags(node) & 131072)) {
                 var dotRangeStart = node.expression.end;
                 var dotRangeEnd = ts.skipTrivia(currentSourceFile.text, node.expression.end) + 1;
-                var dotToken = { kind: 23, pos: dotRangeStart, end: dotRangeEnd };
+                var dotToken = ts.createToken(23);
+                dotToken.pos = dotRangeStart;
+                dotToken.end = dotRangeEnd;
                 indentBeforeDot = needsIndentation(node, node.expression, dotToken);
                 indentAfterDot = needsIndentation(node, dotToken, node.name);
             }
@@ -56429,7 +57120,8 @@ var ts;
             emitTypeParameters(node, node.typeParameters);
             emitParametersForArrow(node, node.parameters);
             emitWithPrefix(": ", node.type);
-            write(" =>");
+            write(" ");
+            emit(node.equalsGreaterThanToken);
         }
         function emitDeleteExpression(node) {
             write("delete ");
@@ -56470,7 +57162,9 @@ var ts;
             var indentAfterOperator = needsIndentation(node, node.operatorToken, node.right);
             emitExpression(node.left);
             increaseIndentIf(indentBeforeOperator, isCommaOperator ? " " : undefined);
+            emitLeadingCommentsOfPosition(node.operatorToken.pos);
             writeTokenNode(node.operatorToken);
+            emitTrailingCommentsOfPosition(node.operatorToken.end, true);
             increaseIndentIf(indentAfterOperator, " ");
             emitExpression(node.right);
             decreaseIndentIf(indentBeforeOperator, indentAfterOperator);
@@ -56482,12 +57176,12 @@ var ts;
             var indentAfterColon = needsIndentation(node, node.colonToken, node.whenFalse);
             emitExpression(node.condition);
             increaseIndentIf(indentBeforeQuestion, " ");
-            write("?");
+            emit(node.questionToken);
             increaseIndentIf(indentAfterQuestion, " ");
             emitExpression(node.whenTrue);
             decreaseIndentIf(indentBeforeQuestion, indentAfterQuestion);
             increaseIndentIf(indentBeforeColon, " ");
-            write(":");
+            emit(node.colonToken);
             increaseIndentIf(indentAfterColon, " ");
             emitExpression(node.whenFalse);
             decreaseIndentIf(indentBeforeColon, indentAfterColon);
@@ -56497,7 +57191,8 @@ var ts;
             emitList(node, node.templateSpans, 131072);
         }
         function emitYieldExpression(node) {
-            write(node.asteriskToken ? "yield*" : "yield");
+            write("yield");
+            emit(node.asteriskToken);
             emitExpressionWithPrefix(" ", node.expression);
         }
         function emitSpreadExpression(node) {
@@ -56532,27 +57227,16 @@ var ts;
             emit(node.literal);
         }
         function emitBlock(node) {
-            if (isSingleLineEmptyBlock(node)) {
-                writeToken(17, node.pos, node);
-                write(" ");
-                writeToken(18, node.statements.end, node);
-            }
-            else {
-                writeToken(17, node.pos, node);
-                emitBlockStatements(node);
-                increaseIndent();
-                emitLeadingCommentsOfPosition(node.statements.end);
-                decreaseIndent();
-                writeToken(18, node.statements.end, node);
-            }
+            writeToken(17, node.pos, node);
+            emitBlockStatements(node, !node.multiLine && isEmptyBlock(node));
+            increaseIndent();
+            emitLeadingCommentsOfPosition(node.statements.end);
+            decreaseIndent();
+            writeToken(18, node.statements.end, node);
         }
-        function emitBlockStatements(node) {
-            if (ts.getEmitFlags(node) & 1) {
-                emitList(node, node.statements, 384);
-            }
-            else {
-                emitList(node, node.statements, 65);
-            }
+        function emitBlockStatements(node, forceSingleLine) {
+            var format = forceSingleLine || ts.getEmitFlags(node) & 1 ? 384 : 65;
+            emitList(node, node.statements, format);
         }
         function emitVariableStatement(node) {
             emitModifiers(node, node.modifiers);
@@ -56657,8 +57341,19 @@ var ts;
             emitWithPrefix(" ", node.label);
             write(";");
         }
+        function emitTokenWithComment(token, pos, contextNode) {
+            var node = contextNode && ts.getParseTreeNode(contextNode);
+            if (node && node.kind === contextNode.kind) {
+                pos = ts.skipTrivia(currentSourceFile.text, pos);
+            }
+            pos = writeToken(token, pos, contextNode);
+            if (node && node.kind === contextNode.kind) {
+                emitTrailingCommentsOfPosition(pos, true);
+            }
+            return pos;
+        }
         function emitReturnStatement(node) {
-            writeToken(96, node.pos, node);
+            emitTokenWithComment(96, node.pos, node);
             emitExpressionWithPrefix(" ", node.expression);
             write(";");
         }
@@ -56719,7 +57414,9 @@ var ts;
         function emitFunctionDeclarationOrExpression(node) {
             emitDecorators(node, node.decorators);
             emitModifiers(node, node.modifiers);
-            write(node.asteriskToken ? "function* " : "function ");
+            write("function");
+            emitIfPresent(node.asteriskToken);
+            write(" ");
             emitIdentifierName(node.name);
             emitSignatureAndBody(node, emitSignatureHead);
         }
@@ -56737,7 +57434,7 @@ var ts;
                     if (ts.getEmitFlags(node) & 524288) {
                         emitSignatureHead(node);
                         if (onEmitNode) {
-                            onEmitNode(3, body, emitBlockCallback);
+                            onEmitNode(4, body, emitBlockCallback);
                         }
                         else {
                             emitBlockFunctionBody(body);
@@ -56747,7 +57444,7 @@ var ts;
                         pushNameGenerationScope();
                         emitSignatureHead(node);
                         if (onEmitNode) {
-                            onEmitNode(3, body, emitBlockCallback);
+                            onEmitNode(4, body, emitBlockCallback);
                         }
                         else {
                             emitBlockFunctionBody(body);
@@ -56897,16 +57594,11 @@ var ts;
             emit(body);
         }
         function emitModuleBlock(node) {
-            if (isEmptyBlock(node)) {
-                write("{ }");
-            }
-            else {
-                pushNameGenerationScope();
-                write("{");
-                emitBlockStatements(node);
-                write("}");
-                popNameGenerationScope();
-            }
+            pushNameGenerationScope();
+            write("{");
+            emitBlockStatements(node, isEmptyBlock(node));
+            write("}");
+            popNameGenerationScope();
         }
         function emitCaseBlock(node) {
             writeToken(17, node.pos);
@@ -57049,9 +57741,7 @@ var ts;
         function emitJsxExpression(node) {
             if (node.expression) {
                 write("{");
-                if (node.dotDotDotToken) {
-                    write("...");
-                }
+                emitIfPresent(node.dotDotDotToken);
                 emitExpression(node.expression);
                 write("}");
             }
@@ -57082,13 +57772,12 @@ var ts;
             if (statements.length > 0) {
                 emitTrailingCommentsOfPosition(statements.pos);
             }
+            var format = 81985;
             if (emitAsSingleStatement) {
                 write(" ");
-                emit(statements[0]);
-            }
-            else {
-                emitList(parentNode, statements, 81985);
+                format &= ~(1 | 64);
             }
+            emitList(parentNode, statements, format);
         }
         function emitHeritageClause(node) {
             write(" ");
@@ -57099,10 +57788,12 @@ var ts;
         function emitCatchClause(node) {
             var openParenPos = writeToken(74, node.pos);
             write(" ");
-            writeToken(19, openParenPos);
-            emit(node.variableDeclaration);
-            writeToken(20, node.variableDeclaration ? node.variableDeclaration.end : openParenPos);
-            write(" ");
+            if (node.variableDeclaration) {
+                writeToken(19, openParenPos);
+                emit(node.variableDeclaration);
+                writeToken(20, node.variableDeclaration.end);
+                write(" ");
+            }
             emit(node.block);
         }
         function emitPropertyAssignment(node) {
@@ -57171,7 +57862,7 @@ var ts;
                         }
                         emit(statement);
                         if (seenPrologueDirectives) {
-                            seenPrologueDirectives.set(statement.expression.text, statement.expression.text);
+                            seenPrologueDirectives.set(statement.expression.text, true);
                         }
                     }
                 }
@@ -57279,7 +57970,7 @@ var ts;
         }
         function emitParametersForArrow(parentNode, parameters) {
             if (canEmitSimpleArrowHead(parentNode, parameters)) {
-                emit(parameters[0]);
+                emitList(parentNode, parameters, 1360 & ~1024);
             }
             else {
                 emitParameters(parentNode, parameters);
@@ -57303,6 +57994,12 @@ var ts;
             }
             var isEmpty = isUndefined || children.length === 0 || start >= children.length || count === 0;
             if (isEmpty && format & 16384) {
+                if (onBeforeEmitNodeArray) {
+                    onBeforeEmitNodeArray(children);
+                }
+                if (onAfterEmitNodeArray) {
+                    onAfterEmitNodeArray(children);
+                }
                 return;
             }
             if (format & 7680) {
@@ -57315,7 +58012,7 @@ var ts;
                 if (format & 1) {
                     writeLine();
                 }
-                else if (format & 128) {
+                else if (format & 128 && !(format & 262144)) {
                     write(" ");
                 }
             }
@@ -57411,11 +58108,6 @@ var ts;
                 write(text);
             }
         }
-        function writeIfPresent(node, text) {
-            if (node) {
-                write(text);
-            }
-        }
         function writeToken(token, pos, contextNode) {
             return onEmitSourceMapOfToken
                 ? onEmitSourceMapOfToken(contextNode, token, pos, writeTokenText)
@@ -57425,7 +58117,7 @@ var ts;
             if (onBeforeEmitToken) {
                 onBeforeEmitToken(node);
             }
-            writeTokenText(node.kind);
+            write(ts.tokenToString(node.kind));
             if (onAfterEmitToken) {
                 onAfterEmitToken(node);
             }
@@ -57574,10 +58266,6 @@ var ts;
                 && !ts.nodeIsSynthesized(node2)
                 && !ts.rangeEndIsOnSameLineAsRangeStart(node1, node2, currentSourceFile);
         }
-        function isSingleLineEmptyBlock(block) {
-            return !block.multiLine
-                && isEmptyBlock(block);
-        }
         function isEmptyBlock(block) {
             return block.statements.length === 0
                 && ts.rangeEndIsOnSameLineAsRangeStart(block, block, currentSourceFile);
@@ -57593,7 +58281,7 @@ var ts;
                 return generateName(node);
             }
             else if (ts.isIdentifier(node) && (ts.nodeIsSynthesized(node) || !node.parent)) {
-                return ts.unescapeIdentifier(node.text);
+                return ts.unescapeLeadingUnderscores(node.escapedText);
             }
             else if (node.kind === 9 && node.textSourceNode) {
                 return getTextOfNode(node.textSourceNode, includeTrivia);
@@ -57631,12 +58319,12 @@ var ts;
             }
             else {
                 var autoGenerateId = name.autoGenerateId;
-                return autoGeneratedIdToGeneratedName[autoGenerateId] || (autoGeneratedIdToGeneratedName[autoGenerateId] = ts.unescapeIdentifier(makeName(name)));
+                return autoGeneratedIdToGeneratedName[autoGenerateId] || (autoGeneratedIdToGeneratedName[autoGenerateId] = makeName(name));
             }
         }
         function generateNameCached(node) {
             var nodeId = ts.getNodeId(node);
-            return nodeIdToGeneratedName[nodeId] || (nodeIdToGeneratedName[nodeId] = ts.unescapeIdentifier(generateNameForNode(node)));
+            return nodeIdToGeneratedName[nodeId] || (nodeIdToGeneratedName[nodeId] = generateNameForNode(node));
         }
         function isUniqueName(name) {
             return !(hasGlobalName && hasGlobalName(name))
@@ -57646,8 +58334,8 @@ var ts;
         function isUniqueLocalName(name, container) {
             for (var node = container; ts.isNodeDescendantOf(node, container); node = node.nextContainer) {
                 if (node.locals) {
-                    var local = node.locals.get(name);
-                    if (local && local.flags & (107455 | 1048576 | 8388608)) {
+                    var local = node.locals.get(ts.escapeLeadingUnderscores(name));
+                    if (local && local.flags & (107455 | 1048576 | 2097152)) {
                         return false;
                     }
                 }
@@ -57683,7 +58371,7 @@ var ts;
             while (true) {
                 var generatedName = baseName + i;
                 if (isUniqueName(generatedName)) {
-                    generatedNames.set(generatedName, generatedName);
+                    generatedNames.set(generatedName, true);
                     return generatedName;
                 }
                 i++;
@@ -57695,8 +58383,8 @@ var ts;
         }
         function generateNameForImportOrExportDeclaration(node) {
             var expr = ts.getExternalModuleName(node);
-            var baseName = expr.kind === 9 ?
-                ts.escapeIdentifier(ts.makeIdentifierFromModuleName(expr.text)) : "module";
+            var baseName = ts.isStringLiteral(expr) ?
+                ts.makeIdentifierFromModuleName(expr.text) : "module";
             return makeUniqueName(baseName);
         }
         function generateNameForExportDefault() {
@@ -57742,7 +58430,7 @@ var ts;
                 case 2:
                     return makeTempVariableName(268435456);
                 case 3:
-                    return makeUniqueName(ts.unescapeIdentifier(name.text));
+                    return makeUniqueName(ts.unescapeLeadingUnderscores(name.escapedText));
             }
             ts.Debug.fail("Unsupported GeneratedIdentifierKind.");
         }
@@ -57821,6 +58509,8 @@ var ts;
         ListFormat[ListFormat["PreferNewLine"] = 32768] = "PreferNewLine";
         ListFormat[ListFormat["NoTrailingNewLine"] = 65536] = "NoTrailingNewLine";
         ListFormat[ListFormat["NoInterveningComments"] = 131072] = "NoInterveningComments";
+        ListFormat[ListFormat["NoSpaceIfEmpty"] = 262144] = "NoSpaceIfEmpty";
+        ListFormat[ListFormat["SingleElement"] = 524288] = "SingleElement";
         ListFormat[ListFormat["Modifiers"] = 131328] = "Modifiers";
         ListFormat[ListFormat["HeritageClauses"] = 256] = "HeritageClauses";
         ListFormat[ListFormat["SingleLineTypeLiteralMembers"] = 448] = "SingleLineTypeLiteralMembers";
@@ -57830,7 +58520,7 @@ var ts;
         ListFormat[ListFormat["IntersectionTypeConstituents"] = 264] = "IntersectionTypeConstituents";
         ListFormat[ListFormat["ObjectBindingPatternElements"] = 432] = "ObjectBindingPatternElements";
         ListFormat[ListFormat["ArrayBindingPatternElements"] = 304] = "ArrayBindingPatternElements";
-        ListFormat[ListFormat["ObjectLiteralExpressionProperties"] = 978] = "ObjectLiteralExpressionProperties";
+        ListFormat[ListFormat["ObjectLiteralExpressionProperties"] = 263122] = "ObjectLiteralExpressionProperties";
         ListFormat[ListFormat["ArrayLiteralExpressionElements"] = 4466] = "ArrayLiteralExpressionElements";
         ListFormat[ListFormat["CommaListElements"] = 272] = "CommaListElements";
         ListFormat[ListFormat["CallExpressionArguments"] = 1296] = "CallExpressionArguments";
@@ -57861,7 +58551,6 @@ var ts;
 })(ts || (ts = {}));
 var ts;
 (function (ts) {
-    var emptyArray = [];
     var ignoreDiagnosticCommentRegEx = /(^\s*$)|(^\s*\/\/\/?\s*(@ts-ignore)?)/;
     function findConfigFile(searchPath, fileExists, configName) {
         if (configName === void 0) { configName = "tsconfig.json"; }
@@ -58074,9 +58763,9 @@ var ts;
         for (var _i = 0, diagnostics_2 = diagnostics; _i < diagnostics_2.length; _i++) {
             var diagnostic = diagnostics_2[_i];
             if (diagnostic.file) {
-                var start = diagnostic.start, length_5 = diagnostic.length, file = diagnostic.file;
+                var start = diagnostic.start, length_6 = diagnostic.length, file = diagnostic.file;
                 var _a = ts.getLineAndCharacterOfPosition(file, start), firstLine = _a.line, firstLineChar = _a.character;
-                var _b = ts.getLineAndCharacterOfPosition(file, start + length_5), lastLine = _b.line, lastLineChar = _b.character;
+                var _b = ts.getLineAndCharacterOfPosition(file, start + length_6), lastLine = _b.line, lastLineChar = _b.character;
                 var lastLineInFile = ts.getLineAndCharacterOfPosition(file, file.text.length).line;
                 var relativeFileName = host ? ts.convertToRelativePath(file.fileName, host.getCurrentDirectory(), function (fileName) { return host.getCanonicalFileName(fileName); }) : file.fileName;
                 var hasMoreThanFiveLines = (lastLine - firstLine) >= 4;
@@ -58119,6 +58808,7 @@ var ts;
             var categoryColor = getCategoryFormat(diagnostic.category);
             var category = ts.DiagnosticCategory[diagnostic.category].toLowerCase();
             output += formatAndReset(category, categoryColor) + " TS" + diagnostic.code + ": " + flattenDiagnosticMessageText(diagnostic.messageText, ts.sys.newLine);
+            output += ts.sys.newLine;
         }
         return output;
     }
@@ -58187,11 +58877,12 @@ var ts;
         var programDiagnostics = ts.createDiagnosticCollection();
         var currentDirectory = host.getCurrentDirectory();
         var supportedExtensions = ts.getSupportedExtensions(options);
-        var hasEmitBlockingDiagnostics = ts.createFileMap(getCanonicalFileName);
+        var hasEmitBlockingDiagnostics = ts.createMap();
+        var _compilerOptionsObjectLiteralSyntax;
         var moduleResolutionCache;
         var resolveModuleNamesWorker;
         if (host.resolveModuleNames) {
-            resolveModuleNamesWorker = function (moduleNames, containingFile) { return host.resolveModuleNames(moduleNames, containingFile).map(function (resolved) {
+            resolveModuleNamesWorker = function (moduleNames, containingFile) { return host.resolveModuleNames(checkAllDefined(moduleNames), containingFile).map(function (resolved) {
                 if (!resolved || resolved.extension !== undefined) {
                     return resolved;
                 }
@@ -58203,18 +58894,21 @@ var ts;
         else {
             moduleResolutionCache = ts.createModuleResolutionCache(currentDirectory, function (x) { return host.getCanonicalFileName(x); });
             var loader_1 = function (moduleName, containingFile) { return ts.resolveModuleName(moduleName, containingFile, options, host, moduleResolutionCache).resolvedModule; };
-            resolveModuleNamesWorker = function (moduleNames, containingFile) { return loadWithLocalCache(moduleNames, containingFile, loader_1); };
+            resolveModuleNamesWorker = function (moduleNames, containingFile) { return loadWithLocalCache(checkAllDefined(moduleNames), containingFile, loader_1); };
         }
         var resolveTypeReferenceDirectiveNamesWorker;
         if (host.resolveTypeReferenceDirectives) {
-            resolveTypeReferenceDirectiveNamesWorker = function (typeDirectiveNames, containingFile) { return host.resolveTypeReferenceDirectives(typeDirectiveNames, containingFile); };
+            resolveTypeReferenceDirectiveNamesWorker = function (typeDirectiveNames, containingFile) { return host.resolveTypeReferenceDirectives(checkAllDefined(typeDirectiveNames), containingFile); };
         }
         else {
             var loader_2 = function (typesRef, containingFile) { return ts.resolveTypeReferenceDirective(typesRef, containingFile, options, host).resolvedTypeReferenceDirective; };
-            resolveTypeReferenceDirectiveNamesWorker = function (typeReferenceDirectiveNames, containingFile) { return loadWithLocalCache(typeReferenceDirectiveNames, containingFile, loader_2); };
+            resolveTypeReferenceDirectiveNamesWorker = function (typeReferenceDirectiveNames, containingFile) { return loadWithLocalCache(checkAllDefined(typeReferenceDirectiveNames), containingFile, loader_2); };
         }
-        var filesByName = ts.createFileMap();
-        var filesByNameIgnoreCase = host.useCaseSensitiveFileNames() ? ts.createFileMap(function (fileName) { return fileName.toLowerCase(); }) : undefined;
+        var packageIdToSourceFile = ts.createMap();
+        var sourceFileToPackageName = ts.createMap();
+        var redirectTargetsSet = ts.createMap();
+        var filesByName = ts.createMap();
+        var filesByNameIgnoreCase = host.useCaseSensitiveFileNames() ? ts.createMap() : undefined;
         var structuralIsReused = tryReuseStructureFromOldProgram();
         if (structuralIsReused !== 2) {
             ts.forEach(rootNames, function (name) { return processRootFile(name, false); });
@@ -58239,6 +58933,7 @@ var ts;
                 }
             }
         }
+        var missingFilePaths = ts.arrayFrom(filesByName.keys(), function (p) { return p; }).filter(function (p) { return !filesByName.get(p); });
         moduleResolutionCache = undefined;
         oldProgram = undefined;
         program = {
@@ -58246,6 +58941,7 @@ var ts;
             getSourceFile: getSourceFile,
             getSourceFileByPath: getSourceFileByPath,
             getSourceFiles: function () { return files; },
+            getMissingFilePaths: function () { return missingFilePaths; },
             getCompilerOptions: function () { return options; },
             getSyntacticDiagnostics: getSyntacticDiagnostics,
             getOptionsDiagnostics: getOptionsDiagnostics,
@@ -58267,11 +58963,16 @@ var ts;
             isSourceFileFromExternalLibrary: isSourceFileFromExternalLibrary,
             dropDiagnosticsProducingTypeChecker: dropDiagnosticsProducingTypeChecker,
             getSourceFileFromReference: getSourceFileFromReference,
+            sourceFileToPackageName: sourceFileToPackageName,
+            redirectTargetsSet: redirectTargetsSet,
         };
         verifyCompilerOptions();
         ts.performance.mark("afterProgram");
         ts.performance.measure("Program", "beforeProgram", "afterProgram");
         return program;
+        function toPath(fileName) {
+            return ts.toPath(fileName, currentDirectory, getCanonicalFileName);
+        }
         function getCommonSourceDirectory() {
             if (commonSourceDirectory === undefined) {
                 var emittedFiles = ts.filter(files, function (file) { return ts.sourceFileMayBeEmitted(file, options, isSourceFileFromExternalLibrary); });
@@ -58290,7 +58991,7 @@ var ts;
         function getClassifiableNames() {
             if (!classifiableNames) {
                 getTypeChecker();
-                classifiableNames = ts.createMap();
+                classifiableNames = ts.createUnderscoreEscapedMap();
                 for (var _i = 0, files_2 = files; _i < files_2.length; _i++) {
                     var sourceFile = files_2[_i];
                     ts.copyEntries(sourceFile.classifiableNames, classifiableNames);
@@ -58346,7 +59047,7 @@ var ts;
             }
             var resolutions = unknownModuleNames && unknownModuleNames.length
                 ? resolveModuleNamesWorker(unknownModuleNames, containingFile)
-                : emptyArray;
+                : ts.emptyArray;
             if (!result) {
                 ts.Debug.assert(resolutions.length === moduleNames.length);
                 return resolutions;
@@ -58407,17 +59108,51 @@ var ts;
             var filePaths = [];
             var modifiedSourceFiles = [];
             oldProgram.structureIsReused = 2;
-            for (var _i = 0, _a = oldProgram.getSourceFiles(); _i < _a.length; _i++) {
-                var oldSourceFile = _a[_i];
+            var oldSourceFiles = oldProgram.getSourceFiles();
+            var SeenPackageName;
+            (function (SeenPackageName) {
+                SeenPackageName[SeenPackageName["Exists"] = 0] = "Exists";
+                SeenPackageName[SeenPackageName["Modified"] = 1] = "Modified";
+            })(SeenPackageName || (SeenPackageName = {}));
+            var seenPackageNames = ts.createMap();
+            for (var _i = 0, oldSourceFiles_1 = oldSourceFiles; _i < oldSourceFiles_1.length; _i++) {
+                var oldSourceFile = oldSourceFiles_1[_i];
                 var newSourceFile = host.getSourceFileByPath
                     ? host.getSourceFileByPath(oldSourceFile.fileName, oldSourceFile.path, options.target)
                     : host.getSourceFile(oldSourceFile.fileName, options.target);
                 if (!newSourceFile) {
                     return oldProgram.structureIsReused = 0;
                 }
+                ts.Debug.assert(!newSourceFile.redirectInfo, "Host should not return a redirect source file from `getSourceFile`");
+                var fileChanged = void 0;
+                if (oldSourceFile.redirectInfo) {
+                    if (newSourceFile !== oldSourceFile.redirectInfo.unredirected) {
+                        return oldProgram.structureIsReused = 0;
+                    }
+                    fileChanged = false;
+                    newSourceFile = oldSourceFile;
+                }
+                else if (oldProgram.redirectTargetsSet.has(oldSourceFile.path)) {
+                    if (newSourceFile !== oldSourceFile) {
+                        return oldProgram.structureIsReused = 0;
+                    }
+                    fileChanged = false;
+                }
+                else {
+                    fileChanged = newSourceFile !== oldSourceFile;
+                }
                 newSourceFile.path = oldSourceFile.path;
                 filePaths.push(newSourceFile.path);
-                if (oldSourceFile !== newSourceFile) {
+                var packageName = oldProgram.sourceFileToPackageName.get(oldSourceFile.path);
+                if (packageName !== undefined) {
+                    var prevKind = seenPackageNames.get(packageName);
+                    var newKind = fileChanged ? 1 : 0;
+                    if ((prevKind !== undefined && newKind === 1) || prevKind === 1) {
+                        return oldProgram.structureIsReused = 0;
+                    }
+                    seenPackageNames.set(packageName, newKind);
+                }
+                if (fileChanged) {
                     if (oldSourceFile.hasNoDefaultLib !== newSourceFile.hasNoDefaultLib) {
                         oldProgram.structureIsReused = 1;
                     }
@@ -58445,8 +59180,8 @@ var ts;
                 return oldProgram.structureIsReused;
             }
             modifiedFilePaths = modifiedSourceFiles.map(function (f) { return f.newFile.path; });
-            for (var _b = 0, modifiedSourceFiles_1 = modifiedSourceFiles; _b < modifiedSourceFiles_1.length; _b++) {
-                var _c = modifiedSourceFiles_1[_b], oldSourceFile = _c.oldFile, newSourceFile = _c.newFile;
+            for (var _a = 0, modifiedSourceFiles_1 = modifiedSourceFiles; _a < modifiedSourceFiles_1.length; _a++) {
+                var _b = modifiedSourceFiles_1[_a], oldSourceFile = _b.oldFile, newSourceFile = _b.newFile;
                 var newSourceFilePath = ts.getNormalizedAbsolutePath(newSourceFile.fileName, currentDirectory);
                 if (resolveModuleNamesWorker) {
                     var moduleNames = ts.map(ts.concatenate(newSourceFile.imports, newSourceFile.moduleAugmentations), getTextOfLiteral);
@@ -58477,16 +59212,25 @@ var ts;
             if (oldProgram.structureIsReused !== 2) {
                 return oldProgram.structureIsReused;
             }
+            if (oldProgram.getMissingFilePaths().some(function (missingFilePath) { return host.fileExists(missingFilePath); })) {
+                return oldProgram.structureIsReused = 1;
+            }
+            for (var _c = 0, _d = oldProgram.getMissingFilePaths(); _c < _d.length; _c++) {
+                var p = _d[_c];
+                filesByName.set(p, undefined);
+            }
             for (var i = 0; i < newSourceFiles.length; i++) {
                 filesByName.set(filePaths[i], newSourceFiles[i]);
             }
             files = newSourceFiles;
             fileProcessingDiagnostics = oldProgram.getFileProcessingDiagnostics();
-            for (var _d = 0, modifiedSourceFiles_2 = modifiedSourceFiles; _d < modifiedSourceFiles_2.length; _d++) {
-                var modifiedFile = modifiedSourceFiles_2[_d];
+            for (var _e = 0, modifiedSourceFiles_2 = modifiedSourceFiles; _e < modifiedSourceFiles_2.length; _e++) {
+                var modifiedFile = modifiedSourceFiles_2[_e];
                 fileProcessingDiagnostics.reattachFileDiagnostics(modifiedFile.newFile);
             }
             resolvedTypeReferenceDirectives = oldProgram.getResolvedTypeReferenceDirectives();
+            sourceFileToPackageName = oldProgram.sourceFileToPackageName;
+            redirectTargetsSet = oldProgram.redirectTargetsSet;
             return oldProgram.structureIsReused = 2;
         }
         function getEmitHost(writeFileCallback) {
@@ -58520,7 +59264,7 @@ var ts;
             return runWithCancellationToken(function () { return emitWorker(program, sourceFile, writeFileCallback, cancellationToken, emitOnlyDtsFiles, transformers); });
         }
         function isEmitBlocked(emitFileName) {
-            return hasEmitBlockingDiagnostics.contains(ts.toPath(emitFileName, currentDirectory, getCanonicalFileName));
+            return hasEmitBlockingDiagnostics.has(toPath(emitFileName));
         }
         function emitWorker(program, sourceFile, writeFileCallback, cancellationToken, emitOnlyDtsFiles, customTransformers) {
             var declarationDiagnostics = [];
@@ -58550,7 +59294,7 @@ var ts;
             return emitResult;
         }
         function getSourceFile(fileName) {
-            return getSourceFileByPath(ts.toPath(fileName, currentDirectory, getCanonicalFileName));
+            return getSourceFileByPath(toPath(fileName));
         }
         function getSourceFileByPath(path) {
             return filesByName.get(path);
@@ -58611,13 +59355,13 @@ var ts;
         function getSemanticDiagnosticsForFileNoCache(sourceFile, cancellationToken) {
             return runWithCancellationToken(function () {
                 if (options.skipLibCheck && sourceFile.isDeclarationFile || options.skipDefaultLibCheck && sourceFile.hasNoDefaultLib) {
-                    return emptyArray;
+                    return ts.emptyArray;
                 }
                 var typeChecker = getDiagnosticsProducingTypeChecker();
                 ts.Debug.assert(!!sourceFile.bindDiagnostics);
                 var includeBindAndCheckDiagnostics = !ts.isSourceFileJavaScript(sourceFile) || ts.isCheckJsEnabledForFile(sourceFile, options);
-                var bindDiagnostics = includeBindAndCheckDiagnostics ? sourceFile.bindDiagnostics : emptyArray;
-                var checkDiagnostics = includeBindAndCheckDiagnostics ? typeChecker.getDiagnostics(sourceFile, cancellationToken) : emptyArray;
+                var bindDiagnostics = includeBindAndCheckDiagnostics ? sourceFile.bindDiagnostics : ts.emptyArray;
+                var checkDiagnostics = includeBindAndCheckDiagnostics ? typeChecker.getDiagnostics(sourceFile, cancellationToken) : ts.emptyArray;
                 var fileProcessingDiagnosticsInFile = fileProcessingDiagnostics.getDiagnostics(sourceFile.fileName);
                 var programDiagnosticsInFile = programDiagnostics.getDiagnostics(sourceFile.fileName);
                 var diagnostics = bindDiagnostics.concat(checkDiagnostics, fileProcessingDiagnosticsInFile, programDiagnosticsInFile);
@@ -58667,7 +59411,6 @@ var ts;
                         case 186:
                         case 228:
                         case 187:
-                        case 228:
                         case 226:
                             if (parent.type === node) {
                                 diagnostics.push(createDiagnosticForNode(node, ts.Diagnostics.types_can_only_be_used_in_a_ts_file));
@@ -58703,10 +59446,14 @@ var ts;
                         case 232:
                             diagnostics.push(createDiagnosticForNode(node, ts.Diagnostics.enum_declarations_can_only_be_used_in_a_ts_file));
                             return;
-                        case 184:
-                            var typeAssertionExpression = node;
-                            diagnostics.push(createDiagnosticForNode(typeAssertionExpression.type, ts.Diagnostics.type_assertion_expressions_can_only_be_used_in_a_ts_file));
+                        case 203:
+                            diagnostics.push(createDiagnosticForNode(node, ts.Diagnostics.non_null_assertions_can_only_be_used_in_a_ts_file));
+                            return;
+                        case 202:
+                            diagnostics.push(createDiagnosticForNode(node.type, ts.Diagnostics.type_assertion_expressions_can_only_be_used_in_a_ts_file));
                             return;
+                        case 184:
+                            ts.Debug.fail();
                     }
                     var prevParent = parent;
                     parent = node;
@@ -58727,7 +59474,6 @@ var ts;
                         case 186:
                         case 228:
                         case 187:
-                        case 228:
                             if (nodes === parent.typeParameters) {
                                 diagnostics.push(createDiagnosticForNodeArray(nodes, ts.Diagnostics.type_parameter_declarations_can_only_be_used_in_a_ts_file));
                                 return;
@@ -58815,10 +59561,10 @@ var ts;
             if (cachedResult) {
                 return cachedResult;
             }
-            var result = getDiagnostics(sourceFile, cancellationToken) || emptyArray;
+            var result = getDiagnostics(sourceFile, cancellationToken) || ts.emptyArray;
             if (sourceFile) {
                 if (!cache.perFile) {
-                    cache.perFile = ts.createFileMap();
+                    cache.perFile = ts.createMap();
                 }
                 cache.perFile.set(sourceFile.path, result);
             }
@@ -58831,13 +59577,13 @@ var ts;
             return sourceFile.isDeclarationFile ? [] : getDeclarationDiagnosticsWorker(sourceFile, cancellationToken);
         }
         function getOptionsDiagnostics() {
-            return ts.sortAndDeduplicateDiagnostics(ts.concatenate(fileProcessingDiagnostics.getGlobalDiagnostics(), programDiagnostics.getGlobalDiagnostics()));
+            return ts.sortAndDeduplicateDiagnostics(ts.concatenate(fileProcessingDiagnostics.getGlobalDiagnostics(), ts.concatenate(programDiagnostics.getGlobalDiagnostics(), options.configFile ? programDiagnostics.getDiagnostics(options.configFile.fileName) : [])));
         }
         function getGlobalDiagnostics() {
             return ts.sortAndDeduplicateDiagnostics(getDiagnosticsProducingTypeChecker().getGlobalDiagnostics().slice());
         }
         function processRootFile(fileName, isDefaultLib) {
-            processSourceFile(ts.normalizePath(fileName), isDefaultLib);
+            processSourceFile(ts.normalizePath(fileName), isDefaultLib, undefined);
         }
         function fileReferenceIsEqualTo(a, b) {
             return a.fileName === b.fileName;
@@ -58873,9 +59619,9 @@ var ts;
                     collectDynamicImportOrRequireCalls(node);
                 }
             }
-            file.imports = imports || emptyArray;
-            file.moduleAugmentations = moduleAugmentations || emptyArray;
-            file.ambientModuleNames = ambientModules || emptyArray;
+            file.imports = imports || ts.emptyArray;
+            file.moduleAugmentations = moduleAugmentations || ts.emptyArray;
+            file.ambientModuleNames = ambientModules || ts.emptyArray;
             return;
             function collectModuleReferences(node, inAmbientModule) {
                 switch (node.kind) {
@@ -58883,7 +59629,7 @@ var ts;
                     case 237:
                     case 244:
                         var moduleNameExpr = ts.getExternalModuleName(node);
-                        if (!moduleNameExpr || moduleNameExpr.kind !== 9) {
+                        if (!moduleNameExpr || !ts.isStringLiteral(moduleNameExpr)) {
                             break;
                         }
                         if (!moduleNameExpr.text) {
@@ -58896,12 +59642,13 @@ var ts;
                     case 233:
                         if (ts.isAmbientModule(node) && (inAmbientModule || ts.hasModifier(node, 2) || file.isDeclarationFile)) {
                             var moduleName = node.name;
-                            if (isExternalModuleFile || (inAmbientModule && !ts.isExternalModuleNameRelative(moduleName.text))) {
+                            var nameText = ts.getTextOfIdentifierOrLiteral(moduleName);
+                            if (isExternalModuleFile || (inAmbientModule && !ts.isExternalModuleNameRelative(nameText))) {
                                 (moduleAugmentations || (moduleAugmentations = [])).push(moduleName);
                             }
                             else if (!inAmbientModule) {
                                 if (file.isDeclarationFile) {
-                                    (ambientModules || (ambientModules = [])).push(moduleName.text);
+                                    (ambientModules || (ambientModules = [])).push(nameText);
                                 }
                                 var body = node.body;
                                 if (body) {
@@ -58927,7 +59674,7 @@ var ts;
             }
         }
         function getSourceFileFromReference(referencingFile, ref) {
-            return getSourceFileFromReferenceWorker(resolveTripleslashReference(ref.fileName, referencingFile.fileName), function (fileName) { return filesByName.get(ts.toPath(fileName, currentDirectory, getCanonicalFileName)); });
+            return getSourceFileFromReferenceWorker(resolveTripleslashReference(ref.fileName, referencingFile.fileName), function (fileName) { return filesByName.get(toPath(fileName)); });
         }
         function getSourceFileFromReferenceWorker(fileName, getSourceFile, fail, refFile) {
             if (ts.hasExtension(fileName)) {
@@ -58961,8 +59708,8 @@ var ts;
                 return sourceFileWithAddedExtension;
             }
         }
-        function processSourceFile(fileName, isDefaultLib, refFile, refPos, refEnd) {
-            getSourceFileFromReferenceWorker(fileName, function (fileName) { return findSourceFile(fileName, ts.toPath(fileName, currentDirectory, getCanonicalFileName), isDefaultLib, refFile, refPos, refEnd); }, function (diagnostic) {
+        function processSourceFile(fileName, isDefaultLib, packageId, refFile, refPos, refEnd) {
+            getSourceFileFromReferenceWorker(fileName, function (fileName) { return findSourceFile(fileName, toPath(fileName), isDefaultLib, refFile, refPos, refEnd, packageId); }, function (diagnostic) {
                 var args = [];
                 for (var _i = 1; _i < arguments.length; _i++) {
                     args[_i - 1] = arguments[_i];
@@ -58979,8 +59726,25 @@ var ts;
                 fileProcessingDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.File_name_0_differs_from_already_included_file_name_1_only_in_casing, fileName, existingFileName));
             }
         }
-        function findSourceFile(fileName, path, isDefaultLib, refFile, refPos, refEnd) {
-            if (filesByName.contains(path)) {
+        function createRedirectSourceFile(redirectTarget, unredirected, fileName, path) {
+            var redirect = Object.create(redirectTarget);
+            redirect.fileName = fileName;
+            redirect.path = path;
+            redirect.redirectInfo = { redirectTarget: redirectTarget, unredirected: unredirected };
+            Object.defineProperties(redirect, {
+                id: {
+                    get: function () { return this.redirectInfo.redirectTarget.id; },
+                    set: function (value) { this.redirectInfo.redirectTarget.id = value; },
+                },
+                symbol: {
+                    get: function () { return this.redirectInfo.redirectTarget.symbol; },
+                    set: function (value) { this.redirectInfo.redirectTarget.symbol = value; },
+                },
+            });
+            return redirect;
+        }
+        function findSourceFile(fileName, path, isDefaultLib, refFile, refPos, refEnd, packageId) {
+            if (filesByName.has(path)) {
                 var file_1 = filesByName.get(path);
                 if (file_1 && options.forceConsistentCasingInFileNames && ts.getNormalizedAbsolutePath(file_1.fileName, currentDirectory) !== ts.getNormalizedAbsolutePath(fileName, currentDirectory)) {
                     reportFileNamesDifferOnlyInCasingError(fileName, file_1.fileName, refFile, refPos, refEnd);
@@ -59010,17 +59774,34 @@ var ts;
                     fileProcessingDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Cannot_read_file_0_Colon_1, fileName, hostErrorMessage));
                 }
             });
+            if (packageId) {
+                var packageIdKey = packageId.name + "/" + packageId.subModuleName + "@" + packageId.version;
+                var fileFromPackageId = packageIdToSourceFile.get(packageIdKey);
+                if (fileFromPackageId) {
+                    var dupFile = createRedirectSourceFile(fileFromPackageId, file, fileName, path);
+                    redirectTargetsSet.set(fileFromPackageId.path, true);
+                    filesByName.set(path, dupFile);
+                    sourceFileToPackageName.set(path, packageId.name);
+                    files.push(dupFile);
+                    return dupFile;
+                }
+                else if (file) {
+                    packageIdToSourceFile.set(packageIdKey, file);
+                    sourceFileToPackageName.set(path, packageId.name);
+                }
+            }
             filesByName.set(path, file);
             if (file) {
                 sourceFilesFoundSearchingNodeModules.set(path, currentNodeModulesDepth > 0);
                 file.path = path;
                 if (host.useCaseSensitiveFileNames()) {
-                    var existingFile = filesByNameIgnoreCase.get(path);
+                    var pathLowerCase = path.toLowerCase();
+                    var existingFile = filesByNameIgnoreCase.get(pathLowerCase);
                     if (existingFile) {
                         reportFileNamesDifferOnlyInCasingError(fileName, existingFile.fileName, refFile, refPos, refEnd);
                     }
                     else {
-                        filesByNameIgnoreCase.set(path, file);
+                        filesByNameIgnoreCase.set(pathLowerCase, file);
                     }
                 }
                 skipDefaultLib = skipDefaultLib || file.hasNoDefaultLib;
@@ -59041,7 +59822,7 @@ var ts;
         function processReferencedFiles(file, isDefaultLib) {
             ts.forEach(file.referencedFiles, function (ref) {
                 var referencedFileName = resolveTripleslashReference(ref.fileName, file.fileName);
-                processSourceFile(referencedFileName, isDefaultLib, file, ref.pos, ref.end);
+                processSourceFile(referencedFileName, isDefaultLib, undefined, file, ref.pos, ref.end);
             });
         }
         function processTypeReferenceDirectives(file) {
@@ -59063,7 +59844,7 @@ var ts;
             var saveResolution = true;
             if (resolvedTypeReferenceDirective) {
                 if (resolvedTypeReferenceDirective.primary) {
-                    processSourceFile(resolvedTypeReferenceDirective.resolvedFileName, false, refFile, refPos, refEnd);
+                    processSourceFile(resolvedTypeReferenceDirective.resolvedFileName, false, resolvedTypeReferenceDirective.packageId, refFile, refPos, refEnd);
                 }
                 else {
                     if (previousResolution) {
@@ -59076,7 +59857,7 @@ var ts;
                         saveResolution = false;
                     }
                     else {
-                        processSourceFile(resolvedTypeReferenceDirective.resolvedFileName, false, refFile, refPos, refEnd);
+                        processSourceFile(resolvedTypeReferenceDirective.resolvedFileName, false, resolvedTypeReferenceDirective.packageId, refFile, refPos, refEnd);
                     }
                 }
             }
@@ -59128,9 +59909,9 @@ var ts;
                         modulesWithElidedImports.set(file.path, true);
                     }
                     else if (shouldAddFile) {
-                        var path = ts.toPath(resolvedFileName, currentDirectory, getCanonicalFileName);
+                        var path = toPath(resolvedFileName);
                         var pos = ts.skipTrivia(file.text, file.imports[i].pos);
-                        findSourceFile(resolvedFileName, path, false, file, pos, file.imports[i].end);
+                        findSourceFile(resolvedFileName, path, false, file, pos, file.imports[i].end, resolution.packageId);
                     }
                     if (isFromNodeModulesSearch) {
                         currentNodeModulesDepth--;
@@ -59171,28 +59952,28 @@ var ts;
         function verifyCompilerOptions() {
             if (options.isolatedModules) {
                 if (options.declaration) {
-                    programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "declaration", "isolatedModules"));
+                    createDiagnosticForOptionName(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "declaration", "isolatedModules");
                 }
                 if (options.noEmitOnError) {
-                    programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "noEmitOnError", "isolatedModules"));
+                    createDiagnosticForOptionName(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "noEmitOnError", "isolatedModules");
                 }
                 if (options.out) {
-                    programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "out", "isolatedModules"));
+                    createDiagnosticForOptionName(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "out", "isolatedModules");
                 }
                 if (options.outFile) {
-                    programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "outFile", "isolatedModules"));
+                    createDiagnosticForOptionName(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "outFile", "isolatedModules");
                 }
             }
             if (options.inlineSourceMap) {
                 if (options.sourceMap) {
-                    programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "sourceMap", "inlineSourceMap"));
+                    createDiagnosticForOptionName(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "sourceMap", "inlineSourceMap");
                 }
                 if (options.mapRoot) {
-                    programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "mapRoot", "inlineSourceMap"));
+                    createDiagnosticForOptionName(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "mapRoot", "inlineSourceMap");
                 }
             }
             if (options.paths && options.baseUrl === undefined) {
-                programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_paths_cannot_be_used_without_specifying_baseUrl_option));
+                createDiagnosticForOptionName(ts.Diagnostics.Option_paths_cannot_be_used_without_specifying_baseUrl_option, "paths");
             }
             if (options.paths) {
                 for (var key in options.paths) {
@@ -59200,64 +59981,65 @@ var ts;
                         continue;
                     }
                     if (!ts.hasZeroOrOneAsteriskCharacter(key)) {
-                        programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Pattern_0_can_have_at_most_one_Asterisk_character, key));
+                        createDiagnosticForOptionPaths(true, key, ts.Diagnostics.Pattern_0_can_have_at_most_one_Asterisk_character, key);
                     }
                     if (ts.isArray(options.paths[key])) {
-                        if (options.paths[key].length === 0) {
-                            programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Substitutions_for_pattern_0_shouldn_t_be_an_empty_array, key));
+                        var len = options.paths[key].length;
+                        if (len === 0) {
+                            createDiagnosticForOptionPaths(false, key, ts.Diagnostics.Substitutions_for_pattern_0_shouldn_t_be_an_empty_array, key);
                         }
-                        for (var _i = 0, _a = options.paths[key]; _i < _a.length; _i++) {
-                            var subst = _a[_i];
+                        for (var i = 0; i < len; i++) {
+                            var subst = options.paths[key][i];
                             var typeOfSubst = typeof subst;
                             if (typeOfSubst === "string") {
                                 if (!ts.hasZeroOrOneAsteriskCharacter(subst)) {
-                                    programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Substitution_0_in_pattern_1_in_can_have_at_most_one_Asterisk_character, subst, key));
+                                    createDiagnosticForOptionPathKeyValue(key, i, ts.Diagnostics.Substitution_0_in_pattern_1_in_can_have_at_most_one_Asterisk_character, subst, key);
                                 }
                             }
                             else {
-                                programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Substitution_0_for_pattern_1_has_incorrect_type_expected_string_got_2, subst, key, typeOfSubst));
+                                createDiagnosticForOptionPathKeyValue(key, i, ts.Diagnostics.Substitution_0_for_pattern_1_has_incorrect_type_expected_string_got_2, subst, key, typeOfSubst);
                             }
                         }
                     }
                     else {
-                        programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Substitutions_for_pattern_0_should_be_an_array, key));
+                        createDiagnosticForOptionPaths(false, key, ts.Diagnostics.Substitutions_for_pattern_0_should_be_an_array, key);
                     }
                 }
             }
             if (!options.sourceMap && !options.inlineSourceMap) {
                 if (options.inlineSources) {
-                    programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_can_only_be_used_when_either_option_inlineSourceMap_or_option_sourceMap_is_provided, "inlineSources"));
+                    createDiagnosticForOptionName(ts.Diagnostics.Option_0_can_only_be_used_when_either_option_inlineSourceMap_or_option_sourceMap_is_provided, "inlineSources");
                 }
                 if (options.sourceRoot) {
-                    programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_can_only_be_used_when_either_option_inlineSourceMap_or_option_sourceMap_is_provided, "sourceRoot"));
+                    createDiagnosticForOptionName(ts.Diagnostics.Option_0_can_only_be_used_when_either_option_inlineSourceMap_or_option_sourceMap_is_provided, "sourceRoot");
                 }
             }
             if (options.out && options.outFile) {
-                programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "out", "outFile"));
+                createDiagnosticForOptionName(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "out", "outFile");
             }
             if (options.mapRoot && !options.sourceMap) {
-                programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_without_specifying_option_1, "mapRoot", "sourceMap"));
+                createDiagnosticForOptionName(ts.Diagnostics.Option_0_cannot_be_specified_without_specifying_option_1, "mapRoot", "sourceMap");
             }
             if (options.declarationDir) {
                 if (!options.declaration) {
-                    programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_without_specifying_option_1, "declarationDir", "declaration"));
+                    createDiagnosticForOptionName(ts.Diagnostics.Option_0_cannot_be_specified_without_specifying_option_1, "declarationDir", "declaration");
                 }
                 if (options.out || options.outFile) {
-                    programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "declarationDir", options.out ? "out" : "outFile"));
+                    createDiagnosticForOptionName(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "declarationDir", options.out ? "out" : "outFile");
                 }
             }
             if (options.lib && options.noLib) {
-                programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "lib", "noLib"));
+                createDiagnosticForOptionName(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "lib", "noLib");
             }
             if (options.noImplicitUseStrict && (options.alwaysStrict === undefined ? options.strict : options.alwaysStrict)) {
-                programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "noImplicitUseStrict", "alwaysStrict"));
+                createDiagnosticForOptionName(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "noImplicitUseStrict", "alwaysStrict");
             }
             var languageVersion = options.target || 0;
             var outFile = options.outFile || options.out;
             var firstNonAmbientExternalModuleSourceFile = ts.forEach(files, function (f) { return ts.isExternalModule(f) && !f.isDeclarationFile ? f : undefined; });
             if (options.isolatedModules) {
                 if (options.module === ts.ModuleKind.None && languageVersion < 2) {
-                    programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_isolatedModules_can_only_be_used_when_either_option_module_is_provided_or_option_target_is_ES2015_or_higher));
+                    createDiagnosticForOptionName(ts.Diagnostics.Option_isolatedModules_can_only_be_used_when_either_option_module_is_provided_or_option_target_is_ES2015_or_higher, "isolatedModules", "target");
                 }
                 var firstNonExternalModuleSourceFile = ts.forEach(files, function (f) { return !ts.isExternalModule(f) && !f.isDeclarationFile ? f : undefined; });
                 if (firstNonExternalModuleSourceFile) {
@@ -59271,7 +60053,7 @@ var ts;
             }
             if (outFile) {
                 if (options.module && !(options.module === ts.ModuleKind.AMD || options.module === ts.ModuleKind.System)) {
-                    programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Only_amd_and_system_modules_are_supported_alongside_0, options.out ? "out" : "outFile"));
+                    createDiagnosticForOptionName(ts.Diagnostics.Only_amd_and_system_modules_are_supported_alongside_0, options.out ? "out" : "outFile", "module");
                 }
                 else if (options.module === undefined && firstNonAmbientExternalModuleSourceFile) {
                     var span_9 = ts.getErrorSpanForNode(firstNonAmbientExternalModuleSourceFile, firstNonAmbientExternalModuleSourceFile.externalModuleIndicator);
@@ -59283,33 +60065,33 @@ var ts;
                 options.mapRoot) {
                 var dir = getCommonSourceDirectory();
                 if (options.outDir && dir === "" && ts.forEach(files, function (file) { return ts.getRootLength(file.fileName) > 1; })) {
-                    programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Cannot_find_the_common_subdirectory_path_for_the_input_files));
+                    createDiagnosticForOptionName(ts.Diagnostics.Cannot_find_the_common_subdirectory_path_for_the_input_files, "outDir");
                 }
             }
             if (!options.noEmit && options.allowJs && options.declaration) {
-                programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "allowJs", "declaration"));
+                createDiagnosticForOptionName(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "allowJs", "declaration");
             }
             if (options.checkJs && !options.allowJs) {
                 programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_without_specifying_option_1, "checkJs", "allowJs"));
             }
             if (options.emitDecoratorMetadata &&
                 !options.experimentalDecorators) {
-                programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_without_specifying_option_1, "emitDecoratorMetadata", "experimentalDecorators"));
+                createDiagnosticForOptionName(ts.Diagnostics.Option_0_cannot_be_specified_without_specifying_option_1, "emitDecoratorMetadata", "experimentalDecorators");
             }
             if (options.jsxFactory) {
                 if (options.reactNamespace) {
-                    programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "reactNamespace", "jsxFactory"));
+                    createDiagnosticForOptionName(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "reactNamespace", "jsxFactory");
                 }
                 if (!ts.parseIsolatedEntityName(options.jsxFactory, languageVersion)) {
-                    programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Invalid_value_for_jsxFactory_0_is_not_a_valid_identifier_or_qualified_name, options.jsxFactory));
+                    createOptionValueDiagnostic("jsxFactory", ts.Diagnostics.Invalid_value_for_jsxFactory_0_is_not_a_valid_identifier_or_qualified_name, options.jsxFactory);
                 }
             }
             else if (options.reactNamespace && !ts.isIdentifierText(options.reactNamespace, languageVersion)) {
-                programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Invalid_value_for_reactNamespace_0_is_not_a_valid_identifier, options.reactNamespace));
+                createOptionValueDiagnostic("reactNamespace", ts.Diagnostics.Invalid_value_for_reactNamespace_0_is_not_a_valid_identifier, options.reactNamespace);
             }
             if (!options.noEmit && !options.suppressOutputPathCheck) {
                 var emitHost = getEmitHost();
-                var emitFilesSeen_1 = ts.createFileMap(!host.useCaseSensitiveFileNames() ? function (key) { return key.toLocaleLowerCase(); } : undefined);
+                var emitFilesSeen_1 = ts.createMap();
                 ts.forEachEmittedFile(emitHost, function (emitFileNames) {
                     verifyEmitFilePath(emitFileNames.jsFilePath, emitFilesSeen_1);
                     verifyEmitFilePath(emitFileNames.declarationFilePath, emitFilesSeen_1);
@@ -59317,8 +60099,8 @@ var ts;
             }
             function verifyEmitFilePath(emitFileName, emitFilesSeen) {
                 if (emitFileName) {
-                    var emitFilePath = ts.toPath(emitFileName, currentDirectory, getCanonicalFileName);
-                    if (filesByName.contains(emitFilePath)) {
+                    var emitFilePath = toPath(emitFileName);
+                    if (filesByName.has(emitFilePath)) {
                         var chain_1;
                         if (!options.configFilePath) {
                             chain_1 = ts.chainDiagnosticMessages(undefined, ts.Diagnostics.Adding_a_tsconfig_json_file_will_help_organize_projects_that_contain_both_TypeScript_and_JavaScript_files_Learn_more_at_https_Colon_Slash_Slashaka_ms_Slashtsconfig);
@@ -59326,17 +60108,96 @@ var ts;
                         chain_1 = ts.chainDiagnosticMessages(chain_1, ts.Diagnostics.Cannot_write_file_0_because_it_would_overwrite_input_file, emitFileName);
                         blockEmittingOfFile(emitFileName, ts.createCompilerDiagnosticFromMessageChain(chain_1));
                     }
-                    if (emitFilesSeen.contains(emitFilePath)) {
+                    var emitFileKey = !host.useCaseSensitiveFileNames() ? emitFilePath.toLocaleLowerCase() : emitFilePath;
+                    if (emitFilesSeen.has(emitFileKey)) {
                         blockEmittingOfFile(emitFileName, ts.createCompilerDiagnostic(ts.Diagnostics.Cannot_write_file_0_because_it_would_be_overwritten_by_multiple_input_files, emitFileName));
                     }
                     else {
-                        emitFilesSeen.set(emitFilePath, true);
+                        emitFilesSeen.set(emitFileKey, true);
                     }
                 }
             }
         }
+        function createDiagnosticForOptionPathKeyValue(key, valueIndex, message, arg0, arg1, arg2) {
+            var needCompilerDiagnostic = true;
+            var pathsSyntax = getOptionPathsSyntax();
+            for (var _i = 0, pathsSyntax_1 = pathsSyntax; _i < pathsSyntax_1.length; _i++) {
+                var pathProp = pathsSyntax_1[_i];
+                if (ts.isObjectLiteralExpression(pathProp.initializer)) {
+                    for (var _a = 0, _b = ts.getPropertyAssignment(pathProp.initializer, key); _a < _b.length; _a++) {
+                        var keyProps = _b[_a];
+                        if (ts.isArrayLiteralExpression(keyProps.initializer) &&
+                            keyProps.initializer.elements.length > valueIndex) {
+                            programDiagnostics.add(ts.createDiagnosticForNodeInSourceFile(options.configFile, keyProps.initializer.elements[valueIndex], message, arg0, arg1, arg2));
+                            needCompilerDiagnostic = false;
+                        }
+                    }
+                }
+            }
+            if (needCompilerDiagnostic) {
+                programDiagnostics.add(ts.createCompilerDiagnostic(message, arg0, arg1, arg2));
+            }
+        }
+        function createDiagnosticForOptionPaths(onKey, key, message, arg0) {
+            var needCompilerDiagnostic = true;
+            var pathsSyntax = getOptionPathsSyntax();
+            for (var _i = 0, pathsSyntax_2 = pathsSyntax; _i < pathsSyntax_2.length; _i++) {
+                var pathProp = pathsSyntax_2[_i];
+                if (ts.isObjectLiteralExpression(pathProp.initializer) &&
+                    createOptionDiagnosticInObjectLiteralSyntax(pathProp.initializer, onKey, key, undefined, message, arg0)) {
+                    needCompilerDiagnostic = false;
+                }
+            }
+            if (needCompilerDiagnostic) {
+                programDiagnostics.add(ts.createCompilerDiagnostic(message, arg0));
+            }
+        }
+        function getOptionPathsSyntax() {
+            var compilerOptionsObjectLiteralSyntax = getCompilerOptionsObjectLiteralSyntax();
+            if (compilerOptionsObjectLiteralSyntax) {
+                return ts.getPropertyAssignment(compilerOptionsObjectLiteralSyntax, "paths");
+            }
+            return ts.emptyArray;
+        }
+        function createDiagnosticForOptionName(message, option1, option2) {
+            createDiagnosticForOption(true, option1, option2, message, option1, option2);
+        }
+        function createOptionValueDiagnostic(option1, message, arg0) {
+            createDiagnosticForOption(false, option1, undefined, message, arg0);
+        }
+        function createDiagnosticForOption(onKey, option1, option2, message, arg0, arg1) {
+            var compilerOptionsObjectLiteralSyntax = getCompilerOptionsObjectLiteralSyntax();
+            var needCompilerDiagnostic = !compilerOptionsObjectLiteralSyntax ||
+                !createOptionDiagnosticInObjectLiteralSyntax(compilerOptionsObjectLiteralSyntax, onKey, option1, option2, message, arg0, arg1);
+            if (needCompilerDiagnostic) {
+                programDiagnostics.add(ts.createCompilerDiagnostic(message, arg0, arg1));
+            }
+        }
+        function getCompilerOptionsObjectLiteralSyntax() {
+            if (_compilerOptionsObjectLiteralSyntax === undefined) {
+                _compilerOptionsObjectLiteralSyntax = null;
+                if (options.configFile && options.configFile.jsonObject) {
+                    for (var _i = 0, _a = ts.getPropertyAssignment(options.configFile.jsonObject, "compilerOptions"); _i < _a.length; _i++) {
+                        var prop = _a[_i];
+                        if (ts.isObjectLiteralExpression(prop.initializer)) {
+                            _compilerOptionsObjectLiteralSyntax = prop.initializer;
+                            break;
+                        }
+                    }
+                }
+            }
+            return _compilerOptionsObjectLiteralSyntax;
+        }
+        function createOptionDiagnosticInObjectLiteralSyntax(objectLiteral, onKey, key1, key2, message, arg0, arg1) {
+            var props = ts.getPropertyAssignment(objectLiteral, key1, key2);
+            for (var _i = 0, props_2 = props; _i < props_2.length; _i++) {
+                var prop = props_2[_i];
+                programDiagnostics.add(ts.createDiagnosticForNodeInSourceFile(options.configFile, onKey ? prop.name : prop.initializer, message, arg0, arg1));
+            }
+            return !!props.length;
+        }
         function blockEmittingOfFile(emitFileName, diag) {
-            hasEmitBlockingDiagnostics.set(ts.toPath(emitFileName, currentDirectory, getCanonicalFileName), true);
+            hasEmitBlockingDiagnostics.set(toPath(emitFileName), true);
             programDiagnostics.add(diag);
         }
     }
@@ -59344,14 +60205,14 @@ var ts;
     function getResolutionDiagnostic(options, _a) {
         var extension = _a.extension;
         switch (extension) {
-            case ts.Extension.Ts:
-            case ts.Extension.Dts:
+            case ".ts":
+            case ".d.ts":
                 return undefined;
-            case ts.Extension.Tsx:
+            case ".tsx":
                 return needJsx();
-            case ts.Extension.Jsx:
+            case ".jsx":
                 return needJsx() || needAllowJs();
-            case ts.Extension.Js:
+            case ".js":
                 return needAllowJs();
         }
         function needJsx() {
@@ -59362,6 +60223,10 @@ var ts;
         }
     }
     ts.getResolutionDiagnostic = getResolutionDiagnostic;
+    function checkAllDefined(names) {
+        ts.Debug.assert(names.every(function (name) { return name !== undefined; }), "A name is undefined.", function () { return JSON.stringify(names); });
+        return names;
+    }
 })(ts || (ts = {}));
 var ts;
 (function (ts) {
@@ -59397,10 +60262,10 @@ var ts;
     ts.TextChange = TextChange;
     var HighlightSpanKind;
     (function (HighlightSpanKind) {
-        HighlightSpanKind.none = "none";
-        HighlightSpanKind.definition = "definition";
-        HighlightSpanKind.reference = "reference";
-        HighlightSpanKind.writtenReference = "writtenReference";
+        HighlightSpanKind["none"] = "none";
+        HighlightSpanKind["definition"] = "definition";
+        HighlightSpanKind["reference"] = "reference";
+        HighlightSpanKind["writtenReference"] = "writtenReference";
     })(HighlightSpanKind = ts.HighlightSpanKind || (ts.HighlightSpanKind = {}));
     var IndentStyle;
     (function (IndentStyle) {
@@ -59463,80 +60328,77 @@ var ts;
     })(TokenClass = ts.TokenClass || (ts.TokenClass = {}));
     var ScriptElementKind;
     (function (ScriptElementKind) {
-        ScriptElementKind.unknown = "";
-        ScriptElementKind.warning = "warning";
-        ScriptElementKind.keyword = "keyword";
-        ScriptElementKind.scriptElement = "script";
-        ScriptElementKind.moduleElement = "module";
-        ScriptElementKind.classElement = "class";
-        ScriptElementKind.localClassElement = "local class";
-        ScriptElementKind.interfaceElement = "interface";
-        ScriptElementKind.typeElement = "type";
-        ScriptElementKind.enumElement = "enum";
-        ScriptElementKind.enumMemberElement = "enum member";
-        ScriptElementKind.variableElement = "var";
-        ScriptElementKind.localVariableElement = "local var";
-        ScriptElementKind.functionElement = "function";
-        ScriptElementKind.localFunctionElement = "local function";
-        ScriptElementKind.memberFunctionElement = "method";
-        ScriptElementKind.memberGetAccessorElement = "getter";
-        ScriptElementKind.memberSetAccessorElement = "setter";
-        ScriptElementKind.memberVariableElement = "property";
-        ScriptElementKind.constructorImplementationElement = "constructor";
-        ScriptElementKind.callSignatureElement = "call";
-        ScriptElementKind.indexSignatureElement = "index";
-        ScriptElementKind.constructSignatureElement = "construct";
-        ScriptElementKind.parameterElement = "parameter";
-        ScriptElementKind.typeParameterElement = "type parameter";
-        ScriptElementKind.primitiveType = "primitive type";
-        ScriptElementKind.label = "label";
-        ScriptElementKind.alias = "alias";
-        ScriptElementKind.constElement = "const";
-        ScriptElementKind.letElement = "let";
-        ScriptElementKind.directory = "directory";
-        ScriptElementKind.externalModuleName = "external module name";
-        ScriptElementKind.jsxAttribute = "JSX attribute";
+        ScriptElementKind["unknown"] = "";
+        ScriptElementKind["warning"] = "warning";
+        ScriptElementKind["keyword"] = "keyword";
+        ScriptElementKind["scriptElement"] = "script";
+        ScriptElementKind["moduleElement"] = "module";
+        ScriptElementKind["classElement"] = "class";
+        ScriptElementKind["localClassElement"] = "local class";
+        ScriptElementKind["interfaceElement"] = "interface";
+        ScriptElementKind["typeElement"] = "type";
+        ScriptElementKind["enumElement"] = "enum";
+        ScriptElementKind["enumMemberElement"] = "enum member";
+        ScriptElementKind["variableElement"] = "var";
+        ScriptElementKind["localVariableElement"] = "local var";
+        ScriptElementKind["functionElement"] = "function";
+        ScriptElementKind["localFunctionElement"] = "local function";
+        ScriptElementKind["memberFunctionElement"] = "method";
+        ScriptElementKind["memberGetAccessorElement"] = "getter";
+        ScriptElementKind["memberSetAccessorElement"] = "setter";
+        ScriptElementKind["memberVariableElement"] = "property";
+        ScriptElementKind["constructorImplementationElement"] = "constructor";
+        ScriptElementKind["callSignatureElement"] = "call";
+        ScriptElementKind["indexSignatureElement"] = "index";
+        ScriptElementKind["constructSignatureElement"] = "construct";
+        ScriptElementKind["parameterElement"] = "parameter";
+        ScriptElementKind["typeParameterElement"] = "type parameter";
+        ScriptElementKind["primitiveType"] = "primitive type";
+        ScriptElementKind["label"] = "label";
+        ScriptElementKind["alias"] = "alias";
+        ScriptElementKind["constElement"] = "const";
+        ScriptElementKind["letElement"] = "let";
+        ScriptElementKind["directory"] = "directory";
+        ScriptElementKind["externalModuleName"] = "external module name";
+        ScriptElementKind["jsxAttribute"] = "JSX attribute";
     })(ScriptElementKind = ts.ScriptElementKind || (ts.ScriptElementKind = {}));
     var ScriptElementKindModifier;
     (function (ScriptElementKindModifier) {
-        ScriptElementKindModifier.none = "";
-        ScriptElementKindModifier.publicMemberModifier = "public";
-        ScriptElementKindModifier.privateMemberModifier = "private";
-        ScriptElementKindModifier.protectedMemberModifier = "protected";
-        ScriptElementKindModifier.exportedModifier = "export";
-        ScriptElementKindModifier.ambientModifier = "declare";
-        ScriptElementKindModifier.staticModifier = "static";
-        ScriptElementKindModifier.abstractModifier = "abstract";
+        ScriptElementKindModifier["none"] = "";
+        ScriptElementKindModifier["publicMemberModifier"] = "public";
+        ScriptElementKindModifier["privateMemberModifier"] = "private";
+        ScriptElementKindModifier["protectedMemberModifier"] = "protected";
+        ScriptElementKindModifier["exportedModifier"] = "export";
+        ScriptElementKindModifier["ambientModifier"] = "declare";
+        ScriptElementKindModifier["staticModifier"] = "static";
+        ScriptElementKindModifier["abstractModifier"] = "abstract";
     })(ScriptElementKindModifier = ts.ScriptElementKindModifier || (ts.ScriptElementKindModifier = {}));
-    var ClassificationTypeNames = (function () {
-        function ClassificationTypeNames() {
-        }
-        ClassificationTypeNames.comment = "comment";
-        ClassificationTypeNames.identifier = "identifier";
-        ClassificationTypeNames.keyword = "keyword";
-        ClassificationTypeNames.numericLiteral = "number";
-        ClassificationTypeNames.operator = "operator";
-        ClassificationTypeNames.stringLiteral = "string";
-        ClassificationTypeNames.whiteSpace = "whitespace";
-        ClassificationTypeNames.text = "text";
-        ClassificationTypeNames.punctuation = "punctuation";
-        ClassificationTypeNames.className = "class name";
-        ClassificationTypeNames.enumName = "enum name";
-        ClassificationTypeNames.interfaceName = "interface name";
-        ClassificationTypeNames.moduleName = "module name";
-        ClassificationTypeNames.typeParameterName = "type parameter name";
-        ClassificationTypeNames.typeAliasName = "type alias name";
-        ClassificationTypeNames.parameterName = "parameter name";
-        ClassificationTypeNames.docCommentTagName = "doc comment tag name";
-        ClassificationTypeNames.jsxOpenTagName = "jsx open tag name";
-        ClassificationTypeNames.jsxCloseTagName = "jsx close tag name";
-        ClassificationTypeNames.jsxSelfClosingTagName = "jsx self closing tag name";
-        ClassificationTypeNames.jsxAttribute = "jsx attribute";
-        ClassificationTypeNames.jsxText = "jsx text";
-        ClassificationTypeNames.jsxAttributeStringLiteralValue = "jsx attribute string literal value";
-        return ClassificationTypeNames;
-    }());
-    ts.ClassificationTypeNames = ClassificationTypeNames;
+    var ClassificationTypeNames;
+    (function (ClassificationTypeNames) {
+        ClassificationTypeNames["comment"] = "comment";
+        ClassificationTypeNames["identifier"] = "identifier";
+        ClassificationTypeNames["keyword"] = "keyword";
+        ClassificationTypeNames["numericLiteral"] = "number";
+        ClassificationTypeNames["operator"] = "operator";
+        ClassificationTypeNames["stringLiteral"] = "string";
+        ClassificationTypeNames["whiteSpace"] = "whitespace";
+        ClassificationTypeNames["text"] = "text";
+        ClassificationTypeNames["punctuation"] = "punctuation";
+        ClassificationTypeNames["className"] = "class name";
+        ClassificationTypeNames["enumName"] = "enum name";
+        ClassificationTypeNames["interfaceName"] = "interface name";
+        ClassificationTypeNames["moduleName"] = "module name";
+        ClassificationTypeNames["typeParameterName"] = "type parameter name";
+        ClassificationTypeNames["typeAliasName"] = "type alias name";
+        ClassificationTypeNames["parameterName"] = "parameter name";
+        ClassificationTypeNames["docCommentTagName"] = "doc comment tag name";
+        ClassificationTypeNames["jsxOpenTagName"] = "jsx open tag name";
+        ClassificationTypeNames["jsxCloseTagName"] = "jsx close tag name";
+        ClassificationTypeNames["jsxSelfClosingTagName"] = "jsx self closing tag name";
+        ClassificationTypeNames["jsxAttribute"] = "jsx attribute";
+        ClassificationTypeNames["jsxText"] = "jsx text";
+        ClassificationTypeNames["jsxAttributeStringLiteralValue"] = "jsx attribute string literal value";
+    })(ClassificationTypeNames = ts.ClassificationTypeNames || (ts.ClassificationTypeNames = {}));
     var ClassificationType;
     (function (ClassificationType) {
         ClassificationType[ClassificationType["comment"] = 1] = "comment";
@@ -59568,7 +60430,6 @@ var ts;
 var ts;
 (function (ts) {
     ts.scanner = ts.createScanner(5, true);
-    ts.emptyArray = [];
     var SemanticMeaning;
     (function (SemanticMeaning) {
         SemanticMeaning[SemanticMeaning["None"] = 0] = "None";
@@ -59602,7 +60463,7 @@ var ts;
             case 231:
             case 163:
                 return 2;
-            case 291:
+            case 283:
                 return node.name === undefined ? 1 | 2 : 2;
             case 264:
             case 229:
@@ -59717,7 +60578,6 @@ var ts;
         }
         switch (node.parent.kind) {
             case 159:
-            case 277:
                 return true;
             case 201:
                 return !ts.isExpressionWithTypeArgumentsInClassExtendsClause(node.parent);
@@ -59742,7 +60602,7 @@ var ts;
     ts.climbPastPropertyAccess = climbPastPropertyAccess;
     function getTargetLabel(referenceNode, labelName) {
         while (referenceNode) {
-            if (referenceNode.kind === 222 && referenceNode.label.text === labelName) {
+            if (referenceNode.kind === 222 && referenceNode.label.escapedText === labelName) {
                 return referenceNode.label;
             }
             referenceNode = referenceNode.parent;
@@ -59810,6 +60670,9 @@ var ts;
     }
     ts.isExpressionOfExternalModuleImportEqualsDeclaration = isExpressionOfExternalModuleImportEqualsDeclaration;
     function getContainerNode(node) {
+        if (node.kind === 283) {
+            node = node.parent.parent;
+        }
         while (true) {
             node = node.parent;
             if (!node) {
@@ -59835,15 +60698,15 @@ var ts;
     function getNodeKind(node) {
         switch (node.kind) {
             case 265:
-                return ts.isExternalModule(node) ? ts.ScriptElementKind.moduleElement : ts.ScriptElementKind.scriptElement;
+                return ts.isExternalModule(node) ? "module" : "script";
             case 233:
-                return ts.ScriptElementKind.moduleElement;
+                return "module";
             case 229:
             case 199:
-                return ts.ScriptElementKind.classElement;
-            case 230: return ts.ScriptElementKind.interfaceElement;
-            case 231: return ts.ScriptElementKind.typeElement;
-            case 232: return ts.ScriptElementKind.enumElement;
+                return "class";
+            case 230: return "interface";
+            case 231: return "type";
+            case 232: return "enum";
             case 226:
                 return getKindOfVariableDeclaration(node);
             case 176:
@@ -59851,39 +60714,39 @@ var ts;
             case 187:
             case 228:
             case 186:
-                return ts.ScriptElementKind.functionElement;
-            case 153: return ts.ScriptElementKind.memberGetAccessorElement;
-            case 154: return ts.ScriptElementKind.memberSetAccessorElement;
+                return "function";
+            case 153: return "getter";
+            case 154: return "setter";
             case 151:
             case 150:
-                return ts.ScriptElementKind.memberFunctionElement;
+                return "method";
             case 149:
             case 148:
-                return ts.ScriptElementKind.memberVariableElement;
-            case 157: return ts.ScriptElementKind.indexSignatureElement;
-            case 156: return ts.ScriptElementKind.constructSignatureElement;
-            case 155: return ts.ScriptElementKind.callSignatureElement;
-            case 152: return ts.ScriptElementKind.constructorImplementationElement;
-            case 145: return ts.ScriptElementKind.typeParameterElement;
-            case 264: return ts.ScriptElementKind.enumMemberElement;
-            case 146: return ts.hasModifier(node, 92) ? ts.ScriptElementKind.memberVariableElement : ts.ScriptElementKind.parameterElement;
+                return "property";
+            case 157: return "index";
+            case 156: return "construct";
+            case 155: return "call";
+            case 152: return "constructor";
+            case 145: return "type parameter";
+            case 264: return "enum member";
+            case 146: return ts.hasModifier(node, 92) ? "property" : "parameter";
             case 237:
             case 242:
             case 239:
             case 246:
             case 240:
-                return ts.ScriptElementKind.alias;
-            case 291:
-                return ts.ScriptElementKind.typeElement;
+                return "alias";
+            case 283:
+                return "type";
             default:
-                return ts.ScriptElementKind.unknown;
+                return "";
         }
         function getKindOfVariableDeclaration(v) {
             return ts.isConst(v)
-                ? ts.ScriptElementKind.constElement
+                ? "const"
                 : ts.isLet(v)
-                    ? ts.ScriptElementKind.letElement
-                    : ts.ScriptElementKind.variableElement;
+                    ? "let"
+                    : "var";
         }
     }
     ts.getNodeKind = getNodeKind;
@@ -60079,7 +60942,7 @@ var ts;
     ts.findChildOfKind = findChildOfKind;
     function findContainingList(node) {
         var syntaxList = ts.forEach(node.parent.getChildren(), function (c) {
-            if (c.kind === 295 && c.pos <= node.pos && c.end >= node.end) {
+            if (ts.isSyntaxList(c) && c.pos <= node.pos && c.end >= node.end) {
                 return c;
             }
         });
@@ -60116,7 +60979,7 @@ var ts;
                 }
                 var start = allowPositionInLeadingTrivia ? child.getFullStart() : child.getStart(sourceFile, includeJsDocComment);
                 if (start > position) {
-                    continue;
+                    break;
                 }
                 var end = child.getEnd();
                 if (position < end || (position === end && (child.kind === 1 || includeEndPosition))) {
@@ -60207,7 +61070,7 @@ var ts;
     ts.findPrecedingToken = findPrecedingToken;
     function isInString(sourceFile, position) {
         var previousToken = findPrecedingToken(position, sourceFile);
-        if (previousToken && previousToken.kind === 9) {
+        if (previousToken && ts.isStringTextContainingNode(previousToken)) {
             var start = previousToken.getStart();
             var end = previousToken.getEnd();
             if (start < position && position < end) {
@@ -60288,20 +61151,20 @@ var ts;
         var flags = ts.getCombinedModifierFlags(node);
         var result = [];
         if (flags & 8)
-            result.push(ts.ScriptElementKindModifier.privateMemberModifier);
+            result.push("private");
         if (flags & 16)
-            result.push(ts.ScriptElementKindModifier.protectedMemberModifier);
+            result.push("protected");
         if (flags & 4)
-            result.push(ts.ScriptElementKindModifier.publicMemberModifier);
+            result.push("public");
         if (flags & 32)
-            result.push(ts.ScriptElementKindModifier.staticModifier);
+            result.push("static");
         if (flags & 128)
-            result.push(ts.ScriptElementKindModifier.abstractModifier);
+            result.push("abstract");
         if (flags & 1)
-            result.push(ts.ScriptElementKindModifier.exportedModifier);
+            result.push("export");
         if (ts.isInAmbientContext(node))
-            result.push(ts.ScriptElementKindModifier.ambientModifier);
-        return result.length > 0 ? result.join(",") : ts.ScriptElementKindModifier.none;
+            result.push("declare");
+        return result.length > 0 ? result.join(",") : "";
     }
     ts.getNodeModifiers = getNodeModifiers;
     function getTypeArgumentOrTypeParameterList(node) {
@@ -60353,6 +61216,12 @@ var ts;
         return false;
     }
     ts.isAccessibilityModifier = isAccessibilityModifier;
+    function cloneCompilerOptions(options) {
+        var result = ts.clone(options);
+        ts.setConfigFileInOptions(result, options && options.configFile);
+        return result;
+    }
+    ts.cloneCompilerOptions = cloneCompilerOptions;
     function compareDataObjects(dst, src) {
         if (!dst || !src || Object.keys(dst).length !== Object.keys(src).length) {
             return false;
@@ -60547,7 +61416,7 @@ var ts;
             else if (flags & 524288) {
                 return ts.SymbolDisplayPartKind.aliasName;
             }
-            else if (flags & 8388608) {
+            else if (flags & 2097152) {
                 return ts.SymbolDisplayPartKind.aliasName;
             }
             return ts.SymbolDisplayPartKind.text;
@@ -60555,10 +61424,7 @@ var ts;
     }
     ts.symbolPart = symbolPart;
     function displayPart(text, kind) {
-        return {
-            text: text,
-            kind: ts.SymbolDisplayPartKind[kind]
-        };
+        return { text: text, kind: ts.SymbolDisplayPartKind[kind] };
     }
     ts.displayPart = displayPart;
     function spacePart() {
@@ -60598,10 +61464,13 @@ var ts;
     }
     ts.lineBreakPart = lineBreakPart;
     function mapToDisplayParts(writeDisplayParts) {
-        writeDisplayParts(displayPartWriter);
-        var result = displayPartWriter.displayParts();
-        displayPartWriter.clear();
-        return result;
+        try {
+            writeDisplayParts(displayPartWriter);
+            return displayPartWriter.displayParts();
+        }
+        finally {
+            displayPartWriter.clear();
+        }
     }
     ts.mapToDisplayParts = mapToDisplayParts;
     function typeToDisplayParts(typechecker, type, enclosingDeclaration, flags) {
@@ -60617,6 +61486,7 @@ var ts;
     }
     ts.symbolToDisplayParts = symbolToDisplayParts;
     function signatureToDisplayParts(typechecker, signature, enclosingDeclaration, flags) {
+        flags |= 65536;
         return mapToDisplayParts(function (writer) {
             typechecker.getSymbolDisplayBuilder().buildSignatureDisplay(signature, writer, enclosingDeclaration, flags);
         });
@@ -60624,7 +61494,7 @@ var ts;
     ts.signatureToDisplayParts = signatureToDisplayParts;
     function getDeclaredName(typeChecker, symbol, location) {
         if (isImportOrExportSpecifierName(location) || ts.isStringOrNumericLiteral(location) && location.parent.kind === 144) {
-            return location.text;
+            return ts.getTextOfIdentifierOrLiteral(location);
         }
         var localExportDefaultSymbol = ts.getLocalSymbolForExportDefault(symbol);
         return typeChecker.symbolToString(localExportDefaultSymbol || symbol);
@@ -60656,38 +61526,9 @@ var ts;
     }
     ts.scriptKindIs = scriptKindIs;
     function getScriptKind(fileName, host) {
-        var scriptKind;
-        if (host && host.getScriptKind) {
-            scriptKind = host.getScriptKind(fileName);
-        }
-        if (!scriptKind) {
-            scriptKind = ts.getScriptKindFromFileName(fileName);
-        }
-        return ts.ensureScriptKind(fileName, scriptKind);
+        return ts.ensureScriptKind(fileName, host && host.getScriptKind && host.getScriptKind(fileName));
     }
     ts.getScriptKind = getScriptKind;
-    function sanitizeConfigFile(configFileName, content) {
-        var options = {
-            fileName: "config.js",
-            compilerOptions: {
-                target: 2,
-                removeComments: true
-            },
-            reportDiagnostics: true
-        };
-        var _a = ts.transpileModule("(" + content + ")", options), outputText = _a.outputText, diagnostics = _a.diagnostics;
-        var trimmedOutput = outputText.trim();
-        for (var _i = 0, diagnostics_3 = diagnostics; _i < diagnostics_3.length; _i++) {
-            var diagnostic = diagnostics_3[_i];
-            diagnostic.start = diagnostic.start - 1;
-        }
-        var _b = ts.parseConfigFileTextToJson(configFileName, trimmedOutput.substring(1, trimmedOutput.length - 2), false), config = _b.config, error = _b.error;
-        return {
-            configJsonObject: config || {},
-            diagnostics: error ? ts.concatenate(diagnostics, [error]) : diagnostics
-        };
-    }
-    ts.sanitizeConfigFile = sanitizeConfigFile;
     function getFirstNonSpaceCharacterPosition(text, position) {
         while (ts.isWhiteSpaceLike(text.charCodeAt(position))) {
             position += 1;
@@ -61225,7 +62066,7 @@ var ts;
             var lastEnd = 0;
             for (var i = 0; i < dense.length; i += 3) {
                 var start = dense[i];
-                var length_6 = dense[i + 1];
+                var length_7 = dense[i + 1];
                 var type = dense[i + 2];
                 if (lastEnd >= 0) {
                     var whitespaceLength_1 = start - lastEnd;
@@ -61233,8 +62074,8 @@ var ts;
                         entries.push({ length: whitespaceLength_1, classification: ts.TokenClass.Whitespace });
                     }
                 }
-                entries.push({ length: length_6, classification: convertClassification(type) });
-                lastEnd = start + length_6;
+                entries.push({ length: length_7, classification: convertClassification(type) });
+                lastEnd = start + length_7;
             }
             var whitespaceLength = text.length - lastEnd;
             if (whitespaceLength > 0) {
@@ -61351,11 +62192,11 @@ var ts;
                                     templateStack.pop();
                                 }
                                 else {
-                                    ts.Debug.assert(token === 15, "Should have been a template middle. Was " + token);
+                                    ts.Debug.assertEqual(token, 15, "Should have been a template middle.");
                                 }
                             }
                             else {
-                                ts.Debug.assert(lastTemplateStackToken === 17, "Should have been an open brace. Was: " + token);
+                                ts.Debug.assertEqual(lastTemplateStackToken, 17, "Should have been an open brace");
                                 templateStack.pop();
                             }
                         }
@@ -61588,7 +62429,7 @@ var ts;
                 checkForClassificationCancellation(cancellationToken, kind);
                 if (kind === 71 && !ts.nodeIsMissing(node)) {
                     var identifier = node;
-                    if (classifiableNames.get(identifier.text)) {
+                    if (classifiableNames.has(identifier.escapedText)) {
                         var symbol = typeChecker.getSymbolAtLocation(node);
                         if (symbol) {
                             var type = classifySymbol(symbol, ts.getMeaningFromLocation(node));
@@ -61605,29 +62446,29 @@ var ts;
     ts.getEncodedSemanticClassifications = getEncodedSemanticClassifications;
     function getClassificationTypeName(type) {
         switch (type) {
-            case 1: return ts.ClassificationTypeNames.comment;
-            case 2: return ts.ClassificationTypeNames.identifier;
-            case 3: return ts.ClassificationTypeNames.keyword;
-            case 4: return ts.ClassificationTypeNames.numericLiteral;
-            case 5: return ts.ClassificationTypeNames.operator;
-            case 6: return ts.ClassificationTypeNames.stringLiteral;
-            case 8: return ts.ClassificationTypeNames.whiteSpace;
-            case 9: return ts.ClassificationTypeNames.text;
-            case 10: return ts.ClassificationTypeNames.punctuation;
-            case 11: return ts.ClassificationTypeNames.className;
-            case 12: return ts.ClassificationTypeNames.enumName;
-            case 13: return ts.ClassificationTypeNames.interfaceName;
-            case 14: return ts.ClassificationTypeNames.moduleName;
-            case 15: return ts.ClassificationTypeNames.typeParameterName;
-            case 16: return ts.ClassificationTypeNames.typeAliasName;
-            case 17: return ts.ClassificationTypeNames.parameterName;
-            case 18: return ts.ClassificationTypeNames.docCommentTagName;
-            case 19: return ts.ClassificationTypeNames.jsxOpenTagName;
-            case 20: return ts.ClassificationTypeNames.jsxCloseTagName;
-            case 21: return ts.ClassificationTypeNames.jsxSelfClosingTagName;
-            case 22: return ts.ClassificationTypeNames.jsxAttribute;
-            case 23: return ts.ClassificationTypeNames.jsxText;
-            case 24: return ts.ClassificationTypeNames.jsxAttributeStringLiteralValue;
+            case 1: return "comment";
+            case 2: return "identifier";
+            case 3: return "keyword";
+            case 4: return "number";
+            case 5: return "operator";
+            case 6: return "string";
+            case 8: return "whitespace";
+            case 9: return "text";
+            case 10: return "punctuation";
+            case 11: return "class name";
+            case 12: return "enum name";
+            case 13: return "interface name";
+            case 14: return "module name";
+            case 15: return "type parameter name";
+            case 16: return "type alias name";
+            case 17: return "parameter name";
+            case 18: return "doc comment tag name";
+            case 19: return "jsx open tag name";
+            case 20: return "jsx close tag name";
+            case 21: return "jsx self closing tag name";
+            case 22: return "jsx attribute";
+            case 23: return "jsx text";
+            case 24: return "jsx attribute string literal value";
         }
     }
     function convertClassifications(classifications) {
@@ -61718,16 +62559,16 @@ var ts;
                     pushClassification(tag.tagName.pos, tag.tagName.end - tag.tagName.pos, 18);
                     pos = tag.tagName.end;
                     switch (tag.kind) {
-                        case 287:
+                        case 279:
                             processJSDocParameterTag(tag);
                             break;
-                        case 290:
+                        case 282:
                             processJSDocTemplateTag(tag);
                             break;
-                        case 289:
+                        case 281:
                             processElement(tag.typeExpression);
                             break;
-                        case 288:
+                        case 280:
                             processElement(tag.typeExpression);
                             break;
                     }
@@ -61739,20 +62580,20 @@ var ts;
             }
             return;
             function processJSDocParameterTag(tag) {
-                if (tag.preParameterName) {
-                    pushCommentRange(pos, tag.preParameterName.pos - pos);
-                    pushClassification(tag.preParameterName.pos, tag.preParameterName.end - tag.preParameterName.pos, 17);
-                    pos = tag.preParameterName.end;
+                if (tag.isNameFirst) {
+                    pushCommentRange(pos, tag.name.pos - pos);
+                    pushClassification(tag.name.pos, tag.name.end - tag.name.pos, 17);
+                    pos = tag.name.end;
                 }
                 if (tag.typeExpression) {
                     pushCommentRange(pos, tag.typeExpression.pos - pos);
                     processElement(tag.typeExpression);
                     pos = tag.typeExpression.end;
                 }
-                if (tag.postParameterName) {
-                    pushCommentRange(pos, tag.postParameterName.pos - pos);
-                    pushClassification(tag.postParameterName.pos, tag.postParameterName.end - tag.postParameterName.pos, 17);
-                    pos = tag.postParameterName.end;
+                if (!tag.isNameFirst) {
+                    pushCommentRange(pos, tag.name.pos - pos);
+                    pushClassification(tag.name.pos, tag.name.end - tag.name.pos, 17);
+                    pos = tag.name.end;
                 }
             }
         }
@@ -61963,14 +62804,9 @@ var ts;
             PathCompletions.getStringLiteralCompletionEntriesFromModuleNames = getStringLiteralCompletionEntriesFromModuleNames;
             function getBaseDirectoriesFromRootDirs(rootDirs, basePath, scriptPath, ignoreCase) {
                 rootDirs = ts.map(rootDirs, function (rootDirectory) { return ts.normalizePath(ts.isRootedDiskPath(rootDirectory) ? rootDirectory : ts.combinePaths(basePath, rootDirectory)); });
-                var relativeDirectory;
-                for (var _i = 0, rootDirs_1 = rootDirs; _i < rootDirs_1.length; _i++) {
-                    var rootDirectory = rootDirs_1[_i];
-                    if (ts.containsPath(rootDirectory, scriptPath, basePath, ignoreCase)) {
-                        relativeDirectory = scriptPath.substr(rootDirectory.length);
-                        break;
-                    }
-                }
+                var relativeDirectory = ts.forEach(rootDirs, function (rootDirectory) {
+                    return ts.containsPath(rootDirectory, scriptPath, basePath, ignoreCase) ? scriptPath.substr(rootDirectory.length) : undefined;
+                });
                 return ts.deduplicate(ts.map(rootDirs, function (rootDirectory) { return ts.combinePaths(rootDirectory, relativeDirectory); }));
             }
             function getCompletionEntriesForDirectoryFragmentWithRootDirs(rootDirs, fragment, scriptPath, extensions, includeExtensions, span, compilerOptions, host, exclude) {
@@ -62014,7 +62850,7 @@ var ts;
                             }
                         }
                         ts.forEachKey(foundFiles, function (foundFile) {
-                            result.push(createCompletionEntryForModule(foundFile, ts.ScriptElementKind.scriptElement, span));
+                            result.push(createCompletionEntryForModule(foundFile, "script", span));
                         });
                     }
                     var directories = tryGetDirectories(host, baseDirectory);
@@ -62022,7 +62858,7 @@ var ts;
                         for (var _a = 0, directories_2 = directories; _a < directories_2.length; _a++) {
                             var directory = directories_2[_a];
                             var directoryName = ts.getBaseFileName(ts.normalizePath(directory));
-                            result.push(createCompletionEntryForModule(directoryName, ts.ScriptElementKind.directory, span));
+                            result.push(createCompletionEntryForModule(directoryName, "directory", span));
                         }
                     }
                 }
@@ -62045,7 +62881,7 @@ var ts;
                                             var pattern = _a[_i];
                                             for (var _b = 0, _c = getModulesForPathsPattern(fragment, baseUrl, pattern, fileExtensions, host); _b < _c.length; _b++) {
                                                 var match = _c[_b];
-                                                result.push(createCompletionEntryForModule(match, ts.ScriptElementKind.externalModuleName, span));
+                                                result.push(createCompletionEntryForModule(match, "external module name", span));
                                             }
                                         }
                                     }
@@ -62053,7 +62889,7 @@ var ts;
                                 else if (ts.startsWith(path, fragment)) {
                                     var entry = paths[path] && paths[path].length === 1 && paths[path][0];
                                     if (entry) {
-                                        result.push(createCompletionEntryForModule(path, ts.ScriptElementKind.externalModuleName, span));
+                                        result.push(createCompletionEntryForModule(path, "external module name", span));
                                     }
                                 }
                             }
@@ -62066,7 +62902,7 @@ var ts;
                 getCompletionEntriesFromTypings(host, compilerOptions, scriptPath, span, result);
                 for (var _d = 0, _e = enumeratePotentialNonRelativeModules(fragment, scriptPath, compilerOptions, typeChecker, host); _d < _e.length; _d++) {
                     var moduleName = _e[_d];
-                    result.push(createCompletionEntryForModule(moduleName, ts.ScriptElementKind.externalModuleName, span));
+                    result.push(createCompletionEntryForModule(moduleName, "external module name", span));
                 }
                 return result;
             }
@@ -62093,8 +62929,8 @@ var ts;
                                     continue;
                                 }
                                 var start = completePrefix.length;
-                                var length_7 = normalizedMatch.length - start - normalizedSuffix.length;
-                                result.push(ts.removeFileExtension(normalizedMatch.substr(start, length_7)));
+                                var length_8 = normalizedMatch.length - start - normalizedSuffix.length;
+                                result.push(ts.removeFileExtension(normalizedMatch.substr(start, length_8)));
                             }
                             return result;
                         }
@@ -62177,7 +63013,7 @@ var ts;
                 if (options.types) {
                     for (var _i = 0, _a = options.types; _i < _a.length; _i++) {
                         var moduleName = _a[_i];
-                        result.push(createCompletionEntryForModule(moduleName, ts.ScriptElementKind.externalModuleName, span));
+                        result.push(createCompletionEntryForModule(moduleName, "external module name", span));
                     }
                 }
                 else if (host.getDirectories) {
@@ -62209,7 +63045,7 @@ var ts;
                         for (var _i = 0, directories_3 = directories; _i < directories_3.length; _i++) {
                             var typeDirectory = directories_3[_i];
                             typeDirectory = ts.normalizePath(typeDirectory);
-                            result.push(createCompletionEntryForModule(ts.getBaseFileName(typeDirectory), ts.ScriptElementKind.externalModuleName, span));
+                            result.push(createCompletionEntryForModule(ts.getBaseFileName(typeDirectory), "external module name", span));
                         }
                     }
                 }
@@ -62280,7 +63116,7 @@ var ts;
                 }
             }
             function createCompletionEntryForModule(name, kind, replacementSpan) {
-                return { name: name, kind: kind, kindModifiers: ts.ScriptElementKindModifier.none, sortText: name, replacementSpan: replacementSpan };
+                return { name: name, kind: kind, kindModifiers: "", sortText: name, replacementSpan: replacementSpan };
             }
             function getDirectoryFragmentTextSpan(text, textStart) {
                 var index = text.lastIndexOf(ts.directorySeparator);
@@ -62337,6 +63173,12 @@ var ts;
 (function (ts) {
     var Completions;
     (function (Completions) {
+        var KeywordCompletionFilters;
+        (function (KeywordCompletionFilters) {
+            KeywordCompletionFilters[KeywordCompletionFilters["None"] = 0] = "None";
+            KeywordCompletionFilters[KeywordCompletionFilters["ClassElementKeywords"] = 1] = "ClassElementKeywords";
+            KeywordCompletionFilters[KeywordCompletionFilters["ConstructorParameterKeywords"] = 2] = "ConstructorParameterKeywords";
+        })(KeywordCompletionFilters || (KeywordCompletionFilters = {}));
         function getCompletionsAtPosition(host, typeChecker, log, compilerOptions, sourceFile, position) {
             if (ts.isInReferenceComment(sourceFile, position)) {
                 return Completions.PathCompletions.getTripleSlashReferenceCompletion(sourceFile, position, compilerOptions, host);
@@ -62348,14 +63190,14 @@ var ts;
             if (!completionData) {
                 return undefined;
             }
-            var symbols = completionData.symbols, isGlobalCompletion = completionData.isGlobalCompletion, isMemberCompletion = completionData.isMemberCompletion, isNewIdentifierLocation = completionData.isNewIdentifierLocation, location = completionData.location, request = completionData.request, hasFilteredClassMemberKeywords = completionData.hasFilteredClassMemberKeywords;
+            var symbols = completionData.symbols, isGlobalCompletion = completionData.isGlobalCompletion, isMemberCompletion = completionData.isMemberCompletion, isNewIdentifierLocation = completionData.isNewIdentifierLocation, location = completionData.location, request = completionData.request, keywordFilters = completionData.keywordFilters;
             if (sourceFile.languageVariant === 1 &&
                 location && location.parent && location.parent.kind === 252) {
                 var tagName = location.parent.parent.openingElement.tagName;
                 return { isGlobalCompletion: false, isMemberCompletion: true, isNewIdentifierLocation: false,
                     entries: [{
                             name: tagName.getFullText(),
-                            kind: ts.ScriptElementKind.classElement,
+                            kind: "class",
                             kindModifiers: undefined,
                             sortText: "0",
                         }] };
@@ -62371,50 +63213,43 @@ var ts;
             var entries = [];
             if (ts.isSourceFileJavaScript(sourceFile)) {
                 var uniqueNames = getCompletionEntriesFromSymbols(symbols, entries, location, true, typeChecker, compilerOptions.target, log);
-                ts.addRange(entries, getJavaScriptCompletionEntries(sourceFile, location.pos, uniqueNames, compilerOptions.target));
+                getJavaScriptCompletionEntries(sourceFile, location.pos, uniqueNames, compilerOptions.target, entries);
             }
             else {
-                if (!symbols || symbols.length === 0) {
-                    if (!hasFilteredClassMemberKeywords) {
-                        return undefined;
-                    }
+                if ((!symbols || symbols.length === 0) && keywordFilters === 0) {
+                    return undefined;
                 }
                 getCompletionEntriesFromSymbols(symbols, entries, location, true, typeChecker, compilerOptions.target, log);
             }
-            if (hasFilteredClassMemberKeywords) {
-                ts.addRange(entries, classMemberKeywordCompletions);
-            }
-            else if (!isMemberCompletion) {
-                ts.addRange(entries, keywordCompletions);
+            if (keywordFilters !== 0 || !isMemberCompletion) {
+                ts.addRange(entries, getKeywordCompletions(keywordFilters));
             }
             return { isGlobalCompletion: isGlobalCompletion, isMemberCompletion: isMemberCompletion, isNewIdentifierLocation: isNewIdentifierLocation, entries: entries };
         }
         Completions.getCompletionsAtPosition = getCompletionsAtPosition;
-        function getJavaScriptCompletionEntries(sourceFile, position, uniqueNames, target) {
-            var entries = [];
-            var nameTable = ts.getNameTable(sourceFile);
-            nameTable.forEach(function (pos, name) {
+        function getJavaScriptCompletionEntries(sourceFile, position, uniqueNames, target, entries) {
+            ts.getNameTable(sourceFile).forEach(function (pos, name) {
                 if (pos === position) {
                     return;
                 }
-                if (!uniqueNames.get(name)) {
-                    uniqueNames.set(name, name);
-                    var displayName = getCompletionEntryDisplayName(ts.unescapeIdentifier(name), target, true);
-                    if (displayName) {
-                        var entry = {
-                            name: displayName,
-                            kind: ts.ScriptElementKind.warning,
-                            kindModifiers: "",
-                            sortText: "1"
-                        };
-                        entries.push(entry);
-                    }
+                var realName = ts.unescapeLeadingUnderscores(name);
+                if (uniqueNames.has(realName)) {
+                    return;
+                }
+                uniqueNames.set(realName, true);
+                var displayName = getCompletionEntryDisplayName(realName, target, true);
+                if (displayName) {
+                    entries.push({
+                        name: displayName,
+                        kind: "warning",
+                        kindModifiers: "",
+                        sortText: "1"
+                    });
                 }
             });
-            return entries;
         }
         function createCompletionEntry(symbol, location, performCharacterChecks, typeChecker, target) {
-            var displayName = getCompletionEntryDisplayNameForSymbol(typeChecker, symbol, target, performCharacterChecks, location);
+            var displayName = getCompletionEntryDisplayNameForSymbol(symbol, target, performCharacterChecks);
             if (!displayName) {
                 return undefined;
             }
@@ -62433,10 +63268,10 @@ var ts;
                     var symbol = symbols_5[_i];
                     var entry = createCompletionEntry(symbol, location, performCharacterChecks, typeChecker, target);
                     if (entry) {
-                        var id = ts.escapeIdentifier(entry.name);
-                        if (!uniqueNames.get(id)) {
+                        var id = entry.name;
+                        if (!uniqueNames.has(id)) {
                             entries.push(entry);
-                            uniqueNames.set(id, id);
+                            uniqueNames.set(id, true);
                         }
                     }
                 }
@@ -62488,9 +63323,9 @@ var ts;
             var candidates = [];
             var entries = [];
             var uniques = ts.createMap();
-            typeChecker.getResolvedSignature(argumentInfo.invocation, candidates);
-            for (var _i = 0, candidates_3 = candidates; _i < candidates_3.length; _i++) {
-                var candidate = candidates_3[_i];
+            typeChecker.getResolvedSignature(argumentInfo.invocation, candidates, argumentInfo.argumentCount);
+            for (var _i = 0, candidates_1 = candidates; _i < candidates_1.length; _i++) {
+                var candidate = candidates_1[_i];
                 addStringLiteralCompletionsFromType(typeChecker.getParameterType(candidate, argumentInfo.argumentIndex), entries, typeChecker, uniques);
             }
             if (entries.length) {
@@ -62539,8 +63374,8 @@ var ts;
                     uniques.set(name, true);
                     result.push({
                         name: name,
-                        kindModifiers: ts.ScriptElementKindModifier.none,
-                        kind: ts.ScriptElementKind.variableElement,
+                        kindModifiers: "",
+                        kind: "var",
                         sortText: "0"
                     });
                 }
@@ -62549,10 +63384,10 @@ var ts;
         function getCompletionEntryDetails(typeChecker, log, compilerOptions, sourceFile, position, entryName) {
             var completionData = getCompletionData(typeChecker, log, sourceFile, position);
             if (completionData) {
-                var symbols = completionData.symbols, location_1 = completionData.location;
-                var symbol = ts.forEach(symbols, function (s) { return getCompletionEntryDisplayNameForSymbol(typeChecker, s, compilerOptions.target, false, location_1) === entryName ? s : undefined; });
+                var symbols = completionData.symbols, location = completionData.location;
+                var symbol = ts.forEach(symbols, function (s) { return getCompletionEntryDisplayNameForSymbol(s, compilerOptions.target, false) === entryName ? s : undefined; });
                 if (symbol) {
-                    var _a = ts.SymbolDisplay.getSymbolDisplayPartsDocumentationAndSymbolKind(typeChecker, symbol, sourceFile, location_1, location_1, 7), displayParts = _a.displayParts, documentation = _a.documentation, symbolKind = _a.symbolKind, tags = _a.tags;
+                    var _a = ts.SymbolDisplay.getSymbolDisplayPartsDocumentationAndSymbolKind(typeChecker, symbol, sourceFile, location, location, 7), displayParts = _a.displayParts, documentation = _a.documentation, symbolKind = _a.symbolKind, tags = _a.tags;
                     return {
                         name: entryName,
                         kindModifiers: ts.SymbolDisplay.getSymbolModifiers(symbol),
@@ -62563,12 +63398,12 @@ var ts;
                     };
                 }
             }
-            var keywordCompletion = ts.forEach(keywordCompletions, function (c) { return c.name === entryName; });
+            var keywordCompletion = ts.forEach(getKeywordCompletions(0), function (c) { return c.name === entryName; });
             if (keywordCompletion) {
                 return {
                     name: entryName,
-                    kind: ts.ScriptElementKind.keyword,
-                    kindModifiers: ts.ScriptElementKindModifier.none,
+                    kind: "keyword",
+                    kindModifiers: "",
                     displayParts: [ts.displayPart(entryName, ts.SymbolDisplayPartKind.keyword)],
                     documentation: undefined,
                     tags: undefined
@@ -62579,11 +63414,7 @@ var ts;
         Completions.getCompletionEntryDetails = getCompletionEntryDetails;
         function getCompletionEntrySymbol(typeChecker, log, compilerOptions, sourceFile, position, entryName) {
             var completionData = getCompletionData(typeChecker, log, sourceFile, position);
-            if (completionData) {
-                var symbols = completionData.symbols, location_2 = completionData.location;
-                return ts.forEach(symbols, function (s) { return getCompletionEntryDisplayNameForSymbol(typeChecker, s, compilerOptions.target, false, location_2) === entryName ? s : undefined; });
-            }
-            return undefined;
+            return completionData && ts.forEach(completionData.symbols, function (s) { return getCompletionEntryDisplayNameForSymbol(s, compilerOptions.target, false) === entryName ? s : undefined; });
         }
         Completions.getCompletionEntrySymbol = getCompletionEntrySymbol;
         function getCompletionData(typeChecker, log, sourceFile, position) {
@@ -62613,11 +63444,11 @@ var ts;
                     if (tag.tagName.pos <= position && position <= tag.tagName.end) {
                         request = { kind: "JsDocTagName" };
                     }
-                    if (isTagWithTypeExpression(tag) && tag.typeExpression) {
+                    if (isTagWithTypeExpression(tag) && tag.typeExpression && tag.typeExpression.kind === 267) {
                         currentToken = ts.getTokenAtPosition(sourceFile, position, true);
                         if (!currentToken ||
                             (!ts.isDeclarationName(currentToken) &&
-                                (currentToken.parent.kind !== 292 ||
+                                (currentToken.parent.kind !== 284 ||
                                     currentToken.parent.name !== currentToken))) {
                             insideJsDocTagTypeExpression = isCurrentlyEditingNode(tag.typeExpression);
                         }
@@ -62627,7 +63458,7 @@ var ts;
                     }
                 }
                 if (request) {
-                    return { symbols: undefined, isGlobalCompletion: false, isMemberCompletion: false, isNewIdentifierLocation: false, location: undefined, isRightOfDot: false, request: request, hasFilteredClassMemberKeywords: false };
+                    return { symbols: undefined, isGlobalCompletion: false, isMemberCompletion: false, isNewIdentifierLocation: false, location: undefined, isRightOfDot: false, request: request, keywordFilters: 0 };
                 }
                 if (!insideJsDocTagTypeExpression) {
                     log("Returning an empty list because completion was inside a regular comment or plain text part of a JsDoc comment.");
@@ -62639,9 +63470,9 @@ var ts;
             log("getCompletionData: Get previous token 1: " + (ts.timestamp() - start));
             var contextToken = previousToken;
             if (contextToken && position <= contextToken.end && ts.isWord(contextToken.kind)) {
-                var start_2 = ts.timestamp();
+                var start_4 = ts.timestamp();
                 contextToken = ts.findPrecedingToken(contextToken.getFullStart(), sourceFile, undefined, insideJsDocTagTypeExpression);
-                log("getCompletionData: Get previous token 2: " + (ts.timestamp() - start_2));
+                log("getCompletionData: Get previous token 2: " + (ts.timestamp() - start_4));
             }
             var node = currentToken;
             var isRightOfDot = false;
@@ -62698,7 +63529,7 @@ var ts;
             var isGlobalCompletion = false;
             var isMemberCompletion;
             var isNewIdentifierLocation;
-            var hasFilteredClassMemberKeywords = false;
+            var keywordFilters = 0;
             var symbols = [];
             if (isRightOfDot) {
                 getTypeScriptMemberSymbols();
@@ -62706,7 +63537,7 @@ var ts;
             else if (isRightOfOpenTag) {
                 var tagSymbols = typeChecker.getJsxIntrinsicTagNames();
                 if (tryGetGlobalSymbols()) {
-                    symbols = tagSymbols.concat(symbols.filter(function (s) { return !!(s.flags & (107455 | 8388608)); }));
+                    symbols = tagSymbols.concat(symbols.filter(function (s) { return !!(s.flags & (107455 | 2097152)); }));
                 }
                 else {
                     symbols = tagSymbols;
@@ -62729,15 +63560,15 @@ var ts;
                 }
             }
             log("getCompletionData: Semantic work: " + (ts.timestamp() - semanticStart));
-            return { symbols: symbols, isGlobalCompletion: isGlobalCompletion, isMemberCompletion: isMemberCompletion, isNewIdentifierLocation: isNewIdentifierLocation, location: location, isRightOfDot: (isRightOfDot || isRightOfOpenTag), request: request, hasFilteredClassMemberKeywords: hasFilteredClassMemberKeywords };
+            return { symbols: symbols, isGlobalCompletion: isGlobalCompletion, isMemberCompletion: isMemberCompletion, isNewIdentifierLocation: isNewIdentifierLocation, location: location, isRightOfDot: (isRightOfDot || isRightOfOpenTag), request: request, keywordFilters: keywordFilters };
             function isTagWithTypeExpression(tag) {
                 switch (tag.kind) {
-                    case 285:
-                    case 287:
-                    case 292:
-                    case 288:
-                    case 289:
-                    case 291:
+                    case 277:
+                    case 279:
+                    case 284:
+                    case 280:
+                    case 281:
+                    case 283:
                         return true;
                 }
             }
@@ -62745,46 +63576,48 @@ var ts;
                 isGlobalCompletion = false;
                 isMemberCompletion = true;
                 isNewIdentifierLocation = false;
-                var isTypeLocation = ts.isPartOfTypeNode(node.parent) || insideJsDocTagTypeExpression;
+                var isTypeLocation = insideJsDocTagTypeExpression || ts.isPartOfTypeNode(node.parent);
                 var isRhsOfImportDeclaration = ts.isInRightSideOfInternalImportEqualsDeclaration(node);
-                if (node.kind === 71 || node.kind === 143 || node.kind === 179) {
+                if (ts.isEntityName(node)) {
                     var symbol = typeChecker.getSymbolAtLocation(node);
-                    if (symbol && symbol.flags & 8388608) {
-                        symbol = typeChecker.getAliasedSymbol(symbol);
-                    }
-                    if (symbol && symbol.flags & 1952) {
-                        var exportedSymbols = typeChecker.getExportsOfModule(symbol);
-                        var isValidValueAccess_1 = function (symbol) { return typeChecker.isValidPropertyAccess((node.parent), symbol.name); };
-                        var isValidTypeAccess_1 = function (symbol) { return symbolCanbeReferencedAtTypeLocation(symbol); };
-                        var isValidAccess_1 = isRhsOfImportDeclaration ?
-                            function (symbol) { return isValidTypeAccess_1(symbol) || isValidValueAccess_1(symbol); } :
-                            isTypeLocation ? isValidTypeAccess_1 : isValidValueAccess_1;
-                        ts.forEach(exportedSymbols, function (symbol) {
-                            if (isValidAccess_1(symbol)) {
-                                symbols.push(symbol);
+                    if (symbol) {
+                        symbol = ts.skipAlias(symbol, typeChecker);
+                        if (symbol.flags & (1536 | 384)) {
+                            var exportedSymbols = typeChecker.getExportsOfModule(symbol);
+                            var isValidValueAccess_1 = function (symbol) { return typeChecker.isValidPropertyAccess((node.parent), symbol.name); };
+                            var isValidTypeAccess_1 = function (symbol) { return symbolCanBeReferencedAtTypeLocation(symbol); };
+                            var isValidAccess = isRhsOfImportDeclaration ?
+                                function (symbol) { return isValidTypeAccess_1(symbol) || isValidValueAccess_1(symbol); } :
+                                isTypeLocation ? isValidTypeAccess_1 : isValidValueAccess_1;
+                            for (var _i = 0, exportedSymbols_1 = exportedSymbols; _i < exportedSymbols_1.length; _i++) {
+                                var symbol_2 = exportedSymbols_1[_i];
+                                if (isValidAccess(symbol_2)) {
+                                    symbols.push(symbol_2);
+                                }
                             }
-                        });
+                            if (!isTypeLocation && symbol.declarations.some(function (d) { return d.kind !== 265 && d.kind !== 233 && d.kind !== 232; })) {
+                                addTypeProperties(typeChecker.getTypeOfSymbolAtLocation(symbol, node));
+                            }
+                            return;
+                        }
                     }
                 }
                 if (!isTypeLocation) {
-                    var type = typeChecker.getTypeAtLocation(node);
-                    addTypeProperties(type);
+                    addTypeProperties(typeChecker.getTypeAtLocation(node));
                 }
             }
             function addTypeProperties(type) {
-                if (type) {
-                    for (var _i = 0, _a = type.getApparentProperties(); _i < _a.length; _i++) {
-                        var symbol = _a[_i];
-                        if (typeChecker.isValidPropertyAccess((node.parent), symbol.name)) {
-                            symbols.push(symbol);
-                        }
+                for (var _i = 0, _a = type.getApparentProperties(); _i < _a.length; _i++) {
+                    var symbol = _a[_i];
+                    if (typeChecker.isValidPropertyAccess((node.parent), symbol.name)) {
+                        symbols.push(symbol);
                     }
-                    if (isJavaScriptFile && type.flags & 65536) {
-                        var unionType = type;
-                        for (var _b = 0, _c = unionType.types; _b < _c.length; _b++) {
-                            var elementType = _c[_b];
-                            addTypeProperties(elementType);
-                        }
+                }
+                if (isJavaScriptFile && type.flags & 65536) {
+                    var unionType = type;
+                    for (var _b = 0, _c = unionType.types; _b < _c.length; _b++) {
+                        var elementType = _c[_b];
+                        addTypeProperties(elementType);
                     }
                 }
             }
@@ -62799,6 +63632,12 @@ var ts;
                 if (namedImportsOrExports = tryGetNamedImportsOrExportsForCompletion(contextToken)) {
                     return tryGetImportOrExportClauseCompletionSymbols(namedImportsOrExports);
                 }
+                if (tryGetConstructorLikeCompletionContainer(contextToken)) {
+                    isMemberCompletion = false;
+                    isNewIdentifierLocation = true;
+                    keywordFilters = 2;
+                    return true;
+                }
                 if (classLikeContainer = tryGetClassLikeCompletionContainer(contextToken)) {
                     getGetClassLikeCompletionSymbols(classLikeContainer);
                     return true;
@@ -62831,7 +63670,7 @@ var ts;
                             scopeNode.kind === 256 ||
                             ts.isStatement(scopeNode);
                 }
-                var symbolMeanings = 793064 | 107455 | 1920 | 8388608;
+                var symbolMeanings = 793064 | 107455 | 1920 | 2097152;
                 symbols = filterGlobalCompletion(typeChecker.getSymbolsInScope(scopeNode, symbolMeanings));
                 return true;
             }
@@ -62841,7 +63680,7 @@ var ts;
                         if (ts.isExportAssignment(location.parent)) {
                             return true;
                         }
-                        if (symbol && symbol.flags & 8388608) {
+                        if (symbol && symbol.flags & 2097152) {
                             symbol = typeChecker.getAliasedSymbol(symbol);
                         }
                         if (ts.isInRightSideOfInternalImportEqualsDeclaration(location)) {
@@ -62850,10 +63689,10 @@ var ts;
                         if (insideJsDocTagTypeExpression ||
                             (!isContextTokenValueLocation(contextToken) &&
                                 (ts.isPartOfTypeNode(location) || isContextTokenTypeLocation(contextToken)))) {
-                            return symbolCanbeReferencedAtTypeLocation(symbol);
+                            return symbolCanBeReferencedAtTypeLocation(symbol);
                         }
                     }
-                    return !!(symbol.flags & 107455);
+                    return !!(ts.getCombinedLocalAndExportSymbolFlags(symbol) & 107455);
                 });
             }
             function isContextTokenValueLocation(contextToken) {
@@ -62878,16 +63717,15 @@ var ts;
                     }
                 }
             }
-            function symbolCanbeReferencedAtTypeLocation(symbol) {
-                if (symbol && symbol.flags & 8388608) {
-                    symbol = typeChecker.getAliasedSymbol(symbol);
-                }
+            function symbolCanBeReferencedAtTypeLocation(symbol) {
+                symbol = symbol.exportSymbol || symbol;
+                symbol = ts.skipAlias(symbol, typeChecker);
                 if (symbol.flags & 793064) {
                     return true;
                 }
-                if (symbol.flags & (512 | 1024)) {
+                if (symbol.flags & 1536) {
                     var exportedSymbols = typeChecker.getExportsOfModule(symbol);
-                    return ts.forEach(exportedSymbols, symbolCanbeReferencedAtTypeLocation);
+                    return ts.forEach(exportedSymbols, symbolCanBeReferencedAtTypeLocation);
                 }
             }
             function getScopeNode(initialToken, position, sourceFile) {
@@ -62973,9 +63811,9 @@ var ts;
                 if (contextToken.kind === 9
                     || contextToken.kind === 12
                     || ts.isTemplateLiteralKind(contextToken.kind)) {
-                    var start_3 = contextToken.getStart();
+                    var start_5 = contextToken.getStart();
                     var end = contextToken.getEnd();
-                    if (start_3 < position && position < end) {
+                    if (start_5 < position && position < end) {
                         return true;
                     }
                     if (position === end) {
@@ -63016,7 +63854,7 @@ var ts;
                         var typeForObject = typeChecker.getTypeAtLocation(objectLikeContainer);
                         if (!typeForObject)
                             return false;
-                        typeMembers = typeChecker.getPropertiesOfType(typeForObject);
+                        typeMembers = typeChecker.getPropertiesOfType(typeForObject).filter(function (symbol) { return !(ts.getDeclarationModifierFlagsFromSymbol(symbol) & 24); });
                         existingMembers = objectLikeContainer.elements;
                     }
                 }
@@ -63048,7 +63886,7 @@ var ts;
             function getGetClassLikeCompletionSymbols(classLikeDeclaration) {
                 isMemberCompletion = true;
                 isNewIdentifierLocation = true;
-                hasFilteredClassMemberKeywords = true;
+                keywordFilters = 1;
                 var baseTypeNode = ts.getClassExtendsHeritageClauseElement(classLikeDeclaration);
                 var implementsTypeNodes = ts.getClassImplementsHeritageClauseElements(classLikeDeclaration);
                 if (baseTypeNode || implementsTypeNodes) {
@@ -63073,11 +63911,11 @@ var ts;
                             }
                         }
                         var implementedInterfaceTypePropertySymbols = (classElementModifierFlags & 32) ?
-                            undefined :
-                            ts.flatMap(implementsTypeNodes, function (typeNode) { return typeChecker.getPropertiesOfType(typeChecker.getTypeAtLocation(typeNode)); });
+                            ts.emptyArray :
+                            ts.flatMap(implementsTypeNodes || ts.emptyArray, function (typeNode) { return typeChecker.getPropertiesOfType(typeChecker.getTypeAtLocation(typeNode)); });
                         symbols = filterClassMembersList(baseClassTypeToGetPropertiesFrom ?
                             typeChecker.getPropertiesOfType(baseClassTypeToGetPropertiesFrom) :
-                            undefined, implementedInterfaceTypePropertySymbols, classLikeDeclaration.members, classElementModifierFlags);
+                            ts.emptyArray, implementedInterfaceTypePropertySymbols, classLikeDeclaration.members, classElementModifierFlags);
                     }
                 }
             }
@@ -63112,6 +63950,14 @@ var ts;
             function isFromClassElementDeclaration(node) {
                 return ts.isClassElement(node.parent) && ts.isClassLike(node.parent.parent);
             }
+            function isParameterOfConstructorDeclaration(node) {
+                return ts.isParameter(node) && ts.isConstructorDeclaration(node.parent);
+            }
+            function isConstructorParameterCompletion(node) {
+                return node.parent &&
+                    isParameterOfConstructorDeclaration(node.parent) &&
+                    (isConstructorParameterCompletionKeyword(node.kind) || ts.isDeclarationName(node));
+            }
             function tryGetClassLikeCompletionContainer(contextToken) {
                 if (contextToken) {
                     switch (contextToken.kind) {
@@ -63121,6 +63967,10 @@ var ts;
                             }
                             break;
                         case 26:
+                            if (ts.isClassLike(contextToken.parent)) {
+                                return contextToken.parent;
+                            }
+                            break;
                         case 25:
                         case 18:
                             if (ts.isClassLike(location)) {
@@ -63135,11 +63985,25 @@ var ts;
                             }
                     }
                 }
-                if (location && location.kind === 295 && ts.isClassLike(location.parent)) {
+                if (location && location.kind === 286 && ts.isClassLike(location.parent)) {
                     return location.parent;
                 }
                 return undefined;
             }
+            function tryGetConstructorLikeCompletionContainer(contextToken) {
+                if (contextToken) {
+                    switch (contextToken.kind) {
+                        case 19:
+                        case 26:
+                            return ts.isConstructorDeclaration(contextToken.parent) && contextToken.parent;
+                        default:
+                            if (isConstructorParameterCompletion(contextToken)) {
+                                return contextToken.parent.parent;
+                            }
+                    }
+                }
+                return undefined;
+            }
             function tryGetContainingJsxElement(contextToken) {
                 if (contextToken) {
                     var parent = contextToken.parent;
@@ -63186,11 +64050,12 @@ var ts;
                             containingNodeKind === 208 ||
                             containingNodeKind === 232 ||
                             isFunctionLikeButNotConstructor(containingNodeKind) ||
-                            containingNodeKind === 229 ||
-                            containingNodeKind === 199 ||
                             containingNodeKind === 230 ||
                             containingNodeKind === 175 ||
-                            containingNodeKind === 231;
+                            containingNodeKind === 231 ||
+                            (ts.isClassLike(contextToken.parent) &&
+                                contextToken.parent.typeParameters &&
+                                contextToken.parent.typeParameters.end >= contextToken.pos);
                     case 23:
                         return containingNodeKind === 175;
                     case 56:
@@ -63224,7 +64089,7 @@ var ts;
                     case 114:
                     case 112:
                     case 113:
-                        return containingNodeKind === 146;
+                        return containingNodeKind === 146 && !ts.isConstructorDeclaration(contextToken.parent.parent);
                     case 118:
                         return containingNodeKind === 242 ||
                             containingNodeKind === 246 ||
@@ -63250,6 +64115,13 @@ var ts;
                     isFromClassElementDeclaration(contextToken)) {
                     return false;
                 }
+                if (isConstructorParameterCompletion(contextToken)) {
+                    if (!ts.isIdentifier(contextToken) ||
+                        isConstructorParameterCompletionKeywordText(contextToken.getText()) ||
+                        isCurrentlyEditingNode(contextToken)) {
+                        return false;
+                    }
+                }
                 switch (contextToken.getText()) {
                     case "abstract":
                     case "async":
@@ -63268,7 +64140,7 @@ var ts;
                     case "yield":
                         return true;
                 }
-                return false;
+                return ts.isDeclarationName(contextToken) && !ts.isJsxAttribute(contextToken.parent);
             }
             function isFunctionLikeButNotConstructor(kind) {
                 return ts.isFunctionLikeKind(kind) && kind !== 152;
@@ -63281,25 +64153,25 @@ var ts;
                 return false;
             }
             function filterNamedImportOrExportCompletionItems(exportsOfModule, namedImportsOrExports) {
-                var existingImportsOrExports = ts.createMap();
+                var existingImportsOrExports = ts.createUnderscoreEscapedMap();
                 for (var _i = 0, namedImportsOrExports_1 = namedImportsOrExports; _i < namedImportsOrExports_1.length; _i++) {
                     var element = namedImportsOrExports_1[_i];
                     if (isCurrentlyEditingNode(element)) {
                         continue;
                     }
                     var name = element.propertyName || element.name;
-                    existingImportsOrExports.set(name.text, true);
+                    existingImportsOrExports.set(name.escapedText, true);
                 }
                 if (existingImportsOrExports.size === 0) {
-                    return ts.filter(exportsOfModule, function (e) { return e.name !== "default"; });
+                    return ts.filter(exportsOfModule, function (e) { return e.escapedName !== "default"; });
                 }
-                return ts.filter(exportsOfModule, function (e) { return e.name !== "default" && !existingImportsOrExports.get(e.name); });
+                return ts.filter(exportsOfModule, function (e) { return e.escapedName !== "default" && !existingImportsOrExports.get(e.escapedName); });
             }
             function filterObjectMembersList(contextualMemberSymbols, existingMembers) {
                 if (!existingMembers || existingMembers.length === 0) {
                     return contextualMemberSymbols;
                 }
-                var existingMemberNames = ts.createMap();
+                var existingMemberNames = ts.createUnderscoreEscapedMap();
                 for (var _i = 0, existingMembers_1 = existingMembers; _i < existingMembers_1.length; _i++) {
                     var m = existingMembers_1[_i];
                     if (m.kind !== 261 &&
@@ -63316,18 +64188,19 @@ var ts;
                     var existingName = void 0;
                     if (m.kind === 176 && m.propertyName) {
                         if (m.propertyName.kind === 71) {
-                            existingName = m.propertyName.text;
+                            existingName = m.propertyName.escapedText;
                         }
                     }
                     else {
-                        existingName = ts.getNameOfDeclaration(m).text;
+                        var name = ts.getNameOfDeclaration(m);
+                        existingName = ts.getEscapedTextOfIdentifierOrLiteral(name);
                     }
                     existingMemberNames.set(existingName, true);
                 }
-                return ts.filter(contextualMemberSymbols, function (m) { return !existingMemberNames.get(m.name); });
+                return ts.filter(contextualMemberSymbols, function (m) { return !existingMemberNames.get(m.escapedName); });
             }
             function filterClassMembersList(baseSymbols, implementingTypeSymbols, existingMembers, currentClassElementModifierFlags) {
-                var existingMemberNames = ts.createMap();
+                var existingMemberNames = ts.createUnderscoreEscapedMap();
                 for (var _i = 0, existingMembers_2 = existingMembers; _i < existingMembers_2.length; _i++) {
                     var m = existingMembers_2[_i];
                     if (m.kind !== 149 &&
@@ -63353,63 +64226,91 @@ var ts;
                         existingMemberNames.set(existingName, true);
                     }
                 }
-                return ts.concatenate(ts.filter(baseSymbols, function (baseProperty) { return isValidProperty(baseProperty, 8); }), ts.filter(implementingTypeSymbols, function (implementingProperty) { return isValidProperty(implementingProperty, 24); }));
+                var result = [];
+                addPropertySymbols(baseSymbols, 8);
+                addPropertySymbols(implementingTypeSymbols, 24);
+                return result;
+                function addPropertySymbols(properties, inValidModifierFlags) {
+                    for (var _i = 0, properties_12 = properties; _i < properties_12.length; _i++) {
+                        var property = properties_12[_i];
+                        if (isValidProperty(property, inValidModifierFlags)) {
+                            result.push(property);
+                        }
+                    }
+                }
                 function isValidProperty(propertySymbol, inValidModifierFlags) {
-                    return !existingMemberNames.get(propertySymbol.name) &&
+                    return !existingMemberNames.get(propertySymbol.escapedName) &&
                         propertySymbol.getDeclarations() &&
                         !(ts.getDeclarationModifierFlagsFromSymbol(propertySymbol) & inValidModifierFlags);
                 }
             }
             function filterJsxAttributes(symbols, attributes) {
-                var seenNames = ts.createMap();
+                var seenNames = ts.createUnderscoreEscapedMap();
                 for (var _i = 0, attributes_1 = attributes; _i < attributes_1.length; _i++) {
                     var attr = attributes_1[_i];
                     if (isCurrentlyEditingNode(attr)) {
                         continue;
                     }
                     if (attr.kind === 253) {
-                        seenNames.set(attr.name.text, true);
+                        seenNames.set(attr.name.escapedText, true);
                     }
                 }
-                return ts.filter(symbols, function (a) { return !seenNames.get(a.name); });
+                return ts.filter(symbols, function (a) { return !seenNames.get(a.escapedName); });
             }
             function isCurrentlyEditingNode(node) {
                 return node.getStart() <= position && position <= node.getEnd();
             }
         }
-        function getCompletionEntryDisplayNameForSymbol(typeChecker, symbol, target, performCharacterChecks, location) {
-            var displayName = ts.getDeclaredName(typeChecker, symbol, location);
-            if (displayName) {
-                var firstCharCode = displayName.charCodeAt(0);
-                if ((symbol.flags & 1920) && (firstCharCode === 39 || firstCharCode === 34)) {
+        function getCompletionEntryDisplayNameForSymbol(symbol, target, performCharacterChecks) {
+            var name = symbol.name;
+            if (!name)
+                return undefined;
+            if (symbol.flags & 1920) {
+                var firstCharCode = name.charCodeAt(0);
+                if (firstCharCode === 39 || firstCharCode === 34) {
                     return undefined;
                 }
             }
-            return getCompletionEntryDisplayName(displayName, target, performCharacterChecks);
+            return getCompletionEntryDisplayName(name, target, performCharacterChecks);
         }
         function getCompletionEntryDisplayName(name, target, performCharacterChecks) {
-            if (!name) {
+            if (performCharacterChecks && !ts.isIdentifierText(name, target)) {
                 return undefined;
             }
-            name = ts.stripQuotes(name);
-            if (!name) {
-                return undefined;
+            return name;
+        }
+        var _keywordCompletions = [];
+        function getKeywordCompletions(keywordFilter) {
+            var completions = _keywordCompletions[keywordFilter];
+            if (completions) {
+                return completions;
             }
-            if (performCharacterChecks) {
-                if (!ts.isIdentifierText(name, target)) {
-                    return undefined;
+            return _keywordCompletions[keywordFilter] = generateKeywordCompletions(keywordFilter);
+            function generateKeywordCompletions(keywordFilter) {
+                switch (keywordFilter) {
+                    case 0:
+                        return getAllKeywordCompletions();
+                    case 1:
+                        return getFilteredKeywordCompletions(isClassMemberCompletionKeywordText);
+                    case 2:
+                        return getFilteredKeywordCompletions(isConstructorParameterCompletionKeywordText);
                 }
             }
-            return name;
-        }
-        var keywordCompletions = [];
-        for (var i = 72; i <= 142; i++) {
-            keywordCompletions.push({
-                name: ts.tokenToString(i),
-                kind: ts.ScriptElementKind.keyword,
-                kindModifiers: ts.ScriptElementKindModifier.none,
-                sortText: "0"
-            });
+            function getAllKeywordCompletions() {
+                var allKeywordsCompletions = [];
+                for (var i = 72; i <= 142; i++) {
+                    allKeywordsCompletions.push({
+                        name: ts.tokenToString(i),
+                        kind: "keyword",
+                        kindModifiers: "",
+                        sortText: "0"
+                    });
+                }
+                return allKeywordsCompletions;
+            }
+            function getFilteredKeywordCompletions(filterFn) {
+                return ts.filter(getKeywordCompletions(0), function (entry) { return filterFn(entry.name); });
+            }
         }
         function isClassMemberCompletionKeyword(kind) {
             switch (kind) {
@@ -63429,9 +64330,18 @@ var ts;
         function isClassMemberCompletionKeywordText(text) {
             return isClassMemberCompletionKeyword(ts.stringToToken(text));
         }
-        var classMemberKeywordCompletions = ts.filter(keywordCompletions, function (entry) {
-            return isClassMemberCompletionKeywordText(entry.name);
-        });
+        function isConstructorParameterCompletionKeyword(kind) {
+            switch (kind) {
+                case 114:
+                case 112:
+                case 113:
+                case 131:
+                    return true;
+            }
+        }
+        function isConstructorParameterCompletionKeywordText(text) {
+            return isConstructorParameterCompletionKeyword(ts.stringToToken(text));
+        }
         function isEqualityExpression(node) {
             return ts.isBinaryExpression(node) && isEqualityOperatorKind(node.operatorToken.kind);
         }
@@ -63477,8 +64387,9 @@ var ts;
     (function (DocumentHighlights) {
         function getDocumentHighlights(program, cancellationToken, sourceFile, position, sourceFilesToSearch) {
             var node = ts.getTouchingWord(sourceFile, position, true);
-            if (!node)
+            if (node === sourceFile)
                 return undefined;
+            ts.Debug.assert(node.parent !== undefined);
             if (ts.isJsxOpeningElement(node.parent) && node.parent.tagName === node || ts.isJsxClosingElement(node.parent)) {
                 var _a = node.parent.parent, openingElement = _a.openingElement, closingElement = _a.closingElement;
                 var highlightSpans = [openingElement, closingElement].map(function (_a) {
@@ -63494,7 +64405,7 @@ var ts;
             return {
                 fileName: sourceFile.fileName,
                 textSpan: ts.createTextSpanFromNode(node, sourceFile),
-                kind: ts.HighlightSpanKind.none
+                kind: "none"
             };
         }
         function getSemanticDocumentHighlights(node, program, cancellationToken, sourceFilesToSearch) {
@@ -63728,7 +64639,7 @@ var ts;
                 case 234:
                 case 265:
                     if (modifierFlag & 128) {
-                        nodes = declaration.members.concat(declaration);
+                        nodes = declaration.members.concat([declaration]);
                     }
                     else {
                         nodes = container.statements;
@@ -63749,7 +64660,7 @@ var ts;
                         }
                     }
                     else if (modifierFlag & 128) {
-                        nodes = nodes.concat(container);
+                        nodes = nodes.concat([container]);
                     }
                     break;
                 default:
@@ -63941,7 +64852,7 @@ var ts;
                         result.push({
                             fileName: sourceFile.fileName,
                             textSpan: ts.createTextSpanFromBounds(elseKeyword.getStart(), ifKeyword.end),
-                            kind: ts.HighlightSpanKind.reference
+                            kind: "reference"
                         });
                         i++;
                         continue;
@@ -63953,7 +64864,7 @@ var ts;
         }
         function isLabeledBy(node, labelName) {
             for (var owner = node.parent; owner.kind === 222; owner = owner.parent) {
-                if (owner.label.text === labelName) {
+                if (owner.label.escapedText === labelName) {
                     return true;
                 }
             }
@@ -63973,7 +64884,7 @@ var ts;
         function getBucketForCompilationSettings(key, createIfMissing) {
             var bucket = buckets.get(key);
             if (!bucket && createIfMissing) {
-                buckets.set(key, bucket = ts.createFileMap());
+                buckets.set(key, bucket = ts.createMap());
             }
             return bucket;
         }
@@ -63981,9 +64892,9 @@ var ts;
             var bucketInfoArray = ts.arrayFrom(buckets.keys()).filter(function (name) { return name && name.charAt(0) === "_"; }).map(function (name) {
                 var entries = buckets.get(name);
                 var sourceFiles = [];
-                entries.forEachValue(function (key, entry) {
+                entries.forEach(function (entry, name) {
                     sourceFiles.push({
-                        name: key,
+                        name: name,
                         refCount: entry.languageServiceRefCount,
                         references: entry.owners.slice(0)
                     });
@@ -64016,11 +64927,10 @@ var ts;
             var bucket = getBucketForCompilationSettings(key, true);
             var entry = bucket.get(path);
             if (!entry) {
-                ts.Debug.assert(acquiring, "How could we be trying to update a document that the registry doesn't have?");
                 var sourceFile = ts.createLanguageServiceSourceFile(fileName, scriptSnapshot, compilationSettings.target, version, false, scriptKind);
                 entry = {
                     sourceFile: sourceFile,
-                    languageServiceRefCount: 0,
+                    languageServiceRefCount: 1,
                     owners: []
                 };
                 bucket.set(path, entry);
@@ -64029,9 +64939,9 @@ var ts;
                 if (entry.sourceFile.version !== version) {
                     entry.sourceFile = ts.updateLanguageServiceSourceFile(entry.sourceFile, scriptSnapshot, version, scriptSnapshot.getChangeRange(entry.sourceFile.scriptSnapshot));
                 }
-            }
-            if (acquiring) {
-                entry.languageServiceRefCount++;
+                if (acquiring) {
+                    entry.languageServiceRefCount++;
+                }
             }
             return entry.sourceFile;
         }
@@ -64047,7 +64957,7 @@ var ts;
             entry.languageServiceRefCount--;
             ts.Debug.assert(entry.languageServiceRefCount >= 0);
             if (entry.languageServiceRefCount === 0) {
-                bucket.remove(path);
+                bucket.delete(path);
             }
         }
         return {
@@ -64196,7 +65106,7 @@ var ts;
             }
         }
         function getSearchesFromDirectImports(directImports, exportSymbol, exportKind, checker, isForRename) {
-            var exportName = exportSymbol.name;
+            var exportName = exportSymbol.escapedName;
             var importSearches = [];
             var singleReferences = [];
             function addSearch(location, symbol) {
@@ -64241,7 +65151,7 @@ var ts;
                 }
                 else {
                     var name = importClause.name;
-                    if (name && (!isForRename || name.text === symbolName(exportSymbol))) {
+                    if (name && (!isForRename || name.escapedText === symbolName(exportSymbol))) {
                         var defaultImportAlias = checker.getSymbolAtLocation(name);
                         addSearch(name, defaultImportAlias);
                     }
@@ -64252,7 +65162,7 @@ var ts;
                 }
             }
             function handleNamespaceImportLike(importName) {
-                if (exportKind === 2 && (!isForRename || importName.text === exportName)) {
+                if (exportKind === 2 && (!isForRename || importName.escapedText === exportName)) {
                     addSearch(importName, checker.getSymbolAtLocation(importName));
                 }
             }
@@ -64261,7 +65171,7 @@ var ts;
                     for (var _i = 0, _a = namedBindings.elements; _i < _a.length; _i++) {
                         var element = _a[_i];
                         var name = element.name, propertyName = element.propertyName;
-                        if ((propertyName || name).text !== exportName) {
+                        if ((propertyName || name).escapedText !== exportName) {
                             continue;
                         }
                         if (propertyName) {
@@ -64399,20 +65309,18 @@ var ts;
             return comingFromExport ? getExport() : getExport() || getImport();
             function getExport() {
                 var parent = node.parent;
-                if (symbol.flags & 7340032) {
+                if (symbol.exportSymbol) {
                     if (parent.kind === 179) {
                         return symbol.declarations.some(function (d) { return d === parent; }) && ts.isBinaryExpression(parent.parent)
                             ? getSpecialPropertyExport(parent.parent, false)
                             : undefined;
                     }
                     else {
-                        var exportSymbol = symbol.exportSymbol;
-                        ts.Debug.assert(!!exportSymbol);
-                        return exportInfo(exportSymbol, getExportKindForDeclaration(parent));
+                        return exportInfo(symbol.exportSymbol, getExportKindForDeclaration(parent));
                     }
                 }
                 else {
-                    var exportNode = getExportNode(parent);
+                    var exportNode = getExportNode(parent, node);
                     if (exportNode && ts.hasModifier(exportNode, 1)) {
                         if (ts.isImportEqualsDeclaration(exportNode) && exportNode.moduleReference === node) {
                             if (comingFromExport) {
@@ -64467,10 +65375,10 @@ var ts;
                 if (!importedSymbol)
                     return undefined;
                 importedSymbol = skipExportSpecifierSymbol(importedSymbol, checker);
-                if (importedSymbol.name === "export=") {
+                if (importedSymbol.escapedName === "export=") {
                     importedSymbol = getExportEqualsLocalSymbol(importedSymbol, checker);
                 }
-                if (symbolName(importedSymbol) === symbol.name) {
+                if (symbolName(importedSymbol) === symbol.escapedName) {
                     return __assign({ kind: 0, symbol: importedSymbol }, isImport);
                 }
             }
@@ -64484,7 +65392,7 @@ var ts;
         }
         FindAllReferences.getImportOrExportSymbol = getImportOrExportSymbol;
         function getExportEqualsLocalSymbol(importedSymbol, checker) {
-            if (importedSymbol.flags & 8388608) {
+            if (importedSymbol.flags & 2097152) {
                 return checker.getImmediateAliasedSymbol(importedSymbol);
             }
             var decl = importedSymbol.valueDeclaration;
@@ -64496,10 +65404,11 @@ var ts;
             }
             ts.Debug.fail();
         }
-        function getExportNode(parent) {
+        function getExportNode(parent, node) {
             if (parent.kind === 226) {
                 var p = parent;
-                return p.parent.kind === 260 ? undefined : p.parent.parent.kind === 208 ? p.parent.parent : undefined;
+                return p.name !== node ? undefined :
+                    p.parent.kind === 260 ? undefined : p.parent.parent.kind === 208 ? p.parent.parent : undefined;
             }
             else {
                 return parent;
@@ -64528,15 +65437,15 @@ var ts;
         }
         FindAllReferences.getExportInfo = getExportInfo;
         function symbolName(symbol) {
-            if (symbol.name !== "default") {
-                return symbol.name;
+            if (symbol.escapedName !== "default") {
+                return symbol.escapedName;
             }
             return ts.forEach(symbol.declarations, function (decl) {
                 if (ts.isExportAssignment(decl)) {
-                    return ts.isIdentifier(decl.expression) ? decl.expression.text : undefined;
+                    return ts.isIdentifier(decl.expression) ? decl.expression.escapedText : undefined;
                 }
                 var name = ts.getNameOfDeclaration(decl);
-                return name && name.kind === 71 && name.text;
+                return name && name.kind === 71 && name.escapedText;
             });
         }
         function skipExportSpecifierSymbol(symbol, checker) {
@@ -64650,22 +65559,22 @@ var ts;
                     }
                     case "label": {
                         var node_3 = def.node;
-                        return { node: node_3, name: node_3.text, kind: ts.ScriptElementKind.label, displayParts: [ts.displayPart(node_3.text, ts.SymbolDisplayPartKind.text)] };
+                        return { node: node_3, name: node_3.text, kind: "label", displayParts: [ts.displayPart(node_3.text, ts.SymbolDisplayPartKind.text)] };
                     }
                     case "keyword": {
                         var node_4 = def.node;
                         var name_4 = ts.tokenToString(node_4.kind);
-                        return { node: node_4, name: name_4, kind: ts.ScriptElementKind.keyword, displayParts: [{ text: name_4, kind: ts.ScriptElementKind.keyword }] };
+                        return { node: node_4, name: name_4, kind: "keyword", displayParts: [{ text: name_4, kind: "keyword" }] };
                     }
                     case "this": {
                         var node_5 = def.node;
                         var symbol = checker.getSymbolAtLocation(node_5);
                         var displayParts_2 = symbol && ts.SymbolDisplay.getSymbolDisplayPartsDocumentationAndSymbolKind(checker, symbol, node_5.getSourceFile(), ts.getContainerNode(node_5), node_5).displayParts;
-                        return { node: node_5, name: "this", kind: ts.ScriptElementKind.variableElement, displayParts: displayParts_2 };
+                        return { node: node_5, name: "this", kind: "var", displayParts: displayParts_2 };
                     }
                     case "string": {
                         var node_6 = def.node;
-                        return { node: node_6, name: node_6.text, kind: ts.ScriptElementKind.variableElement, displayParts: [ts.displayPart(ts.getTextOfNode(node_6), ts.SymbolDisplayPartKind.stringLiteral)] };
+                        return { node: node_6, name: node_6.text, kind: "var", displayParts: [ts.displayPart(ts.getTextOfNode(node_6), ts.SymbolDisplayPartKind.stringLiteral)] };
                     }
                 }
             })();
@@ -64708,7 +65617,7 @@ var ts;
             }
             else {
                 var textSpan = entry.textSpan, fileName = entry.fileName;
-                return { textSpan: textSpan, fileName: fileName, kind: ts.ScriptElementKind.unknown, displayParts: [] };
+                return { textSpan: textSpan, fileName: fileName, kind: "", displayParts: [] };
             }
         }
         function implementationKindDisplayParts(node, checker) {
@@ -64718,13 +65627,13 @@ var ts;
             }
             else if (node.kind === 178) {
                 return {
-                    kind: ts.ScriptElementKind.interfaceElement,
+                    kind: "interface",
                     displayParts: [ts.punctuationPart(19), ts.textPart("object literal"), ts.punctuationPart(20)]
                 };
             }
             else if (node.kind === 199) {
                 return {
-                    kind: ts.ScriptElementKind.localClassElement,
+                    kind: "local class",
                     displayParts: [ts.punctuationPart(19), ts.textPart("anonymous local class"), ts.punctuationPart(20)]
                 };
             }
@@ -64735,14 +65644,14 @@ var ts;
         function toHighlightSpan(entry) {
             if (entry.type === "span") {
                 var fileName_1 = entry.fileName, textSpan = entry.textSpan;
-                return { fileName: fileName_1, span: { textSpan: textSpan, kind: ts.HighlightSpanKind.reference } };
+                return { fileName: fileName_1, span: { textSpan: textSpan, kind: "reference" } };
             }
             var node = entry.node, isInString = entry.isInString;
             var fileName = entry.node.getSourceFile().fileName;
             var writeAccess = isWriteAccess(node);
             var span = {
                 textSpan: getTextSpan(node),
-                kind: writeAccess ? ts.HighlightSpanKind.writtenReference : ts.HighlightSpanKind.reference,
+                kind: writeAccess ? "writtenReference" : "reference",
                 isInString: isInString
             };
             return { fileName: fileName, span: span };
@@ -64924,7 +65833,7 @@ var ts;
                 State.prototype.createSearch = function (location, symbol, comingFrom, searchOptions) {
                     if (searchOptions === void 0) { searchOptions = {}; }
                     var _a = searchOptions.text, text = _a === void 0 ? ts.stripQuotes(ts.getDeclaredName(this.checker, symbol, location)) : _a, _b = searchOptions.allSearchSymbols, allSearchSymbols = _b === void 0 ? undefined : _b;
-                    var escapedText = ts.escapeIdentifier(text);
+                    var escapedText = ts.escapeLeadingUnderscores(text);
                     var parents = this.options.implementations && getParentSymbolsOfPropertyAccess(location, symbol, this.checker);
                     return {
                         location: location, symbol: symbol, comingFrom: comingFrom, text: text, escapedText: escapedText, parents: parents,
@@ -65002,19 +65911,25 @@ var ts;
                 return ts.isArrayLiteralOrObjectLiteralDestructuringPattern(location.parent.parent) &&
                     checker.getPropertySymbolOfDestructuringAssignment(location);
             }
-            function isObjectBindingPatternElementWithoutPropertyName(symbol) {
+            function getObjectBindingElementWithoutPropertyName(symbol) {
                 var bindingElement = ts.getDeclarationOfKind(symbol, 176);
-                return bindingElement &&
+                if (bindingElement &&
                     bindingElement.parent.kind === 174 &&
-                    !bindingElement.propertyName;
+                    !bindingElement.propertyName) {
+                    return bindingElement;
+                }
             }
             function getPropertySymbolOfObjectBindingPatternWithoutPropertyName(symbol, checker) {
-                if (isObjectBindingPatternElementWithoutPropertyName(symbol)) {
-                    var bindingElement = ts.getDeclarationOfKind(symbol, 176);
-                    var typeOfPattern = checker.getTypeAtLocation(bindingElement.parent);
-                    return typeOfPattern && checker.getPropertyOfType(typeOfPattern, bindingElement.name.text);
+                var bindingElement = getObjectBindingElementWithoutPropertyName(symbol);
+                if (!bindingElement)
+                    return undefined;
+                var typeOfPattern = checker.getTypeAtLocation(bindingElement.parent);
+                var propSymbol = typeOfPattern && checker.getPropertyOfType(typeOfPattern, bindingElement.name.text);
+                if (propSymbol && propSymbol.flags & 98304) {
+                    ts.Debug.assert(!!(propSymbol.flags & 33554432));
+                    return propSymbol.target;
                 }
-                return undefined;
+                return propSymbol;
             }
             function getSymbolScope(symbol) {
                 var declarations = symbol.declarations, flags = symbol.flags, parent = symbol.parent, valueDeclaration = symbol.valueDeclaration;
@@ -65031,15 +65946,16 @@ var ts;
                     }
                     return undefined;
                 }
-                if (isObjectBindingPatternElementWithoutPropertyName(symbol)) {
+                if (getObjectBindingElementWithoutPropertyName(symbol)) {
                     return undefined;
                 }
-                if (parent && !((parent.flags & 1536) && ts.isExternalModuleSymbol(parent) && !parent.globalExports)) {
+                var exposedByParent = parent && !(symbol.flags & 262144);
+                if (exposedByParent && !((parent.flags & 1536) && ts.isExternalModuleSymbol(parent) && !parent.globalExports)) {
                     return undefined;
                 }
                 var scope;
-                for (var _i = 0, declarations_10 = declarations; _i < declarations_10.length; _i++) {
-                    var declaration = declarations_10[_i];
+                for (var _i = 0, declarations_9 = declarations; _i < declarations_9.length; _i++) {
+                    var declaration = declarations_9[_i];
                     var container = ts.getContainerNode(declaration);
                     if (scope && scope !== container) {
                         return undefined;
@@ -65049,7 +65965,7 @@ var ts;
                     }
                     scope = container;
                 }
-                return parent ? scope.getSourceFile() : scope;
+                return exposedByParent ? scope.getSourceFile() : scope;
             }
             function getPossibleSymbolReferencePositions(sourceFile, symbolName, container) {
                 if (container === void 0) { container = sourceFile; }
@@ -65090,7 +66006,7 @@ var ts;
             function isValidReferencePosition(node, searchSymbolName) {
                 switch (node && node.kind) {
                     case 71:
-                        return ts.unescapeIdentifier(node.text).length === searchSymbolName.length;
+                        return node.text.length === searchSymbolName.length;
                     case 9:
                         return (ts.isLiteralNameOfPropertyDeclarationOrIndexAccess(node) || isNameOfExternalModuleImportOrDeclaration(node)) &&
                             node.text.length === searchSymbolName.length;
@@ -65235,7 +66151,7 @@ var ts;
             function getReferenceForShorthandProperty(_a, search, state) {
                 var flags = _a.flags, valueDeclaration = _a.valueDeclaration;
                 var shorthandValueSymbol = state.checker.getShorthandAssignmentValueSymbol(valueDeclaration);
-                if (!(flags & 134217728) && search.includes(shorthandValueSymbol)) {
+                if (!(flags & 33554432) && search.includes(shorthandValueSymbol)) {
                     addReference(ts.getNameOfDeclaration(valueDeclaration), shorthandValueSymbol, search.location, state);
                 }
             }
@@ -65330,15 +66246,16 @@ var ts;
                         addReference(parent.initializer);
                     }
                     else if (ts.isFunctionLike(parent) && parent.type === containingTypeReference && parent.body) {
-                        if (parent.body.kind === 207) {
-                            ts.forEachReturnStatement(parent.body, function (returnStatement) {
+                        var body = parent.body;
+                        if (body.kind === 207) {
+                            ts.forEachReturnStatement(body, function (returnStatement) {
                                 if (returnStatement.expression && isImplementationExpression(returnStatement.expression)) {
                                     addReference(returnStatement.expression);
                                 }
                             });
                         }
-                        else if (isImplementationExpression(parent.body)) {
-                            addReference(parent.body);
+                        else if (isImplementationExpression(body)) {
+                            addReference(body);
                         }
                     }
                     else if (ts.isAssertionExpression(parent) && isImplementationExpression(parent.expression)) {
@@ -65614,7 +66531,7 @@ var ts;
                         result.push(rootSymbol);
                     }
                     if (!implementations && rootSymbol.parent && rootSymbol.parent.flags & (32 | 64)) {
-                        getPropertySymbolsFromBaseTypes(rootSymbol.parent, rootSymbol.getName(), result, ts.createMap(), checker);
+                        getPropertySymbolsFromBaseTypes(rootSymbol.parent, rootSymbol.name, result, ts.createSymbolTable(), checker);
                     }
                 }
                 return result;
@@ -65623,7 +66540,7 @@ var ts;
                 if (!symbol) {
                     return;
                 }
-                if (previousIterationSymbolsCache.has(symbol.name)) {
+                if (previousIterationSymbolsCache.has(symbol.escapedName)) {
                     return;
                 }
                 if (symbol.flags & (32 | 64)) {
@@ -65646,7 +66563,7 @@ var ts;
                             if (propertySymbol) {
                                 result.push.apply(result, checker.getRootSymbols(propertySymbol));
                             }
-                            previousIterationSymbolsCache.set(symbol.name, symbol);
+                            previousIterationSymbolsCache.set(symbol.escapedName, symbol);
                             getPropertySymbolsFromBaseTypes(type.symbol, propertyName, result, previousIterationSymbolsCache, checker);
                         }
                     }
@@ -65682,7 +66599,7 @@ var ts;
                             return undefined;
                         }
                         var result = [];
-                        getPropertySymbolsFromBaseTypes(rootSymbol.parent, rootSymbol.getName(), result, ts.createMap(), state.checker);
+                        getPropertySymbolsFromBaseTypes(rootSymbol.parent, rootSymbol.name, result, ts.createSymbolTable(), state.checker);
                         return ts.find(result, search.includes);
                     }
                     return undefined;
@@ -65696,7 +66613,7 @@ var ts;
                     }
                     return undefined;
                 }
-                return node.name.text;
+                return ts.getTextOfIdentifierOrLiteral(node.name);
             }
             function getPropertySymbolsFromContextualType(node, checker) {
                 var objectLiteral = node.parent;
@@ -65725,8 +66642,8 @@ var ts;
                     var lastIterationMeaning = void 0;
                     do {
                         lastIterationMeaning = meaning;
-                        for (var _i = 0, declarations_11 = declarations; _i < declarations_11.length; _i++) {
-                            var declaration = declarations_11[_i];
+                        for (var _i = 0, declarations_10 = declarations; _i < declarations_10.length; _i++) {
+                            var declaration = declarations_10[_i];
                             var declarationMeaning = ts.getMeaningFromDeclaration(declaration);
                             if (declarationMeaning & meaning) {
                                 meaning |= declarationMeaning;
@@ -65842,8 +66759,8 @@ var ts;
             }
             if (ts.isJumpStatementTarget(node)) {
                 var labelName = node.text;
-                var label = ts.getTargetLabel(node.parent, node.text);
-                return label ? [createDefinitionInfoFromName(label, ts.ScriptElementKind.label, labelName, undefined)] : undefined;
+                var label = ts.getTargetLabel(node.parent, labelName);
+                return label ? [createDefinitionInfoFromName(label, "label", labelName, undefined)] : undefined;
             }
             var typeChecker = program.getTypeChecker();
             var calledDeclaration = tryGetSignatureDeclaration(typeChecker, node);
@@ -65854,7 +66771,7 @@ var ts;
             if (!symbol) {
                 return undefined;
             }
-            if (symbol.flags & 8388608 && shouldSkipAlias(node, symbol.declarations[0])) {
+            if (symbol.flags & 2097152 && shouldSkipAlias(node, symbol.declarations[0])) {
                 var aliased = typeChecker.getAliasedSymbol(symbol);
                 if (aliased.declarations) {
                     symbol = aliased;
@@ -65871,6 +66788,16 @@ var ts;
                 var shorthandContainerName_1 = typeChecker.symbolToString(symbol.parent, node);
                 return ts.map(shorthandDeclarations, function (declaration) { return createDefinitionInfo(declaration, shorthandSymbolKind_1, shorthandSymbolName_1, shorthandContainerName_1); });
             }
+            if (ts.isPropertyName(node) && ts.isBindingElement(node.parent) && ts.isObjectBindingPattern(node.parent.parent) &&
+                (node === (node.parent.propertyName || node.parent.name))) {
+                var type = typeChecker.getTypeAtLocation(node.parent.parent);
+                if (type) {
+                    var propSymbols = ts.getPropertySymbolsFromType(type, node);
+                    if (propSymbols) {
+                        return ts.flatMap(propSymbols, function (propSymbol) { return getDefinitionFromSymbol(typeChecker, propSymbol, node); });
+                    }
+                }
+            }
             var element = ts.getContainingObjectLiteralElement(node);
             if (element && typeChecker.getContextualType(element.parent)) {
                 return ts.flatMap(ts.getPropertySymbolsFromContextualType(typeChecker, element), function (propertySymbol) {
@@ -66026,7 +66953,7 @@ var ts;
             return {
                 fileName: targetFileName,
                 textSpan: ts.createTextSpanFromBounds(0, 0),
-                kind: ts.ScriptElementKind.scriptElement,
+                kind: "script",
                 name: name,
                 containerName: undefined,
                 containerKind: undefined
@@ -66103,19 +67030,14 @@ var ts;
         function getJsDocCommentsFromDeclarations(declarations) {
             var documentationComment = [];
             forEachUnique(declarations, function (declaration) {
-                var comments = ts.getCommentsFromJSDoc(declaration);
-                if (!comments) {
-                    return;
-                }
-                for (var _i = 0, comments_3 = comments; _i < comments_3.length; _i++) {
-                    var comment = comments_3[_i];
-                    if (comment) {
+                ts.forEach(ts.getAllJSDocs(declaration), function (doc) {
+                    if (doc.comment) {
                         if (documentationComment.length) {
                             documentationComment.push(ts.lineBreakPart());
                         }
-                        documentationComment.push(ts.textPart(comment));
+                        documentationComment.push(ts.textPart(doc.comment));
                     }
-                }
+                });
             });
             return documentationComment;
         }
@@ -66123,20 +67045,10 @@ var ts;
         function getJsDocTagsFromDeclarations(declarations) {
             var tags = [];
             forEachUnique(declarations, function (declaration) {
-                var jsDocs = ts.getJSDocs(declaration);
-                if (!jsDocs) {
-                    return;
-                }
-                for (var _i = 0, jsDocs_1 = jsDocs; _i < jsDocs_1.length; _i++) {
-                    var doc = jsDocs_1[_i];
-                    var tagsForDoc = doc.tags;
-                    if (tagsForDoc) {
-                        tags.push.apply(tags, tagsForDoc.filter(function (tag) { return tag.kind === 284; }).map(function (jsDocTag) {
-                            return {
-                                name: jsDocTag.tagName.text,
-                                text: jsDocTag.comment
-                            };
-                        }));
+                for (var _i = 0, _a = ts.getJSDocTags(declaration); _i < _a.length; _i++) {
+                    var tag = _a[_i];
+                    if (tag.kind === 276) {
+                        tags.push({ name: tag.tagName.text, text: tag.comment });
                     }
                 }
             });
@@ -66160,7 +67072,7 @@ var ts;
             return jsDocTagNameCompletionEntries || (jsDocTagNameCompletionEntries = ts.map(jsDocTagNames, function (tagName) {
                 return {
                     name: tagName,
-                    kind: ts.ScriptElementKind.keyword,
+                    kind: "keyword",
                     kindModifiers: "",
                     sortText: "0",
                 };
@@ -66171,7 +67083,7 @@ var ts;
             return jsDocTagCompletionEntries || (jsDocTagCompletionEntries = ts.map(jsDocTagNames, function (tagName) {
                 return {
                     name: "@" + tagName,
-                    kind: ts.ScriptElementKind.keyword,
+                    kind: "keyword",
                     kindModifiers: "",
                     sortText: "0"
                 };
@@ -66179,6 +67091,9 @@ var ts;
         }
         JsDoc.getJSDocTagCompletions = getJSDocTagCompletions;
         function getJSDocParameterNameCompletions(tag) {
+            if (!ts.isIdentifier(tag.name)) {
+                return ts.emptyArray;
+            }
             var nameThusFar = tag.name.text;
             var jsdoc = tag.parent;
             var fn = jsdoc.parent;
@@ -66188,11 +67103,11 @@ var ts;
                 if (!ts.isIdentifier(param.name))
                     return undefined;
                 var name = param.name.text;
-                if (jsdoc.tags.some(function (t) { return t !== tag && ts.isJSDocParameterTag(t) && t.name.text === name; })
+                if (jsdoc.tags.some(function (t) { return t !== tag && ts.isJSDocParameterTag(t) && ts.isIdentifier(t.name) && t.name.escapedText === name; })
                     || nameThusFar !== undefined && !ts.startsWith(name, nameThusFar)) {
                     return undefined;
                 }
-                return { name: name, kind: ts.ScriptElementKind.parameterElement, kindModifiers: "", sortText: "0" };
+                return { name: name, kind: "parameter", kindModifiers: "", sortText: "0" };
             });
         }
         JsDoc.getJSDocParameterNameCompletions = getJSDocParameterNameCompletions;
@@ -66235,7 +67150,7 @@ var ts;
             for (var i = 0; i < parameters.length; i++) {
                 var currentName = parameters[i].name;
                 var paramName = currentName.kind === 71 ?
-                    currentName.text :
+                    currentName.escapedText :
                     "param" + i;
                 if (isJavaScriptFile) {
                     docParams += indentationStr + " * @param {any} " + paramName + newLine;
@@ -66291,8 +67206,6 @@ var ts;
 (function (ts) {
     var JsTyping;
     (function (JsTyping) {
-        var safeList;
-        var EmptySafeList = ts.createMap();
         JsTyping.nodeCoreModuleList = [
             "buffer", "querystring", "events", "http", "cluster",
             "zlib", "os", "https", "punycode", "repl", "readline",
@@ -66301,59 +67214,54 @@ var ts;
             "crypto", "stream", "util", "assert", "tty", "domain",
             "constants", "process", "v8", "timers", "console"
         ];
-        var nodeCoreModules = ts.arrayToMap(JsTyping.nodeCoreModuleList, function (x) { return x; });
-        function discoverTypings(host, fileNames, projectRootPath, safeListPath, packageNameToTypingLocation, typeAcquisition, unresolvedImports) {
-            var inferredTypings = ts.createMap();
+        var nodeCoreModules = ts.arrayToSet(JsTyping.nodeCoreModuleList);
+        function loadSafeList(host, safeListPath) {
+            var result = ts.readConfigFile(safeListPath, function (path) { return host.readFile(path); });
+            return ts.createMapFromTemplate(result.config);
+        }
+        JsTyping.loadSafeList = loadSafeList;
+        function discoverTypings(host, log, fileNames, projectRootPath, safeList, packageNameToTypingLocation, typeAcquisition, unresolvedImports) {
             if (!typeAcquisition || !typeAcquisition.enable) {
                 return { cachedTypingPaths: [], newTypingNames: [], filesToWatch: [] };
             }
-            fileNames = ts.filter(ts.map(fileNames, ts.normalizePath), function (f) {
-                var kind = ts.ensureScriptKind(f, ts.getScriptKindFromFileName(f));
-                return kind === 1 || kind === 2;
+            var inferredTypings = ts.createMap();
+            fileNames = ts.mapDefined(fileNames, function (fileName) {
+                var path = ts.normalizePath(fileName);
+                if (ts.hasJavaScriptFileExtension(path)) {
+                    return path;
+                }
             });
-            if (!safeList) {
-                var result = ts.readConfigFile(safeListPath, function (path) { return host.readFile(path); });
-                safeList = result.config ? ts.createMapFromTemplate(result.config) : EmptySafeList;
-            }
             var filesToWatch = [];
-            var searchDirs = [];
-            var exclude = [];
-            mergeTypings(typeAcquisition.include);
-            exclude = typeAcquisition.exclude || [];
-            var possibleSearchDirs = ts.map(fileNames, ts.getDirectoryPath);
-            if (projectRootPath) {
-                possibleSearchDirs.push(projectRootPath);
-            }
-            searchDirs = ts.deduplicate(possibleSearchDirs);
-            for (var _i = 0, searchDirs_1 = searchDirs; _i < searchDirs_1.length; _i++) {
-                var searchDir = searchDirs_1[_i];
+            if (typeAcquisition.include)
+                addInferredTypings(typeAcquisition.include, "Explicitly included types");
+            var exclude = typeAcquisition.exclude || [];
+            var possibleSearchDirs = ts.arrayToSet(fileNames, ts.getDirectoryPath);
+            possibleSearchDirs.set(projectRootPath, true);
+            possibleSearchDirs.forEach(function (_true, searchDir) {
                 var packageJsonPath = ts.combinePaths(searchDir, "package.json");
                 getTypingNamesFromJson(packageJsonPath, filesToWatch);
                 var bowerJsonPath = ts.combinePaths(searchDir, "bower.json");
                 getTypingNamesFromJson(bowerJsonPath, filesToWatch);
                 var bowerComponentsPath = ts.combinePaths(searchDir, "bower_components");
-                getTypingNamesFromPackagesFolder(bowerComponentsPath);
+                getTypingNamesFromPackagesFolder(bowerComponentsPath, filesToWatch);
                 var nodeModulesPath = ts.combinePaths(searchDir, "node_modules");
-                getTypingNamesFromPackagesFolder(nodeModulesPath);
-            }
+                getTypingNamesFromPackagesFolder(nodeModulesPath, filesToWatch);
+            });
             getTypingNamesFromSourceFileNames(fileNames);
             if (unresolvedImports) {
-                for (var _a = 0, unresolvedImports_1 = unresolvedImports; _a < unresolvedImports_1.length; _a++) {
-                    var moduleId = unresolvedImports_1[_a];
-                    var typingName = nodeCoreModules.has(moduleId) ? "node" : moduleId;
-                    if (!inferredTypings.has(typingName)) {
-                        inferredTypings.set(typingName, undefined);
-                    }
-                }
+                var module = ts.deduplicate(unresolvedImports.map(function (moduleId) { return nodeCoreModules.has(moduleId) ? "node" : moduleId; }));
+                addInferredTypings(module, "Inferred typings from unresolved imports");
             }
             packageNameToTypingLocation.forEach(function (typingLocation, name) {
                 if (inferredTypings.has(name) && inferredTypings.get(name) === undefined) {
                     inferredTypings.set(name, typingLocation);
                 }
             });
-            for (var _b = 0, exclude_1 = exclude; _b < exclude_1.length; _b++) {
-                var excludeTypingName = exclude_1[_b];
-                inferredTypings.delete(excludeTypingName);
+            for (var _i = 0, exclude_1 = exclude; _i < exclude_1.length; _i++) {
+                var excludeTypingName = exclude_1[_i];
+                var didDelete = inferredTypings.delete(excludeTypingName);
+                if (didDelete && log)
+                    log("Typing for " + excludeTypingName + " is in exclude list, will be ignored.");
             }
             var newTypingNames = [];
             var cachedTypingPaths = [];
@@ -66365,58 +67273,56 @@ var ts;
                     newTypingNames.push(typing);
                 }
             });
-            return { cachedTypingPaths: cachedTypingPaths, newTypingNames: newTypingNames, filesToWatch: filesToWatch };
-            function mergeTypings(typingNames) {
-                if (!typingNames) {
-                    return;
-                }
-                for (var _i = 0, typingNames_1 = typingNames; _i < typingNames_1.length; _i++) {
-                    var typing = typingNames_1[_i];
-                    if (!inferredTypings.has(typing)) {
-                        inferredTypings.set(typing, undefined);
-                    }
+            var result = { cachedTypingPaths: cachedTypingPaths, newTypingNames: newTypingNames, filesToWatch: filesToWatch };
+            if (log)
+                log("Result: " + JSON.stringify(result));
+            return result;
+            function addInferredTyping(typingName) {
+                if (!inferredTypings.has(typingName)) {
+                    inferredTypings.set(typingName, undefined);
                 }
             }
+            function addInferredTypings(typingNames, message) {
+                if (log)
+                    log(message + ": " + JSON.stringify(typingNames));
+                ts.forEach(typingNames, addInferredTyping);
+            }
             function getTypingNamesFromJson(jsonPath, filesToWatch) {
-                if (host.fileExists(jsonPath)) {
-                    filesToWatch.push(jsonPath);
-                }
-                var result = ts.readConfigFile(jsonPath, function (path) { return host.readFile(path); });
-                if (result.config) {
-                    var jsonConfig = result.config;
-                    if (jsonConfig.dependencies) {
-                        mergeTypings(ts.getOwnKeys(jsonConfig.dependencies));
-                    }
-                    if (jsonConfig.devDependencies) {
-                        mergeTypings(ts.getOwnKeys(jsonConfig.devDependencies));
-                    }
-                    if (jsonConfig.optionalDependencies) {
-                        mergeTypings(ts.getOwnKeys(jsonConfig.optionalDependencies));
-                    }
-                    if (jsonConfig.peerDependencies) {
-                        mergeTypings(ts.getOwnKeys(jsonConfig.peerDependencies));
-                    }
+                if (!host.fileExists(jsonPath)) {
+                    return;
                 }
+                filesToWatch.push(jsonPath);
+                var jsonConfig = ts.readConfigFile(jsonPath, function (path) { return host.readFile(path); }).config;
+                var jsonTypingNames = ts.flatMap([jsonConfig.dependencies, jsonConfig.devDependencies, jsonConfig.optionalDependencies, jsonConfig.peerDependencies], ts.getOwnKeys);
+                addInferredTypings(jsonTypingNames, "Typing names in '" + jsonPath + "' dependencies");
             }
             function getTypingNamesFromSourceFileNames(fileNames) {
-                var jsFileNames = ts.filter(fileNames, ts.hasJavaScriptFileExtension);
-                var inferredTypingNames = ts.map(jsFileNames, function (f) { return ts.removeFileExtension(ts.getBaseFileName(f.toLowerCase())); });
-                var cleanedTypingNames = ts.map(inferredTypingNames, function (f) { return f.replace(/((?:\.|-)min(?=\.|$))|((?:-|\.)\d+)/g, ""); });
-                if (safeList !== EmptySafeList) {
-                    mergeTypings(ts.mapDefined(cleanedTypingNames, function (f) { return safeList.get(f); }));
+                var fromFileNames = ts.mapDefined(fileNames, function (j) {
+                    if (!ts.hasJavaScriptFileExtension(j))
+                        return undefined;
+                    var inferredTypingName = ts.removeFileExtension(ts.getBaseFileName(j.toLowerCase()));
+                    var cleanedTypingName = inferredTypingName.replace(/((?:\.|-)min(?=\.|$))|((?:-|\.)\d+)/g, "");
+                    return safeList.get(cleanedTypingName);
+                });
+                if (fromFileNames.length) {
+                    addInferredTypings(fromFileNames, "Inferred typings from file names");
                 }
-                var hasJsxFile = ts.forEach(fileNames, function (f) { return ts.ensureScriptKind(f, ts.getScriptKindFromFileName(f)) === 2; });
+                var hasJsxFile = ts.some(fileNames, function (f) { return ts.fileExtensionIs(f, ".jsx"); });
                 if (hasJsxFile) {
-                    mergeTypings(["react"]);
+                    if (log)
+                        log("Inferred 'react' typings due to presence of '.jsx' extension");
+                    addInferredTyping("react");
                 }
             }
-            function getTypingNamesFromPackagesFolder(packagesFolderPath) {
+            function getTypingNamesFromPackagesFolder(packagesFolderPath, filesToWatch) {
                 filesToWatch.push(packagesFolderPath);
                 if (!host.directoryExists(packagesFolderPath)) {
                     return;
                 }
-                var typingNames = [];
                 var fileNames = host.readDirectory(packagesFolderPath, [".json"], undefined, undefined, 2);
+                if (log)
+                    log("Searching for typing names in " + packagesFolderPath + "; all files: " + JSON.stringify(fileNames));
+                var packageNames = [];
                 for (var _i = 0, fileNames_2 = fileNames; _i < fileNames_2.length; _i++) {
                     var fileName = fileNames_2[_i];
                     var normalizedFileName = ts.normalizePath(fileName);
@@ -66424,11 +67330,8 @@ var ts;
                     if (baseFileName !== "package.json" && baseFileName !== "bower.json") {
                         continue;
                     }
-                    var result = ts.readConfigFile(normalizedFileName, function (path) { return host.readFile(path); });
-                    if (!result.config) {
-                        continue;
-                    }
-                    var packageJson = result.config;
+                    var result_8 = ts.readConfigFile(normalizedFileName, function (path) { return host.readFile(path); });
+                    var packageJson = result_8.config;
                     if (baseFileName === "package.json" && packageJson._requiredBy &&
                         ts.filter(packageJson._requiredBy, function (r) { return r[0] === "#" || r === "/"; }).length === 0) {
                         continue;
@@ -66436,15 +67339,18 @@ var ts;
                     if (!packageJson.name) {
                         continue;
                     }
-                    if (packageJson.typings) {
-                        var absolutePath = ts.getNormalizedAbsolutePath(packageJson.typings, ts.getDirectoryPath(normalizedFileName));
+                    var ownTypes = packageJson.types || packageJson.typings;
+                    if (ownTypes) {
+                        var absolutePath = ts.getNormalizedAbsolutePath(ownTypes, ts.getDirectoryPath(normalizedFileName));
+                        if (log)
+                            log("    Package '" + packageJson.name + "' provides its own types.");
                         inferredTypings.set(packageJson.name, absolutePath);
                     }
                     else {
-                        typingNames.push(packageJson.name);
+                        packageNames.push(packageJson.name);
                     }
                 }
-                mergeTypings(typingNames);
+                addInferredTypings(packageNames, "    Found package names");
             }
         }
         JsTyping.discoverTypings = discoverTypings;
@@ -66457,7 +67363,7 @@ var ts;
         function getNavigateToItems(sourceFiles, checker, cancellationToken, searchValue, maxResultCount, excludeDtsFiles) {
             var patternMatcher = ts.createPatternMatcher(searchValue);
             var rawItems = [];
-            var _loop_5 = function (sourceFile) {
+            var _loop_6 = function (sourceFile) {
                 cancellationToken.throwIfCancellationRequested();
                 if (excludeDtsFiles && ts.fileExtensionIs(sourceFile.fileName, ".d.ts")) {
                     return "continue";
@@ -66468,8 +67374,8 @@ var ts;
                         if (!matches) {
                             return;
                         }
-                        for (var _i = 0, declarations_12 = declarations; _i < declarations_12.length; _i++) {
-                            var declaration = declarations_12[_i];
+                        for (var _i = 0, declarations_11 = declarations; _i < declarations_11.length; _i++) {
+                            var declaration = declarations_11[_i];
                             if (patternMatcher.patternContainsDots) {
                                 var containers = getContainers(declaration);
                                 if (!containers) {
@@ -66489,14 +67395,14 @@ var ts;
             };
             for (var _i = 0, sourceFiles_8 = sourceFiles; _i < sourceFiles_8.length; _i++) {
                 var sourceFile = sourceFiles_8[_i];
-                _loop_5(sourceFile);
+                _loop_6(sourceFile);
             }
             rawItems = ts.filter(rawItems, function (item) {
                 var decl = item.declaration;
                 if (decl.kind === 239 || decl.kind === 242 || decl.kind === 237) {
                     var importer = checker.getSymbolAtLocation(decl.name);
                     var imported = checker.getAliasedSymbol(importer);
-                    return importer.name !== imported.name;
+                    return importer.escapedName !== imported.escapedName;
                 }
                 else {
                     return true;
@@ -66518,21 +67424,11 @@ var ts;
                 }
                 return true;
             }
-            function getTextOfIdentifierOrLiteral(node) {
-                if (node) {
-                    if (node.kind === 71 ||
-                        node.kind === 9 ||
-                        node.kind === 8) {
-                        return node.text;
-                    }
-                }
-                return undefined;
-            }
             function tryAddSingleDeclarationName(declaration, containers) {
                 if (declaration) {
                     var name = ts.getNameOfDeclaration(declaration);
                     if (name) {
-                        var text = getTextOfIdentifierOrLiteral(name);
+                        var text = ts.getTextOfIdentifierOrLiteral(name);
                         if (text !== undefined) {
                             containers.unshift(text);
                         }
@@ -66547,7 +67443,7 @@ var ts;
                 return true;
             }
             function tryAddComputedPropertyName(expression, containers, includeLastPortion) {
-                var text = getTextOfIdentifierOrLiteral(expression);
+                var text = ts.getTextOfIdentifierOrLiteral(expression);
                 if (text !== undefined) {
                     if (includeLastPortion) {
                         containers.unshift(text);
@@ -66813,7 +67709,7 @@ var ts;
                 default:
                     ts.forEach(node.jsDoc, function (jsDoc) {
                         ts.forEach(jsDoc.tags, function (tag) {
-                            if (tag.kind === 291) {
+                            if (tag.kind === 283) {
                                 addLeafNode(tag);
                             }
                         });
@@ -66905,14 +67801,14 @@ var ts;
             }
             var declName = ts.getNameOfDeclaration(node);
             if (declName) {
-                return ts.getPropertyNameForPropertyNameNode(declName);
+                return ts.unescapeLeadingUnderscores(ts.getPropertyNameForPropertyNameNode(declName));
             }
             switch (node.kind) {
                 case 186:
                 case 187:
                 case 199:
                     return getFunctionOrClassName(node);
-                case 291:
+                case 283:
                     return getJSDocTypedefTagName(node);
                 default:
                     return undefined;
@@ -66952,7 +67848,7 @@ var ts;
                     return "()";
                 case 157:
                     return "[]";
-                case 291:
+                case 283:
                     return getJSDocTypedefTagName(node);
                 default:
                     return "<unknown>";
@@ -66999,7 +67895,7 @@ var ts;
                     case 233:
                     case 265:
                     case 231:
-                    case 291:
+                    case 283:
                         return true;
                     case 152:
                     case 151:
@@ -67084,10 +67980,10 @@ var ts;
                 return ts.getTextOfNode(moduleDeclaration.name);
             }
             var result = [];
-            result.push(moduleDeclaration.name.text);
+            result.push(ts.getTextOfIdentifierOrLiteral(moduleDeclaration.name));
             while (moduleDeclaration.body && moduleDeclaration.body.kind === 233) {
                 moduleDeclaration = moduleDeclaration.body;
-                result.push(moduleDeclaration.name.text);
+                result.push(ts.getTextOfIdentifierOrLiteral(moduleDeclaration.name));
             }
             return result.join(".");
         }
@@ -67147,7 +68043,7 @@ var ts;
                         textSpan: ts.createTextSpanFromBounds(startElement.pos, endElement.end),
                         hintSpan: ts.createTextSpanFromNode(hintSpanNode, sourceFile),
                         bannerText: collapseText,
-                        autoCollapse: autoCollapse
+                        autoCollapse: autoCollapse,
                     };
                     elements.push(span_13);
                 }
@@ -67158,7 +68054,7 @@ var ts;
                         textSpan: ts.createTextSpanFromBounds(commentSpan.pos, commentSpan.end),
                         hintSpan: ts.createTextSpanFromBounds(commentSpan.pos, commentSpan.end),
                         bannerText: collapseText,
-                        autoCollapse: autoCollapse
+                        autoCollapse: autoCollapse,
                     };
                     elements.push(span_14);
                 }
@@ -67170,8 +68066,8 @@ var ts;
                     var lastSingleLineCommentEnd = -1;
                     var isFirstSingleLineComment = true;
                     var singleLineCommentCount = 0;
-                    for (var _i = 0, comments_4 = comments; _i < comments_4.length; _i++) {
-                        var currentComment = comments_4[_i];
+                    for (var _i = 0, comments_3 = comments; _i < comments_3.length; _i++) {
+                        var currentComment = comments_3[_i];
                         cancellationToken.throwIfCancellationRequested();
                         if (currentComment.kind === 2) {
                             if (isFirstSingleLineComment) {
@@ -67737,13 +68633,9 @@ var ts;
             });
         }
         function getFileReference() {
-            var file = ts.scanner.getTokenValue();
+            var fileName = ts.scanner.getTokenValue();
             var pos = ts.scanner.getTokenPos();
-            return {
-                fileName: file,
-                pos: pos,
-                end: pos + file.length
-            };
+            return { fileName: fileName, pos: pos, end: pos + fileName.length };
         }
         function recordAmbientExternalModule() {
             if (!ambientExternalModules) {
@@ -68034,7 +68926,7 @@ var ts;
                     return getRenameInfoError(ts.Diagnostics.You_cannot_rename_elements_that_are_defined_in_the_standard_TypeScript_library);
                 }
                 var displayName = ts.stripQuotes(node.text);
-                return getRenameInfoSuccess(displayName, displayName, ts.ScriptElementKind.variableElement, ts.ScriptElementKindModifier.none, node, sourceFile);
+                return getRenameInfoSuccess(displayName, displayName, "var", "", node, sourceFile);
             }
         }
         function getRenameInfoSuccess(displayName, fullDisplayName, kind, kindModifiers, node, sourceFile) {
@@ -68080,7 +68972,6 @@ var ts;
 (function (ts) {
     var SignatureHelp;
     (function (SignatureHelp) {
-        var emptyArray = [];
         var ArgumentListKind;
         (function (ArgumentListKind) {
             ArgumentListKind[ArgumentListKind["TypeArguments"] = 0] = "TypeArguments";
@@ -68095,13 +68986,12 @@ var ts;
                 return undefined;
             }
             var argumentInfo = getContainingArgumentInfo(startingToken, position, sourceFile);
-            cancellationToken.throwIfCancellationRequested();
-            if (!argumentInfo) {
+            if (!argumentInfo)
                 return undefined;
-            }
+            cancellationToken.throwIfCancellationRequested();
             var call = argumentInfo.invocation;
             var candidates = [];
-            var resolvedSignature = typeChecker.getResolvedSignature(call, candidates);
+            var resolvedSignature = typeChecker.getResolvedSignature(call, candidates, argumentInfo.argumentCount);
             cancellationToken.throwIfCancellationRequested();
             if (!candidates.length) {
                 if (ts.isSourceFileJavaScript(sourceFile)) {
@@ -68123,7 +69013,7 @@ var ts;
                 : expression.kind === 179
                     ? expression.name
                     : undefined;
-            if (!name || !name.text) {
+            if (!name || !name.escapedText) {
                 return undefined;
             }
             var typeChecker = program.getTypeChecker();
@@ -68132,8 +69022,8 @@ var ts;
                 var nameToDeclarations = sourceFile.getNamedDeclarations();
                 var declarations = nameToDeclarations.get(name.text);
                 if (declarations) {
-                    for (var _b = 0, declarations_13 = declarations; _b < declarations_13.length; _b++) {
-                        var declaration = declarations_13[_b];
+                    for (var _b = 0, declarations_12 = declarations; _b < declarations_12.length; _b++) {
+                        var declaration = declarations_12[_b];
                         var symbol = declaration.symbol;
                         if (symbol) {
                             var type = typeChecker.getTypeOfSymbolAtLocation(symbol, declaration);
@@ -68150,36 +69040,27 @@ var ts;
         }
         function getImmediatelyContainingArgumentInfo(node, position, sourceFile) {
             if (ts.isCallOrNewExpression(node.parent)) {
-                var callExpression = node.parent;
-                if (node.kind === 27 ||
-                    node.kind === 19) {
-                    var list = getChildListThatStartsWithOpenerToken(callExpression, node, sourceFile);
-                    var isTypeArgList = callExpression.typeArguments && callExpression.typeArguments.pos === list.pos;
+                var invocation = node.parent;
+                var list = void 0;
+                var argumentIndex = void 0;
+                if (node.kind === 27 || node.kind === 19) {
+                    list = getChildListThatStartsWithOpenerToken(invocation, node, sourceFile);
                     ts.Debug.assert(list !== undefined);
-                    return {
-                        kind: isTypeArgList ? 0 : 1,
-                        invocation: callExpression,
-                        argumentsSpan: getApplicableSpanForArguments(list, sourceFile),
-                        argumentIndex: 0,
-                        argumentCount: getArgumentCount(list)
-                    };
+                    argumentIndex = 0;
                 }
-                var listItemInfo = ts.findListItemInfo(node);
-                if (listItemInfo) {
-                    var list = listItemInfo.list;
-                    var isTypeArgList = callExpression.typeArguments && callExpression.typeArguments.pos === list.pos;
-                    var argumentIndex = getArgumentIndex(list, node);
-                    var argumentCount = getArgumentCount(list);
-                    ts.Debug.assert(argumentIndex === 0 || argumentIndex < argumentCount, "argumentCount < argumentIndex, " + argumentCount + " < " + argumentIndex);
-                    return {
-                        kind: isTypeArgList ? 0 : 1,
-                        invocation: callExpression,
-                        argumentsSpan: getApplicableSpanForArguments(list, sourceFile),
-                        argumentIndex: argumentIndex,
-                        argumentCount: argumentCount
-                    };
+                else {
+                    list = ts.findContainingList(node);
+                    if (!list)
+                        return undefined;
+                    argumentIndex = getArgumentIndex(list, node);
                 }
-                return undefined;
+                var kind = invocation.typeArguments && invocation.typeArguments.pos === list.pos ? 0 : 1;
+                var argumentCount = getArgumentCount(list);
+                if (argumentIndex !== 0) {
+                    ts.Debug.assertLessThan(argumentIndex, argumentCount);
+                }
+                var argumentsSpan = getApplicableSpanForArguments(list, sourceFile);
+                return { kind: kind, invocation: invocation, argumentsSpan: argumentsSpan, argumentIndex: argumentIndex, argumentCount: argumentCount };
             }
             else if (node.kind === 13 && node.parent.kind === 183) {
                 if (ts.isInsideTemplateLiteral(node, position)) {
@@ -68255,7 +69136,9 @@ var ts;
             var argumentCount = tagExpression.template.kind === 13
                 ? 1
                 : tagExpression.template.templateSpans.length + 1;
-            ts.Debug.assert(argumentIndex === 0 || argumentIndex < argumentCount, "argumentCount < argumentIndex, " + argumentCount + " < " + argumentIndex);
+            if (argumentIndex !== 0) {
+                ts.Debug.assertLessThan(argumentIndex, argumentCount);
+            }
             return {
                 kind: 2,
                 invocation: tagExpression,
@@ -68303,25 +69186,9 @@ var ts;
             ts.Debug.assert(indexOfOpenerToken >= 0 && children.length > indexOfOpenerToken + 1);
             return children[indexOfOpenerToken + 1];
         }
-        function selectBestInvalidOverloadIndex(candidates, argumentCount) {
-            var maxParamsSignatureIndex = -1;
-            var maxParams = -1;
-            for (var i = 0; i < candidates.length; i++) {
-                var candidate = candidates[i];
-                if (candidate.hasRestParameter || candidate.parameters.length >= argumentCount) {
-                    return i;
-                }
-                if (candidate.parameters.length > maxParams) {
-                    maxParams = candidate.parameters.length;
-                    maxParamsSignatureIndex = i;
-                }
-            }
-            return maxParamsSignatureIndex;
-        }
-        function createSignatureHelpItems(candidates, bestSignature, argumentListInfo, typeChecker) {
-            var applicableSpan = argumentListInfo.argumentsSpan;
+        function createSignatureHelpItems(candidates, resolvedSignature, argumentListInfo, typeChecker) {
+            var argumentCount = argumentListInfo.argumentCount, applicableSpan = argumentListInfo.argumentsSpan, invocation = argumentListInfo.invocation, argumentIndex = argumentListInfo.argumentIndex;
             var isTypeParameterList = argumentListInfo.kind === 0;
-            var invocation = argumentListInfo.invocation;
             var callTarget = ts.getInvokedExpression(invocation);
             var callTargetSymbol = typeChecker.getSymbolAtLocation(callTarget);
             var callTargetDisplayParts = callTargetSymbol && ts.symbolToDisplayParts(typeChecker, callTargetSymbol, undefined, undefined);
@@ -68336,8 +69203,8 @@ var ts;
                 if (isTypeParameterList) {
                     isVariadic = false;
                     prefixDisplayParts.push(ts.punctuationPart(27));
-                    var typeParameters = candidateSignature.typeParameters;
-                    signatureHelpParameters = typeParameters && typeParameters.length > 0 ? ts.map(typeParameters, createSignatureHelpParameterForTypeParameter) : emptyArray;
+                    var typeParameters = (candidateSignature.target || candidateSignature).typeParameters;
+                    signatureHelpParameters = typeParameters && typeParameters.length > 0 ? ts.map(typeParameters, createSignatureHelpParameterForTypeParameter) : ts.emptyArray;
                     suffixDisplayParts.push(ts.punctuationPart(29));
                     var parameterParts = ts.mapToDisplayParts(function (writer) {
                         return typeChecker.getSymbolDisplayBuilder().buildDisplayForParametersAndDelimiters(candidateSignature.thisParameter, candidateSignature.parameters, writer, invocation);
@@ -68351,8 +69218,7 @@ var ts;
                     });
                     ts.addRange(prefixDisplayParts, typeParameterParts);
                     prefixDisplayParts.push(ts.punctuationPart(19));
-                    var parameters = candidateSignature.parameters;
-                    signatureHelpParameters = parameters.length > 0 ? ts.map(parameters, createSignatureHelpParameterForParameter) : emptyArray;
+                    signatureHelpParameters = ts.map(candidateSignature.parameters, createSignatureHelpParameterForParameter);
                     suffixDisplayParts.push(ts.punctuationPart(20));
                 }
                 var returnTypeParts = ts.mapToDisplayParts(function (writer) {
@@ -68369,20 +69235,12 @@ var ts;
                     tags: candidateSignature.getJsDocTags()
                 };
             });
-            var argumentIndex = argumentListInfo.argumentIndex;
-            var argumentCount = argumentListInfo.argumentCount;
-            var selectedItemIndex = candidates.indexOf(bestSignature);
-            if (selectedItemIndex < 0) {
-                selectedItemIndex = selectBestInvalidOverloadIndex(candidates, argumentCount);
+            if (argumentIndex !== 0) {
+                ts.Debug.assertLessThan(argumentIndex, argumentCount);
             }
-            ts.Debug.assert(argumentIndex === 0 || argumentIndex < argumentCount, "argumentCount < argumentIndex, " + argumentCount + " < " + argumentIndex);
-            return {
-                items: items,
-                applicableSpan: applicableSpan,
-                selectedItemIndex: selectedItemIndex,
-                argumentIndex: argumentIndex,
-                argumentCount: argumentCount
-            };
+            var selectedItemIndex = candidates.indexOf(resolvedSignature);
+            ts.Debug.assert(selectedItemIndex !== -1);
+            return { items: items, applicableSpan: applicableSpan, selectedItemIndex: selectedItemIndex, argumentIndex: argumentIndex, argumentCount: argumentCount };
             function createSignatureHelpParameterForParameter(parameter) {
                 var displayParts = ts.mapToDisplayParts(function (writer) {
                     return typeChecker.getSymbolDisplayBuilder().buildParameterDisplay(parameter, writer, invocation);
@@ -68400,7 +69258,7 @@ var ts;
                 });
                 return {
                     name: typeParameter.symbol.name,
-                    documentation: emptyArray,
+                    documentation: ts.emptyArray,
                     displayParts: displayParts,
                     isOptional: false
                 };
@@ -68413,95 +69271,95 @@ var ts;
     var SymbolDisplay;
     (function (SymbolDisplay) {
         function getSymbolKind(typeChecker, symbol, location) {
-            var flags = symbol.flags;
+            var flags = ts.getCombinedLocalAndExportSymbolFlags(symbol);
             if (flags & 32) {
                 return ts.getDeclarationOfKind(symbol, 199) ?
-                    ts.ScriptElementKind.localClassElement : ts.ScriptElementKind.classElement;
+                    "local class" : "class";
             }
             if (flags & 384)
-                return ts.ScriptElementKind.enumElement;
+                return "enum";
             if (flags & 524288)
-                return ts.ScriptElementKind.typeElement;
+                return "type";
             if (flags & 64)
-                return ts.ScriptElementKind.interfaceElement;
+                return "interface";
             if (flags & 262144)
-                return ts.ScriptElementKind.typeParameterElement;
+                return "type parameter";
             var result = getSymbolKindOfConstructorPropertyMethodAccessorFunctionOrVar(typeChecker, symbol, location);
-            if (result === ts.ScriptElementKind.unknown) {
+            if (result === "") {
                 if (flags & 262144)
-                    return ts.ScriptElementKind.typeParameterElement;
+                    return "type parameter";
                 if (flags & 8)
-                    return ts.ScriptElementKind.enumMemberElement;
-                if (flags & 8388608)
-                    return ts.ScriptElementKind.alias;
+                    return "enum member";
+                if (flags & 2097152)
+                    return "alias";
                 if (flags & 1536)
-                    return ts.ScriptElementKind.moduleElement;
+                    return "module";
             }
             return result;
         }
         SymbolDisplay.getSymbolKind = getSymbolKind;
         function getSymbolKindOfConstructorPropertyMethodAccessorFunctionOrVar(typeChecker, symbol, location) {
             if (typeChecker.isUndefinedSymbol(symbol)) {
-                return ts.ScriptElementKind.variableElement;
+                return "var";
             }
             if (typeChecker.isArgumentsSymbol(symbol)) {
-                return ts.ScriptElementKind.localVariableElement;
+                return "local var";
             }
             if (location.kind === 99 && ts.isExpression(location)) {
-                return ts.ScriptElementKind.parameterElement;
+                return "parameter";
             }
-            var flags = symbol.flags;
+            var flags = ts.getCombinedLocalAndExportSymbolFlags(symbol);
             if (flags & 3) {
                 if (ts.isFirstDeclarationOfSymbolParameter(symbol)) {
-                    return ts.ScriptElementKind.parameterElement;
+                    return "parameter";
                 }
                 else if (symbol.valueDeclaration && ts.isConst(symbol.valueDeclaration)) {
-                    return ts.ScriptElementKind.constElement;
+                    return "const";
                 }
                 else if (ts.forEach(symbol.declarations, ts.isLet)) {
-                    return ts.ScriptElementKind.letElement;
+                    return "let";
                 }
-                return isLocalVariableOrFunction(symbol) ? ts.ScriptElementKind.localVariableElement : ts.ScriptElementKind.variableElement;
+                return isLocalVariableOrFunction(symbol) ? "local var" : "var";
             }
             if (flags & 16)
-                return isLocalVariableOrFunction(symbol) ? ts.ScriptElementKind.localFunctionElement : ts.ScriptElementKind.functionElement;
+                return isLocalVariableOrFunction(symbol) ? "local function" : "function";
             if (flags & 32768)
-                return ts.ScriptElementKind.memberGetAccessorElement;
+                return "getter";
             if (flags & 65536)
-                return ts.ScriptElementKind.memberSetAccessorElement;
+                return "setter";
             if (flags & 8192)
-                return ts.ScriptElementKind.memberFunctionElement;
+                return "method";
             if (flags & 16384)
-                return ts.ScriptElementKind.constructorImplementationElement;
+                return "constructor";
             if (flags & 4) {
-                if (flags & 134217728 && symbol.checkFlags & 6) {
+                if (flags & 33554432 && symbol.checkFlags & 6) {
                     var unionPropertyKind = ts.forEach(typeChecker.getRootSymbols(symbol), function (rootSymbol) {
                         var rootSymbolFlags = rootSymbol.getFlags();
                         if (rootSymbolFlags & (98308 | 3)) {
-                            return ts.ScriptElementKind.memberVariableElement;
+                            return "property";
                         }
                         ts.Debug.assert(!!(rootSymbolFlags & 8192));
                     });
                     if (!unionPropertyKind) {
                         var typeOfUnionProperty = typeChecker.getTypeOfSymbolAtLocation(symbol, location);
                         if (typeOfUnionProperty.getCallSignatures().length) {
-                            return ts.ScriptElementKind.memberFunctionElement;
+                            return "method";
                         }
-                        return ts.ScriptElementKind.memberVariableElement;
+                        return "property";
                     }
                     return unionPropertyKind;
                 }
                 if (location.parent && ts.isJsxAttribute(location.parent)) {
-                    return ts.ScriptElementKind.jsxAttribute;
+                    return "JSX attribute";
                 }
-                return ts.ScriptElementKind.memberVariableElement;
+                return "property";
             }
-            return ts.ScriptElementKind.unknown;
+            return "";
         }
         function getSymbolModifiers(symbol) {
             return symbol && symbol.declarations && symbol.declarations.length > 0
                 ? ts.getNodeModifiers(symbol.declarations[0])
-                : ts.ScriptElementKindModifier.none;
+                : "";
         }
         SymbolDisplay.getSymbolModifiers = getSymbolModifiers;
         function getSymbolDisplayPartsDocumentationAndSymbolKind(typeChecker, symbol, sourceFile, enclosingDeclaration, location, semanticMeaning) {
@@ -68509,17 +69367,17 @@ var ts;
             var displayParts = [];
             var documentation;
             var tags;
-            var symbolFlags = symbol.flags;
+            var symbolFlags = ts.getCombinedLocalAndExportSymbolFlags(symbol);
             var symbolKind = getSymbolKindOfConstructorPropertyMethodAccessorFunctionOrVar(typeChecker, symbol, location);
             var hasAddedSymbolInfo;
             var isThisExpression = location.kind === 99 && ts.isExpression(location);
             var type;
-            if (symbolKind !== ts.ScriptElementKind.unknown || symbolFlags & 32 || symbolFlags & 8388608) {
-                if (symbolKind === ts.ScriptElementKind.memberGetAccessorElement || symbolKind === ts.ScriptElementKind.memberSetAccessorElement) {
-                    symbolKind = ts.ScriptElementKind.memberVariableElement;
+            if (symbolKind !== "" || symbolFlags & 32 || symbolFlags & 2097152) {
+                if (symbolKind === "getter" || symbolKind === "setter") {
+                    symbolKind = "property";
                 }
                 var signature = void 0;
-                type = isThisExpression ? typeChecker.getTypeAtLocation(location) : typeChecker.getTypeOfSymbolAtLocation(symbol, location);
+                type = isThisExpression ? typeChecker.getTypeAtLocation(location) : typeChecker.getTypeOfSymbolAtLocation(symbol.exportSymbol || symbol, location);
                 if (type) {
                     if (location.parent && location.parent.kind === 179) {
                         var right = location.parent.name;
@@ -68550,11 +69408,11 @@ var ts;
                         }
                         if (signature) {
                             if (useConstructSignatures && (symbolFlags & 32)) {
-                                symbolKind = ts.ScriptElementKind.constructorImplementationElement;
+                                symbolKind = "constructor";
                                 addPrefixForAnyFunctionOrVar(type.symbol, symbolKind);
                             }
-                            else if (symbolFlags & 8388608) {
-                                symbolKind = ts.ScriptElementKind.alias;
+                            else if (symbolFlags & 2097152) {
+                                symbolKind = "alias";
                                 pushTypePart(symbolKind);
                                 displayParts.push(ts.spacePart());
                                 if (useConstructSignatures) {
@@ -68567,13 +69425,13 @@ var ts;
                                 addPrefixForAnyFunctionOrVar(symbol, symbolKind);
                             }
                             switch (symbolKind) {
-                                case ts.ScriptElementKind.jsxAttribute:
-                                case ts.ScriptElementKind.memberVariableElement:
-                                case ts.ScriptElementKind.variableElement:
-                                case ts.ScriptElementKind.constElement:
-                                case ts.ScriptElementKind.letElement:
-                                case ts.ScriptElementKind.parameterElement:
-                                case ts.ScriptElementKind.localVariableElement:
+                                case "JSX attribute":
+                                case "property":
+                                case "var":
+                                case "const":
+                                case "let":
+                                case "parameter":
+                                case "local var":
                                     displayParts.push(ts.punctuationPart(56));
                                     displayParts.push(ts.spacePart());
                                     if (useConstructSignatures) {
@@ -68591,10 +69449,10 @@ var ts;
                             hasAddedSymbolInfo = true;
                         }
                     }
-                    else if ((ts.isNameOfFunctionDeclaration(location) && !(symbol.flags & 98304)) ||
+                    else if ((ts.isNameOfFunctionDeclaration(location) && !(symbolFlags & 98304)) ||
                         (location.kind === 123 && location.parent.kind === 152)) {
                         var functionDeclaration_1 = location.parent;
-                        var locationIsSymbolDeclaration = ts.findDeclaration(symbol, function (declaration) {
+                        var locationIsSymbolDeclaration = ts.find(symbol.declarations, function (declaration) {
                             return declaration === (location.kind === 123 ? functionDeclaration_1.parent : functionDeclaration_1);
                         });
                         if (locationIsSymbolDeclaration) {
@@ -68606,7 +69464,7 @@ var ts;
                                 signature = allSignatures[0];
                             }
                             if (functionDeclaration_1.kind === 152) {
-                                symbolKind = ts.ScriptElementKind.constructorImplementationElement;
+                                symbolKind = "constructor";
                                 addPrefixForAnyFunctionOrVar(type.symbol, symbolKind);
                             }
                             else {
@@ -68621,7 +69479,7 @@ var ts;
             }
             if (symbolFlags & 32 && !hasAddedSymbolInfo && !isThisExpression) {
                 if (ts.getDeclarationOfKind(symbol, 199)) {
-                    pushTypePart(ts.ScriptElementKind.localClassElement);
+                    pushTypePart("local class");
                 }
                 else {
                     displayParts.push(ts.keywordPart(75));
@@ -68706,7 +69564,7 @@ var ts;
                 }
             }
             if (symbolFlags & 8) {
-                symbolKind = ts.ScriptElementKind.enumMemberElement;
+                symbolKind = "enum member";
                 addPrefixForAnyFunctionOrVar(symbol, "enum member");
                 var declaration = symbol.declarations[0];
                 if (declaration.kind === 264) {
@@ -68719,7 +69577,7 @@ var ts;
                     }
                 }
             }
-            if (symbolFlags & 8388608) {
+            if (symbolFlags & 2097152) {
                 addNewLineIfDisplayPartsExist();
                 if (symbol.declarations[0].kind === 236) {
                     displayParts.push(ts.keywordPart(84));
@@ -68757,7 +69615,7 @@ var ts;
                 });
             }
             if (!hasAddedSymbolInfo) {
-                if (symbolKind !== ts.ScriptElementKind.unknown) {
+                if (symbolKind !== "") {
                     if (type) {
                         if (isThisExpression) {
                             addNewLineIfDisplayPartsExist();
@@ -68766,10 +69624,10 @@ var ts;
                         else {
                             addPrefixForAnyFunctionOrVar(symbol, symbolKind);
                         }
-                        if (symbolKind === ts.ScriptElementKind.memberVariableElement ||
-                            symbolKind === ts.ScriptElementKind.jsxAttribute ||
+                        if (symbolKind === "property" ||
+                            symbolKind === "JSX attribute" ||
                             symbolFlags & 3 ||
-                            symbolKind === ts.ScriptElementKind.localVariableElement ||
+                            symbolKind === "local var" ||
                             isThisExpression) {
                             displayParts.push(ts.punctuationPart(56));
                             displayParts.push(ts.spacePart());
@@ -68788,7 +69646,7 @@ var ts;
                             symbolFlags & 16384 ||
                             symbolFlags & 131072 ||
                             symbolFlags & 98304 ||
-                            symbolKind === ts.ScriptElementKind.memberFunctionElement) {
+                            symbolKind === "method") {
                             var allSignatures = type.getNonNullableType().getCallSignatures();
                             addSignatureDisplayParts(allSignatures[0], allSignatures);
                         }
@@ -68801,7 +69659,7 @@ var ts;
             if (!documentation) {
                 documentation = symbol.getDocumentationComment();
                 tags = symbol.getJsDocTags();
-                if (documentation.length === 0 && symbol.flags & 4) {
+                if (documentation.length === 0 && symbolFlags & 4) {
                     if (symbol.parent && ts.forEach(symbol.parent.declarations, function (declaration) { return declaration.kind === 265; })) {
                         for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) {
                             var declaration = _a[_i];
@@ -68846,11 +69704,11 @@ var ts;
             }
             function pushTypePart(symbolKind) {
                 switch (symbolKind) {
-                    case ts.ScriptElementKind.variableElement:
-                    case ts.ScriptElementKind.functionElement:
-                    case ts.ScriptElementKind.letElement:
-                    case ts.ScriptElementKind.constElement:
-                    case ts.ScriptElementKind.constructorImplementationElement:
+                    case "var":
+                    case "function":
+                    case "let":
+                    case "const":
+                    case "constructor":
                         displayParts.push(ts.textOrKeywordPart(symbolKind));
                         return;
                     default:
@@ -68938,11 +69796,11 @@ var ts;
             getSourceFile: function (fileName) { return fileName === ts.normalizePath(inputFileName) ? sourceFile : undefined; },
             writeFile: function (name, text) {
                 if (ts.fileExtensionIs(name, ".map")) {
-                    ts.Debug.assert(sourceMapText === undefined, "Unexpected multiple source map outputs for the file '" + name + "'");
+                    ts.Debug.assertEqual(sourceMapText, undefined, "Unexpected multiple source map outputs, file:", name);
                     sourceMapText = text;
                 }
                 else {
-                    ts.Debug.assert(outputText === undefined, "Unexpected multiple outputs for the file: '" + name + "'");
+                    ts.Debug.assertEqual(outputText, undefined, "Unexpected multiple outputs, file:", name);
                     outputText = text;
                 }
             },
@@ -68977,8 +69835,8 @@ var ts;
         commandLineOptionsStringToEnum = commandLineOptionsStringToEnum || ts.filter(ts.optionDeclarations, function (o) {
             return typeof o.type === "object" && !ts.forEachEntry(o.type, function (v) { return typeof v !== "number"; });
         });
-        options = ts.clone(options);
-        var _loop_6 = function (opt) {
+        options = ts.cloneCompilerOptions(options);
+        var _loop_7 = function (opt) {
             if (!ts.hasProperty(options, opt.name)) {
                 return "continue";
             }
@@ -68994,7 +69852,7 @@ var ts;
         };
         for (var _i = 0, commandLineOptionsStringToEnum_1 = commandLineOptionsStringToEnum; _i < commandLineOptionsStringToEnum_1.length; _i++) {
             var opt = commandLineOptionsStringToEnum_1[_i];
-            _loop_6(opt);
+            _loop_7(opt);
         }
         return options;
     }
@@ -69198,11 +70056,7 @@ var ts;
                         break;
                     }
                 }
-                lastTokenInfo = {
-                    leadingTrivia: leadingTrivia,
-                    trailingTrivia: trailingTrivia,
-                    token: token
-                };
+                lastTokenInfo = { leadingTrivia: leadingTrivia, trailingTrivia: trailingTrivia, token: token };
                 return fixTokenKind(lastTokenInfo, n);
             }
             function isOnToken() {
@@ -69319,7 +70173,8 @@ var ts;
             FormattingRequestKind[FormattingRequestKind["FormatSelection"] = 1] = "FormatSelection";
             FormattingRequestKind[FormattingRequestKind["FormatOnEnter"] = 2] = "FormatOnEnter";
             FormattingRequestKind[FormattingRequestKind["FormatOnSemicolon"] = 3] = "FormatOnSemicolon";
-            FormattingRequestKind[FormattingRequestKind["FormatOnClosingCurlyBrace"] = 4] = "FormatOnClosingCurlyBrace";
+            FormattingRequestKind[FormattingRequestKind["FormatOnOpeningCurlyBrace"] = 4] = "FormatOnOpeningCurlyBrace";
+            FormattingRequestKind[FormattingRequestKind["FormatOnClosingCurlyBrace"] = 5] = "FormatOnClosingCurlyBrace";
         })(FormattingRequestKind = formatting.FormattingRequestKind || (formatting.FormattingRequestKind = {}));
     })(formatting = ts.formatting || (ts.formatting = {}));
 })(ts || (ts = {}));
@@ -69479,11 +70334,11 @@ var ts;
                 this.NoSpaceBeforeOpenBracket = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.AnyExcept(120), 21), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8));
                 this.NoSpaceAfterCloseBracket = new formatting.Rule(formatting.RuleDescriptor.create3(22, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsNotBeforeBlockInFunctionDeclarationContext), 8));
                 this.FunctionOpenBraceLeftTokenRange = formatting.Shared.TokenRange.AnyIncludingMultilineComments;
-                this.SpaceBeforeOpenBraceInFunction = new formatting.Rule(formatting.RuleDescriptor.create2(this.FunctionOpenBraceLeftTokenRange, 17), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclContext, Rules.IsBeforeBlockContext, Rules.IsNotFormatOnEnter, Rules.IsSameLineTokenOrBeforeMultilineBlockContext), 2), 1);
+                this.SpaceBeforeOpenBraceInFunction = new formatting.Rule(formatting.RuleDescriptor.create2(this.FunctionOpenBraceLeftTokenRange, 17), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.isOptionDisabledOrUndefinedOrTokensOnSameLine("placeOpenBraceOnNewLineForFunctions"), Rules.IsFunctionDeclContext, Rules.IsBeforeBlockContext, Rules.IsNotFormatOnEnter, Rules.IsSameLineTokenOrBeforeBlockContext), 2), 1);
                 this.TypeScriptOpenBraceLeftTokenRange = formatting.Shared.TokenRange.FromTokens([71, 3, 75, 84, 91]);
-                this.SpaceBeforeOpenBraceInTypeScriptDeclWithBlock = new formatting.Rule(formatting.RuleDescriptor.create2(this.TypeScriptOpenBraceLeftTokenRange, 17), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsTypeScriptDeclWithBlockContext, Rules.IsNotFormatOnEnter, Rules.IsSameLineTokenOrBeforeMultilineBlockContext), 2), 1);
+                this.SpaceBeforeOpenBraceInTypeScriptDeclWithBlock = new formatting.Rule(formatting.RuleDescriptor.create2(this.TypeScriptOpenBraceLeftTokenRange, 17), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.isOptionDisabledOrUndefinedOrTokensOnSameLine("placeOpenBraceOnNewLineForFunctions"), Rules.IsTypeScriptDeclWithBlockContext, Rules.IsNotFormatOnEnter, Rules.IsSameLineTokenOrBeforeBlockContext), 2), 1);
                 this.ControlOpenBraceLeftTokenRange = formatting.Shared.TokenRange.FromTokens([20, 3, 81, 102, 87, 82]);
-                this.SpaceBeforeOpenBraceInControl = new formatting.Rule(formatting.RuleDescriptor.create2(this.ControlOpenBraceLeftTokenRange, 17), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsControlDeclContext, Rules.IsNotFormatOnEnter, Rules.IsSameLineTokenOrBeforeMultilineBlockContext), 2), 1);
+                this.SpaceBeforeOpenBraceInControl = new formatting.Rule(formatting.RuleDescriptor.create2(this.ControlOpenBraceLeftTokenRange, 17), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.isOptionDisabledOrUndefinedOrTokensOnSameLine("placeOpenBraceOnNewLineForControlBlocks"), Rules.IsControlDeclContext, Rules.IsNotFormatOnEnter, Rules.IsSameLineTokenOrBeforeBlockContext), 2), 1);
                 this.SpaceAfterOpenBrace = new formatting.Rule(formatting.RuleDescriptor.create3(17, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsOptionEnabledOrUndefined("insertSpaceAfterOpeningAndBeforeClosingNonemptyBraces"), Rules.IsBraceWrappedContext), 2));
                 this.SpaceBeforeCloseBrace = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 18), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsOptionEnabledOrUndefined("insertSpaceAfterOpeningAndBeforeClosingNonemptyBraces"), Rules.IsBraceWrappedContext), 2));
                 this.NoSpaceAfterOpenBrace = new formatting.Rule(formatting.RuleDescriptor.create3(17, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsOptionDisabled("insertSpaceAfterOpeningAndBeforeClosingNonemptyBraces"), Rules.IsNonJsxSameLineTokenContext), 8));
@@ -69564,6 +70419,7 @@ var ts;
                 this.NoSpaceAfterSemicolonInFor = new formatting.Rule(formatting.RuleDescriptor.create3(25, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsOptionDisabledOrUndefined("insertSpaceAfterSemicolonInForStatements"), Rules.IsNonJsxSameLineTokenContext, Rules.IsForContext), 8));
                 this.SpaceAfterOpenParen = new formatting.Rule(formatting.RuleDescriptor.create3(19, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsOptionEnabled("insertSpaceAfterOpeningAndBeforeClosingNonemptyParenthesis"), Rules.IsNonJsxSameLineTokenContext), 2));
                 this.SpaceBeforeCloseParen = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 20), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsOptionEnabled("insertSpaceAfterOpeningAndBeforeClosingNonemptyParenthesis"), Rules.IsNonJsxSameLineTokenContext), 2));
+                this.SpaceBetweenOpenParens = new formatting.Rule(formatting.RuleDescriptor.create1(19, 19), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsOptionEnabled("insertSpaceAfterOpeningAndBeforeClosingNonemptyParenthesis"), Rules.IsNonJsxSameLineTokenContext), 2));
                 this.NoSpaceBetweenParens = new formatting.Rule(formatting.RuleDescriptor.create1(19, 20), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8));
                 this.NoSpaceAfterOpenParen = new formatting.Rule(formatting.RuleDescriptor.create3(19, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsOptionDisabledOrUndefined("insertSpaceAfterOpeningAndBeforeClosingNonemptyParenthesis"), Rules.IsNonJsxSameLineTokenContext), 8));
                 this.NoSpaceBeforeCloseParen = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 20), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsOptionDisabledOrUndefined("insertSpaceAfterOpeningAndBeforeClosingNonemptyParenthesis"), Rules.IsNonJsxSameLineTokenContext), 8));
@@ -69635,7 +70491,7 @@ var ts;
                     this.SpaceAfterComma, this.NoSpaceAfterComma,
                     this.SpaceAfterAnonymousFunctionKeyword, this.NoSpaceAfterAnonymousFunctionKeyword,
                     this.SpaceAfterKeywordInControl, this.NoSpaceAfterKeywordInControl,
-                    this.SpaceAfterOpenParen, this.SpaceBeforeCloseParen, this.NoSpaceBetweenParens, this.NoSpaceAfterOpenParen, this.NoSpaceBeforeCloseParen,
+                    this.SpaceAfterOpenParen, this.SpaceBeforeCloseParen, this.SpaceBetweenOpenParens, this.NoSpaceBetweenParens, this.NoSpaceAfterOpenParen, this.NoSpaceBeforeCloseParen,
                     this.SpaceAfterOpenBracket, this.SpaceBeforeCloseBracket, this.NoSpaceBetweenBrackets, this.NoSpaceAfterOpenBracket, this.NoSpaceBeforeCloseBracket,
                     this.SpaceAfterOpenBrace, this.SpaceBeforeCloseBrace, this.NoSpaceBetweenEmptyBraceBrackets, this.NoSpaceAfterOpenBrace, this.NoSpaceBeforeCloseBrace,
                     this.SpaceAfterTemplateHeadAndMiddle, this.SpaceBeforeTemplateMiddleAndTail, this.NoSpaceAfterTemplateHeadAndMiddle, this.NoSpaceBeforeTemplateMiddleAndTail,
@@ -69675,6 +70531,9 @@ var ts;
             Rules.IsOptionDisabledOrUndefined = function (optionName) {
                 return function (context) { return !context.options || !context.options.hasOwnProperty(optionName) || !context.options[optionName]; };
             };
+            Rules.isOptionDisabledOrUndefinedOrTokensOnSameLine = function (optionName) {
+                return function (context) { return !context.options || !context.options.hasOwnProperty(optionName) || !context.options[optionName] || context.TokensAreOnSameLine(); };
+            };
             Rules.IsOptionEnabledOrUndefined = function (optionName) {
                 return function (context) { return !context.options || !context.options.hasOwnProperty(optionName) || !!context.options[optionName]; };
             };
@@ -69718,8 +70577,8 @@ var ts;
             Rules.IsConditionalOperatorContext = function (context) {
                 return context.contextNode.kind === 195;
             };
-            Rules.IsSameLineTokenOrBeforeMultilineBlockContext = function (context) {
-                return context.TokensAreOnSameLine() || Rules.IsBeforeMultilineBlockContext(context);
+            Rules.IsSameLineTokenOrBeforeBlockContext = function (context) {
+                return context.TokensAreOnSameLine() || Rules.IsBeforeBlockContext(context);
             };
             Rules.IsBraceWrappedContext = function (context) {
                 return context.contextNode.kind === 174 || Rules.IsSingleLineBlockContext(context);
@@ -69801,8 +70660,7 @@ var ts;
                         return true;
                     case 207: {
                         var blockParent = context.currentTokenParent.parent;
-                        if (blockParent.kind !== 187 &&
-                            blockParent.kind !== 186) {
+                        if (!blockParent || blockParent.kind !== 187 && blockParent.kind !== 186) {
                             return true;
                         }
                     }
@@ -70265,11 +71123,27 @@ var ts;
         }
         formatting.formatOnEnter = formatOnEnter;
         function formatOnSemicolon(position, sourceFile, rulesProvider, options) {
-            return formatOutermostParent(position, 25, sourceFile, options, rulesProvider, 3);
+            var semicolon = findImmediatelyPrecedingTokenOfKind(position, 25, sourceFile);
+            return formatNodeLines(findOutermostNodeWithinListLevel(semicolon), sourceFile, options, rulesProvider, 3);
         }
         formatting.formatOnSemicolon = formatOnSemicolon;
+        function formatOnOpeningCurly(position, sourceFile, rulesProvider, options) {
+            var openingCurly = findImmediatelyPrecedingTokenOfKind(position, 17, sourceFile);
+            if (!openingCurly) {
+                return [];
+            }
+            var curlyBraceRange = openingCurly.parent;
+            var outermostNode = findOutermostNodeWithinListLevel(curlyBraceRange);
+            var textRange = {
+                pos: ts.getLineStartPositionForPosition(outermostNode.getStart(sourceFile), sourceFile),
+                end: position
+            };
+            return formatSpan(textRange, sourceFile, options, rulesProvider, 4);
+        }
+        formatting.formatOnOpeningCurly = formatOnOpeningCurly;
         function formatOnClosingCurly(position, sourceFile, rulesProvider, options) {
-            return formatOutermostParent(position, 18, sourceFile, options, rulesProvider, 4);
+            var precedingToken = findImmediatelyPrecedingTokenOfKind(position, 18, sourceFile);
+            return formatNodeLines(findOutermostNodeWithinListLevel(precedingToken), sourceFile, options, rulesProvider, 5);
         }
         formatting.formatOnClosingCurly = formatOnClosingCurly;
         function formatDocument(sourceFile, rulesProvider, options) {
@@ -70283,33 +71157,22 @@ var ts;
         function formatSelection(start, end, sourceFile, rulesProvider, options) {
             var span = {
                 pos: ts.getLineStartPositionForPosition(start, sourceFile),
-                end: end
+                end: end,
             };
             return formatSpan(span, sourceFile, options, rulesProvider, 1);
         }
         formatting.formatSelection = formatSelection;
-        function formatOutermostParent(position, expectedLastToken, sourceFile, options, rulesProvider, requestKind) {
-            var parent = findOutermostParent(position, expectedLastToken, sourceFile);
-            if (!parent) {
-                return [];
-            }
-            var span = {
-                pos: ts.getLineStartPositionForPosition(parent.getStart(sourceFile), sourceFile),
-                end: parent.end
-            };
-            return formatSpan(span, sourceFile, options, rulesProvider, requestKind);
+        function findImmediatelyPrecedingTokenOfKind(end, expectedTokenKind, sourceFile) {
+            var precedingToken = ts.findPrecedingToken(end, sourceFile);
+            return precedingToken && precedingToken.kind === expectedTokenKind && end === precedingToken.getEnd() ?
+                precedingToken :
+                undefined;
         }
-        function findOutermostParent(position, expectedTokenKind, sourceFile) {
-            var precedingToken = ts.findPrecedingToken(position, sourceFile);
-            if (!precedingToken ||
-                precedingToken.kind !== expectedTokenKind ||
-                position !== precedingToken.getEnd()) {
-                return undefined;
-            }
-            var current = precedingToken;
+        function findOutermostNodeWithinListLevel(node) {
+            var current = node;
             while (current &&
                 current.parent &&
-                current.parent.end === precedingToken.end &&
+                current.parent.end === node.end &&
                 !isListElement(current.parent, current)) {
                 current = current.parent;
             }
@@ -70406,11 +71269,21 @@ var ts;
             }
             return 0;
         }
-        function formatNode(node, sourceFileLike, languageVariant, initialIndentation, delta, rulesProvider) {
+        function formatNodeGivenIndentation(node, sourceFileLike, languageVariant, initialIndentation, delta, rulesProvider) {
             var range = { pos: 0, end: sourceFileLike.text.length };
             return formatSpanWorker(range, node, initialIndentation, delta, formatting.getFormattingScanner(sourceFileLike.text, languageVariant, range.pos, range.end), rulesProvider.getFormatOptions(), rulesProvider, 1, function (_) { return false; }, sourceFileLike);
         }
-        formatting.formatNode = formatNode;
+        formatting.formatNodeGivenIndentation = formatNodeGivenIndentation;
+        function formatNodeLines(node, sourceFile, options, rulesProvider, requestKind) {
+            if (!node) {
+                return [];
+            }
+            var span = {
+                pos: ts.getLineStartPositionForPosition(node.getStart(sourceFile), sourceFile),
+                end: node.end
+            };
+            return formatSpan(span, sourceFile, options, rulesProvider, requestKind);
+        }
         function formatSpan(originalRange, sourceFile, options, rulesProvider, requestKind) {
             var enclosingNode = findEnclosingNode(originalRange, sourceFile);
             return formatSpanWorker(originalRange, enclosingNode, formatting.SmartIndenter.getIndentationForNode(enclosingNode, originalRange, sourceFile, options), getOwnOrInheritedDelta(enclosingNode, options, sourceFile), formatting.getFormattingScanner(sourceFile.text, sourceFile.languageVariant, getScanStartPosition(enclosingNode, originalRange, sourceFile), originalRange.end), options, rulesProvider, requestKind, prepareRangeContainsErrorFunction(sourceFile.parseDiagnostics, originalRange), sourceFile);
@@ -70637,6 +71510,7 @@ var ts;
                     return inheritedIndentation;
                 }
                 function processChildNodes(nodes, parent, parentStartLine, parentDynamicIndentation) {
+                    ts.Debug.assert(ts.isNodeArray(nodes));
                     var listStartToken = getOpenTokenForList(parent, nodes);
                     var listEndToken = getCloseTokenForOpenToken(listStartToken);
                     var listDynamicIndentation = parentDynamicIndentation;
@@ -71433,15 +72307,21 @@ var ts;
     var textChanges;
     (function (textChanges) {
         function getPos(n) {
-            return n["__pos"];
+            var result = n["__pos"];
+            ts.Debug.assert(typeof result === "number");
+            return result;
         }
         function setPos(n, pos) {
+            ts.Debug.assert(typeof pos === "number");
             n["__pos"] = pos;
         }
         function getEnd(n) {
-            return n["__end"];
+            var result = n["__end"];
+            ts.Debug.assert(typeof result === "number");
+            return result;
         }
         function setEnd(n, end) {
+            ts.Debug.assert(typeof end === "number");
             n["__end"] = end;
         }
         var Position;
@@ -71464,6 +72344,12 @@ var ts;
             }
             return false;
         }
+        var ChangeKind;
+        (function (ChangeKind) {
+            ChangeKind[ChangeKind["Remove"] = 0] = "Remove";
+            ChangeKind[ChangeKind["ReplaceWithSingleNode"] = 1] = "ReplaceWithSingleNode";
+            ChangeKind[ChangeKind["ReplaceWithMultipleNodes"] = 2] = "ReplaceWithMultipleNodes";
+        })(ChangeKind || (ChangeKind = {}));
         function getSeparatorCharacter(separator) {
             return ts.tokenToString(separator.kind);
         }
@@ -71488,7 +72374,7 @@ var ts;
         }
         textChanges.getAdjustedStartPosition = getAdjustedStartPosition;
         function getAdjustedEndPosition(sourceFile, node, options) {
-            if (options.useNonAdjustedEndPosition) {
+            if (options.useNonAdjustedEndPosition || ts.isExpression(node)) {
                 return node.getEnd();
             }
             var end = node.getEnd();
@@ -71508,6 +72394,9 @@ var ts;
             }
             return s;
         }
+        function getNewlineKind(context) {
+            return context.newLineCharacter === "\n" ? 1 : 0;
+        }
         var ChangeTracker = (function () {
             function ChangeTracker(newLine, rulesProvider, validator) {
                 this.newLine = newLine;
@@ -71517,24 +72406,24 @@ var ts;
                 this.newLineCharacter = ts.getNewLineCharacter({ newLine: newLine });
             }
             ChangeTracker.fromCodeFixContext = function (context) {
-                return new ChangeTracker(context.newLineCharacter === "\n" ? 1 : 0, context.rulesProvider);
+                return new ChangeTracker(getNewlineKind(context), context.rulesProvider);
+            };
+            ChangeTracker.prototype.deleteRange = function (sourceFile, range) {
+                this.changes.push({ kind: ChangeKind.Remove, sourceFile: sourceFile, range: range });
+                return this;
             };
             ChangeTracker.prototype.deleteNode = function (sourceFile, node, options) {
                 if (options === void 0) { options = {}; }
                 var startPosition = getAdjustedStartPosition(sourceFile, node, options, Position.FullStart);
                 var endPosition = getAdjustedEndPosition(sourceFile, node, options);
-                this.changes.push({ sourceFile: sourceFile, options: options, range: { pos: startPosition, end: endPosition } });
-                return this;
-            };
-            ChangeTracker.prototype.deleteRange = function (sourceFile, range) {
-                this.changes.push({ sourceFile: sourceFile, range: range });
+                this.changes.push({ kind: ChangeKind.Remove, sourceFile: sourceFile, range: { pos: startPosition, end: endPosition } });
                 return this;
             };
             ChangeTracker.prototype.deleteNodeRange = function (sourceFile, startNode, endNode, options) {
                 if (options === void 0) { options = {}; }
                 var startPosition = getAdjustedStartPosition(sourceFile, startNode, options, Position.FullStart);
                 var endPosition = getAdjustedEndPosition(sourceFile, endNode, options);
-                this.changes.push({ sourceFile: sourceFile, options: options, range: { pos: startPosition, end: endPosition } });
+                this.changes.push({ kind: ChangeKind.Remove, sourceFile: sourceFile, range: { pos: startPosition, end: endPosition } });
                 return this;
             };
             ChangeTracker.prototype.deleteNodeInList = function (sourceFile, node) {
@@ -71570,33 +72459,68 @@ var ts;
             };
             ChangeTracker.prototype.replaceRange = function (sourceFile, range, newNode, options) {
                 if (options === void 0) { options = {}; }
-                this.changes.push({ sourceFile: sourceFile, range: range, options: options, node: newNode });
+                this.changes.push({ kind: ChangeKind.ReplaceWithSingleNode, sourceFile: sourceFile, range: range, options: options, node: newNode });
                 return this;
             };
             ChangeTracker.prototype.replaceNode = function (sourceFile, oldNode, newNode, options) {
                 if (options === void 0) { options = {}; }
                 var startPosition = getAdjustedStartPosition(sourceFile, oldNode, options, Position.Start);
                 var endPosition = getAdjustedEndPosition(sourceFile, oldNode, options);
-                this.changes.push({ sourceFile: sourceFile, options: options, useIndentationFromFile: true, node: newNode, range: { pos: startPosition, end: endPosition } });
-                return this;
+                return this.replaceWithSingle(sourceFile, startPosition, endPosition, newNode, options);
             };
             ChangeTracker.prototype.replaceNodeRange = function (sourceFile, startNode, endNode, newNode, options) {
                 if (options === void 0) { options = {}; }
                 var startPosition = getAdjustedStartPosition(sourceFile, startNode, options, Position.Start);
                 var endPosition = getAdjustedEndPosition(sourceFile, endNode, options);
-                this.changes.push({ sourceFile: sourceFile, options: options, useIndentationFromFile: true, node: newNode, range: { pos: startPosition, end: endPosition } });
+                return this.replaceWithSingle(sourceFile, startPosition, endPosition, newNode, options);
+            };
+            ChangeTracker.prototype.replaceWithSingle = function (sourceFile, startPosition, endPosition, newNode, options) {
+                this.changes.push({
+                    kind: ChangeKind.ReplaceWithSingleNode,
+                    sourceFile: sourceFile,
+                    options: options,
+                    node: newNode,
+                    range: { pos: startPosition, end: endPosition }
+                });
+                return this;
+            };
+            ChangeTracker.prototype.replaceWithMultiple = function (sourceFile, startPosition, endPosition, newNodes, options) {
+                this.changes.push({
+                    kind: ChangeKind.ReplaceWithMultipleNodes,
+                    sourceFile: sourceFile,
+                    options: options,
+                    nodes: newNodes,
+                    range: { pos: startPosition, end: endPosition }
+                });
                 return this;
             };
+            ChangeTracker.prototype.replaceNodeWithNodes = function (sourceFile, oldNode, newNodes, options) {
+                var startPosition = getAdjustedStartPosition(sourceFile, oldNode, options, Position.Start);
+                var endPosition = getAdjustedEndPosition(sourceFile, oldNode, options);
+                return this.replaceWithMultiple(sourceFile, startPosition, endPosition, newNodes, options);
+            };
+            ChangeTracker.prototype.replaceNodesWithNodes = function (sourceFile, oldNodes, newNodes, options) {
+                var startPosition = getAdjustedStartPosition(sourceFile, oldNodes[0], options, Position.Start);
+                var endPosition = getAdjustedEndPosition(sourceFile, ts.lastOrUndefined(oldNodes), options);
+                return this.replaceWithMultiple(sourceFile, startPosition, endPosition, newNodes, options);
+            };
+            ChangeTracker.prototype.replaceRangeWithNodes = function (sourceFile, range, newNodes, options) {
+                return this.replaceWithMultiple(sourceFile, range.pos, range.end, newNodes, options);
+            };
+            ChangeTracker.prototype.replaceNodeRangeWithNodes = function (sourceFile, startNode, endNode, newNodes, options) {
+                var startPosition = getAdjustedStartPosition(sourceFile, startNode, options, Position.Start);
+                var endPosition = getAdjustedEndPosition(sourceFile, endNode, options);
+                return this.replaceWithMultiple(sourceFile, startPosition, endPosition, newNodes, options);
+            };
             ChangeTracker.prototype.insertNodeAt = function (sourceFile, pos, newNode, options) {
                 if (options === void 0) { options = {}; }
-                this.changes.push({ sourceFile: sourceFile, options: options, node: newNode, range: { pos: pos, end: pos } });
+                this.changes.push({ kind: ChangeKind.ReplaceWithSingleNode, sourceFile: sourceFile, options: options, node: newNode, range: { pos: pos, end: pos } });
                 return this;
             };
             ChangeTracker.prototype.insertNodeBefore = function (sourceFile, before, newNode, options) {
                 if (options === void 0) { options = {}; }
                 var startPosition = getAdjustedStartPosition(sourceFile, before, options, Position.Start);
-                this.changes.push({ sourceFile: sourceFile, options: options, useIndentationFromFile: true, node: newNode, range: { pos: startPosition, end: startPosition } });
-                return this;
+                return this.replaceWithSingle(sourceFile, startPosition, startPosition, newNode, options);
             };
             ChangeTracker.prototype.insertNodeAfter = function (sourceFile, after, newNode, options) {
                 if (options === void 0) { options = {}; }
@@ -71606,6 +72530,7 @@ var ts;
                     after.kind === 150) {
                     if (sourceFile.text.charCodeAt(after.end - 1) !== 59) {
                         this.changes.push({
+                            kind: ChangeKind.ReplaceWithSingleNode,
                             sourceFile: sourceFile,
                             options: {},
                             range: { pos: after.end, end: after.end },
@@ -71614,8 +72539,7 @@ var ts;
                     }
                 }
                 var endPosition = getAdjustedEndPosition(sourceFile, after, options);
-                this.changes.push({ sourceFile: sourceFile, options: options, useIndentationFromFile: true, node: newNode, range: { pos: endPosition, end: endPosition } });
-                return this;
+                return this.replaceWithSingle(sourceFile, endPosition, endPosition, newNode, options);
             };
             ChangeTracker.prototype.insertNodeInListAfter = function (sourceFile, after, newNode) {
                 var containingList = ts.formatting.SmartIndenter.getContainingList(after, sourceFile);
@@ -71643,10 +72567,10 @@ var ts;
                             startPos = ts.getStartPositionOfLine(lineAndCharOfNextElement.line, sourceFile);
                         }
                         this.changes.push({
+                            kind: ChangeKind.ReplaceWithSingleNode,
                             sourceFile: sourceFile,
                             range: { pos: startPos, end: containingList[index + 1].getStart(sourceFile) },
                             node: newNode,
-                            useIndentationFromFile: true,
                             options: {
                                 prefix: prefix,
                                 suffix: "" + ts.tokenToString(nextToken.kind) + sourceFile.text.substring(nextToken.end, containingList[index + 1].getStart(sourceFile))
@@ -71673,6 +72597,7 @@ var ts;
                     }
                     if (multilineList) {
                         this.changes.push({
+                            kind: ChangeKind.ReplaceWithSingleNode,
                             sourceFile: sourceFile,
                             range: { pos: end, end: end },
                             node: ts.createToken(separator),
@@ -71684,6 +72609,7 @@ var ts;
                             insertPos--;
                         }
                         this.changes.push({
+                            kind: ChangeKind.ReplaceWithSingleNode,
                             sourceFile: sourceFile,
                             range: { pos: insertPos, end: insertPos },
                             node: newNode,
@@ -71692,6 +72618,7 @@ var ts;
                     }
                     else {
                         this.changes.push({
+                            kind: ChangeKind.ReplaceWithSingleNode,
                             sourceFile: sourceFile,
                             range: { pos: end, end: end },
                             node: newNode,
@@ -71703,7 +72630,7 @@ var ts;
             };
             ChangeTracker.prototype.getChanges = function () {
                 var _this = this;
-                var changesPerFile = ts.createFileMap();
+                var changesPerFile = ts.createMap();
                 for (var _i = 0, _a = this.changes; _i < _a.length; _i++) {
                     var c = _a[_i];
                     var changesInFile = changesPerFile.get(c.sourceFile.path);
@@ -71713,8 +72640,7 @@ var ts;
                     changesInFile.push(c);
                 }
                 var fileChangesList = [];
-                changesPerFile.forEachValue(function (path) {
-                    var changesInFile = changesPerFile.get(path);
+                changesPerFile.forEach(function (changesInFile) {
                     var sourceFile = changesInFile[0].sourceFile;
                     var fileTextChanges = { fileName: sourceFile.fileName, textChanges: [] };
                     for (var _i = 0, _a = ChangeTracker.normalize(changesInFile); _i < _a.length; _i++) {
@@ -71732,30 +72658,43 @@ var ts;
                 return ts.createTextSpanFromBounds(change.range.pos, change.range.end);
             };
             ChangeTracker.prototype.computeNewText = function (change, sourceFile) {
-                if (!change.node) {
+                var _this = this;
+                if (change.kind === ChangeKind.Remove) {
                     return "";
                 }
                 var options = change.options || {};
-                var nonFormattedText = getNonformattedText(change.node, sourceFile, this.newLine);
+                var text;
+                var pos = change.range.pos;
+                var posStartsLine = ts.getLineStartPositionForPosition(pos, sourceFile) === pos;
+                if (change.kind === ChangeKind.ReplaceWithMultipleNodes) {
+                    var parts = change.nodes.map(function (n) { return _this.getFormattedTextOfNode(n, sourceFile, pos, options); });
+                    text = parts.join(change.options.nodeSeparator);
+                }
+                else {
+                    ts.Debug.assert(change.kind === ChangeKind.ReplaceWithSingleNode, "change.kind === ReplaceWithSingleNode");
+                    text = this.getFormattedTextOfNode(change.node, sourceFile, pos, options);
+                }
+                text = (posStartsLine || options.indentation !== undefined) ? text : text.replace(/^\s+/, "");
+                return (options.prefix || "") + text + (options.suffix || "");
+            };
+            ChangeTracker.prototype.getFormattedTextOfNode = function (node, sourceFile, pos, options) {
+                var nonformattedText = getNonformattedText(node, sourceFile, this.newLine);
                 if (this.validator) {
-                    this.validator(nonFormattedText);
+                    this.validator(nonformattedText);
                 }
                 var formatOptions = this.rulesProvider.getFormatOptions();
-                var pos = change.range.pos;
                 var posStartsLine = ts.getLineStartPositionForPosition(pos, sourceFile) === pos;
-                var initialIndentation = change.options.indentation !== undefined
-                    ? change.options.indentation
-                    : change.useIndentationFromFile
-                        ? ts.formatting.SmartIndenter.getIndentation(change.range.pos, sourceFile, formatOptions, posStartsLine || (change.options.prefix === this.newLineCharacter))
+                var initialIndentation = options.indentation !== undefined
+                    ? options.indentation
+                    : (options.useIndentationFromFile !== false)
+                        ? ts.formatting.SmartIndenter.getIndentation(pos, sourceFile, formatOptions, posStartsLine || (options.prefix === this.newLineCharacter))
                         : 0;
-                var delta = change.options.delta !== undefined
-                    ? change.options.delta
-                    : ts.formatting.SmartIndenter.shouldIndentChildNode(change.node)
-                        ? formatOptions.indentSize
+                var delta = options.delta !== undefined
+                    ? options.delta
+                    : ts.formatting.SmartIndenter.shouldIndentChildNode(node)
+                        ? (formatOptions.indentSize || 0)
                         : 0;
-                var text = applyFormatting(nonFormattedText, sourceFile, initialIndentation, delta, this.rulesProvider);
-                text = posStartsLine || change.options.indentation !== undefined ? text : text.replace(/^\s+/, "");
-                return (options.prefix || "") + text + (options.suffix || "");
+                return applyFormatting(nonformattedText, sourceFile, initialIndentation, delta, this.rulesProvider);
             };
             ChangeTracker.normalize = function (changes) {
                 var normalized = ts.stableSort(changes, function (a, b) { return a.range.pos - b.range.pos; });
@@ -71771,10 +72710,9 @@ var ts;
             var options = { newLine: newLine, target: sourceFile && sourceFile.languageVersion };
             var writer = new Writer(ts.getNewLineCharacter(options));
             var printer = ts.createPrinter(options, writer);
-            printer.writeNode(3, node, sourceFile, writer);
+            printer.writeNode(4, node, sourceFile, writer);
             return { text: writer.getText(), node: assignPositionsToNode(node) };
         }
-        textChanges.getNonformattedText = getNonformattedText;
         function applyFormatting(nonFormattedText, sourceFile, initialIndentation, delta, rulesProvider) {
             var lineMap = ts.computeLineStarts(nonFormattedText.text);
             var file = {
@@ -71782,10 +72720,9 @@ var ts;
                 lineMap: lineMap,
                 getLineAndCharacterOfPosition: function (pos) { return ts.computeLineAndCharacterOfPosition(lineMap, pos); }
             };
-            var changes = ts.formatting.formatNode(nonFormattedText.node, file, sourceFile.languageVariant, initialIndentation, delta, rulesProvider);
+            var changes = ts.formatting.formatNodeGivenIndentation(nonFormattedText.node, file, sourceFile.languageVariant, initialIndentation, delta, rulesProvider);
             return applyChanges(nonFormattedText.text, changes);
         }
-        textChanges.applyFormatting = applyFormatting;
         function applyChanges(text, changes) {
             for (var i = changes.length - 1; i >= 0; i--) {
                 var change = changes[i];
@@ -71799,13 +72736,10 @@ var ts;
         }
         function assignPositionsToNode(node) {
             var visited = ts.visitEachChild(node, assignPositionsToNode, ts.nullTransformationContext, assignPositionsToNodeArray, assignPositionsToNode);
-            var newNode = ts.nodeIsSynthesized(visited)
-                ? visited
-                : (Proxy.prototype = visited, new Proxy());
+            var newNode = ts.nodeIsSynthesized(visited) ? visited : Object.create(visited);
             newNode.pos = getPos(node);
             newNode.end = getEnd(node);
             return newNode;
-            function Proxy() { }
         }
         function assignPositionsToNodeArray(nodes, visitor, test, start, count) {
             var visited = ts.visitNodes(nodes, visitor, test, start, count);
@@ -71956,23 +72890,9 @@ var ts;
         }
         refactor_1.registerRefactor = registerRefactor;
         function getApplicableRefactors(context) {
-            var results;
-            var refactorList = [];
-            refactors.forEach(function (refactor) {
-                refactorList.push(refactor);
+            return ts.flatMapIter(refactors.values(), function (refactor) {
+                return context.cancellationToken && context.cancellationToken.isCancellationRequested() ? [] : refactor.getAvailableActions(context);
             });
-            for (var _i = 0, refactorList_1 = refactorList; _i < refactorList_1.length; _i++) {
-                var refactor_2 = refactorList_1[_i];
-                if (context.cancellationToken && context.cancellationToken.isCancellationRequested()) {
-                    return results;
-                }
-                var infos = refactor_2.getAvailableActions(context);
-                if (infos && infos.length) {
-                    (_a = (results || (results = []))).push.apply(_a, infos);
-                }
-            }
-            return results;
-            var _a;
         }
         refactor_1.getApplicableRefactors = getApplicableRefactors;
         function getEditsForRefactor(context, refactorName, actionName) {
@@ -71987,6 +72907,33 @@ var ts;
     var codefix;
     (function (codefix) {
         codefix.registerCodeFix({
+            errorCodes: [ts.Diagnostics.Cannot_access_0_1_because_0_is_a_type_but_not_a_namespace_Did_you_mean_to_retrieve_the_type_of_the_property_1_in_0_with_0_1.code],
+            getCodeActions: function (context) {
+                var sourceFile = context.sourceFile;
+                var token = ts.getTokenAtPosition(sourceFile, context.span.start, false);
+                var qualifiedName = ts.getAncestor(token, 143);
+                ts.Debug.assert(!!qualifiedName, "Expected position to be owned by a qualified name.");
+                if (!ts.isIdentifier(qualifiedName.left)) {
+                    return undefined;
+                }
+                var leftText = qualifiedName.left.getText(sourceFile);
+                var rightText = qualifiedName.right.getText(sourceFile);
+                var replacement = ts.createIndexedAccessTypeNode(ts.createTypeReferenceNode(qualifiedName.left, undefined), ts.createLiteralTypeNode(ts.createLiteral(rightText)));
+                var changeTracker = ts.textChanges.ChangeTracker.fromCodeFixContext(context);
+                changeTracker.replaceNode(sourceFile, qualifiedName, replacement);
+                return [{
+                        description: ts.formatStringFromArgs(ts.getLocaleSpecificMessage(ts.Diagnostics.Rewrite_as_the_indexed_access_type_0), [leftText + "[\"" + rightText + "\"]"]),
+                        changes: changeTracker.getChanges()
+                    }];
+            }
+        });
+    })(codefix = ts.codefix || (ts.codefix = {}));
+})(ts || (ts = {}));
+var ts;
+(function (ts) {
+    var codefix;
+    (function (codefix) {
+        codefix.registerCodeFix({
             errorCodes: [ts.Diagnostics.Class_0_incorrectly_implements_interface_1.code],
             getCodeActions: getActionForClassLikeIncorrectImplementsInterface
         });
@@ -72032,11 +72979,7 @@ var ts;
                 newNodes.push(newIndexSignatureDeclaration);
             }
             function pushAction(result, newNodes, description) {
-                var newAction = {
-                    description: description,
-                    changes: codefix.newNodesToChanges(newNodes, openBrace, context)
-                };
-                result.push(newAction);
+                result.push({ description: description, changes: codefix.newNodesToChanges(newNodes, openBrace, context) });
             }
         }
     })(codefix = ts.codefix || (ts.codefix = {}));
@@ -72196,7 +73139,8 @@ var ts;
             var node = ts.getTokenAtPosition(sourceFile, context.span.start, false);
             var checker = context.program.getTypeChecker();
             var suggestion;
-            if (node.kind === 71 && ts.isPropertyAccessExpression(node.parent)) {
+            if (ts.isPropertyAccessExpression(node.parent) && node.parent.name === node) {
+                ts.Debug.assert(node.kind === 71);
                 var containingType = checker.getTypeAtLocation(node.parent.expression);
                 suggestion = checker.getSuggestionForNonexistentProperty(node, containingType);
             }
@@ -72292,9 +73236,9 @@ var ts;
                     return undefined;
                 }
                 if (superCall.expression && superCall.expression.kind === 181) {
-                    var arguments_1 = superCall.expression.arguments;
-                    for (var i = 0; i < arguments_1.length; i++) {
-                        if (arguments_1[i].expression === token) {
+                    var expressionArguments = superCall.expression.arguments;
+                    for (var i = 0; i < expressionArguments.length; i++) {
+                        if (expressionArguments[i].expression === token) {
                             return undefined;
                         }
                     }
@@ -72426,14 +73370,14 @@ var ts;
                     case 240:
                         return [deleteNode(token.parent)];
                     default:
-                        return [deleteDefault()];
+                        return deleteDefault();
                 }
                 function deleteDefault() {
                     if (ts.isDeclarationName(token)) {
-                        return deleteNode(token.parent);
+                        return [deleteNode(token.parent)];
                     }
                     else if (ts.isLiteralComputedPropertyDeclarationName(token)) {
-                        return deleteNode(token.parent.parent);
+                        return [deleteNode(token.parent.parent)];
                     }
                     else {
                         return undefined;
@@ -72479,8 +73423,7 @@ var ts;
                         case 242:
                             var namedImports = parent.parent;
                             if (namedImports.elements.length === 1) {
-                                var importSpec = ts.getAncestor(identifier, 238);
-                                return [deleteNode(importSpec)];
+                                return deleteNamedImportBinding(namedImports);
                             }
                             else {
                                 return [deleteNodeInList(parent)];
@@ -72492,31 +73435,32 @@ var ts;
                                 return [deleteNode(importDecl)];
                             }
                             else {
-                                var start_4 = importClause.name.getStart(sourceFile);
+                                var start_6 = importClause.name.getStart(sourceFile);
                                 var nextToken = ts.getTokenAtPosition(sourceFile, importClause.name.end, false);
                                 if (nextToken && nextToken.kind === 26) {
-                                    return [deleteRange({ pos: start_4, end: ts.skipTrivia(sourceFile.text, nextToken.end, false, true) })];
+                                    return [deleteRange({ pos: start_6, end: ts.skipTrivia(sourceFile.text, nextToken.end, false, true) })];
                                 }
                                 else {
                                     return [deleteNode(importClause.name)];
                                 }
                             }
                         case 240:
-                            var namespaceImport = parent;
-                            if (namespaceImport.name === identifier && !namespaceImport.parent.name) {
-                                var importDecl = ts.getAncestor(namespaceImport, 238);
-                                return [deleteNode(importDecl)];
-                            }
-                            else {
-                                var previousToken = ts.getTokenAtPosition(sourceFile, namespaceImport.pos - 1, false);
-                                if (previousToken && previousToken.kind === 26) {
-                                    var startPosition = ts.textChanges.getAdjustedStartPosition(sourceFile, previousToken, {}, ts.textChanges.Position.FullStart);
-                                    return [deleteRange({ pos: startPosition, end: namespaceImport.end })];
-                                }
-                                return [deleteRange(namespaceImport)];
-                            }
+                            return deleteNamedImportBinding(parent);
                         default:
-                            return [deleteDefault()];
+                            return deleteDefault();
+                    }
+                }
+                function deleteNamedImportBinding(namedBindings) {
+                    if (namedBindings.parent.name) {
+                        var previousToken = ts.getTokenAtPosition(sourceFile, namedBindings.pos - 1, false);
+                        if (previousToken && previousToken.kind === 26) {
+                            return [deleteRange({ pos: previousToken.getStart(), end: namedBindings.end })];
+                        }
+                        return undefined;
+                    }
+                    else {
+                        var importDecl = ts.getAncestor(namedBindings, 238);
+                        return [deleteNode(importDecl)];
                     }
                 }
                 function deleteVariableDeclarationOrPrefixWithUnderscore(identifier, varDecl) {
@@ -72575,6 +73519,45 @@ var ts;
     var codefix;
     (function (codefix) {
         codefix.registerCodeFix({
+            errorCodes: [ts.Diagnostics.JSDoc_types_can_only_be_used_inside_documentation_comments.code],
+            getCodeActions: getActionsForJSDocTypes
+        });
+        function getActionsForJSDocTypes(context) {
+            var sourceFile = context.sourceFile;
+            var node = ts.getTokenAtPosition(sourceFile, context.span.start, false);
+            var decl = ts.findAncestor(node, function (n) { return n.kind === 226; });
+            if (!decl)
+                return;
+            var checker = context.program.getTypeChecker();
+            var jsdocType = decl.type;
+            var original = ts.getTextOfNode(jsdocType);
+            var type = checker.getTypeFromTypeNode(jsdocType);
+            var actions = [createAction(jsdocType, sourceFile.fileName, original, checker.typeToString(type, undefined, 8))];
+            if (jsdocType.kind === 270) {
+                var replacementWithUndefined = checker.typeToString(checker.getNullableType(type, 2048), undefined, 8);
+                actions.push(createAction(jsdocType, sourceFile.fileName, original, replacementWithUndefined));
+            }
+            return actions;
+        }
+        function createAction(declaration, fileName, original, replacement) {
+            return {
+                description: ts.formatStringFromArgs(ts.getLocaleSpecificMessage(ts.Diagnostics.Change_0_to_1), [original, replacement]),
+                changes: [{
+                        fileName: fileName,
+                        textChanges: [{
+                                span: { start: declaration.getStart(), length: declaration.getWidth() },
+                                newText: replacement
+                            }]
+                    }],
+            };
+        }
+    })(codefix = ts.codefix || (ts.codefix = {}));
+})(ts || (ts = {}));
+var ts;
+(function (ts) {
+    var codefix;
+    (function (codefix) {
+        codefix.registerCodeFix({
             errorCodes: [
                 ts.Diagnostics.Cannot_find_name_0.code,
                 ts.Diagnostics.Cannot_find_name_0_Did_you_mean_1.code,
@@ -72680,12 +73663,12 @@ var ts;
                 var umdSymbol = checker.getSymbolAtLocation(token);
                 var symbol = void 0;
                 var symbolName = void 0;
-                if (umdSymbol.flags & 8388608) {
+                if (umdSymbol.flags & 2097152) {
                     symbol = checker.getAliasedSymbol(umdSymbol);
                     symbolName = name;
                 }
                 else if (ts.isJsxOpeningLikeElement(token.parent) && token.parent.tagName === token) {
-                    symbol = checker.getAliasedSymbol(checker.resolveNameAtLocation(token, checker.getJsxNamespace(), 107455));
+                    symbol = checker.getAliasedSymbol(checker.resolveName(checker.getJsxNamespace(), token.parent.tagName, 107455));
                     symbolName = symbol.name;
                 }
                 else {
@@ -72706,12 +73689,13 @@ var ts;
                 var defaultExport = checker.tryGetMemberInModuleExports("default", moduleSymbol);
                 if (defaultExport) {
                     var localSymbol = ts.getLocalSymbolForExportDefault(defaultExport);
-                    if (localSymbol && localSymbol.name === name && checkSymbolHasMeaning(localSymbol, currentTokenMeaning)) {
+                    if (localSymbol && localSymbol.escapedName === name && checkSymbolHasMeaning(localSymbol, currentTokenMeaning)) {
                         var symbolId = getUniqueSymbolId(localSymbol);
                         symbolIdActionMap.addActions(symbolId, getCodeActionForImport(moduleSymbol, name, true));
                     }
                 }
-                var exportSymbolWithIdenticalName = checker.tryGetMemberInModuleExports(name, moduleSymbol);
+                ts.Debug.assert(name !== "default");
+                var exportSymbolWithIdenticalName = checker.tryGetMemberInModuleExportsAndProperties(name, moduleSymbol);
                 if (exportSymbolWithIdenticalName && checkSymbolHasMeaning(exportSymbolWithIdenticalName, currentTokenMeaning)) {
                     var symbolId = getUniqueSymbolId(exportSymbolWithIdenticalName);
                     symbolIdActionMap.addActions(symbolId, getCodeActionForImport(moduleSymbol, name));
@@ -72749,10 +73733,7 @@ var ts;
                 }
             }
             function getUniqueSymbolId(symbol) {
-                if (symbol.flags & 8388608) {
-                    return ts.getSymbolId(checker.getAliasedSymbol(symbol));
-                }
-                return ts.getSymbolId(symbol);
+                return ts.getSymbolId(ts.skipAlias(symbol, checker));
             }
             function checkSymbolHasMeaning(symbol, meaning) {
                 var declarations = symbol.getDeclarations();
@@ -72771,8 +73752,8 @@ var ts;
                     var namespaceImportDeclaration;
                     var namedImportDeclaration;
                     var existingModuleSpecifier;
-                    for (var _i = 0, declarations_14 = declarations; _i < declarations_14.length; _i++) {
-                        var declaration = declarations_14[_i];
+                    for (var _i = 0, declarations_13 = declarations; _i < declarations_13.length; _i++) {
+                        var declaration = declarations_13[_i];
                         if (declaration.kind === 238) {
                             var namedBindings = declaration.importClause && declaration.importClause.namedBindings;
                             if (namedBindings && namedBindings.kind === 240) {
@@ -72846,14 +73827,53 @@ var ts;
                         : isNamespaceImport
                             ? ts.createImportClause(undefined, ts.createNamespaceImport(ts.createIdentifier(symbolName)))
                             : ts.createImportClause(undefined, ts.createNamedImports([ts.createImportSpecifier(undefined, ts.createIdentifier(symbolName))]));
-                    var importDecl = ts.createImportDeclaration(undefined, undefined, importClause, ts.createLiteral(moduleSpecifierWithoutQuotes));
+                    var moduleSpecifierLiteral = ts.createLiteral(moduleSpecifierWithoutQuotes);
+                    moduleSpecifierLiteral.singleQuote = getSingleQuoteStyleFromExistingImports();
+                    var importDecl = ts.createImportDeclaration(undefined, undefined, importClause, moduleSpecifierLiteral);
                     if (!lastImportDeclaration) {
-                        changeTracker.insertNodeAt(sourceFile, sourceFile.getStart(), importDecl, { suffix: "" + context.newLineCharacter + context.newLineCharacter });
+                        changeTracker.insertNodeAt(sourceFile, getSourceFileImportLocation(sourceFile), importDecl, { suffix: "" + context.newLineCharacter + context.newLineCharacter });
                     }
                     else {
                         changeTracker.insertNodeAfter(sourceFile, lastImportDeclaration, importDecl, { suffix: context.newLineCharacter });
                     }
                     return createCodeAction(ts.Diagnostics.Import_0_from_1, [symbolName, "\"" + moduleSpecifierWithoutQuotes + "\""], changeTracker.getChanges(), "NewImport", moduleSpecifierWithoutQuotes);
+                    function getSourceFileImportLocation(node) {
+                        var text = node.text;
+                        var ranges = ts.getLeadingCommentRanges(text, 0);
+                        if (!ranges)
+                            return 0;
+                        var position = 0;
+                        if (ranges.length && ranges[0].kind === 3 && ts.isPinnedComment(text, ranges[0])) {
+                            position = ranges[0].end + 1;
+                            ranges = ranges.slice(1);
+                        }
+                        for (var _i = 0, ranges_1 = ranges; _i < ranges_1.length; _i++) {
+                            var range = ranges_1[_i];
+                            if (range.kind === 2 && ts.isRecognizedTripleSlashComment(node.text, range.pos, range.end)) {
+                                position = range.end + 1;
+                                continue;
+                            }
+                            break;
+                        }
+                        return position;
+                    }
+                    function getSingleQuoteStyleFromExistingImports() {
+                        var firstModuleSpecifier = ts.forEach(sourceFile.statements, function (node) {
+                            if (ts.isImportDeclaration(node) || ts.isExportDeclaration(node)) {
+                                if (node.moduleSpecifier && ts.isStringLiteral(node.moduleSpecifier)) {
+                                    return node.moduleSpecifier;
+                                }
+                            }
+                            else if (ts.isImportEqualsDeclaration(node)) {
+                                if (ts.isExternalModuleReference(node.moduleReference) && ts.isStringLiteral(node.moduleReference.expression)) {
+                                    return node.moduleReference.expression;
+                                }
+                            }
+                        });
+                        if (firstModuleSpecifier) {
+                            return sourceFile.text.charCodeAt(firstModuleSpecifier.getStart()) === 39;
+                        }
+                    }
                     function getModuleSpecifierForNewImport() {
                         var fileName = sourceFile.fileName;
                         var moduleFileName = moduleSymbol.valueDeclaration.getSourceFile().fileName;
@@ -72935,43 +73955,97 @@ var ts;
                             if (ts.getEmitModuleResolutionKind(options) !== ts.ModuleResolutionKind.NodeJs) {
                                 return undefined;
                             }
-                            var indexOfNodeModules = moduleFileName.indexOf("node_modules");
-                            if (indexOfNodeModules < 0) {
+                            var parts = getNodeModulePathParts(moduleFileName);
+                            if (!parts) {
                                 return undefined;
                             }
-                            var relativeFileName;
-                            if (sourceDirectory.indexOf(moduleFileName.substring(0, indexOfNodeModules - 1)) === 0) {
-                                relativeFileName = moduleFileName.substring(indexOfNodeModules + 13);
-                            }
-                            else {
-                                relativeFileName = getRelativePath(moduleFileName, sourceDirectory);
-                            }
-                            relativeFileName = ts.removeFileExtension(relativeFileName);
-                            if (ts.endsWith(relativeFileName, "/index")) {
-                                relativeFileName = ts.getDirectoryPath(relativeFileName);
-                            }
-                            else {
-                                try {
-                                    var moduleDirectory = ts.getDirectoryPath(moduleFileName);
-                                    var packageJsonContent = JSON.parse(context.host.readFile(ts.combinePaths(moduleDirectory, "package.json")));
+                            var moduleSpecifier = getDirectoryOrExtensionlessFileName(moduleFileName);
+                            moduleSpecifier = getNodeResolvablePath(moduleSpecifier);
+                            return ts.getPackageNameFromAtTypesDirectory(moduleSpecifier);
+                            function getDirectoryOrExtensionlessFileName(path) {
+                                var packageRootPath = path.substring(0, parts.packageRootIndex);
+                                var packageJsonPath = ts.combinePaths(packageRootPath, "package.json");
+                                if (context.host.fileExists(packageJsonPath)) {
+                                    var packageJsonContent = JSON.parse(context.host.readFile(packageJsonPath));
                                     if (packageJsonContent) {
-                                        var mainFile = packageJsonContent.main || packageJsonContent.typings;
-                                        if (mainFile) {
-                                            var mainExportFile = ts.toPath(mainFile, moduleDirectory, getCanonicalFileName);
-                                            if (ts.removeFileExtension(mainExportFile) === ts.removeFileExtension(moduleFileName)) {
-                                                relativeFileName = ts.getDirectoryPath(relativeFileName);
+                                        var mainFileRelative = packageJsonContent.typings || packageJsonContent.types || packageJsonContent.main;
+                                        if (mainFileRelative) {
+                                            var mainExportFile = ts.toPath(mainFileRelative, packageRootPath, getCanonicalFileName);
+                                            if (mainExportFile === getCanonicalFileName(path)) {
+                                                return packageRootPath;
                                             }
                                         }
                                     }
                                 }
-                                catch (e) { }
+                                var fullModulePathWithoutExtension = ts.removeFileExtension(path);
+                                if (getCanonicalFileName(fullModulePathWithoutExtension.substring(parts.fileNameIndex)) === "/index") {
+                                    return fullModulePathWithoutExtension.substring(0, parts.fileNameIndex);
+                                }
+                                return fullModulePathWithoutExtension;
+                            }
+                            function getNodeResolvablePath(path) {
+                                var basePath = path.substring(0, parts.topLevelNodeModulesIndex);
+                                if (sourceDirectory.indexOf(basePath) === 0) {
+                                    return path.substring(parts.topLevelPackageNameIndex + 1);
+                                }
+                                else {
+                                    return getRelativePath(path, sourceDirectory);
+                                }
+                            }
+                        }
+                    }
+                    function getNodeModulePathParts(fullPath) {
+                        var topLevelNodeModulesIndex = 0;
+                        var topLevelPackageNameIndex = 0;
+                        var packageRootIndex = 0;
+                        var fileNameIndex = 0;
+                        var States;
+                        (function (States) {
+                            States[States["BeforeNodeModules"] = 0] = "BeforeNodeModules";
+                            States[States["NodeModules"] = 1] = "NodeModules";
+                            States[States["Scope"] = 2] = "Scope";
+                            States[States["PackageContent"] = 3] = "PackageContent";
+                        })(States || (States = {}));
+                        var partStart = 0;
+                        var partEnd = 0;
+                        var state = 0;
+                        while (partEnd >= 0) {
+                            partStart = partEnd;
+                            partEnd = fullPath.indexOf("/", partStart + 1);
+                            switch (state) {
+                                case 0:
+                                    if (fullPath.indexOf("/node_modules/", partStart) === partStart) {
+                                        topLevelNodeModulesIndex = partStart;
+                                        topLevelPackageNameIndex = partEnd;
+                                        state = 1;
+                                    }
+                                    break;
+                                case 1:
+                                case 2:
+                                    if (state === 1 && fullPath.charAt(partStart + 1) === "@") {
+                                        state = 2;
+                                    }
+                                    else {
+                                        packageRootIndex = partEnd;
+                                        state = 3;
+                                    }
+                                    break;
+                                case 3:
+                                    if (fullPath.indexOf("/node_modules/", partStart) === partStart) {
+                                        state = 1;
+                                    }
+                                    else {
+                                        state = 3;
+                                    }
+                                    break;
                             }
-                            return ts.getPackageNameFromAtTypesDirectory(relativeFileName);
                         }
+                        fileNameIndex = partStart;
+                        return state > 1 ? { topLevelNodeModulesIndex: topLevelNodeModulesIndex, topLevelPackageNameIndex: topLevelPackageNameIndex, packageRootIndex: packageRootIndex, fileNameIndex: fileNameIndex } : undefined;
                     }
                     function getPathRelativeToRootDirs(path, rootDirs) {
-                        for (var _i = 0, rootDirs_2 = rootDirs; _i < rootDirs_2.length; _i++) {
-                            var rootDir = rootDirs_2[_i];
+                        for (var _i = 0, rootDirs_1 = rootDirs; _i < rootDirs_1.length; _i++) {
+                            var rootDir = rootDirs_1[_i];
                             var relativeName = getRelativePathIfInDirectory(path, rootDir);
                             if (relativeName !== undefined) {
                                 return relativeName;
@@ -72992,7 +74066,7 @@ var ts;
                     }
                     function getRelativePath(path, directoryPath) {
                         var relativePath = ts.getRelativePathToDirectoryOrUrl(directoryPath, path, directoryPath, getCanonicalFileName, false);
-                        return ts.moduleHasNonRelativeName(relativePath) ? "./" + relativePath : relativePath;
+                        return !ts.pathIsRelative(relativePath) ? "./" + relativePath : relativePath;
                     }
                 }
             }
@@ -73099,7 +74173,7 @@ var ts;
         codefix.newNodesToChanges = newNodesToChanges;
         function createMissingMemberNodes(classDeclaration, possiblyMissingSymbols, checker) {
             var classMembers = classDeclaration.symbol.members;
-            var missingMembers = possiblyMissingSymbols.filter(function (symbol) { return !classMembers.has(symbol.getName()); });
+            var missingMembers = possiblyMissingSymbols.filter(function (symbol) { return !classMembers.has(symbol.escapedName); });
             var newNodes = [];
             for (var _i = 0, missingMembers_1 = missingMembers; _i < missingMembers_1.length; _i++) {
                 var symbol = missingMembers_1[_i];
@@ -73126,7 +74200,7 @@ var ts;
             var visibilityModifier = createVisibilityModifier(ts.getModifierFlags(declaration));
             var modifiers = visibilityModifier ? ts.createNodeArray([visibilityModifier]) : undefined;
             var type = checker.getWidenedType(checker.getTypeOfSymbolAtLocation(symbol, enclosingDeclaration));
-            var optional = !!(symbol.flags & 67108864);
+            var optional = !!(symbol.flags & 16777216);
             switch (declaration.kind) {
                 case 153:
                 case 154:
@@ -73220,7 +74294,7 @@ var ts;
                 }
             }
             var maxNonRestArgs = maxArgsSignature.parameters.length - (maxArgsSignature.hasRestParameter ? 1 : 0);
-            var maxArgsParameterSymbolNames = maxArgsSignature.parameters.map(function (symbol) { return symbol.getName(); });
+            var maxArgsParameterSymbolNames = maxArgsSignature.parameters.map(function (symbol) { return symbol.name; });
             var parameters = createDummyParameters(maxNonRestArgs, maxArgsParameterSymbolNames, minArgumentCount, true);
             if (someSigHasRestParameter) {
                 var anyArrayType = ts.createArrayTypeNode(ts.createKeywordTypeNode(119));
@@ -73251,180 +74325,1078 @@ var ts;
 (function (ts) {
     var refactor;
     (function (refactor) {
-        var actionName = "convert";
-        var convertFunctionToES6Class = {
-            name: "Convert to ES2015 class",
-            description: ts.Diagnostics.Convert_function_to_an_ES2015_class.message,
-            getEditsForAction: getEditsForAction,
-            getAvailableActions: getAvailableActions
-        };
-        refactor.registerRefactor(convertFunctionToES6Class);
-        function getAvailableActions(context) {
-            var start = context.startPosition;
-            var node = ts.getTokenAtPosition(context.file, start, false);
-            var checker = context.program.getTypeChecker();
-            var symbol = checker.getSymbolAtLocation(node);
-            if (symbol && ts.isDeclarationOfFunctionOrClassExpression(symbol)) {
-                symbol = symbol.valueDeclaration.initializer.symbol;
+        var convertFunctionToES6Class;
+        (function (convertFunctionToES6Class_1) {
+            var actionName = "convert";
+            var convertFunctionToES6Class = {
+                name: "Convert to ES2015 class",
+                description: ts.Diagnostics.Convert_function_to_an_ES2015_class.message,
+                getEditsForAction: getEditsForAction,
+                getAvailableActions: getAvailableActions
+            };
+            refactor.registerRefactor(convertFunctionToES6Class);
+            function getAvailableActions(context) {
+                if (!ts.isInJavaScriptFile(context.file)) {
+                    return undefined;
+                }
+                var start = context.startPosition;
+                var node = ts.getTokenAtPosition(context.file, start, false);
+                var checker = context.program.getTypeChecker();
+                var symbol = checker.getSymbolAtLocation(node);
+                if (symbol && ts.isDeclarationOfFunctionOrClassExpression(symbol)) {
+                    symbol = symbol.valueDeclaration.initializer.symbol;
+                }
+                if (symbol && (symbol.flags & 16) && symbol.members && (symbol.members.size > 0)) {
+                    return [
+                        {
+                            name: convertFunctionToES6Class.name,
+                            description: convertFunctionToES6Class.description,
+                            actions: [
+                                {
+                                    description: convertFunctionToES6Class.description,
+                                    name: actionName
+                                }
+                            ]
+                        }
+                    ];
+                }
             }
-            if (symbol && (symbol.flags & 16) && symbol.members && (symbol.members.size > 0)) {
-                return [
-                    {
-                        name: convertFunctionToES6Class.name,
-                        description: convertFunctionToES6Class.description,
-                        actions: [
-                            {
-                                description: convertFunctionToES6Class.description,
-                                name: actionName
+            function getEditsForAction(context, action) {
+                if (actionName !== action) {
+                    return undefined;
+                }
+                var start = context.startPosition;
+                var sourceFile = context.file;
+                var checker = context.program.getTypeChecker();
+                var token = ts.getTokenAtPosition(sourceFile, start, false);
+                var ctorSymbol = checker.getSymbolAtLocation(token);
+                var newLine = context.rulesProvider.getFormatOptions().newLineCharacter;
+                var deletedNodes = [];
+                var deletes = [];
+                if (!(ctorSymbol.flags & (16 | 3))) {
+                    return undefined;
+                }
+                var ctorDeclaration = ctorSymbol.valueDeclaration;
+                var changeTracker = ts.textChanges.ChangeTracker.fromCodeFixContext(context);
+                var precedingNode;
+                var newClassDeclaration;
+                switch (ctorDeclaration.kind) {
+                    case 228:
+                        precedingNode = ctorDeclaration;
+                        deleteNode(ctorDeclaration);
+                        newClassDeclaration = createClassFromFunctionDeclaration(ctorDeclaration);
+                        break;
+                    case 226:
+                        precedingNode = ctorDeclaration.parent.parent;
+                        if (ctorDeclaration.parent.declarations.length === 1) {
+                            deleteNode(precedingNode);
+                        }
+                        else {
+                            deleteNode(ctorDeclaration, true);
+                        }
+                        newClassDeclaration = createClassFromVariableDeclaration(ctorDeclaration);
+                        break;
+                }
+                if (!newClassDeclaration) {
+                    return undefined;
+                }
+                changeTracker.insertNodeAfter(sourceFile, precedingNode, newClassDeclaration, { suffix: newLine });
+                for (var _i = 0, deletes_1 = deletes; _i < deletes_1.length; _i++) {
+                    var deleteCallback = deletes_1[_i];
+                    deleteCallback();
+                }
+                return {
+                    edits: changeTracker.getChanges(),
+                    renameFilename: undefined,
+                    renameLocation: undefined,
+                };
+                function deleteNode(node, inList) {
+                    if (inList === void 0) { inList = false; }
+                    if (deletedNodes.some(function (n) { return ts.isNodeDescendantOf(node, n); })) {
+                        return;
+                    }
+                    deletedNodes.push(node);
+                    if (inList) {
+                        deletes.push(function () { return changeTracker.deleteNodeInList(sourceFile, node); });
+                    }
+                    else {
+                        deletes.push(function () { return changeTracker.deleteNode(sourceFile, node); });
+                    }
+                }
+                function createClassElementsFromSymbol(symbol) {
+                    var memberElements = [];
+                    if (symbol.members) {
+                        symbol.members.forEach(function (member) {
+                            var memberElement = createClassElement(member, undefined);
+                            if (memberElement) {
+                                memberElements.push(memberElement);
                             }
-                        ]
+                        });
                     }
-                ];
+                    if (symbol.exports) {
+                        symbol.exports.forEach(function (member) {
+                            var memberElement = createClassElement(member, [ts.createToken(115)]);
+                            if (memberElement) {
+                                memberElements.push(memberElement);
+                            }
+                        });
+                    }
+                    return memberElements;
+                    function shouldConvertDeclaration(_target, source) {
+                        return ts.isFunctionLike(source);
+                    }
+                    function createClassElement(symbol, modifiers) {
+                        if (!(symbol.flags & 4)) {
+                            return;
+                        }
+                        var memberDeclaration = symbol.valueDeclaration;
+                        var assignmentBinaryExpression = memberDeclaration.parent;
+                        if (!shouldConvertDeclaration(memberDeclaration, assignmentBinaryExpression.right)) {
+                            return;
+                        }
+                        var nodeToDelete = assignmentBinaryExpression.parent && assignmentBinaryExpression.parent.kind === 210
+                            ? assignmentBinaryExpression.parent : assignmentBinaryExpression;
+                        deleteNode(nodeToDelete);
+                        if (!assignmentBinaryExpression.right) {
+                            return ts.createProperty([], modifiers, symbol.name, undefined, undefined, undefined);
+                        }
+                        switch (assignmentBinaryExpression.right.kind) {
+                            case 186: {
+                                var functionExpression = assignmentBinaryExpression.right;
+                                var method = ts.createMethod(undefined, modifiers, undefined, memberDeclaration.name, undefined, undefined, functionExpression.parameters, undefined, functionExpression.body);
+                                copyComments(assignmentBinaryExpression, method);
+                                return method;
+                            }
+                            case 187: {
+                                var arrowFunction = assignmentBinaryExpression.right;
+                                var arrowFunctionBody = arrowFunction.body;
+                                var bodyBlock = void 0;
+                                if (arrowFunctionBody.kind === 207) {
+                                    bodyBlock = arrowFunctionBody;
+                                }
+                                else {
+                                    var expression = arrowFunctionBody;
+                                    bodyBlock = ts.createBlock([ts.createReturn(expression)]);
+                                }
+                                var method = ts.createMethod(undefined, modifiers, undefined, memberDeclaration.name, undefined, undefined, arrowFunction.parameters, undefined, bodyBlock);
+                                copyComments(assignmentBinaryExpression, method);
+                                return method;
+                            }
+                            default: {
+                                if (ts.isSourceFileJavaScript(sourceFile)) {
+                                    return;
+                                }
+                                var prop = ts.createProperty(undefined, modifiers, memberDeclaration.name, undefined, undefined, assignmentBinaryExpression.right);
+                                copyComments(assignmentBinaryExpression.parent, prop);
+                                return prop;
+                            }
+                        }
+                    }
+                }
+                function copyComments(sourceNode, targetNode) {
+                    ts.forEachLeadingCommentRange(sourceFile.text, sourceNode.pos, function (pos, end, kind, htnl) {
+                        if (kind === 3) {
+                            pos += 2;
+                            end -= 2;
+                        }
+                        else {
+                            pos += 2;
+                        }
+                        ts.addSyntheticLeadingComment(targetNode, kind, sourceFile.text.slice(pos, end), htnl);
+                    });
+                }
+                function createClassFromVariableDeclaration(node) {
+                    var initializer = node.initializer;
+                    if (!initializer || initializer.kind !== 186) {
+                        return undefined;
+                    }
+                    if (node.name.kind !== 71) {
+                        return undefined;
+                    }
+                    var memberElements = createClassElementsFromSymbol(initializer.symbol);
+                    if (initializer.body) {
+                        memberElements.unshift(ts.createConstructor(undefined, undefined, initializer.parameters, initializer.body));
+                    }
+                    var cls = ts.createClassDeclaration(undefined, undefined, node.name, undefined, undefined, memberElements);
+                    return cls;
+                }
+                function createClassFromFunctionDeclaration(node) {
+                    var memberElements = createClassElementsFromSymbol(ctorSymbol);
+                    if (node.body) {
+                        memberElements.unshift(ts.createConstructor(undefined, undefined, node.parameters, node.body));
+                    }
+                    var cls = ts.createClassDeclaration(undefined, undefined, node.name, undefined, undefined, memberElements);
+                    return cls;
+                }
             }
-        }
-        function getEditsForAction(context, action) {
-            if (actionName !== action) {
-                return undefined;
+        })(convertFunctionToES6Class = refactor.convertFunctionToES6Class || (refactor.convertFunctionToES6Class = {}));
+    })(refactor = ts.refactor || (ts.refactor = {}));
+})(ts || (ts = {}));
+var ts;
+(function (ts) {
+    var refactor;
+    (function (refactor) {
+        var extractMethod;
+        (function (extractMethod_1) {
+            var extractMethod = {
+                name: "Extract Method",
+                description: ts.Diagnostics.Extract_function.message,
+                getAvailableActions: getAvailableActions,
+                getEditsForAction: getEditsForAction,
+            };
+            refactor.registerRefactor(extractMethod);
+            function getAvailableActions(context) {
+                var rangeToExtract = getRangeToExtract(context.file, { start: context.startPosition, length: context.endPosition - context.startPosition });
+                var targetRange = rangeToExtract.targetRange;
+                if (targetRange === undefined) {
+                    return undefined;
+                }
+                var extractions = getPossibleExtractions(targetRange, context);
+                if (extractions === undefined) {
+                    return undefined;
+                }
+                var actions = [];
+                var usedNames = ts.createMap();
+                var i = 0;
+                for (var _i = 0, extractions_1 = extractions; _i < extractions_1.length; _i++) {
+                    var _a = extractions_1[_i], scopeDescription = _a.scopeDescription, errors = _a.errors;
+                    if (errors.length) {
+                        continue;
+                    }
+                    var description = ts.formatStringFromArgs(ts.Diagnostics.Extract_function_into_0.message, [scopeDescription]);
+                    if (!usedNames.has(description)) {
+                        usedNames.set(description, true);
+                        actions.push({
+                            description: description,
+                            name: "scope_" + i
+                        });
+                    }
+                    i++;
+                }
+                if (actions.length === 0) {
+                    return undefined;
+                }
+                return [{
+                        name: extractMethod.name,
+                        description: extractMethod.description,
+                        inlineable: true,
+                        actions: actions
+                    }];
             }
-            var start = context.startPosition;
-            var sourceFile = context.file;
-            var checker = context.program.getTypeChecker();
-            var token = ts.getTokenAtPosition(sourceFile, start, false);
-            var ctorSymbol = checker.getSymbolAtLocation(token);
-            var newLine = context.rulesProvider.getFormatOptions().newLineCharacter;
-            var deletedNodes = [];
-            var deletes = [];
-            if (!(ctorSymbol.flags & (16 | 3))) {
+            function getEditsForAction(context, actionName) {
+                var length = context.endPosition === undefined ? 0 : context.endPosition - context.startPosition;
+                var rangeToExtract = getRangeToExtract(context.file, { start: context.startPosition, length: length });
+                var targetRange = rangeToExtract.targetRange;
+                var parsedIndexMatch = /^scope_(\d+)$/.exec(actionName);
+                ts.Debug.assert(!!parsedIndexMatch, "Scope name should have matched the regexp");
+                var index = +parsedIndexMatch[1];
+                ts.Debug.assert(isFinite(index), "Expected to parse a finite number from the scope index");
+                return getExtractionAtIndex(targetRange, context, index);
+            }
+            var Messages;
+            (function (Messages) {
+                function createMessage(message) {
+                    return { message: message, code: 0, category: ts.DiagnosticCategory.Message, key: message };
+                }
+                Messages.CannotExtractFunction = createMessage("Cannot extract function.");
+                Messages.StatementOrExpressionExpected = createMessage("Statement or expression expected.");
+                Messages.CannotExtractRangeContainingConditionalBreakOrContinueStatements = createMessage("Cannot extract range containing conditional break or continue statements.");
+                Messages.CannotExtractRangeContainingConditionalReturnStatement = createMessage("Cannot extract range containing conditional return statement.");
+                Messages.CannotExtractRangeContainingLabeledBreakOrContinueStatementWithTargetOutsideOfTheRange = createMessage("Cannot extract range containing labeled break or continue with target outside of the range.");
+                Messages.CannotExtractRangeThatContainsWritesToReferencesLocatedOutsideOfTheTargetRangeInGenerators = createMessage("Cannot extract range containing writes to references located outside of the target range in generators.");
+                Messages.TypeWillNotBeVisibleInTheNewScope = createMessage("Type will not visible in the new scope.");
+                Messages.FunctionWillNotBeVisibleInTheNewScope = createMessage("Function will not visible in the new scope.");
+                Messages.InsufficientSelection = createMessage("Select more than a single identifier.");
+                Messages.CannotExtractExportedEntity = createMessage("Cannot extract exported declaration");
+                Messages.CannotCombineWritesAndReturns = createMessage("Cannot combine writes and returns");
+                Messages.CannotExtractReadonlyPropertyInitializerOutsideConstructor = createMessage("Cannot move initialization of read-only class property outside of the constructor");
+                Messages.CannotExtractAmbientBlock = createMessage("Cannot extract code from ambient contexts");
+            })(Messages || (Messages = {}));
+            var RangeFacts;
+            (function (RangeFacts) {
+                RangeFacts[RangeFacts["None"] = 0] = "None";
+                RangeFacts[RangeFacts["HasReturn"] = 1] = "HasReturn";
+                RangeFacts[RangeFacts["IsGenerator"] = 2] = "IsGenerator";
+                RangeFacts[RangeFacts["IsAsyncFunction"] = 4] = "IsAsyncFunction";
+                RangeFacts[RangeFacts["UsesThis"] = 8] = "UsesThis";
+                RangeFacts[RangeFacts["InStaticRegion"] = 16] = "InStaticRegion";
+            })(RangeFacts || (RangeFacts = {}));
+            function getRangeToExtract(sourceFile, span) {
+                var length = span.length || 0;
+                if (length === 0) {
+                    return { errors: [ts.createFileDiagnostic(sourceFile, span.start, length, Messages.StatementOrExpressionExpected)] };
+                }
+                var start = getParentNodeInSpan(ts.getTokenAtPosition(sourceFile, span.start, false), sourceFile, span);
+                var end = getParentNodeInSpan(ts.findTokenOnLeftOfPosition(sourceFile, ts.textSpanEnd(span)), sourceFile, span);
+                var declarations = [];
+                var rangeFacts = RangeFacts.None;
+                if (!start || !end) {
+                    return { errors: [ts.createFileDiagnostic(sourceFile, span.start, length, Messages.CannotExtractFunction)] };
+                }
+                if (start.parent !== end.parent) {
+                    var startParent = ts.skipParentheses(start.parent);
+                    var endParent = ts.skipParentheses(end.parent);
+                    if (ts.isBinaryExpression(startParent) && ts.isBinaryExpression(endParent) && ts.isNodeDescendantOf(startParent, endParent)) {
+                        start = end = endParent;
+                    }
+                    else {
+                        return createErrorResult(sourceFile, span.start, length, Messages.CannotExtractFunction);
+                    }
+                }
+                if (start !== end) {
+                    if (!isBlockLike(start.parent)) {
+                        return createErrorResult(sourceFile, span.start, length, Messages.CannotExtractFunction);
+                    }
+                    var statements = [];
+                    for (var _i = 0, _a = start.parent.statements; _i < _a.length; _i++) {
+                        var statement = _a[_i];
+                        if (statement === start || statements.length) {
+                            var errors = checkNode(statement);
+                            if (errors) {
+                                return { errors: errors };
+                            }
+                            statements.push(statement);
+                        }
+                        if (statement === end) {
+                            break;
+                        }
+                    }
+                    return { targetRange: { range: statements, facts: rangeFacts, declarations: declarations } };
+                }
+                else {
+                    var errors = checkRootNode(start) || checkNode(start);
+                    if (errors) {
+                        return { errors: errors };
+                    }
+                    return { targetRange: { range: getStatementOrExpressionRange(start), facts: rangeFacts, declarations: declarations } };
+                }
+                function createErrorResult(sourceFile, start, length, message) {
+                    return { errors: [ts.createFileDiagnostic(sourceFile, start, length, message)] };
+                }
+                function checkRootNode(node) {
+                    if (ts.isIdentifier(ts.isExpressionStatement(node) ? node.expression : node)) {
+                        return [ts.createDiagnosticForNode(node, Messages.InsufficientSelection)];
+                    }
+                    return undefined;
+                }
+                function checkForStaticContext(nodeToCheck, containingClass) {
+                    var current = nodeToCheck;
+                    while (current !== containingClass) {
+                        if (current.kind === 149) {
+                            if (ts.hasModifier(current, 32)) {
+                                rangeFacts |= RangeFacts.InStaticRegion;
+                            }
+                            break;
+                        }
+                        else if (current.kind === 146) {
+                            var ctorOrMethod = ts.getContainingFunction(current);
+                            if (ctorOrMethod.kind === 152) {
+                                rangeFacts |= RangeFacts.InStaticRegion;
+                            }
+                            break;
+                        }
+                        else if (current.kind === 151) {
+                            if (ts.hasModifier(current, 32)) {
+                                rangeFacts |= RangeFacts.InStaticRegion;
+                            }
+                        }
+                        current = current.parent;
+                    }
+                }
+                function checkNode(nodeToCheck) {
+                    var PermittedJumps;
+                    (function (PermittedJumps) {
+                        PermittedJumps[PermittedJumps["None"] = 0] = "None";
+                        PermittedJumps[PermittedJumps["Break"] = 1] = "Break";
+                        PermittedJumps[PermittedJumps["Continue"] = 2] = "Continue";
+                        PermittedJumps[PermittedJumps["Return"] = 4] = "Return";
+                    })(PermittedJumps || (PermittedJumps = {}));
+                    if (!ts.isStatement(nodeToCheck) && !(ts.isExpression(nodeToCheck) && isExtractableExpression(nodeToCheck))) {
+                        return [ts.createDiagnosticForNode(nodeToCheck, Messages.StatementOrExpressionExpected)];
+                    }
+                    if (ts.isInAmbientContext(nodeToCheck)) {
+                        return [ts.createDiagnosticForNode(nodeToCheck, Messages.CannotExtractAmbientBlock)];
+                    }
+                    var containingClass = ts.getContainingClass(nodeToCheck);
+                    if (containingClass) {
+                        checkForStaticContext(nodeToCheck, containingClass);
+                    }
+                    var errors;
+                    var permittedJumps = 4;
+                    var seenLabels;
+                    visit(nodeToCheck);
+                    return errors;
+                    function visit(node) {
+                        if (errors) {
+                            return true;
+                        }
+                        if (ts.isDeclaration(node)) {
+                            var declaringNode = (node.kind === 226) ? node.parent.parent : node;
+                            if (ts.hasModifier(declaringNode, 1)) {
+                                (errors || (errors = [])).push(ts.createDiagnosticForNode(node, Messages.CannotExtractExportedEntity));
+                                return true;
+                            }
+                            declarations.push(node.symbol);
+                        }
+                        switch (node.kind) {
+                            case 238:
+                                (errors || (errors = [])).push(ts.createDiagnosticForNode(node, Messages.CannotExtractFunction));
+                                return true;
+                            case 97:
+                                if (node.parent.kind === 181) {
+                                    var containingClass_1 = ts.getContainingClass(node);
+                                    if (containingClass_1.pos < span.start || containingClass_1.end >= (span.start + span.length)) {
+                                        (errors || (errors = [])).push(ts.createDiagnosticForNode(node, Messages.CannotExtractFunction));
+                                        return true;
+                                    }
+                                }
+                                else {
+                                    rangeFacts |= RangeFacts.UsesThis;
+                                }
+                                break;
+                        }
+                        if (!node || ts.isFunctionLike(node) || ts.isClassLike(node)) {
+                            switch (node.kind) {
+                                case 228:
+                                case 229:
+                                    if (node.parent.kind === 265 && node.parent.externalModuleIndicator === undefined) {
+                                        (errors || (errors = [])).push(ts.createDiagnosticForNode(node, Messages.FunctionWillNotBeVisibleInTheNewScope));
+                                    }
+                                    break;
+                            }
+                            return false;
+                        }
+                        var savedPermittedJumps = permittedJumps;
+                        switch (node.kind) {
+                            case 211:
+                                permittedJumps = 0;
+                                break;
+                            case 224:
+                                permittedJumps = 0;
+                                break;
+                            case 207:
+                                if (node.parent && node.parent.kind === 224 && node.finallyBlock === node) {
+                                    permittedJumps = 4;
+                                }
+                                break;
+                            case 257:
+                                permittedJumps |= 1;
+                                break;
+                            default:
+                                if (ts.isIterationStatement(node, false)) {
+                                    permittedJumps |= 1 | 2;
+                                }
+                                break;
+                        }
+                        switch (node.kind) {
+                            case 169:
+                            case 99:
+                                rangeFacts |= RangeFacts.UsesThis;
+                                break;
+                            case 222:
+                                {
+                                    var label = node.label;
+                                    (seenLabels || (seenLabels = [])).push(label.escapedText);
+                                    ts.forEachChild(node, visit);
+                                    seenLabels.pop();
+                                    break;
+                                }
+                            case 218:
+                            case 217:
+                                {
+                                    var label = node.label;
+                                    if (label) {
+                                        if (!ts.contains(seenLabels, label.escapedText)) {
+                                            (errors || (errors = [])).push(ts.createDiagnosticForNode(node, Messages.CannotExtractRangeContainingLabeledBreakOrContinueStatementWithTargetOutsideOfTheRange));
+                                        }
+                                    }
+                                    else {
+                                        if (!(permittedJumps & (node.kind === 218 ? 1 : 2))) {
+                                            (errors || (errors = [])).push(ts.createDiagnosticForNode(node, Messages.CannotExtractRangeContainingConditionalBreakOrContinueStatements));
+                                        }
+                                    }
+                                    break;
+                                }
+                            case 191:
+                                rangeFacts |= RangeFacts.IsAsyncFunction;
+                                break;
+                            case 197:
+                                rangeFacts |= RangeFacts.IsGenerator;
+                                break;
+                            case 219:
+                                if (permittedJumps & 4) {
+                                    rangeFacts |= RangeFacts.HasReturn;
+                                }
+                                else {
+                                    (errors || (errors = [])).push(ts.createDiagnosticForNode(node, Messages.CannotExtractRangeContainingConditionalReturnStatement));
+                                }
+                                break;
+                            default:
+                                ts.forEachChild(node, visit);
+                                break;
+                        }
+                        permittedJumps = savedPermittedJumps;
+                    }
+                }
+            }
+            extractMethod_1.getRangeToExtract = getRangeToExtract;
+            function getStatementOrExpressionRange(node) {
+                if (ts.isStatement(node)) {
+                    return [node];
+                }
+                else if (ts.isPartOfExpression(node)) {
+                    return ts.isExpressionStatement(node.parent) ? [node.parent] : node;
+                }
                 return undefined;
             }
-            var ctorDeclaration = ctorSymbol.valueDeclaration;
-            var changeTracker = ts.textChanges.ChangeTracker.fromCodeFixContext(context);
-            var precedingNode;
-            var newClassDeclaration;
-            switch (ctorDeclaration.kind) {
-                case 228:
-                    precedingNode = ctorDeclaration;
-                    deleteNode(ctorDeclaration);
-                    newClassDeclaration = createClassFromFunctionDeclaration(ctorDeclaration);
-                    break;
-                case 226:
-                    precedingNode = ctorDeclaration.parent.parent;
-                    if (ctorDeclaration.parent.declarations.length === 1) {
-                        deleteNode(precedingNode);
+            function isValidExtractionTarget(node) {
+                return (node.kind === 228) || ts.isSourceFile(node) || ts.isModuleBlock(node) || ts.isClassLike(node);
+            }
+            function collectEnclosingScopes(range) {
+                var current = isReadonlyArray(range.range) ? ts.firstOrUndefined(range.range) : range.range;
+                if (range.facts & RangeFacts.UsesThis) {
+                    var containingClass = ts.getContainingClass(current);
+                    if (containingClass) {
+                        return [containingClass];
+                    }
+                }
+                var start = current;
+                var scopes = undefined;
+                while (current) {
+                    if (current !== start && isValidExtractionTarget(current)) {
+                        (scopes = scopes || []).push(current);
+                    }
+                    if (current && current.parent && current.parent.kind === 146) {
+                        current = ts.findAncestor(current, function (parent) { return ts.isFunctionLike(parent); }).parent;
                     }
                     else {
-                        deleteNode(ctorDeclaration, true);
+                        current = current.parent;
                     }
-                    newClassDeclaration = createClassFromVariableDeclaration(ctorDeclaration);
-                    break;
+                }
+                return scopes;
             }
-            if (!newClassDeclaration) {
-                return undefined;
+            function getExtractionAtIndex(targetRange, context, requestedChangesIndex) {
+                var _a = getPossibleExtractionsWorker(targetRange, context), scopes = _a.scopes, _b = _a.readsAndWrites, target = _b.target, usagesPerScope = _b.usagesPerScope, errorsPerScope = _b.errorsPerScope;
+                ts.Debug.assert(!errorsPerScope[requestedChangesIndex].length, "The extraction went missing? How?");
+                context.cancellationToken.throwIfCancellationRequested();
+                return extractFunctionInScope(target, scopes[requestedChangesIndex], usagesPerScope[requestedChangesIndex], targetRange, context);
             }
-            changeTracker.insertNodeAfter(sourceFile, precedingNode, newClassDeclaration, { suffix: newLine });
-            for (var _i = 0, deletes_1 = deletes; _i < deletes_1.length; _i++) {
-                var deleteCallback = deletes_1[_i];
-                deleteCallback();
+            extractMethod_1.getExtractionAtIndex = getExtractionAtIndex;
+            function getPossibleExtractions(targetRange, context) {
+                var extractions = getPossibleExtractionsWorker(targetRange, context);
+                return extractions && extractions.scopes.map(function (scope, i) {
+                    return ({ scopeDescription: getDescriptionForScope(scope), errors: extractions.readsAndWrites.errorsPerScope[i] });
+                });
             }
-            return {
-                edits: changeTracker.getChanges()
-            };
-            function deleteNode(node, inList) {
-                if (inList === void 0) { inList = false; }
-                if (deletedNodes.some(function (n) { return ts.isNodeDescendantOf(node, n); })) {
-                    return;
+            extractMethod_1.getPossibleExtractions = getPossibleExtractions;
+            function getPossibleExtractionsWorker(targetRange, context) {
+                var sourceFile = context.file;
+                if (targetRange === undefined) {
+                    return undefined;
                 }
-                deletedNodes.push(node);
-                if (inList) {
-                    deletes.push(function () { return changeTracker.deleteNodeInList(sourceFile, node); });
+                var scopes = collectEnclosingScopes(targetRange);
+                if (scopes === undefined) {
+                    return undefined;
+                }
+                var enclosingTextRange = getEnclosingTextRange(targetRange, sourceFile);
+                var readsAndWrites = collectReadsAndWrites(targetRange, scopes, enclosingTextRange, sourceFile, context.program.getTypeChecker());
+                return { scopes: scopes, readsAndWrites: readsAndWrites };
+            }
+            function getDescriptionForScope(scope) {
+                if (ts.isFunctionLike(scope)) {
+                    switch (scope.kind) {
+                        case 152:
+                            return "constructor";
+                        case 186:
+                            return scope.name
+                                ? "function expression " + scope.name.text
+                                : "anonymous function expression";
+                        case 228:
+                            return "function '" + scope.name.text + "'";
+                        case 187:
+                            return "arrow function";
+                        case 151:
+                            return "method '" + scope.name.getText();
+                        case 153:
+                            return "'get " + scope.name.getText() + "'";
+                        case 154:
+                            return "'set " + scope.name.getText() + "'";
+                    }
+                }
+                else if (ts.isModuleBlock(scope)) {
+                    return "namespace '" + scope.parent.name.getText() + "'";
+                }
+                else if (ts.isClassLike(scope)) {
+                    return scope.kind === 229
+                        ? "class '" + scope.name.text + "'"
+                        : scope.name && scope.name.text
+                            ? "class expression '" + scope.name.text + "'"
+                            : "anonymous class expression";
+                }
+                else if (ts.isSourceFile(scope)) {
+                    return scope.externalModuleIndicator ? "module scope" : "global scope";
                 }
                 else {
-                    deletes.push(function () { return changeTracker.deleteNode(sourceFile, node); });
+                    return "unknown";
+                }
+            }
+            function getUniqueName(fileText) {
+                var functionNameText = "newFunction";
+                for (var i = 1; fileText.indexOf(functionNameText) !== -1; i++) {
+                    functionNameText = "newFunction_" + i;
                 }
+                return functionNameText;
             }
-            function createClassElementsFromSymbol(symbol) {
-                var memberElements = [];
-                if (symbol.members) {
-                    symbol.members.forEach(function (member) {
-                        var memberElement = createClassElement(member, undefined);
-                        if (memberElement) {
-                            memberElements.push(memberElement);
+            function extractFunctionInScope(node, scope, _a, range, context) {
+                var usagesInScope = _a.usages, substitutions = _a.substitutions;
+                var checker = context.program.getTypeChecker();
+                var file = scope.getSourceFile();
+                var functionNameText = getUniqueName(file.text);
+                var isJS = ts.isInJavaScriptFile(scope);
+                var functionName = ts.createIdentifier(functionNameText);
+                var returnType = undefined;
+                var parameters = [];
+                var callArguments = [];
+                var writes;
+                usagesInScope.forEach(function (usage, name) {
+                    var typeNode = undefined;
+                    if (!isJS) {
+                        var type = checker.getTypeOfSymbolAtLocation(usage.symbol, usage.node);
+                        type = checker.getBaseTypeOfLiteralType(type);
+                        typeNode = checker.typeToTypeNode(type, node, ts.NodeBuilderFlags.NoTruncation);
+                    }
+                    var paramDecl = ts.createParameter(undefined, undefined, undefined, name, undefined, typeNode);
+                    parameters.push(paramDecl);
+                    if (usage.usage === 2) {
+                        (writes || (writes = [])).push(usage);
+                    }
+                    callArguments.push(ts.createIdentifier(name));
+                });
+                if (ts.isExpression(node) && !isJS) {
+                    var contextualType = checker.getContextualType(node);
+                    returnType = checker.typeToTypeNode(contextualType);
+                }
+                var _b = transformFunctionBody(node, writes, substitutions, !!(range.facts & RangeFacts.HasReturn)), body = _b.body, returnValueProperty = _b.returnValueProperty;
+                var newFunction;
+                if (ts.isClassLike(scope)) {
+                    var modifiers = isJS ? [] : [ts.createToken(112)];
+                    if (range.facts & RangeFacts.InStaticRegion) {
+                        modifiers.push(ts.createToken(115));
+                    }
+                    if (range.facts & RangeFacts.IsAsyncFunction) {
+                        modifiers.push(ts.createToken(120));
+                    }
+                    newFunction = ts.createMethod(undefined, modifiers.length ? modifiers : undefined, range.facts & RangeFacts.IsGenerator ? ts.createToken(39) : undefined, functionName, undefined, undefined, parameters, returnType, body);
+                }
+                else {
+                    newFunction = ts.createFunctionDeclaration(undefined, range.facts & RangeFacts.IsAsyncFunction ? [ts.createToken(120)] : undefined, range.facts & RangeFacts.IsGenerator ? ts.createToken(39) : undefined, functionName, undefined, parameters, returnType, body);
+                }
+                var changeTracker = ts.textChanges.ChangeTracker.fromCodeFixContext(context);
+                var minInsertionPos = (isReadonlyArray(range.range) ? ts.lastOrUndefined(range.range) : range.range).end;
+                var nodeToInsertBefore = getNodeToInsertBefore(minInsertionPos, scope);
+                if (nodeToInsertBefore) {
+                    changeTracker.insertNodeBefore(context.file, nodeToInsertBefore, newFunction, { suffix: context.newLineCharacter + context.newLineCharacter });
+                }
+                else {
+                    changeTracker.insertNodeBefore(context.file, scope.getLastToken(), newFunction, { prefix: context.newLineCharacter, suffix: context.newLineCharacter });
+                }
+                var newNodes = [];
+                var called = getCalledExpression(scope, range, functionNameText);
+                var call = ts.createCall(called, undefined, callArguments);
+                if (range.facts & RangeFacts.IsGenerator) {
+                    call = ts.createYield(ts.createToken(39), call);
+                }
+                if (range.facts & RangeFacts.IsAsyncFunction) {
+                    call = ts.createAwait(call);
+                }
+                if (writes) {
+                    if (returnValueProperty) {
+                        newNodes.push(ts.createVariableStatement(undefined, [ts.createVariableDeclaration(returnValueProperty, ts.createKeywordTypeNode(119))]));
+                    }
+                    var assignments = getPropertyAssignmentsForWrites(writes);
+                    if (returnValueProperty) {
+                        assignments.unshift(ts.createShorthandPropertyAssignment(returnValueProperty));
+                    }
+                    if (assignments.length === 1) {
+                        if (returnValueProperty) {
+                            newNodes.push(ts.createReturn(ts.createIdentifier(returnValueProperty)));
+                        }
+                        else {
+                            newNodes.push(ts.createStatement(ts.createBinary(assignments[0].name, 58, call)));
+                            if (range.facts & RangeFacts.HasReturn) {
+                                newNodes.push(ts.createReturn());
+                            }
+                        }
+                    }
+                    else {
+                        newNodes.push(ts.createStatement(ts.createBinary(ts.createObjectLiteral(assignments), 58, call)));
+                        if (returnValueProperty) {
+                            newNodes.push(ts.createReturn(ts.createIdentifier(returnValueProperty)));
                         }
+                    }
+                }
+                else {
+                    if (range.facts & RangeFacts.HasReturn) {
+                        newNodes.push(ts.createReturn(call));
+                    }
+                    else if (isReadonlyArray(range.range)) {
+                        newNodes.push(ts.createStatement(call));
+                    }
+                    else {
+                        newNodes.push(call);
+                    }
+                }
+                if (isReadonlyArray(range.range)) {
+                    changeTracker.replaceNodesWithNodes(context.file, range.range, newNodes, {
+                        nodeSeparator: context.newLineCharacter,
+                        suffix: context.newLineCharacter
                     });
                 }
-                if (symbol.exports) {
-                    symbol.exports.forEach(function (member) {
-                        var memberElement = createClassElement(member, [ts.createToken(115)]);
-                        if (memberElement) {
-                            memberElements.push(memberElement);
+                else {
+                    changeTracker.replaceNodeWithNodes(context.file, range.range, newNodes, { nodeSeparator: context.newLineCharacter });
+                }
+                var edits = changeTracker.getChanges();
+                var renameRange = isReadonlyArray(range.range) ? range.range[0] : range.range;
+                var renameFilename = renameRange.getSourceFile().fileName;
+                var renameLocation = getRenameLocation(edits, renameFilename, functionNameText);
+                return { renameFilename: renameFilename, renameLocation: renameLocation, edits: edits };
+                function getStatementsOrClassElements(scope) {
+                    if (ts.isFunctionLike(scope)) {
+                        var body_1 = scope.body;
+                        if (ts.isBlock(body_1)) {
+                            return body_1.statements;
+                        }
+                    }
+                    else if (ts.isModuleBlock(scope) || ts.isSourceFile(scope)) {
+                        return scope.statements;
+                    }
+                    else if (ts.isClassLike(scope)) {
+                        return scope.members;
+                    }
+                    else {
+                        ts.assertTypeIsNever(scope);
+                    }
+                    return ts.emptyArray;
+                }
+                function getNodeToInsertBefore(minPos, scope) {
+                    var children = getStatementsOrClassElements(scope);
+                    for (var _i = 0, children_3 = children; _i < children_3.length; _i++) {
+                        var child = children_3[_i];
+                        if (child.pos >= minPos && ts.isFunctionLike(child) && !ts.isConstructorDeclaration(child)) {
+                            return child;
+                        }
+                    }
+                }
+            }
+            function getRenameLocation(edits, renameFilename, functionNameText) {
+                var delta = 0;
+                for (var _i = 0, edits_1 = edits; _i < edits_1.length; _i++) {
+                    var _a = edits_1[_i], fileName = _a.fileName, textChanges_1 = _a.textChanges;
+                    ts.Debug.assert(fileName === renameFilename);
+                    for (var _b = 0, textChanges_2 = textChanges_1; _b < textChanges_2.length; _b++) {
+                        var change = textChanges_2[_b];
+                        var span_17 = change.span, newText = change.newText;
+                        var index = newText.indexOf(functionNameText);
+                        if (index !== -1) {
+                            return span_17.start + delta + index;
+                        }
+                        delta += newText.length - span_17.length;
+                    }
+                }
+                throw new Error();
+            }
+            function getCalledExpression(scope, range, functionNameText) {
+                var functionReference = ts.createIdentifier(functionNameText);
+                if (ts.isClassLike(scope)) {
+                    var lhs = range.facts & RangeFacts.InStaticRegion ? ts.createIdentifier(scope.name.text) : ts.createThis();
+                    return ts.createPropertyAccess(lhs, functionReference);
+                }
+                else {
+                    return functionReference;
+                }
+            }
+            function transformFunctionBody(body, writes, substitutions, hasReturn) {
+                if (ts.isBlock(body) && !writes && substitutions.size === 0) {
+                    return { body: ts.createBlock(body.statements, true), returnValueProperty: undefined };
+                }
+                var returnValueProperty;
+                var ignoreReturns = false;
+                var statements = ts.createNodeArray(ts.isBlock(body) ? body.statements.slice(0) : [ts.isStatement(body) ? body : ts.createReturn(body)]);
+                if (writes || substitutions.size) {
+                    var rewrittenStatements = ts.visitNodes(statements, visitor).slice();
+                    if (writes && !hasReturn && ts.isStatement(body)) {
+                        var assignments = getPropertyAssignmentsForWrites(writes);
+                        if (assignments.length === 1) {
+                            rewrittenStatements.push(ts.createReturn(assignments[0].name));
+                        }
+                        else {
+                            rewrittenStatements.push(ts.createReturn(ts.createObjectLiteral(assignments)));
+                        }
+                    }
+                    return { body: ts.createBlock(rewrittenStatements, true), returnValueProperty: returnValueProperty };
+                }
+                else {
+                    return { body: ts.createBlock(statements, true), returnValueProperty: undefined };
+                }
+                function visitor(node) {
+                    if (!ignoreReturns && node.kind === 219 && writes) {
+                        var assignments = getPropertyAssignmentsForWrites(writes);
+                        if (node.expression) {
+                            if (!returnValueProperty) {
+                                returnValueProperty = "__return";
+                            }
+                            assignments.unshift(ts.createPropertyAssignment(returnValueProperty, ts.visitNode(node.expression, visitor)));
+                        }
+                        if (assignments.length === 1) {
+                            return ts.createReturn(assignments[0].name);
+                        }
+                        else {
+                            return ts.createReturn(ts.createObjectLiteral(assignments));
+                        }
+                    }
+                    else {
+                        var oldIgnoreReturns = ignoreReturns;
+                        ignoreReturns = ignoreReturns || ts.isFunctionLike(node) || ts.isClassLike(node);
+                        var substitution = substitutions.get(ts.getNodeId(node).toString());
+                        var result = substitution || ts.visitEachChild(node, visitor, ts.nullTransformationContext);
+                        ignoreReturns = oldIgnoreReturns;
+                        return result;
+                    }
+                }
+            }
+            function getPropertyAssignmentsForWrites(writes) {
+                return writes.map(function (w) { return ts.createShorthandPropertyAssignment(w.symbol.name); });
+            }
+            function isReadonlyArray(v) {
+                return ts.isArray(v);
+            }
+            function getEnclosingTextRange(targetRange, sourceFile) {
+                return isReadonlyArray(targetRange.range)
+                    ? { pos: targetRange.range[0].getStart(sourceFile), end: targetRange.range[targetRange.range.length - 1].getEnd() }
+                    : targetRange.range;
+            }
+            var Usage;
+            (function (Usage) {
+                Usage[Usage["Read"] = 1] = "Read";
+                Usage[Usage["Write"] = 2] = "Write";
+            })(Usage || (Usage = {}));
+            function collectReadsAndWrites(targetRange, scopes, enclosingTextRange, sourceFile, checker) {
+                var usagesPerScope = [];
+                var substitutionsPerScope = [];
+                var errorsPerScope = [];
+                var visibleDeclarationsInExtractedRange = [];
+                for (var _i = 0, scopes_1 = scopes; _i < scopes_1.length; _i++) {
+                    var _ = scopes_1[_i];
+                    usagesPerScope.push({ usages: ts.createMap(), substitutions: ts.createMap() });
+                    substitutionsPerScope.push(ts.createMap());
+                    errorsPerScope.push([]);
+                }
+                var seenUsages = ts.createMap();
+                var target = isReadonlyArray(targetRange.range) ? ts.createBlock(targetRange.range) : targetRange.range;
+                var containingLexicalScopeOfExtraction = ts.isBlockScope(scopes[0], scopes[0].parent) ? scopes[0] : ts.getEnclosingBlockScopeContainer(scopes[0]);
+                collectUsages(target);
+                var _loop_8 = function (i) {
+                    var hasWrite = false;
+                    var readonlyClassPropertyWrite = undefined;
+                    usagesPerScope[i].usages.forEach(function (value) {
+                        if (value.usage === 2) {
+                            hasWrite = true;
+                            if (value.symbol.flags & 106500 &&
+                                value.symbol.valueDeclaration &&
+                                ts.hasModifier(value.symbol.valueDeclaration, 64)) {
+                                readonlyClassPropertyWrite = value.symbol.valueDeclaration;
+                            }
                         }
                     });
+                    if (hasWrite && !isReadonlyArray(targetRange.range) && ts.isExpression(targetRange.range)) {
+                        errorsPerScope[i].push(ts.createDiagnosticForNode(targetRange.range, Messages.CannotCombineWritesAndReturns));
+                    }
+                    else if (readonlyClassPropertyWrite && i > 0) {
+                        errorsPerScope[i].push(ts.createDiagnosticForNode(readonlyClassPropertyWrite, Messages.CannotCombineWritesAndReturns));
+                    }
+                };
+                for (var i = 0; i < scopes.length; i++) {
+                    _loop_8(i);
                 }
-                return memberElements;
-                function shouldConvertDeclaration(_target, source) {
-                    return ts.isFunctionLike(source);
+                if (visibleDeclarationsInExtractedRange.length) {
+                    ts.forEachChild(containingLexicalScopeOfExtraction, checkForUsedDeclarations);
                 }
-                function createClassElement(symbol, modifiers) {
-                    if (!(symbol.flags & 4)) {
-                        return;
+                return { target: target, usagesPerScope: usagesPerScope, errorsPerScope: errorsPerScope };
+                function collectUsages(node, valueUsage) {
+                    if (valueUsage === void 0) { valueUsage = 1; }
+                    if (ts.isDeclaration(node) && node.symbol) {
+                        visibleDeclarationsInExtractedRange.push(node.symbol);
                     }
-                    var memberDeclaration = symbol.valueDeclaration;
-                    var assignmentBinaryExpression = memberDeclaration.parent;
-                    if (!shouldConvertDeclaration(memberDeclaration, assignmentBinaryExpression.right)) {
-                        return;
+                    if (ts.isAssignmentExpression(node)) {
+                        collectUsages(node.left, 2);
+                        collectUsages(node.right);
                     }
-                    var nodeToDelete = assignmentBinaryExpression.parent && assignmentBinaryExpression.parent.kind === 210
-                        ? assignmentBinaryExpression.parent : assignmentBinaryExpression;
-                    deleteNode(nodeToDelete);
-                    if (!assignmentBinaryExpression.right) {
-                        return ts.createProperty([], modifiers, symbol.name, undefined, undefined, undefined);
+                    else if (ts.isUnaryExpressionWithWrite(node)) {
+                        collectUsages(node.operand, 2);
                     }
-                    switch (assignmentBinaryExpression.right.kind) {
-                        case 186:
-                            var functionExpression = assignmentBinaryExpression.right;
-                            return ts.createMethod(undefined, modifiers, undefined, memberDeclaration.name, undefined, undefined, functionExpression.parameters, undefined, functionExpression.body);
-                        case 187:
-                            var arrowFunction = assignmentBinaryExpression.right;
-                            var arrowFunctionBody = arrowFunction.body;
-                            var bodyBlock = void 0;
-                            if (arrowFunctionBody.kind === 207) {
-                                bodyBlock = arrowFunctionBody;
+                    else if (ts.isPropertyAccessExpression(node) || ts.isElementAccessExpression(node)) {
+                        ts.forEachChild(node, collectUsages);
+                    }
+                    else if (ts.isIdentifier(node)) {
+                        if (!node.parent) {
+                            return;
+                        }
+                        if (ts.isQualifiedName(node.parent) && node !== node.parent.left) {
+                            return;
+                        }
+                        if (ts.isPropertyAccessExpression(node.parent) && node !== node.parent.expression) {
+                            return;
+                        }
+                        recordUsage(node, valueUsage, ts.isPartOfTypeNode(node));
+                    }
+                    else {
+                        ts.forEachChild(node, collectUsages);
+                    }
+                }
+                function recordUsage(n, usage, isTypeNode) {
+                    var symbolId = recordUsagebySymbol(n, usage, isTypeNode);
+                    if (symbolId) {
+                        for (var i = 0; i < scopes.length; i++) {
+                            var substitition = substitutionsPerScope[i].get(symbolId);
+                            if (substitition) {
+                                usagesPerScope[i].substitutions.set(ts.getNodeId(n).toString(), substitition);
                             }
-                            else {
-                                var expression = arrowFunctionBody;
-                                bodyBlock = ts.createBlock([ts.createReturn(expression)]);
+                        }
+                    }
+                }
+                function recordUsagebySymbol(identifier, usage, isTypeName) {
+                    var symbol = identifier.parent && ts.isShorthandPropertyAssignment(identifier.parent) && identifier.parent.name === identifier
+                        ? checker.getShorthandAssignmentValueSymbol(identifier.parent)
+                        : checker.getSymbolAtLocation(identifier);
+                    if (!symbol) {
+                        return undefined;
+                    }
+                    var symbolId = ts.getSymbolId(symbol).toString();
+                    var lastUsage = seenUsages.get(symbolId);
+                    if (lastUsage && lastUsage >= usage) {
+                        return symbolId;
+                    }
+                    seenUsages.set(symbolId, usage);
+                    if (lastUsage) {
+                        for (var _i = 0, usagesPerScope_1 = usagesPerScope; _i < usagesPerScope_1.length; _i++) {
+                            var perScope = usagesPerScope_1[_i];
+                            var prevEntry = perScope.usages.get(identifier.text);
+                            if (prevEntry) {
+                                perScope.usages.set(identifier.text, { usage: usage, symbol: symbol, node: identifier });
                             }
-                            return ts.createMethod(undefined, modifiers, undefined, memberDeclaration.name, undefined, undefined, arrowFunction.parameters, undefined, bodyBlock);
-                        default:
-                            if (ts.isSourceFileJavaScript(sourceFile)) {
-                                return;
+                        }
+                        return symbolId;
+                    }
+                    var declInFile = ts.find(symbol.getDeclarations(), function (d) { return d.getSourceFile() === sourceFile; });
+                    if (!declInFile) {
+                        return undefined;
+                    }
+                    if (ts.rangeContainsStartEnd(enclosingTextRange, declInFile.getStart(), declInFile.end)) {
+                        return undefined;
+                    }
+                    if (targetRange.facts & RangeFacts.IsGenerator && usage === 2) {
+                        for (var _a = 0, errorsPerScope_1 = errorsPerScope; _a < errorsPerScope_1.length; _a++) {
+                            var errors = errorsPerScope_1[_a];
+                            errors.push(ts.createDiagnosticForNode(identifier, Messages.CannotExtractRangeThatContainsWritesToReferencesLocatedOutsideOfTheTargetRangeInGenerators));
+                        }
+                    }
+                    for (var i = 0; i < scopes.length; i++) {
+                        var scope = scopes[i];
+                        var resolvedSymbol = checker.resolveName(symbol.name, scope, symbol.flags);
+                        if (resolvedSymbol === symbol) {
+                            continue;
+                        }
+                        if (!substitutionsPerScope[i].has(symbolId)) {
+                            var substitution = tryReplaceWithQualifiedNameOrPropertyAccess(symbol.exportSymbol || symbol, scope, isTypeName);
+                            if (substitution) {
+                                substitutionsPerScope[i].set(symbolId, substitution);
+                            }
+                            else if (isTypeName) {
+                                errorsPerScope[i].push(ts.createDiagnosticForNode(identifier, Messages.TypeWillNotBeVisibleInTheNewScope));
                             }
-                            return ts.createProperty(undefined, modifiers, memberDeclaration.name, undefined, undefined, assignmentBinaryExpression.right);
+                            else {
+                                usagesPerScope[i].usages.set(identifier.text, { usage: usage, symbol: symbol, node: identifier });
+                            }
+                        }
                     }
+                    return symbolId;
+                }
+                function checkForUsedDeclarations(node) {
+                    if (node === targetRange.range || (isReadonlyArray(targetRange.range) && targetRange.range.indexOf(node) >= 0)) {
+                        return;
+                    }
+                    var sym = checker.getSymbolAtLocation(node);
+                    if (sym && visibleDeclarationsInExtractedRange.some(function (d) { return d === sym; })) {
+                        for (var _i = 0, errorsPerScope_2 = errorsPerScope; _i < errorsPerScope_2.length; _i++) {
+                            var scope = errorsPerScope_2[_i];
+                            scope.push(ts.createDiagnosticForNode(node, Messages.CannotExtractExportedEntity));
+                        }
+                        return true;
+                    }
+                    else {
+                        ts.forEachChild(node, checkForUsedDeclarations);
+                    }
+                }
+                function tryReplaceWithQualifiedNameOrPropertyAccess(symbol, scopeDecl, isTypeNode) {
+                    if (!symbol) {
+                        return undefined;
+                    }
+                    if (symbol.getDeclarations().some(function (d) { return d.parent === scopeDecl; })) {
+                        return ts.createIdentifier(symbol.name);
+                    }
+                    var prefix = tryReplaceWithQualifiedNameOrPropertyAccess(symbol.parent, scopeDecl, isTypeNode);
+                    if (prefix === undefined) {
+                        return undefined;
+                    }
+                    return isTypeNode ? ts.createQualifiedName(prefix, ts.createIdentifier(symbol.name)) : ts.createPropertyAccess(prefix, symbol.name);
                 }
             }
-            function createClassFromVariableDeclaration(node) {
-                var initializer = node.initializer;
-                if (!initializer || initializer.kind !== 186) {
+            function getParentNodeInSpan(node, file, span) {
+                if (!node)
                     return undefined;
+                while (node.parent) {
+                    if (ts.isSourceFile(node.parent) || !spanContainsNode(span, node.parent, file)) {
+                        return node;
+                    }
+                    node = node.parent;
                 }
-                if (node.name.kind !== 71) {
-                    return undefined;
+            }
+            function spanContainsNode(span, node, file) {
+                return ts.textSpanContainsPosition(span, node.getStart(file)) &&
+                    node.getEnd() <= ts.textSpanEnd(span);
+            }
+            function isExtractableExpression(node) {
+                switch (node.parent.kind) {
+                    case 264:
+                        return false;
                 }
-                var memberElements = createClassElementsFromSymbol(initializer.symbol);
-                if (initializer.body) {
-                    memberElements.unshift(ts.createConstructor(undefined, undefined, initializer.parameters, initializer.body));
+                switch (node.kind) {
+                    case 9:
+                        return node.parent.kind !== 238 &&
+                            node.parent.kind !== 242;
+                    case 198:
+                    case 174:
+                    case 176:
+                        return false;
+                    case 71:
+                        return node.parent.kind !== 176 &&
+                            node.parent.kind !== 242 &&
+                            node.parent.kind !== 246;
                 }
-                return ts.createClassDeclaration(undefined, undefined, node.name, undefined, undefined, memberElements);
+                return true;
             }
-            function createClassFromFunctionDeclaration(node) {
-                var memberElements = createClassElementsFromSymbol(ctorSymbol);
-                if (node.body) {
-                    memberElements.unshift(ts.createConstructor(undefined, undefined, node.parameters, node.body));
+            function isBlockLike(node) {
+                switch (node.kind) {
+                    case 207:
+                    case 265:
+                    case 234:
+                    case 257:
+                        return true;
+                    default:
+                        return false;
                 }
-                return ts.createClassDeclaration(undefined, undefined, node.name, undefined, undefined, memberElements);
             }
-        }
+        })(extractMethod = refactor.extractMethod || (refactor.extractMethod = {}));
     })(refactor = ts.refactor || (ts.refactor = {}));
 })(ts || (ts = {}));
 var ts;
@@ -73491,7 +75463,7 @@ var ts;
             return pos;
         };
         NodeObject.prototype.createSyntaxList = function (nodes) {
-            var list = createNode(295, nodes.pos, nodes.end, this);
+            var list = createNode(286, nodes.pos, nodes.end, this);
             list._children = [];
             var pos = nodes.pos;
             for (var _i = 0, nodes_9 = nodes; _i < nodes_9.length; _i++) {
@@ -73514,9 +75486,9 @@ var ts;
                 return;
             }
             if (ts.isJSDocCommentContainingNode(this)) {
-                var children_3 = [];
-                this.forEachChild(function (child) { children_3.push(child); });
-                this._children = children_3;
+                var children_4 = [];
+                this.forEachChild(function (child) { children_4.push(child); });
+                this._children = children_4;
                 return;
             }
             var children = [];
@@ -73568,7 +75540,7 @@ var ts;
             if (!children.length) {
                 return undefined;
             }
-            var child = ts.find(children, function (kid) { return kid.kind < 267 || kid.kind > 294; });
+            var child = ts.find(children, function (kid) { return kid.kind < 267 || kid.kind > 285; });
             return child.kind < 143 ?
                 child :
                 child.getFirstToken(sourceFile);
@@ -73643,11 +75615,21 @@ var ts;
     var SymbolObject = (function () {
         function SymbolObject(flags, name) {
             this.flags = flags;
-            this.name = name;
+            this.escapedName = name;
         }
         SymbolObject.prototype.getFlags = function () {
             return this.flags;
         };
+        Object.defineProperty(SymbolObject.prototype, "name", {
+            get: function () {
+                return ts.unescapeLeadingUnderscores(this.escapedName);
+            },
+            enumerable: true,
+            configurable: true
+        });
+        SymbolObject.prototype.getEscapedName = function () {
+            return this.escapedName;
+        };
         SymbolObject.prototype.getName = function () {
             return this.name;
         };
@@ -73682,6 +75664,13 @@ var ts;
         function IdentifierObject(_kind, pos, end) {
             return _super.call(this, pos, end) || this;
         }
+        Object.defineProperty(IdentifierObject.prototype, "text", {
+            get: function () {
+                return ts.unescapeLeadingUnderscores(this.escapedText);
+            },
+            enumerable: true,
+            configurable: true
+        });
         return IdentifierObject;
     }(TokenOrIdentifierObject));
     IdentifierObject.prototype.kind = 71;
@@ -73813,26 +75802,16 @@ var ts;
             function getDeclarationName(declaration) {
                 var name = ts.getNameOfDeclaration(declaration);
                 if (name) {
-                    var result_8 = getTextOfIdentifierOrLiteral(name);
-                    if (result_8 !== undefined) {
-                        return result_8;
+                    var result_9 = ts.getTextOfIdentifierOrLiteral(name);
+                    if (result_9 !== undefined) {
+                        return result_9;
                     }
                     if (name.kind === 144) {
                         var expr = name.expression;
                         if (expr.kind === 179) {
                             return expr.name.text;
                         }
-                        return getTextOfIdentifierOrLiteral(expr);
-                    }
-                }
-                return undefined;
-            }
-            function getTextOfIdentifierOrLiteral(node) {
-                if (node) {
-                    if (node.kind === 71 ||
-                        node.kind === 9 ||
-                        node.kind === 8) {
-                        return node.text;
+                        return ts.getTextOfIdentifierOrLiteral(expr);
                     }
                 }
                 return undefined;
@@ -73868,7 +75847,6 @@ var ts;
                     case 237:
                     case 246:
                     case 242:
-                    case 237:
                     case 239:
                     case 240:
                     case 153:
@@ -73994,7 +75972,7 @@ var ts;
         function HostCache(host, getCanonicalFileName) {
             this.host = host;
             this.currentDirectory = host.getCurrentDirectory();
-            this.fileNameToEntry = ts.createFileMap();
+            this.fileNameToEntry = ts.createMap();
             var rootFileNames = host.getScriptFileNames();
             for (var _i = 0, rootFileNames_1 = rootFileNames; _i < rootFileNames_1.length; _i++) {
                 var fileName = rootFileNames_1[_i];
@@ -74023,7 +76001,7 @@ var ts;
             return this.fileNameToEntry.get(path);
         };
         HostCache.prototype.containsEntryByPath = function (path) {
-            return this.fileNameToEntry.contains(path);
+            return this.fileNameToEntry.has(path);
         };
         HostCache.prototype.getOrCreateEntryByPath = function (fileName, path) {
             return this.containsEntryByPath(path)
@@ -74032,7 +76010,7 @@ var ts;
         };
         HostCache.prototype.getRootFileNames = function () {
             var fileNames = [];
-            this.fileNameToEntry.forEachValue(function (_path, value) {
+            this.fileNameToEntry.forEach(function (value) {
                 if (value) {
                     fileNames.push(value.hostFileName);
                 }
@@ -74275,8 +76253,8 @@ var ts;
             if (program) {
                 var oldSourceFiles = program.getSourceFiles();
                 var oldSettingsKey = documentRegistry.getKeyForCompilationSettings(oldSettings);
-                for (var _i = 0, oldSourceFiles_1 = oldSourceFiles; _i < oldSourceFiles_1.length; _i++) {
-                    var oldSourceFile = oldSourceFiles_1[_i];
+                for (var _i = 0, oldSourceFiles_2 = oldSourceFiles; _i < oldSourceFiles_2.length; _i++) {
+                    var oldSourceFile = oldSourceFiles_2[_i];
                     if (!newProgram.getSourceFile(oldSourceFile.fileName) || shouldCreateNewSourceFiles) {
                         documentRegistry.releaseDocumentWithKey(oldSourceFile.path, oldSettingsKey);
                     }
@@ -74298,7 +76276,7 @@ var ts;
                 if (!shouldCreateNewSourceFiles) {
                     var oldSourceFile = program && program.getSourceFileByPath(path);
                     if (oldSourceFile) {
-                        ts.Debug.assert(hostFileInformation.scriptKind === oldSourceFile.scriptKind, "Registered script kind (" + oldSourceFile.scriptKind + ") should match new script kind (" + hostFileInformation.scriptKind + ") for file: " + path);
+                        ts.Debug.assertEqual(hostFileInformation.scriptKind, oldSourceFile.scriptKind, "Registered script kind should match new script kind.", path);
                         return documentRegistry.updateDocumentWithKey(fileName, path, newSettings, documentRegistryBucketKey, hostFileInformation.scriptSnapshot, hostFileInformation.version, hostFileInformation.scriptKind);
                     }
                 }
@@ -74325,7 +76303,15 @@ var ts;
                         return false;
                     }
                 }
-                return ts.compareDataObjects(program.getCompilerOptions(), hostCache.compilationSettings());
+                var currentOptions = program.getCompilerOptions();
+                var newOptions = hostCache.compilationSettings();
+                if (!ts.compareDataObjects(currentOptions, newOptions)) {
+                    return false;
+                }
+                if (currentOptions.configFile && newOptions.configFile) {
+                    return currentOptions.configFile.text === newOptions.configFile.text;
+                }
+                return true;
             }
         }
         function getProgram() {
@@ -74397,8 +76383,8 @@ var ts;
                         var type = typeChecker.getTypeAtLocation(node);
                         if (type) {
                             return {
-                                kind: ts.ScriptElementKind.unknown,
-                                kindModifiers: ts.ScriptElementKindModifier.none,
+                                kind: "",
+                                kindModifiers: "",
                                 textSpan: ts.createTextSpan(node.getStart(), node.getWidth()),
                                 displayParts: ts.typeToDisplayParts(typeChecker, type, ts.getContainerNode(node)),
                                 documentation: type.symbol ? type.symbol.getDocumentationComment() : undefined,
@@ -74458,7 +76444,7 @@ var ts;
                         result.push({
                             fileName: entry.fileName,
                             textSpan: highlightSpan.textSpan,
-                            isWriteAccess: highlightSpan.kind === ts.HighlightSpanKind.writtenReference,
+                            isWriteAccess: highlightSpan.kind === "writtenReference",
                             isDefinition: false,
                             isInString: highlightSpan.isInString,
                         });
@@ -74490,12 +76476,8 @@ var ts;
             synchronizeHostData();
             var sourceFile = getValidSourceFile(fileName);
             var outputFiles = [];
-            function writeFile(fileName, data, writeByteOrderMark) {
-                outputFiles.push({
-                    name: fileName,
-                    writeByteOrderMark: writeByteOrderMark,
-                    text: data
-                });
+            function writeFile(fileName, text, writeByteOrderMark) {
+                outputFiles.push({ name: fileName, writeByteOrderMark: writeByteOrderMark, text: text });
             }
             var customTransformers = host.getCustomTransformers && host.getCustomTransformers();
             var emitOutput = program.emit(sourceFile, writeFile, cancellationToken, emitOnlyDtsFiles, customTransformers);
@@ -74657,7 +76639,10 @@ var ts;
         function getFormattingEditsAfterKeystroke(fileName, position, key, options) {
             var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName);
             var settings = toEditorSettings(options);
-            if (key === "}") {
+            if (key === "{") {
+                return ts.formatting.formatOnOpeningCurly(position, sourceFile, getRuleProvider(settings), settings);
+            }
+            else if (key === "}") {
                 return ts.formatting.formatOnClosingCurly(position, sourceFile, getRuleProvider(settings), settings);
             }
             else if (key === ";") {
@@ -74671,27 +76656,13 @@ var ts;
         function getCodeFixesAtPosition(fileName, start, end, errorCodes, formatOptions) {
             synchronizeHostData();
             var sourceFile = getValidSourceFile(fileName);
-            var span = { start: start, length: end - start };
-            var newLineChar = ts.getNewLineOrDefaultFromHost(host);
-            var allFixes = [];
-            ts.forEach(ts.deduplicate(errorCodes), function (error) {
+            var span = ts.createTextSpanFromBounds(start, end);
+            var newLineCharacter = ts.getNewLineOrDefaultFromHost(host);
+            var rulesProvider = getRuleProvider(formatOptions);
+            return ts.flatMap(ts.deduplicate(errorCodes), function (errorCode) {
                 cancellationToken.throwIfCancellationRequested();
-                var context = {
-                    errorCode: error,
-                    sourceFile: sourceFile,
-                    span: span,
-                    program: program,
-                    newLineCharacter: newLineChar,
-                    host: host,
-                    cancellationToken: cancellationToken,
-                    rulesProvider: getRuleProvider(formatOptions)
-                };
-                var fixes = ts.codefix.getFixes(context);
-                if (fixes) {
-                    allFixes = allFixes.concat(fixes);
-                }
+                return ts.codefix.getFixes({ errorCode: errorCode, sourceFile: sourceFile, span: span, program: program, newLineCharacter: newLineCharacter, host: host, cancellationToken: cancellationToken, rulesProvider: rulesProvider });
             });
-            return allFixes;
         }
         function getDocCommentTemplateAtPosition(fileName, position) {
             return ts.JsDoc.getDocCommentTemplateAtPosition(ts.getNewLineOrDefaultFromHost(host), syntaxTreeCache.getCurrentSourceFile(fileName), position);
@@ -74710,6 +76681,12 @@ var ts;
             if (ts.isInTemplateString(sourceFile, position)) {
                 return false;
             }
+            switch (openingBrace) {
+                case 39:
+                case 34:
+                case 96:
+                    return !ts.isInComment(sourceFile, position);
+            }
             return true;
         }
         function getTodoComments(fileName, descriptors) {
@@ -74718,7 +76695,7 @@ var ts;
             cancellationToken.throwIfCancellationRequested();
             var fileContents = sourceFile.text;
             var result = [];
-            if (descriptors.length > 0) {
+            if (descriptors.length > 0 && !isNodeModulesFile(sourceFile.fileName)) {
                 var regExp = getTodoCommentsRegExp();
                 var matchArray = void 0;
                 while (matchArray = regExp.exec(fileContents)) {
@@ -74741,11 +76718,7 @@ var ts;
                         continue;
                     }
                     var message = matchArray[2];
-                    result.push({
-                        descriptor: descriptor,
-                        message: message,
-                        position: matchPosition
-                    });
+                    result.push({ descriptor: descriptor, message: message, position: matchPosition });
                 }
             }
             return result;
@@ -74769,6 +76742,10 @@ var ts;
                     (char >= 65 && char <= 90) ||
                     (char >= 48 && char <= 57);
             }
+            function isNodeModulesFile(path) {
+                var node_modulesFolderName = "/node_modules/";
+                return path.indexOf(node_modulesFolderName) !== -1;
+            }
         }
         function getRenameInfo(fileName, position) {
             synchronizeHostData();
@@ -74853,36 +76830,26 @@ var ts;
     }
     ts.getNameTable = getNameTable;
     function initializeNameTable(sourceFile) {
-        var nameTable = ts.createMap();
-        walk(sourceFile);
-        sourceFile.nameTable = nameTable;
-        function walk(node) {
-            switch (node.kind) {
-                case 71:
-                    setNameTable(node.text, node);
-                    break;
-                case 9:
-                case 8:
-                    if (ts.isDeclarationName(node) ||
-                        node.parent.kind === 248 ||
-                        isArgumentOfElementAccessExpression(node) ||
-                        ts.isLiteralComputedPropertyDeclarationName(node)) {
-                        setNameTable(node.text, node);
-                    }
-                    break;
-                default:
-                    ts.forEachChild(node, walk);
-                    if (node.jsDoc) {
-                        for (var _i = 0, _a = node.jsDoc; _i < _a.length; _i++) {
-                            var jsDoc = _a[_i];
-                            ts.forEachChild(jsDoc, walk);
-                        }
-                    }
+        var nameTable = sourceFile.nameTable = ts.createUnderscoreEscapedMap();
+        sourceFile.forEachChild(function walk(node) {
+            if (ts.isIdentifier(node) && node.escapedText || ts.isStringOrNumericLiteral(node) && literalIsName(node)) {
+                var text = ts.getEscapedTextOfIdentifierOrLiteral(node);
+                nameTable.set(text, nameTable.get(text) === undefined ? node.pos : -1);
             }
-        }
-        function setNameTable(text, node) {
-            nameTable.set(text, nameTable.get(text) === undefined ? node.pos : -1);
-        }
+            ts.forEachChild(node, walk);
+            if (node.jsDoc) {
+                for (var _i = 0, _a = node.jsDoc; _i < _a.length; _i++) {
+                    var jsDoc = _a[_i];
+                    ts.forEachChild(jsDoc, walk);
+                }
+            }
+        });
+    }
+    function literalIsName(node) {
+        return ts.isDeclarationName(node) ||
+            node.parent.kind === 248 ||
+            isArgumentOfElementAccessExpression(node) ||
+            ts.isLiteralComputedPropertyDeclarationName(node);
     }
     function isObjectLiteralElement(node) {
         switch (node.kind) {
@@ -74915,27 +76882,31 @@ var ts;
     function getPropertySymbolsFromContextualType(typeChecker, node) {
         var objectLiteral = node.parent;
         var contextualType = typeChecker.getContextualType(objectLiteral);
-        var name = ts.getTextOfPropertyName(node.name);
-        if (name && contextualType) {
-            var result_9 = [];
-            var symbol = contextualType.getProperty(name);
-            if (contextualType.flags & 65536) {
-                ts.forEach(contextualType.types, function (t) {
+        return getPropertySymbolsFromType(contextualType, node.name);
+    }
+    ts.getPropertySymbolsFromContextualType = getPropertySymbolsFromContextualType;
+    function getPropertySymbolsFromType(type, propName) {
+        var name = ts.unescapeLeadingUnderscores(ts.getTextOfPropertyName(propName));
+        if (name && type) {
+            var result_10 = [];
+            var symbol = type.getProperty(name);
+            if (type.flags & 65536) {
+                ts.forEach(type.types, function (t) {
                     var symbol = t.getProperty(name);
                     if (symbol) {
-                        result_9.push(symbol);
+                        result_10.push(symbol);
                     }
                 });
-                return result_9;
+                return result_10;
             }
             if (symbol) {
-                result_9.push(symbol);
-                return result_9;
+                result_10.push(symbol);
+                return result_10;
             }
         }
         return undefined;
     }
-    ts.getPropertySymbolsFromContextualType = getPropertySymbolsFromContextualType;
+    ts.getPropertySymbolsFromType = getPropertySymbolsFromType;
     function isArgumentOfElementAccessExpression(node) {
         return node &&
             node.parent &&
@@ -74992,7 +76963,7 @@ var ts;
             LogLevel[LogLevel["requestTime"] = 2] = "requestTime";
             LogLevel[LogLevel["verbose"] = 3] = "verbose";
         })(LogLevel = server.LogLevel || (server.LogLevel = {}));
-        server.emptyArray = [];
+        server.emptyArray = createSortedArray();
         var Msg;
         (function (Msg) {
             Msg.Err = "Err";
@@ -75013,7 +76984,7 @@ var ts;
         function createInstallTypingsRequest(project, typeAcquisition, unresolvedImports, cachePath) {
             return {
                 projectName: project.getProjectName(),
-                fileNames: project.getFileNames(true),
+                fileNames: project.getFileNames(true, true),
                 compilerOptions: project.getCompilerOptions(),
                 typeAcquisition: typeAcquisition,
                 unresolvedImports: unresolvedImports,
@@ -75070,22 +77041,6 @@ var ts;
             }
         }
         server.mergeMapLikes = mergeMapLikes;
-        function removeItemFromSet(items, itemToRemove) {
-            if (items.length === 0) {
-                return;
-            }
-            var index = items.indexOf(itemToRemove);
-            if (index < 0) {
-                return;
-            }
-            if (index === items.length - 1) {
-                items.pop();
-            }
-            else {
-                items[index] = items.pop();
-            }
-        }
-        server.removeItemFromSet = removeItemFromSet;
         function toNormalizedPath(fileName) {
             return ts.normalizePath(fileName);
         }
@@ -75125,42 +77080,10 @@ var ts;
             return "/dev/null/inferredProject" + counter + "*";
         }
         server.makeInferredProjectName = makeInferredProjectName;
-        function toSortedReadonlyArray(arr) {
-            arr.sort();
-            return arr;
-        }
-        server.toSortedReadonlyArray = toSortedReadonlyArray;
-        function enumerateInsertsAndDeletes(a, b, inserted, deleted, compare) {
-            compare = compare || ts.compareValues;
-            var aIndex = 0;
-            var bIndex = 0;
-            var aLen = a.length;
-            var bLen = b.length;
-            while (aIndex < aLen && bIndex < bLen) {
-                var aItem = a[aIndex];
-                var bItem = b[bIndex];
-                var compareResult = compare(aItem, bItem);
-                if (compareResult === -1) {
-                    inserted(aItem);
-                    aIndex++;
-                }
-                else if (compareResult === 1) {
-                    deleted(bItem);
-                    bIndex++;
-                }
-                else {
-                    aIndex++;
-                    bIndex++;
-                }
-            }
-            while (aIndex < aLen) {
-                inserted(a[aIndex++]);
-            }
-            while (bIndex < bLen) {
-                deleted(b[bIndex++]);
-            }
+        function createSortedArray() {
+            return [];
         }
-        server.enumerateInsertsAndDeletes = enumerateInsertsAndDeletes;
+        server.createSortedArray = createSortedArray;
         var ThrottledOperations = (function () {
             function ThrottledOperations(host) {
                 this.host = host;
@@ -75207,6 +77130,208 @@ var ts;
         server.GcTimer = GcTimer;
     })(server = ts.server || (ts.server = {}));
 })(ts || (ts = {}));
+(function (ts) {
+    var server;
+    (function (server) {
+        function insertSorted(array, insert, compare) {
+            if (array.length === 0) {
+                array.push(insert);
+                return;
+            }
+            var insertIndex = ts.binarySearch(array, insert, compare);
+            if (insertIndex < 0) {
+                array.splice(~insertIndex, 0, insert);
+            }
+        }
+        server.insertSorted = insertSorted;
+        function removeSorted(array, remove, compare) {
+            if (!array || array.length === 0) {
+                return;
+            }
+            if (array[0] === remove) {
+                array.splice(0, 1);
+                return;
+            }
+            var removeIndex = ts.binarySearch(array, remove, compare);
+            if (removeIndex >= 0) {
+                array.splice(removeIndex, 1);
+            }
+        }
+        server.removeSorted = removeSorted;
+        function toSortedArray(arr, comparer) {
+            arr.sort(comparer);
+            return arr;
+        }
+        server.toSortedArray = toSortedArray;
+        function toDeduplicatedSortedArray(arr) {
+            arr.sort();
+            ts.filterMutate(arr, isNonDuplicateInSortedArray);
+            return arr;
+        }
+        server.toDeduplicatedSortedArray = toDeduplicatedSortedArray;
+        function isNonDuplicateInSortedArray(value, index, array) {
+            return index === 0 || value !== array[index - 1];
+        }
+        function enumerateInsertsAndDeletes(newItems, oldItems, inserted, deleted, compare) {
+            compare = compare || ts.compareValues;
+            var newIndex = 0;
+            var oldIndex = 0;
+            var newLen = newItems.length;
+            var oldLen = oldItems.length;
+            while (newIndex < newLen && oldIndex < oldLen) {
+                var newItem = newItems[newIndex];
+                var oldItem = oldItems[oldIndex];
+                var compareResult = compare(newItem, oldItem);
+                if (compareResult === -1) {
+                    inserted(newItem);
+                    newIndex++;
+                }
+                else if (compareResult === 1) {
+                    deleted(oldItem);
+                    oldIndex++;
+                }
+                else {
+                    newIndex++;
+                    oldIndex++;
+                }
+            }
+            while (newIndex < newLen) {
+                inserted(newItems[newIndex++]);
+            }
+            while (oldIndex < oldLen) {
+                deleted(oldItems[oldIndex++]);
+            }
+        }
+        server.enumerateInsertsAndDeletes = enumerateInsertsAndDeletes;
+    })(server = ts.server || (ts.server = {}));
+})(ts || (ts = {}));
+var ts;
+(function (ts) {
+    var server;
+    (function (server) {
+        var protocol;
+        (function (protocol) {
+            var CommandTypes;
+            (function (CommandTypes) {
+                CommandTypes["Brace"] = "brace";
+                CommandTypes["BraceFull"] = "brace-full";
+                CommandTypes["BraceCompletion"] = "braceCompletion";
+                CommandTypes["Change"] = "change";
+                CommandTypes["Close"] = "close";
+                CommandTypes["Completions"] = "completions";
+                CommandTypes["CompletionsFull"] = "completions-full";
+                CommandTypes["CompletionDetails"] = "completionEntryDetails";
+                CommandTypes["CompileOnSaveAffectedFileList"] = "compileOnSaveAffectedFileList";
+                CommandTypes["CompileOnSaveEmitFile"] = "compileOnSaveEmitFile";
+                CommandTypes["Configure"] = "configure";
+                CommandTypes["Definition"] = "definition";
+                CommandTypes["DefinitionFull"] = "definition-full";
+                CommandTypes["Implementation"] = "implementation";
+                CommandTypes["ImplementationFull"] = "implementation-full";
+                CommandTypes["Exit"] = "exit";
+                CommandTypes["Format"] = "format";
+                CommandTypes["Formatonkey"] = "formatonkey";
+                CommandTypes["FormatFull"] = "format-full";
+                CommandTypes["FormatonkeyFull"] = "formatonkey-full";
+                CommandTypes["FormatRangeFull"] = "formatRange-full";
+                CommandTypes["Geterr"] = "geterr";
+                CommandTypes["GeterrForProject"] = "geterrForProject";
+                CommandTypes["SemanticDiagnosticsSync"] = "semanticDiagnosticsSync";
+                CommandTypes["SyntacticDiagnosticsSync"] = "syntacticDiagnosticsSync";
+                CommandTypes["NavBar"] = "navbar";
+                CommandTypes["NavBarFull"] = "navbar-full";
+                CommandTypes["Navto"] = "navto";
+                CommandTypes["NavtoFull"] = "navto-full";
+                CommandTypes["NavTree"] = "navtree";
+                CommandTypes["NavTreeFull"] = "navtree-full";
+                CommandTypes["Occurrences"] = "occurrences";
+                CommandTypes["DocumentHighlights"] = "documentHighlights";
+                CommandTypes["DocumentHighlightsFull"] = "documentHighlights-full";
+                CommandTypes["Open"] = "open";
+                CommandTypes["Quickinfo"] = "quickinfo";
+                CommandTypes["QuickinfoFull"] = "quickinfo-full";
+                CommandTypes["References"] = "references";
+                CommandTypes["ReferencesFull"] = "references-full";
+                CommandTypes["Reload"] = "reload";
+                CommandTypes["Rename"] = "rename";
+                CommandTypes["RenameInfoFull"] = "rename-full";
+                CommandTypes["RenameLocationsFull"] = "renameLocations-full";
+                CommandTypes["Saveto"] = "saveto";
+                CommandTypes["SignatureHelp"] = "signatureHelp";
+                CommandTypes["SignatureHelpFull"] = "signatureHelp-full";
+                CommandTypes["TypeDefinition"] = "typeDefinition";
+                CommandTypes["ProjectInfo"] = "projectInfo";
+                CommandTypes["ReloadProjects"] = "reloadProjects";
+                CommandTypes["Unknown"] = "unknown";
+                CommandTypes["OpenExternalProject"] = "openExternalProject";
+                CommandTypes["OpenExternalProjects"] = "openExternalProjects";
+                CommandTypes["CloseExternalProject"] = "closeExternalProject";
+                CommandTypes["SynchronizeProjectList"] = "synchronizeProjectList";
+                CommandTypes["ApplyChangedToOpenFiles"] = "applyChangedToOpenFiles";
+                CommandTypes["EncodedSemanticClassificationsFull"] = "encodedSemanticClassifications-full";
+                CommandTypes["Cleanup"] = "cleanup";
+                CommandTypes["OutliningSpans"] = "outliningSpans";
+                CommandTypes["TodoComments"] = "todoComments";
+                CommandTypes["Indentation"] = "indentation";
+                CommandTypes["DocCommentTemplate"] = "docCommentTemplate";
+                CommandTypes["CompilerOptionsDiagnosticsFull"] = "compilerOptionsDiagnostics-full";
+                CommandTypes["NameOrDottedNameSpan"] = "nameOrDottedNameSpan";
+                CommandTypes["BreakpointStatement"] = "breakpointStatement";
+                CommandTypes["CompilerOptionsForInferredProjects"] = "compilerOptionsForInferredProjects";
+                CommandTypes["GetCodeFixes"] = "getCodeFixes";
+                CommandTypes["GetCodeFixesFull"] = "getCodeFixes-full";
+                CommandTypes["GetSupportedCodeFixes"] = "getSupportedCodeFixes";
+                CommandTypes["GetApplicableRefactors"] = "getApplicableRefactors";
+                CommandTypes["GetEditsForRefactor"] = "getEditsForRefactor";
+                CommandTypes["GetEditsForRefactorFull"] = "getEditsForRefactor-full";
+            })(CommandTypes = protocol.CommandTypes || (protocol.CommandTypes = {}));
+            var IndentStyle;
+            (function (IndentStyle) {
+                IndentStyle["None"] = "None";
+                IndentStyle["Block"] = "Block";
+                IndentStyle["Smart"] = "Smart";
+            })(IndentStyle = protocol.IndentStyle || (protocol.IndentStyle = {}));
+            var JsxEmit;
+            (function (JsxEmit) {
+                JsxEmit["None"] = "None";
+                JsxEmit["Preserve"] = "Preserve";
+                JsxEmit["ReactNative"] = "ReactNative";
+                JsxEmit["React"] = "React";
+            })(JsxEmit = protocol.JsxEmit || (protocol.JsxEmit = {}));
+            var ModuleKind;
+            (function (ModuleKind) {
+                ModuleKind["None"] = "None";
+                ModuleKind["CommonJS"] = "CommonJS";
+                ModuleKind["AMD"] = "AMD";
+                ModuleKind["UMD"] = "UMD";
+                ModuleKind["System"] = "System";
+                ModuleKind["ES6"] = "ES6";
+                ModuleKind["ES2015"] = "ES2015";
+                ModuleKind["ESNext"] = "ESNext";
+            })(ModuleKind = protocol.ModuleKind || (protocol.ModuleKind = {}));
+            var ModuleResolutionKind;
+            (function (ModuleResolutionKind) {
+                ModuleResolutionKind["Classic"] = "Classic";
+                ModuleResolutionKind["Node"] = "Node";
+            })(ModuleResolutionKind = protocol.ModuleResolutionKind || (protocol.ModuleResolutionKind = {}));
+            var NewLineKind;
+            (function (NewLineKind) {
+                NewLineKind["Crlf"] = "Crlf";
+                NewLineKind["Lf"] = "Lf";
+            })(NewLineKind = protocol.NewLineKind || (protocol.NewLineKind = {}));
+            var ScriptTarget;
+            (function (ScriptTarget) {
+                ScriptTarget["ES3"] = "ES3";
+                ScriptTarget["ES5"] = "ES5";
+                ScriptTarget["ES6"] = "ES6";
+                ScriptTarget["ES2015"] = "ES2015";
+                ScriptTarget["ES2016"] = "ES2016";
+                ScriptTarget["ES2017"] = "ES2017";
+                ScriptTarget["ESNext"] = "ESNext";
+            })(ScriptTarget = protocol.ScriptTarget || (protocol.ScriptTarget = {}));
+        })(protocol = server.protocol || (server.protocol = {}));
+    })(server = ts.server || (ts.server = {}));
+})(ts || (ts = {}));
 var ts;
 (function (ts) {
     var server;
@@ -75259,100 +77384,28 @@ var ts;
                 source: diag.source
             };
         }
-        function formatConfigFileDiag(diag) {
-            return {
-                start: undefined,
-                end: undefined,
-                text: ts.flattenDiagnosticMessageText(diag.messageText, "\n"),
-                category: ts.DiagnosticCategory[diag.category].toLowerCase(),
-                source: diag.source
-            };
+        function convertToLocation(lineAndCharacter) {
+            return { line: lineAndCharacter.line + 1, offset: lineAndCharacter.character + 1 };
+        }
+        function formatConfigFileDiag(diag, includeFileName) {
+            var start = diag.file && convertToLocation(ts.getLineAndCharacterOfPosition(diag.file, diag.start));
+            var end = diag.file && convertToLocation(ts.getLineAndCharacterOfPosition(diag.file, diag.start + diag.length));
+            var text = ts.flattenDiagnosticMessageText(diag.messageText, "\n");
+            var code = diag.code, source = diag.source;
+            var category = ts.DiagnosticCategory[diag.category].toLowerCase();
+            return includeFileName ? { start: start, end: end, text: text, code: code, category: category, source: source, fileName: diag.file && diag.file.fileName } :
+                { start: start, end: end, text: text, code: code, category: category, source: source };
         }
         function allEditsBeforePos(edits, pos) {
-            for (var _i = 0, edits_1 = edits; _i < edits_1.length; _i++) {
-                var edit = edits_1[_i];
+            for (var _i = 0, edits_2 = edits; _i < edits_2.length; _i++) {
+                var edit = edits_2[_i];
                 if (ts.textSpanEnd(edit.span) >= pos) {
                     return false;
                 }
             }
             return true;
         }
-        var CommandNames;
-        (function (CommandNames) {
-            CommandNames.Brace = "brace";
-            CommandNames.BraceFull = "brace-full";
-            CommandNames.BraceCompletion = "braceCompletion";
-            CommandNames.Change = "change";
-            CommandNames.Close = "close";
-            CommandNames.Completions = "completions";
-            CommandNames.CompletionsFull = "completions-full";
-            CommandNames.CompletionDetails = "completionEntryDetails";
-            CommandNames.CompileOnSaveAffectedFileList = "compileOnSaveAffectedFileList";
-            CommandNames.CompileOnSaveEmitFile = "compileOnSaveEmitFile";
-            CommandNames.Configure = "configure";
-            CommandNames.Definition = "definition";
-            CommandNames.DefinitionFull = "definition-full";
-            CommandNames.Exit = "exit";
-            CommandNames.Format = "format";
-            CommandNames.Formatonkey = "formatonkey";
-            CommandNames.FormatFull = "format-full";
-            CommandNames.FormatonkeyFull = "formatonkey-full";
-            CommandNames.FormatRangeFull = "formatRange-full";
-            CommandNames.Geterr = "geterr";
-            CommandNames.GeterrForProject = "geterrForProject";
-            CommandNames.Implementation = "implementation";
-            CommandNames.ImplementationFull = "implementation-full";
-            CommandNames.SemanticDiagnosticsSync = "semanticDiagnosticsSync";
-            CommandNames.SyntacticDiagnosticsSync = "syntacticDiagnosticsSync";
-            CommandNames.NavBar = "navbar";
-            CommandNames.NavBarFull = "navbar-full";
-            CommandNames.NavTree = "navtree";
-            CommandNames.NavTreeFull = "navtree-full";
-            CommandNames.Navto = "navto";
-            CommandNames.NavtoFull = "navto-full";
-            CommandNames.Occurrences = "occurrences";
-            CommandNames.DocumentHighlights = "documentHighlights";
-            CommandNames.DocumentHighlightsFull = "documentHighlights-full";
-            CommandNames.Open = "open";
-            CommandNames.Quickinfo = "quickinfo";
-            CommandNames.QuickinfoFull = "quickinfo-full";
-            CommandNames.References = "references";
-            CommandNames.ReferencesFull = "references-full";
-            CommandNames.Reload = "reload";
-            CommandNames.Rename = "rename";
-            CommandNames.RenameInfoFull = "rename-full";
-            CommandNames.RenameLocationsFull = "renameLocations-full";
-            CommandNames.Saveto = "saveto";
-            CommandNames.SignatureHelp = "signatureHelp";
-            CommandNames.SignatureHelpFull = "signatureHelp-full";
-            CommandNames.TypeDefinition = "typeDefinition";
-            CommandNames.ProjectInfo = "projectInfo";
-            CommandNames.ReloadProjects = "reloadProjects";
-            CommandNames.Unknown = "unknown";
-            CommandNames.OpenExternalProject = "openExternalProject";
-            CommandNames.OpenExternalProjects = "openExternalProjects";
-            CommandNames.CloseExternalProject = "closeExternalProject";
-            CommandNames.SynchronizeProjectList = "synchronizeProjectList";
-            CommandNames.ApplyChangedToOpenFiles = "applyChangedToOpenFiles";
-            CommandNames.EncodedSemanticClassificationsFull = "encodedSemanticClassifications-full";
-            CommandNames.Cleanup = "cleanup";
-            CommandNames.OutliningSpans = "outliningSpans";
-            CommandNames.TodoComments = "todoComments";
-            CommandNames.Indentation = "indentation";
-            CommandNames.DocCommentTemplate = "docCommentTemplate";
-            CommandNames.CompilerOptionsDiagnosticsFull = "compilerOptionsDiagnostics-full";
-            CommandNames.NameOrDottedNameSpan = "nameOrDottedNameSpan";
-            CommandNames.BreakpointStatement = "breakpointStatement";
-            CommandNames.CompilerOptionsForInferredProjects = "compilerOptionsForInferredProjects";
-            CommandNames.GetCodeFixes = "getCodeFixes";
-            CommandNames.GetCodeFixesFull = "getCodeFixes-full";
-            CommandNames.GetSupportedCodeFixes = "getSupportedCodeFixes";
-            CommandNames.GetApplicableRefactors = "getApplicableRefactors";
-            CommandNames.GetRefactorCodeActions = "getRefactorCodeActions";
-            CommandNames.GetRefactorCodeActionsFull = "getRefactorCodeActions-full";
-            CommandNames.GetEditsForRefactor = "getEditsForRefactor";
-            CommandNames.GetEditsForRefactorFull = "getEditsForRefactor-full";
-        })(CommandNames = server.CommandNames || (server.CommandNames = {}));
+        server.CommandNames = server.protocol.CommandTypes;
         function formatMessage(msg, logger, byteLength, newLine) {
             var verboseLogging = logger.hasLevel(server.LogLevel.verbose);
             var json = JSON.stringify(msg);
@@ -75365,26 +77418,17 @@ var ts;
         server.formatMessage = formatMessage;
         var MultistepOperation = (function () {
             function MultistepOperation(operationHost) {
-                var _this = this;
                 this.operationHost = operationHost;
-                this.completed = true;
-                this.next = {
-                    immediate: function (action) { return _this.immediate(action); },
-                    delay: function (ms, action) { return _this.delay(ms, action); }
-                };
             }
             MultistepOperation.prototype.startNew = function (action) {
                 this.complete();
                 this.requestId = this.operationHost.getCurrentRequestId();
-                this.completed = false;
                 this.executeAction(action);
             };
             MultistepOperation.prototype.complete = function () {
-                if (!this.completed) {
-                    if (this.requestId) {
-                        this.operationHost.sendRequestCompletedEvent(this.requestId);
-                    }
-                    this.completed = true;
+                if (this.requestId !== undefined) {
+                    this.operationHost.sendRequestCompletedEvent(this.requestId);
+                    this.requestId = undefined;
                 }
                 this.setTimerHandle(undefined);
                 this.setImmediateId(undefined);
@@ -75414,7 +77458,7 @@ var ts;
                         stop = true;
                     }
                     else {
-                        action(this.next);
+                        action(this);
                     }
                 }
                 catch (e) {
@@ -75449,19 +77493,19 @@ var ts;
                 var _this = this;
                 this.changeSeq = 0;
                 this.handlers = ts.createMapFromTemplate((_a = {},
-                    _a[CommandNames.OpenExternalProject] = function (request) {
+                    _a[server.CommandNames.OpenExternalProject] = function (request) {
                         _this.projectService.openExternalProject(request.arguments, false);
                         return _this.requiredResponse(true);
                     },
-                    _a[CommandNames.OpenExternalProjects] = function (request) {
+                    _a[server.CommandNames.OpenExternalProjects] = function (request) {
                         _this.projectService.openExternalProjects(request.arguments.projects);
                         return _this.requiredResponse(true);
                     },
-                    _a[CommandNames.CloseExternalProject] = function (request) {
+                    _a[server.CommandNames.CloseExternalProject] = function (request) {
                         _this.projectService.closeExternalProject(request.arguments.projectFileName);
                         return _this.requiredResponse(true);
                     },
-                    _a[CommandNames.SynchronizeProjectList] = function (request) {
+                    _a[server.CommandNames.SynchronizeProjectList] = function (request) {
                         var result = _this.projectService.synchronizeProjectList(request.arguments.knownProjects);
                         if (!result.some(function (p) { return p.projectErrors && p.projectErrors.length !== 0; })) {
                             return _this.requiredResponse(result);
@@ -75479,219 +77523,219 @@ var ts;
                         });
                         return _this.requiredResponse(converted);
                     },
-                    _a[CommandNames.ApplyChangedToOpenFiles] = function (request) {
+                    _a[server.CommandNames.ApplyChangedToOpenFiles] = function (request) {
                         _this.projectService.applyChangesInOpenFiles(request.arguments.openFiles, request.arguments.changedFiles, request.arguments.closedFiles);
                         _this.changeSeq++;
                         return _this.requiredResponse(true);
                     },
-                    _a[CommandNames.Exit] = function () {
+                    _a[server.CommandNames.Exit] = function () {
                         _this.exit();
                         return _this.notRequired();
                     },
-                    _a[CommandNames.Definition] = function (request) {
+                    _a[server.CommandNames.Definition] = function (request) {
                         return _this.requiredResponse(_this.getDefinition(request.arguments, true));
                     },
-                    _a[CommandNames.DefinitionFull] = function (request) {
+                    _a[server.CommandNames.DefinitionFull] = function (request) {
                         return _this.requiredResponse(_this.getDefinition(request.arguments, false));
                     },
-                    _a[CommandNames.TypeDefinition] = function (request) {
+                    _a[server.CommandNames.TypeDefinition] = function (request) {
                         return _this.requiredResponse(_this.getTypeDefinition(request.arguments));
                     },
-                    _a[CommandNames.Implementation] = function (request) {
+                    _a[server.CommandNames.Implementation] = function (request) {
                         return _this.requiredResponse(_this.getImplementation(request.arguments, true));
                     },
-                    _a[CommandNames.ImplementationFull] = function (request) {
+                    _a[server.CommandNames.ImplementationFull] = function (request) {
                         return _this.requiredResponse(_this.getImplementation(request.arguments, false));
                     },
-                    _a[CommandNames.References] = function (request) {
+                    _a[server.CommandNames.References] = function (request) {
                         return _this.requiredResponse(_this.getReferences(request.arguments, true));
                     },
-                    _a[CommandNames.ReferencesFull] = function (request) {
+                    _a[server.CommandNames.ReferencesFull] = function (request) {
                         return _this.requiredResponse(_this.getReferences(request.arguments, false));
                     },
-                    _a[CommandNames.Rename] = function (request) {
+                    _a[server.CommandNames.Rename] = function (request) {
                         return _this.requiredResponse(_this.getRenameLocations(request.arguments, true));
                     },
-                    _a[CommandNames.RenameLocationsFull] = function (request) {
+                    _a[server.CommandNames.RenameLocationsFull] = function (request) {
                         return _this.requiredResponse(_this.getRenameLocations(request.arguments, false));
                     },
-                    _a[CommandNames.RenameInfoFull] = function (request) {
+                    _a[server.CommandNames.RenameInfoFull] = function (request) {
                         return _this.requiredResponse(_this.getRenameInfo(request.arguments));
                     },
-                    _a[CommandNames.Open] = function (request) {
+                    _a[server.CommandNames.Open] = function (request) {
                         _this.openClientFile(server.toNormalizedPath(request.arguments.file), request.arguments.fileContent, server.convertScriptKindName(request.arguments.scriptKindName), request.arguments.projectRootPath ? server.toNormalizedPath(request.arguments.projectRootPath) : undefined);
                         return _this.notRequired();
                     },
-                    _a[CommandNames.Quickinfo] = function (request) {
+                    _a[server.CommandNames.Quickinfo] = function (request) {
                         return _this.requiredResponse(_this.getQuickInfoWorker(request.arguments, true));
                     },
-                    _a[CommandNames.QuickinfoFull] = function (request) {
+                    _a[server.CommandNames.QuickinfoFull] = function (request) {
                         return _this.requiredResponse(_this.getQuickInfoWorker(request.arguments, false));
                     },
-                    _a[CommandNames.OutliningSpans] = function (request) {
+                    _a[server.CommandNames.OutliningSpans] = function (request) {
                         return _this.requiredResponse(_this.getOutliningSpans(request.arguments));
                     },
-                    _a[CommandNames.TodoComments] = function (request) {
+                    _a[server.CommandNames.TodoComments] = function (request) {
                         return _this.requiredResponse(_this.getTodoComments(request.arguments));
                     },
-                    _a[CommandNames.Indentation] = function (request) {
+                    _a[server.CommandNames.Indentation] = function (request) {
                         return _this.requiredResponse(_this.getIndentation(request.arguments));
                     },
-                    _a[CommandNames.NameOrDottedNameSpan] = function (request) {
+                    _a[server.CommandNames.NameOrDottedNameSpan] = function (request) {
                         return _this.requiredResponse(_this.getNameOrDottedNameSpan(request.arguments));
                     },
-                    _a[CommandNames.BreakpointStatement] = function (request) {
+                    _a[server.CommandNames.BreakpointStatement] = function (request) {
                         return _this.requiredResponse(_this.getBreakpointStatement(request.arguments));
                     },
-                    _a[CommandNames.BraceCompletion] = function (request) {
+                    _a[server.CommandNames.BraceCompletion] = function (request) {
                         return _this.requiredResponse(_this.isValidBraceCompletion(request.arguments));
                     },
-                    _a[CommandNames.DocCommentTemplate] = function (request) {
+                    _a[server.CommandNames.DocCommentTemplate] = function (request) {
                         return _this.requiredResponse(_this.getDocCommentTemplate(request.arguments));
                     },
-                    _a[CommandNames.Format] = function (request) {
+                    _a[server.CommandNames.Format] = function (request) {
                         return _this.requiredResponse(_this.getFormattingEditsForRange(request.arguments));
                     },
-                    _a[CommandNames.Formatonkey] = function (request) {
+                    _a[server.CommandNames.Formatonkey] = function (request) {
                         return _this.requiredResponse(_this.getFormattingEditsAfterKeystroke(request.arguments));
                     },
-                    _a[CommandNames.FormatFull] = function (request) {
+                    _a[server.CommandNames.FormatFull] = function (request) {
                         return _this.requiredResponse(_this.getFormattingEditsForDocumentFull(request.arguments));
                     },
-                    _a[CommandNames.FormatonkeyFull] = function (request) {
+                    _a[server.CommandNames.FormatonkeyFull] = function (request) {
                         return _this.requiredResponse(_this.getFormattingEditsAfterKeystrokeFull(request.arguments));
                     },
-                    _a[CommandNames.FormatRangeFull] = function (request) {
+                    _a[server.CommandNames.FormatRangeFull] = function (request) {
                         return _this.requiredResponse(_this.getFormattingEditsForRangeFull(request.arguments));
                     },
-                    _a[CommandNames.Completions] = function (request) {
+                    _a[server.CommandNames.Completions] = function (request) {
                         return _this.requiredResponse(_this.getCompletions(request.arguments, true));
                     },
-                    _a[CommandNames.CompletionsFull] = function (request) {
+                    _a[server.CommandNames.CompletionsFull] = function (request) {
                         return _this.requiredResponse(_this.getCompletions(request.arguments, false));
                     },
-                    _a[CommandNames.CompletionDetails] = function (request) {
+                    _a[server.CommandNames.CompletionDetails] = function (request) {
                         return _this.requiredResponse(_this.getCompletionEntryDetails(request.arguments));
                     },
-                    _a[CommandNames.CompileOnSaveAffectedFileList] = function (request) {
+                    _a[server.CommandNames.CompileOnSaveAffectedFileList] = function (request) {
                         return _this.requiredResponse(_this.getCompileOnSaveAffectedFileList(request.arguments));
                     },
-                    _a[CommandNames.CompileOnSaveEmitFile] = function (request) {
+                    _a[server.CommandNames.CompileOnSaveEmitFile] = function (request) {
                         return _this.requiredResponse(_this.emitFile(request.arguments));
                     },
-                    _a[CommandNames.SignatureHelp] = function (request) {
+                    _a[server.CommandNames.SignatureHelp] = function (request) {
                         return _this.requiredResponse(_this.getSignatureHelpItems(request.arguments, true));
                     },
-                    _a[CommandNames.SignatureHelpFull] = function (request) {
+                    _a[server.CommandNames.SignatureHelpFull] = function (request) {
                         return _this.requiredResponse(_this.getSignatureHelpItems(request.arguments, false));
                     },
-                    _a[CommandNames.CompilerOptionsDiagnosticsFull] = function (request) {
+                    _a[server.CommandNames.CompilerOptionsDiagnosticsFull] = function (request) {
                         return _this.requiredResponse(_this.getCompilerOptionsDiagnostics(request.arguments));
                     },
-                    _a[CommandNames.EncodedSemanticClassificationsFull] = function (request) {
+                    _a[server.CommandNames.EncodedSemanticClassificationsFull] = function (request) {
                         return _this.requiredResponse(_this.getEncodedSemanticClassifications(request.arguments));
                     },
-                    _a[CommandNames.Cleanup] = function () {
+                    _a[server.CommandNames.Cleanup] = function () {
                         _this.cleanup();
                         return _this.requiredResponse(true);
                     },
-                    _a[CommandNames.SemanticDiagnosticsSync] = function (request) {
+                    _a[server.CommandNames.SemanticDiagnosticsSync] = function (request) {
                         return _this.requiredResponse(_this.getSemanticDiagnosticsSync(request.arguments));
                     },
-                    _a[CommandNames.SyntacticDiagnosticsSync] = function (request) {
+                    _a[server.CommandNames.SyntacticDiagnosticsSync] = function (request) {
                         return _this.requiredResponse(_this.getSyntacticDiagnosticsSync(request.arguments));
                     },
-                    _a[CommandNames.Geterr] = function (request) {
+                    _a[server.CommandNames.Geterr] = function (request) {
                         _this.errorCheck.startNew(function (next) { return _this.getDiagnostics(next, request.arguments.delay, request.arguments.files); });
                         return _this.notRequired();
                     },
-                    _a[CommandNames.GeterrForProject] = function (request) {
+                    _a[server.CommandNames.GeterrForProject] = function (request) {
                         _this.errorCheck.startNew(function (next) { return _this.getDiagnosticsForProject(next, request.arguments.delay, request.arguments.file); });
                         return _this.notRequired();
                     },
-                    _a[CommandNames.Change] = function (request) {
+                    _a[server.CommandNames.Change] = function (request) {
                         _this.change(request.arguments);
                         return _this.notRequired();
                     },
-                    _a[CommandNames.Configure] = function (request) {
+                    _a[server.CommandNames.Configure] = function (request) {
                         _this.projectService.setHostConfiguration(request.arguments);
-                        _this.output(undefined, CommandNames.Configure, request.seq);
+                        _this.output(undefined, server.CommandNames.Configure, request.seq);
                         return _this.notRequired();
                     },
-                    _a[CommandNames.Reload] = function (request) {
+                    _a[server.CommandNames.Reload] = function (request) {
                         _this.reload(request.arguments, request.seq);
                         return _this.requiredResponse({ reloadFinished: true });
                     },
-                    _a[CommandNames.Saveto] = function (request) {
+                    _a[server.CommandNames.Saveto] = function (request) {
                         var savetoArgs = request.arguments;
                         _this.saveToTmp(savetoArgs.file, savetoArgs.tmpfile);
                         return _this.notRequired();
                     },
-                    _a[CommandNames.Close] = function (request) {
+                    _a[server.CommandNames.Close] = function (request) {
                         var closeArgs = request.arguments;
                         _this.closeClientFile(closeArgs.file);
                         return _this.notRequired();
                     },
-                    _a[CommandNames.Navto] = function (request) {
+                    _a[server.CommandNames.Navto] = function (request) {
                         return _this.requiredResponse(_this.getNavigateToItems(request.arguments, true));
                     },
-                    _a[CommandNames.NavtoFull] = function (request) {
+                    _a[server.CommandNames.NavtoFull] = function (request) {
                         return _this.requiredResponse(_this.getNavigateToItems(request.arguments, false));
                     },
-                    _a[CommandNames.Brace] = function (request) {
+                    _a[server.CommandNames.Brace] = function (request) {
                         return _this.requiredResponse(_this.getBraceMatching(request.arguments, true));
                     },
-                    _a[CommandNames.BraceFull] = function (request) {
+                    _a[server.CommandNames.BraceFull] = function (request) {
                         return _this.requiredResponse(_this.getBraceMatching(request.arguments, false));
                     },
-                    _a[CommandNames.NavBar] = function (request) {
+                    _a[server.CommandNames.NavBar] = function (request) {
                         return _this.requiredResponse(_this.getNavigationBarItems(request.arguments, true));
                     },
-                    _a[CommandNames.NavBarFull] = function (request) {
+                    _a[server.CommandNames.NavBarFull] = function (request) {
                         return _this.requiredResponse(_this.getNavigationBarItems(request.arguments, false));
                     },
-                    _a[CommandNames.NavTree] = function (request) {
+                    _a[server.CommandNames.NavTree] = function (request) {
                         return _this.requiredResponse(_this.getNavigationTree(request.arguments, true));
                     },
-                    _a[CommandNames.NavTreeFull] = function (request) {
+                    _a[server.CommandNames.NavTreeFull] = function (request) {
                         return _this.requiredResponse(_this.getNavigationTree(request.arguments, false));
                     },
-                    _a[CommandNames.Occurrences] = function (request) {
+                    _a[server.CommandNames.Occurrences] = function (request) {
                         return _this.requiredResponse(_this.getOccurrences(request.arguments));
                     },
-                    _a[CommandNames.DocumentHighlights] = function (request) {
+                    _a[server.CommandNames.DocumentHighlights] = function (request) {
                         return _this.requiredResponse(_this.getDocumentHighlights(request.arguments, true));
                     },
-                    _a[CommandNames.DocumentHighlightsFull] = function (request) {
+                    _a[server.CommandNames.DocumentHighlightsFull] = function (request) {
                         return _this.requiredResponse(_this.getDocumentHighlights(request.arguments, false));
                     },
-                    _a[CommandNames.CompilerOptionsForInferredProjects] = function (request) {
+                    _a[server.CommandNames.CompilerOptionsForInferredProjects] = function (request) {
                         _this.setCompilerOptionsForInferredProjects(request.arguments);
                         return _this.requiredResponse(true);
                     },
-                    _a[CommandNames.ProjectInfo] = function (request) {
+                    _a[server.CommandNames.ProjectInfo] = function (request) {
                         return _this.requiredResponse(_this.getProjectInfo(request.arguments));
                     },
-                    _a[CommandNames.ReloadProjects] = function () {
+                    _a[server.CommandNames.ReloadProjects] = function () {
                         _this.projectService.reloadProjects();
                         return _this.notRequired();
                     },
-                    _a[CommandNames.GetCodeFixes] = function (request) {
+                    _a[server.CommandNames.GetCodeFixes] = function (request) {
                         return _this.requiredResponse(_this.getCodeFixes(request.arguments, true));
                     },
-                    _a[CommandNames.GetCodeFixesFull] = function (request) {
+                    _a[server.CommandNames.GetCodeFixesFull] = function (request) {
                         return _this.requiredResponse(_this.getCodeFixes(request.arguments, false));
                     },
-                    _a[CommandNames.GetSupportedCodeFixes] = function () {
+                    _a[server.CommandNames.GetSupportedCodeFixes] = function () {
                         return _this.requiredResponse(_this.getSupportedCodeFixes());
                     },
-                    _a[CommandNames.GetApplicableRefactors] = function (request) {
+                    _a[server.CommandNames.GetApplicableRefactors] = function (request) {
                         return _this.requiredResponse(_this.getApplicableRefactors(request.arguments));
                     },
-                    _a[CommandNames.GetEditsForRefactor] = function (request) {
+                    _a[server.CommandNames.GetEditsForRefactor] = function (request) {
                         return _this.requiredResponse(_this.getEditsForRefactor(request.arguments, true));
                     },
-                    _a[CommandNames.GetEditsForRefactorFull] = function (request) {
+                    _a[server.CommandNames.GetEditsForRefactorFull] = function (request) {
                         return _this.requiredResponse(_this.getEditsForRefactor(request.arguments, false));
                     },
                     _a));
@@ -75720,6 +77764,7 @@ var ts;
                     logger: this.logger,
                     cancellationToken: this.cancellationToken,
                     useSingleInferredProject: opts.useSingleInferredProject,
+                    useInferredProjectPerProjectRoot: opts.useInferredProjectPerProjectRoot,
                     typingsInstaller: this.typingsInstaller,
                     throttleWaitMilliseconds: throttleWaitMilliseconds,
                     eventHandler: this.eventHandler,
@@ -75746,7 +77791,7 @@ var ts;
                     case server.ContextEvent:
                         var _a = event.data, project_1 = _a.project, fileName_2 = _a.fileName;
                         this.projectService.logger.info("got context event, updating diagnostics for " + fileName_2);
-                        this.errorCheck.startNew(function (next) { return _this.updateErrorCheck(next, [{ fileName: fileName_2, project: project_1 }], _this.changeSeq, function (n) { return n === _this.changeSeq; }, 100); });
+                        this.errorCheck.startNew(function (next) { return _this.updateErrorCheck(next, [{ fileName: fileName_2, project: project_1 }], 100); });
                         break;
                     case server.ConfigFileDiagEvent:
                         var _b = event.data, triggerFile = _b.triggerFile, configFileName = _b.configFileName, diagnostics = _b.diagnostics;
@@ -75790,7 +77835,7 @@ var ts;
                 this.host.write(formatMessage(msg, this.logger, this.byteLength, this.host.newLine));
             };
             Session.prototype.configFileDiagnosticEvent = function (triggerFile, configFile, diagnostics) {
-                var bakedDiags = ts.map(diagnostics, formatConfigFileDiag);
+                var bakedDiags = ts.map(diagnostics, function (diagnostic) { return formatConfigFileDiag(diagnostic, true); });
                 var ev = {
                     seq: 0,
                     type: "event",
@@ -75854,26 +77899,24 @@ var ts;
                     this.logError(err, "syntactic check");
                 }
             };
-            Session.prototype.updateProjectStructure = function (seq, matchSeq, ms) {
+            Session.prototype.updateProjectStructure = function () {
                 var _this = this;
-                if (ms === void 0) { ms = 1500; }
+                var ms = 1500;
+                var seq = this.changeSeq;
                 this.host.setTimeout(function () {
-                    if (matchSeq(seq)) {
+                    if (_this.changeSeq === seq) {
                         _this.projectService.refreshInferredProjects();
                     }
                 }, ms);
             };
-            Session.prototype.updateErrorCheck = function (next, checkList, seq, matchSeq, ms, followMs, requireOpen) {
+            Session.prototype.updateErrorCheck = function (next, checkList, ms, requireOpen) {
                 var _this = this;
-                if (ms === void 0) { ms = 1500; }
-                if (followMs === void 0) { followMs = 200; }
                 if (requireOpen === void 0) { requireOpen = true; }
-                if (followMs > ms) {
-                    followMs = ms;
-                }
+                var seq = this.changeSeq;
+                var followMs = Math.min(ms, 200);
                 var index = 0;
                 var checkOne = function () {
-                    if (matchSeq(seq)) {
+                    if (_this.changeSeq === seq) {
                         var checkSpec_1 = checkList[index];
                         index++;
                         if (checkSpec_1.project.containsFile(checkSpec_1.fileName, requireOpen)) {
@@ -75887,7 +77930,7 @@ var ts;
                         }
                     }
                 };
-                if ((checkList.length > index) && (matchSeq(seq))) {
+                if (checkList.length > index && this.changeSeq === seq) {
                     next.delay(ms, checkOne);
                 }
             };
@@ -75917,9 +77960,37 @@ var ts;
             Session.prototype.getProject = function (projectFileName) {
                 return projectFileName && this.projectService.findProject(projectFileName);
             };
+            Session.prototype.getConfigFileAndProject = function (args) {
+                var project = this.getProject(args.projectFileName);
+                var file = server.toNormalizedPath(args.file);
+                return {
+                    configFile: project && project.hasConfigFile(file) && file,
+                    project: project
+                };
+            };
+            Session.prototype.getConfigFileDiagnostics = function (configFile, project, includeLinePosition) {
+                var projectErrors = project.getAllProjectErrors();
+                var optionsErrors = project.getLanguageService().getCompilerOptionsDiagnostics();
+                var diagnosticsForConfigFile = ts.filter(ts.concatenate(projectErrors, optionsErrors), function (diagnostic) { return diagnostic.file && diagnostic.file.fileName === configFile; });
+                return includeLinePosition ?
+                    this.convertToDiagnosticsWithLinePositionFromDiagnosticFile(diagnosticsForConfigFile) :
+                    ts.map(diagnosticsForConfigFile, function (diagnostic) { return formatConfigFileDiag(diagnostic, false); });
+            };
+            Session.prototype.convertToDiagnosticsWithLinePositionFromDiagnosticFile = function (diagnostics) {
+                var _this = this;
+                return diagnostics.map(function (d) { return ({
+                    message: ts.flattenDiagnosticMessageText(d.messageText, _this.host.newLine),
+                    start: d.start,
+                    length: d.length,
+                    category: ts.DiagnosticCategory[d.category].toLowerCase(),
+                    code: d.code,
+                    startLocation: d.file && convertToLocation(ts.getLineAndCharacterOfPosition(d.file, d.start)),
+                    endLocation: d.file && convertToLocation(ts.getLineAndCharacterOfPosition(d.file, d.start + d.length))
+                }); });
+            };
             Session.prototype.getCompilerOptionsDiagnostics = function (args) {
                 var project = this.getProject(args.projectFileName);
-                return this.convertToDiagnosticsWithLinePosition(project.getLanguageService().getCompilerOptionsDiagnostics(), undefined);
+                return this.convertToDiagnosticsWithLinePosition(ts.filter(project.getLanguageService().getCompilerOptionsDiagnostics(), function (diagnostic) { return !diagnostic.file; }), undefined);
             };
             Session.prototype.convertToDiagnosticsWithLinePosition = function (diagnostics, scriptInfo) {
                 var _this = this;
@@ -75937,7 +78008,7 @@ var ts;
             Session.prototype.getDiagnosticsWorker = function (args, isSemantic, selector, includeLinePosition) {
                 var _a = this.getFileAndProject(args), project = _a.project, file = _a.file;
                 if (isSemantic && isDeclarationFileInJSOnlyNonConfiguredProject(project, file)) {
-                    return [];
+                    return server.emptyArray;
                 }
                 var scriptInfo = project.getScriptInfoForNormalizedPath(file);
                 var diagnostics = selector(project, file);
@@ -75989,7 +78060,7 @@ var ts;
                 var position = this.getPosition(args, project.getScriptInfoForNormalizedPath(file));
                 var implementations = project.getLanguageService().getImplementationAtPosition(file, position);
                 if (!implementations) {
-                    return [];
+                    return server.emptyArray;
                 }
                 if (simplifiedResult) {
                     return implementations.map(function (_a) {
@@ -76032,9 +78103,17 @@ var ts;
                 });
             };
             Session.prototype.getSyntacticDiagnosticsSync = function (args) {
+                var configFile = this.getConfigFileAndProject(args).configFile;
+                if (configFile) {
+                    return server.emptyArray;
+                }
                 return this.getDiagnosticsWorker(args, false, function (project, file) { return project.getLanguageService().getSyntacticDiagnostics(file); }, args.includeLinePosition);
             };
             Session.prototype.getSemanticDiagnosticsSync = function (args) {
+                var _a = this.getConfigFileAndProject(args), configFile = _a.configFile, project = _a.project;
+                if (configFile) {
+                    return this.getConfigFileDiagnostics(configFile, project, args.includeLinePosition);
+                }
                 return this.getDiagnosticsWorker(args, true, function (project, file) { return project.getLanguageService().getSemanticDiagnostics(file); }, args.includeLinePosition);
             };
             Session.prototype.getDocumentHighlights = function (args, simplifiedResult) {
@@ -76067,17 +78146,17 @@ var ts;
                 }
             };
             Session.prototype.setCompilerOptionsForInferredProjects = function (args) {
-                this.projectService.setCompilerOptionsForInferredProjects(args.options);
+                this.projectService.setCompilerOptionsForInferredProjects(args.options, args.projectRootPath);
             };
             Session.prototype.getProjectInfo = function (args) {
-                return this.getProjectInfoWorker(args.file, args.projectFileName, args.needFileNameList);
+                return this.getProjectInfoWorker(args.file, args.projectFileName, args.needFileNameList, false);
             };
-            Session.prototype.getProjectInfoWorker = function (uncheckedFileName, projectFileName, needFileNameList) {
+            Session.prototype.getProjectInfoWorker = function (uncheckedFileName, projectFileName, needFileNameList, excludeConfigFiles) {
                 var project = this.getFileAndProjectWorker(uncheckedFileName, projectFileName, true, true).project;
                 var projectInfo = {
                     configFileName: project.getProjectName(),
                     languageServiceDisabled: !project.languageServiceEnabled,
-                    fileNames: needFileNameList ? project.getFileNames() : undefined
+                    fileNames: needFileNameList ? project.getFileNames(false, excludeConfigFiles) : undefined
                 };
                 return projectInfo;
             };
@@ -76129,13 +78208,13 @@ var ts;
                     if (!renameInfo.canRename) {
                         return {
                             info: renameInfo,
-                            locs: []
+                            locs: server.emptyArray
                         };
                     }
                     var fileSpans = server.combineProjectOutput(projects, function (project) {
                         var renameLocations = project.getLanguageService().findRenameLocations(file, position, args.findInStrings, args.findInComments);
                         if (!renameLocations) {
-                            return [];
+                            return server.emptyArray;
                         }
                         return renameLocations.map(function (location) {
                             var locationScriptInfo = project.getScriptInfo(location.fileName);
@@ -76146,21 +78225,22 @@ var ts;
                             };
                         });
                     }, compareRenameLocation, function (a, b) { return a.file === b.file && a.start.line === b.start.line && a.start.offset === b.start.offset; });
-                    var locs = fileSpans.reduce(function (accum, cur) {
-                        var curFileAccum;
-                        if (accum.length > 0) {
-                            curFileAccum = accum[accum.length - 1];
+                    var locs = [];
+                    for (var _i = 0, fileSpans_1 = fileSpans; _i < fileSpans_1.length; _i++) {
+                        var cur = fileSpans_1[_i];
+                        var curFileAccum = void 0;
+                        if (locs.length > 0) {
+                            curFileAccum = locs[locs.length - 1];
                             if (curFileAccum.file !== cur.file) {
                                 curFileAccum = undefined;
                             }
                         }
                         if (!curFileAccum) {
                             curFileAccum = { file: cur.file, locs: [] };
-                            accum.push(curFileAccum);
+                            locs.push(curFileAccum);
                         }
                         curFileAccum.locs.push({ start: cur.start, end: cur.end });
-                        return accum;
-                    }, []);
+                    }
                     return { info: renameInfo, locs: locs };
                 }
                 else {
@@ -76215,7 +78295,7 @@ var ts;
                     var refs = server.combineProjectOutput(projects, function (project) {
                         var references = project.getLanguageService().getReferencesAtPosition(file, position);
                         if (!references) {
-                            return [];
+                            return server.emptyArray;
                         }
                         return references.map(function (ref) {
                             var refScriptInfo = project.getScriptInfo(ref.fileName);
@@ -76256,7 +78336,7 @@ var ts;
                 if (this.eventHandler) {
                     this.eventHandler({
                         eventName: "configFileDiag",
-                        data: { triggerFile: fileName, configFileName: configFileName, diagnostics: configFileErrors || [] }
+                        data: { triggerFile: fileName, configFileName: configFileName, diagnostics: configFileErrors || server.emptyArray }
                     });
                 }
             };
@@ -76373,32 +78453,29 @@ var ts;
                 var formatOptions = this.projectService.getFormatCodeOptions(file);
                 var edits = project.getLanguageService(false).getFormattingEditsAfterKeystroke(file, position, args.key, formatOptions);
                 if ((args.key === "\n") && ((!edits) || (edits.length === 0) || allEditsBeforePos(edits, position))) {
-                    var lineInfo = scriptInfo.getLineInfo(args.line);
-                    if (lineInfo && (lineInfo.leaf) && (lineInfo.leaf.text)) {
-                        var lineText = lineInfo.leaf.text;
-                        if (lineText.search("\\S") < 0) {
-                            var preferredIndent = project.getLanguageService(false).getIndentationAtPosition(file, position, formatOptions);
-                            var hasIndent = 0;
-                            var i = void 0, len = void 0;
-                            for (i = 0, len = lineText.length; i < len; i++) {
-                                if (lineText.charAt(i) === " ") {
-                                    hasIndent++;
-                                }
-                                else if (lineText.charAt(i) === "\t") {
-                                    hasIndent += formatOptions.tabSize;
-                                }
-                                else {
-                                    break;
-                                }
+                    var _b = scriptInfo.getLineInfo(args.line), lineText = _b.lineText, absolutePosition = _b.absolutePosition;
+                    if (lineText && lineText.search("\\S") < 0) {
+                        var preferredIndent = project.getLanguageService(false).getIndentationAtPosition(file, position, formatOptions);
+                        var hasIndent = 0;
+                        var i = void 0, len = void 0;
+                        for (i = 0, len = lineText.length; i < len; i++) {
+                            if (lineText.charAt(i) === " ") {
+                                hasIndent++;
                             }
-                            if (preferredIndent !== hasIndent) {
-                                var firstNoWhiteSpacePosition = lineInfo.offset + i;
-                                edits.push({
-                                    span: ts.createTextSpanFromBounds(lineInfo.offset, firstNoWhiteSpacePosition),
-                                    newText: ts.formatting.getIndentationString(preferredIndent, formatOptions)
-                                });
+                            else if (lineText.charAt(i) === "\t") {
+                                hasIndent += formatOptions.tabSize;
+                            }
+                            else {
+                                break;
                             }
                         }
+                        if (preferredIndent !== hasIndent) {
+                            var firstNoWhiteSpacePosition = absolutePosition + i;
+                            edits.push({
+                                span: ts.createTextSpanFromBounds(absolutePosition, firstNoWhiteSpacePosition),
+                                newText: ts.formatting.getIndentationString(preferredIndent, formatOptions)
+                            });
+                        }
                     }
                 }
                 if (!edits) {
@@ -76423,14 +78500,13 @@ var ts;
                     return undefined;
                 }
                 if (simplifiedResult) {
-                    return completions.entries.reduce(function (result, entry) {
+                    return ts.mapDefined(completions.entries, function (entry) {
                         if (completions.isMemberCompletion || (entry.name.toLowerCase().indexOf(prefix.toLowerCase()) === 0)) {
                             var name = entry.name, kind = entry.kind, kindModifiers = entry.kindModifiers, sortText = entry.sortText, replacementSpan = entry.replacementSpan;
                             var convertedSpan = replacementSpan ? _this.decorateSpan(replacementSpan, scriptInfo) : undefined;
-                            result.push({ name: name, kind: kind, kindModifiers: kindModifiers, sortText: sortText, replacementSpan: convertedSpan });
+                            return { name: name, kind: kind, kindModifiers: kindModifiers, sortText: sortText, replacementSpan: convertedSpan };
                         }
-                        return result;
-                    }, []).sort(function (a, b) { return ts.compareStrings(a.name, b.name); });
+                    }).sort(function (a, b) { return ts.compareStrings(a.name, b.name); });
                 }
                 else {
                     return completions;
@@ -76440,19 +78516,15 @@ var ts;
                 var _a = this.getFileAndProject(args), file = _a.file, project = _a.project;
                 var scriptInfo = project.getScriptInfoForNormalizedPath(file);
                 var position = this.getPosition(args, scriptInfo);
-                return args.entryNames.reduce(function (accum, entryName) {
-                    var details = project.getLanguageService().getCompletionEntryDetails(file, position, entryName);
-                    if (details) {
-                        accum.push(details);
-                    }
-                    return accum;
-                }, []);
+                return ts.mapDefined(args.entryNames, function (entryName) {
+                    return project.getLanguageService().getCompletionEntryDetails(file, position, entryName);
+                });
             };
             Session.prototype.getCompileOnSaveAffectedFileList = function (args) {
                 var info = this.projectService.getScriptInfo(args.file);
                 var result = [];
                 if (!info) {
-                    return [];
+                    return server.emptyArray;
                 }
                 var projectsToSearch = args.projectFileName ? [this.projectService.findProject(args.projectFileName)] : info.containingProjects;
                 for (var _i = 0, projectsToSearch_1 = projectsToSearch; _i < projectsToSearch_1.length; _i++) {
@@ -76488,12 +78560,12 @@ var ts;
                     return undefined;
                 }
                 if (simplifiedResult) {
-                    var span_17 = helpItems.applicableSpan;
+                    var span_18 = helpItems.applicableSpan;
                     return {
                         items: helpItems.items,
                         applicableSpan: {
-                            start: scriptInfo.positionToLineOffset(span_17.start),
-                            end: scriptInfo.positionToLineOffset(span_17.start + span_17.length)
+                            start: scriptInfo.positionToLineOffset(span_18.start),
+                            end: scriptInfo.positionToLineOffset(span_18.start + span_18.length)
                         },
                         selectedItemIndex: helpItems.selectedItemIndex,
                         argumentIndex: helpItems.argumentIndex,
@@ -76506,20 +78578,16 @@ var ts;
             };
             Session.prototype.getDiagnostics = function (next, delay, fileNames) {
                 var _this = this;
-                var checkList = fileNames.reduce(function (accum, uncheckedFileName) {
+                var checkList = ts.mapDefined(fileNames, function (uncheckedFileName) {
                     var fileName = server.toNormalizedPath(uncheckedFileName);
                     var project = _this.projectService.getDefaultProjectForFile(fileName, true);
-                    if (project) {
-                        accum.push({ fileName: fileName, project: project });
-                    }
-                    return accum;
-                }, []);
+                    return project && { fileName: fileName, project: project };
+                });
                 if (checkList.length > 0) {
-                    this.updateErrorCheck(next, checkList, this.changeSeq, function (n) { return n === _this.changeSeq; }, delay);
+                    this.updateErrorCheck(next, checkList, delay);
                 }
             };
             Session.prototype.change = function (args) {
-                var _this = this;
                 var _a = this.getFileAndProject(args, false), file = _a.file, project = _a.project;
                 if (project) {
                     var scriptInfo = project.getScriptInfoForNormalizedPath(file);
@@ -76529,7 +78597,7 @@ var ts;
                         scriptInfo.editContent(start, end, args.insertString);
                         this.changeSeq++;
                     }
-                    this.updateProjectStructure(this.changeSeq, function (n) { return n === _this.changeSeq; });
+                    this.updateProjectStructure();
                 }
             };
             Session.prototype.reload = function (args, reqSeq) {
@@ -76539,7 +78607,7 @@ var ts;
                 if (project) {
                     this.changeSeq++;
                     if (project.reloadScript(file, tempFileName)) {
-                        this.output(undefined, CommandNames.Reload, reqSeq);
+                        this.output(undefined, server.CommandNames.Reload, reqSeq);
                     }
                 }
             };
@@ -76608,7 +78676,7 @@ var ts;
                     return server.combineProjectOutput(projects, function (project) {
                         var navItems = project.getLanguageService().getNavigateToItems(args.searchValue, args.maxResultCount, fileName, project.isNonTsProject());
                         if (!navItems) {
-                            return [];
+                            return server.emptyArray;
                         }
                         return navItems.map(function (navItem) {
                             var scriptInfo = project.getScriptInfo(navItem.fileName);
@@ -76707,7 +78775,7 @@ var ts;
                 }
                 if (simplifiedResult) {
                     var file_2 = result.renameFilename;
-                    var location = undefined;
+                    var location = void 0;
                     if (file_2 !== undefined && result.renameLocation !== undefined) {
                         var renameScriptInfo = project.getScriptInfoForNormalizedPath(server.toNormalizedPath(file_2));
                         location = renameScriptInfo.positionToLineOffset(result.renameLocation);
@@ -76798,8 +78866,7 @@ var ts;
                         : spans;
             };
             Session.prototype.getDiagnosticsForProject = function (next, delay, fileName) {
-                var _this = this;
-                var _a = this.getProjectInfoWorker(fileName, undefined, true), fileNames = _a.fileNames, languageServiceDisabled = _a.languageServiceDisabled;
+                var _a = this.getProjectInfoWorker(fileName, undefined, true, true), fileNames = _a.fileNames, languageServiceDisabled = _a.languageServiceDisabled;
                 if (languageServiceDisabled) {
                     return;
                 }
@@ -76833,7 +78900,7 @@ var ts;
                 fileNamesInProject = highPriorityFiles.concat(mediumPriorityFiles).concat(lowPriorityFiles).concat(veryLowPriorityFiles);
                 if (fileNamesInProject.length > 0) {
                     var checkList = fileNamesInProject.map(function (fileName) { return ({ fileName: fileName, project: project }); });
-                    this.updateErrorCheck(next, checkList, this.changeSeq, function (n) { return n === _this.changeSeq; }, delay, 200, false);
+                    this.updateErrorCheck(next, checkList, delay, false);
                 }
             };
             Session.prototype.getCanonicalFileName = function (fileName) {
@@ -76880,7 +78947,7 @@ var ts;
                 }
                 else {
                     this.logger.msg("Unrecognized JSON command: " + JSON.stringify(request), server.Msg.Err);
-                    this.output(undefined, CommandNames.Unknown, request.seq, "Unrecognized JSON command: " + request.command);
+                    this.output(undefined, server.CommandNames.Unknown, request.seq, "Unrecognized JSON command: " + request.command);
                     return { responseRequired: false };
                 }
             };
@@ -76919,7 +78986,7 @@ var ts;
                         return;
                     }
                     this.logError(err, message);
-                    this.output(undefined, request ? request.command : CommandNames.Unknown, request ? request.seq : 0, "Error processing request. " + err.message + "\n" + err.stack);
+                    this.output(undefined, request ? request.command : server.CommandNames.Unknown, request ? request.seq : 0, "Error processing request. " + err.message + "\n" + err.stack);
                 }
             };
             return Session;
@@ -76940,33 +79007,26 @@ var ts;
             CharRangeSection[CharRangeSection["Mid"] = 3] = "Mid";
             CharRangeSection[CharRangeSection["End"] = 4] = "End";
             CharRangeSection[CharRangeSection["PostEnd"] = 5] = "PostEnd";
-        })(CharRangeSection = server.CharRangeSection || (server.CharRangeSection = {}));
-        var BaseLineIndexWalker = (function () {
-            function BaseLineIndexWalker() {
-                this.goSubtree = true;
-                this.done = false;
-            }
-            BaseLineIndexWalker.prototype.leaf = function (_rangeStart, _rangeLength, _ll) {
-            };
-            return BaseLineIndexWalker;
-        }());
-        var EditWalker = (function (_super) {
-            __extends(EditWalker, _super);
+        })(CharRangeSection || (CharRangeSection = {}));
+        var EditWalker = (function () {
             function EditWalker() {
-                var _this = _super.call(this) || this;
-                _this.lineIndex = new LineIndex();
-                _this.endBranch = [];
-                _this.state = CharRangeSection.Entire;
-                _this.initialText = "";
-                _this.trailingText = "";
-                _this.suppressTrailingText = false;
-                _this.lineIndex.root = new LineNode();
-                _this.startPath = [_this.lineIndex.root];
-                _this.stack = [_this.lineIndex.root];
-                return _this;
-            }
-            EditWalker.prototype.insertLines = function (insertedText) {
-                if (this.suppressTrailingText) {
+                this.goSubtree = true;
+                this.lineIndex = new LineIndex();
+                this.endBranch = [];
+                this.state = 2;
+                this.initialText = "";
+                this.trailingText = "";
+                this.lineIndex.root = new LineNode();
+                this.startPath = [this.lineIndex.root];
+                this.stack = [this.lineIndex.root];
+            }
+            Object.defineProperty(EditWalker.prototype, "done", {
+                get: function () { return false; },
+                enumerable: true,
+                configurable: true
+            });
+            EditWalker.prototype.insertLines = function (insertedText, suppressTrailingText) {
+                if (suppressTrailingText) {
                     this.trailingText = "";
                 }
                 if (insertedText) {
@@ -76979,7 +79039,7 @@ var ts;
                 var lines = lm.lines;
                 if (lines.length > 1) {
                     if (lines[lines.length - 1] === "") {
-                        lines.length--;
+                        lines.pop();
                     }
                 }
                 var branchParent;
@@ -76999,20 +79059,18 @@ var ts;
                 if (lastZeroCount) {
                     branchParent.remove(lastZeroCount);
                 }
-                var insertionNode = this.startPath[this.startPath.length - 2];
                 var leafNode = this.startPath[this.startPath.length - 1];
-                var len = lines.length;
-                if (len > 0) {
+                if (lines.length > 0) {
                     leafNode.text = lines[0];
-                    if (len > 1) {
-                        var insertedNodes = new Array(len - 1);
+                    if (lines.length > 1) {
+                        var insertedNodes = new Array(lines.length - 1);
                         var startNode = leafNode;
                         for (var i = 1; i < lines.length; i++) {
                             insertedNodes[i - 1] = new LineLeaf(lines[i]);
                         }
                         var pathIndex = this.startPath.length - 2;
                         while (pathIndex >= 0) {
-                            insertionNode = this.startPath[pathIndex];
+                            var insertionNode = this.startPath[pathIndex];
                             insertedNodes = insertionNode.insertAt(startNode, insertedNodes);
                             pathIndex--;
                             startNode = insertionNode;
@@ -77034,6 +79092,7 @@ var ts;
                     }
                 }
                 else {
+                    var insertionNode = this.startPath[this.startPath.length - 2];
                     insertionNode.remove(leafNode);
                     for (var j = this.startPath.length - 2; j >= 0; j--) {
                         this.startPath[j].updateCounts();
@@ -77043,15 +79102,14 @@ var ts;
             };
             EditWalker.prototype.post = function (_relativeStart, _relativeLength, lineCollection) {
                 if (lineCollection === this.lineCollectionAtBranch) {
-                    this.state = CharRangeSection.End;
+                    this.state = 4;
                 }
-                this.stack.length--;
-                return undefined;
+                this.stack.pop();
             };
             EditWalker.prototype.pre = function (_relativeStart, _relativeLength, lineCollection, _parent, nodeType) {
                 var currentNode = this.stack[this.stack.length - 1];
-                if ((this.state === CharRangeSection.Entire) && (nodeType === CharRangeSection.Start)) {
-                    this.state = CharRangeSection.Start;
+                if ((this.state === 2) && (nodeType === 1)) {
+                    this.state = 1;
                     this.branchNode = currentNode;
                     this.lineCollectionAtBranch = lineCollection;
                 }
@@ -77064,68 +79122,67 @@ var ts;
                         return new LineNode();
                 }
                 switch (nodeType) {
-                    case CharRangeSection.PreStart:
+                    case 0:
                         this.goSubtree = false;
-                        if (this.state !== CharRangeSection.End) {
+                        if (this.state !== 4) {
                             currentNode.add(lineCollection);
                         }
                         break;
-                    case CharRangeSection.Start:
-                        if (this.state === CharRangeSection.End) {
+                    case 1:
+                        if (this.state === 4) {
                             this.goSubtree = false;
                         }
                         else {
                             child = fresh(lineCollection);
                             currentNode.add(child);
-                            this.startPath[this.startPath.length] = child;
+                            this.startPath.push(child);
                         }
                         break;
-                    case CharRangeSection.Entire:
-                        if (this.state !== CharRangeSection.End) {
+                    case 2:
+                        if (this.state !== 4) {
                             child = fresh(lineCollection);
                             currentNode.add(child);
-                            this.startPath[this.startPath.length] = child;
+                            this.startPath.push(child);
                         }
                         else {
                             if (!lineCollection.isLeaf()) {
                                 child = fresh(lineCollection);
                                 currentNode.add(child);
-                                this.endBranch[this.endBranch.length] = child;
+                                this.endBranch.push(child);
                             }
                         }
                         break;
-                    case CharRangeSection.Mid:
+                    case 3:
                         this.goSubtree = false;
                         break;
-                    case CharRangeSection.End:
-                        if (this.state !== CharRangeSection.End) {
+                    case 4:
+                        if (this.state !== 4) {
                             this.goSubtree = false;
                         }
                         else {
                             if (!lineCollection.isLeaf()) {
                                 child = fresh(lineCollection);
                                 currentNode.add(child);
-                                this.endBranch[this.endBranch.length] = child;
+                                this.endBranch.push(child);
                             }
                         }
                         break;
-                    case CharRangeSection.PostEnd:
+                    case 5:
                         this.goSubtree = false;
-                        if (this.state !== CharRangeSection.Start) {
+                        if (this.state !== 1) {
                             currentNode.add(lineCollection);
                         }
                         break;
                 }
                 if (this.goSubtree) {
-                    this.stack[this.stack.length] = child;
+                    this.stack.push(child);
                 }
-                return lineCollection;
             };
             EditWalker.prototype.leaf = function (relativeStart, relativeLength, ll) {
-                if (this.state === CharRangeSection.Start) {
+                if (this.state === 1) {
                     this.initialText = ll.text.substring(0, relativeStart);
                 }
-                else if (this.state === CharRangeSection.Entire) {
+                else if (this.state === 2) {
                     this.initialText = ll.text.substring(0, relativeStart);
                     this.trailingText = ll.text.substring(relativeStart + relativeLength);
                 }
@@ -77134,7 +79191,7 @@ var ts;
                 }
             };
             return EditWalker;
-        }(BaseLineIndexWalker));
+        }());
         var TextChange = (function () {
             function TextChange(pos, deleteLen, insertedText) {
                 this.pos = pos;
@@ -77146,7 +79203,6 @@ var ts;
             };
             return TextChange;
         }());
-        server.TextChange = TextChange;
         var ScriptVersionCache = (function () {
             function ScriptVersionCache() {
                 this.changes = [];
@@ -77164,43 +79220,27 @@ var ts;
                 return this.currentVersion % ScriptVersionCache.maxVersions;
             };
             ScriptVersionCache.prototype.edit = function (pos, deleteLen, insertedText) {
-                this.changes[this.changes.length] = new TextChange(pos, deleteLen, insertedText);
-                if ((this.changes.length > ScriptVersionCache.changeNumberThreshold) ||
-                    (deleteLen > ScriptVersionCache.changeLengthThreshold) ||
-                    (insertedText && (insertedText.length > ScriptVersionCache.changeLengthThreshold))) {
-                    this.getSnapshot();
-                }
-            };
-            ScriptVersionCache.prototype.latest = function () {
-                return this.versions[this.currentVersionToIndex()];
-            };
-            ScriptVersionCache.prototype.latestVersion = function () {
-                if (this.changes.length > 0) {
+                this.changes.push(new TextChange(pos, deleteLen, insertedText));
+                if (this.changes.length > ScriptVersionCache.changeNumberThreshold ||
+                    deleteLen > ScriptVersionCache.changeLengthThreshold ||
+                    insertedText && insertedText.length > ScriptVersionCache.changeLengthThreshold) {
                     this.getSnapshot();
                 }
-                return this.currentVersion;
-            };
-            ScriptVersionCache.prototype.reloadFromFile = function (filename) {
-                var content = this.host.readFile(filename);
-                if (!content) {
-                    content = "";
-                }
-                this.reload(content);
             };
             ScriptVersionCache.prototype.reload = function (script) {
                 this.currentVersion++;
                 this.changes = [];
-                var snap = new LineIndexSnapshot(this.currentVersion, this);
+                var snap = new LineIndexSnapshot(this.currentVersion, this, new LineIndex());
                 for (var i = 0; i < this.versions.length; i++) {
                     this.versions[i] = undefined;
                 }
                 this.versions[this.currentVersionToIndex()] = snap;
-                snap.index = new LineIndex();
                 var lm = LineIndex.linesFromText(script);
                 snap.index.load(lm.lines);
                 this.minVersion = this.currentVersion;
             };
-            ScriptVersionCache.prototype.getSnapshot = function () {
+            ScriptVersionCache.prototype.getSnapshot = function () { return this._getSnapshot(); };
+            ScriptVersionCache.prototype._getSnapshot = function () {
                 var snap = this.versions[this.currentVersionToIndex()];
                 if (this.changes.length > 0) {
                     var snapIndex = snap.index;
@@ -77208,9 +79248,7 @@ var ts;
                         var change = _a[_i];
                         snapIndex = snapIndex.edit(change.pos, change.deleteLen, change.insertedText);
                     }
-                    snap = new LineIndexSnapshot(this.currentVersion + 1, this);
-                    snap.index = snapIndex;
-                    snap.changesSincePreviousVersion = this.changes;
+                    snap = new LineIndexSnapshot(this.currentVersion + 1, this, snapIndex, this.changes);
                     this.currentVersion = snap.version;
                     this.versions[this.currentVersionToIndex()] = snap;
                     this.changes = [];
@@ -77220,6 +79258,24 @@ var ts;
                 }
                 return snap;
             };
+            ScriptVersionCache.prototype.getSnapshotVersion = function () {
+                return this._getSnapshot().version;
+            };
+            ScriptVersionCache.prototype.getLineInfo = function (line) {
+                return this._getSnapshot().index.lineNumberToInfo(line);
+            };
+            ScriptVersionCache.prototype.lineOffsetToPosition = function (line, column) {
+                return this._getSnapshot().index.absolutePositionOfStartOfLine(line) + (column - 1);
+            };
+            ScriptVersionCache.prototype.positionToLineOffset = function (position) {
+                return this._getSnapshot().index.positionToLineOffset(position);
+            };
+            ScriptVersionCache.prototype.lineToTextSpan = function (line) {
+                var index = this._getSnapshot().index;
+                var _a = index.lineNumberToInfo(line + 1), lineText = _a.lineText, absolutePosition = _a.absolutePosition;
+                var len = lineText !== undefined ? lineText.length : index.absolutePositionOfStartOfLine(line + 2) - absolutePosition;
+                return ts.createTextSpan(absolutePosition, len);
+            };
             ScriptVersionCache.prototype.getTextChangesBetweenVersions = function (oldVersion, newVersion) {
                 if (oldVersion < newVersion) {
                     if (oldVersion >= this.minVersion) {
@@ -77228,7 +79284,7 @@ var ts;
                             var snap = this.versions[this.versionToIndex(i)];
                             for (var _i = 0, _a = snap.changesSincePreviousVersion; _i < _a.length; _i++) {
                                 var textChange = _a[_i];
-                                textChangeRanges[textChangeRanges.length] = textChange.getTextChangeRange();
+                                textChangeRanges.push(textChange.getTextChangeRange());
                             }
                         }
                         return ts.collapseTextChangeRangesAcrossMultipleVersions(textChangeRanges);
@@ -77241,12 +79297,10 @@ var ts;
                     return ts.unchangedTextChangeRange;
                 }
             };
-            ScriptVersionCache.fromString = function (host, script) {
+            ScriptVersionCache.fromString = function (script) {
                 var svc = new ScriptVersionCache();
-                var snap = new LineIndexSnapshot(0, svc);
+                var snap = new LineIndexSnapshot(0, svc, new LineIndex());
                 svc.versions[svc.currentVersion] = snap;
-                svc.host = host;
-                snap.index = new LineIndex();
                 var lm = LineIndex.linesFromText(script);
                 snap.index.load(lm.lines);
                 return svc;
@@ -77258,10 +79312,12 @@ var ts;
         }());
         server.ScriptVersionCache = ScriptVersionCache;
         var LineIndexSnapshot = (function () {
-            function LineIndexSnapshot(version, cache) {
+            function LineIndexSnapshot(version, cache, index, changesSincePreviousVersion) {
+                if (changesSincePreviousVersion === void 0) { changesSincePreviousVersion = server.emptyArray; }
                 this.version = version;
                 this.cache = cache;
-                this.changesSincePreviousVersion = [];
+                this.index = index;
+                this.changesSincePreviousVersion = changesSincePreviousVersion;
             }
             LineIndexSnapshot.prototype.getText = function (rangeStart, rangeEnd) {
                 return this.index.getText(rangeStart, rangeEnd - rangeStart);
@@ -77269,59 +79325,40 @@ var ts;
             LineIndexSnapshot.prototype.getLength = function () {
                 return this.index.root.charCount();
             };
-            LineIndexSnapshot.prototype.getLineStartPositions = function () {
-                var starts = [-1];
-                var count = 1;
-                var pos = 0;
-                this.index.every(function (ll) {
-                    starts[count] = pos;
-                    count++;
-                    pos += ll.text.length;
-                    return true;
-                }, 0);
-                return starts;
-            };
-            LineIndexSnapshot.prototype.getLineMapper = function () {
-                var _this = this;
-                return function (line) {
-                    return _this.index.lineNumberToInfo(line).offset;
-                };
-            };
-            LineIndexSnapshot.prototype.getTextChangeRangeSinceVersion = function (scriptVersion) {
-                if (this.version <= scriptVersion) {
-                    return ts.unchangedTextChangeRange;
-                }
-                else {
-                    return this.cache.getTextChangesBetweenVersions(scriptVersion, this.version);
-                }
-            };
             LineIndexSnapshot.prototype.getChangeRange = function (oldSnapshot) {
                 if (oldSnapshot instanceof LineIndexSnapshot && this.cache === oldSnapshot.cache) {
-                    return this.getTextChangeRangeSinceVersion(oldSnapshot.version);
+                    if (this.version <= oldSnapshot.version) {
+                        return ts.unchangedTextChangeRange;
+                    }
+                    else {
+                        return this.cache.getTextChangesBetweenVersions(oldSnapshot.version, this.version);
+                    }
                 }
             };
             return LineIndexSnapshot;
         }());
-        server.LineIndexSnapshot = LineIndexSnapshot;
         var LineIndex = (function () {
             function LineIndex() {
                 this.checkEdits = false;
             }
-            LineIndex.prototype.charOffsetToLineNumberAndPos = function (charOffset) {
-                return this.root.charOffsetToLineNumberAndPos(1, charOffset);
+            LineIndex.prototype.absolutePositionOfStartOfLine = function (oneBasedLine) {
+                return this.lineNumberToInfo(oneBasedLine).absolutePosition;
             };
-            LineIndex.prototype.lineNumberToInfo = function (lineNumber) {
+            LineIndex.prototype.positionToLineOffset = function (position) {
+                var _a = this.root.charOffsetToLineInfo(1, position), oneBasedLine = _a.oneBasedLine, zeroBasedColumn = _a.zeroBasedColumn;
+                return { line: oneBasedLine, offset: zeroBasedColumn + 1 };
+            };
+            LineIndex.prototype.positionToColumnAndLineText = function (position) {
+                return this.root.charOffsetToLineInfo(1, position);
+            };
+            LineIndex.prototype.lineNumberToInfo = function (oneBasedLine) {
                 var lineCount = this.root.lineCount();
-                if (lineNumber <= lineCount) {
-                    var lineInfo = this.root.lineNumberToInfo(lineNumber, 0);
-                    lineInfo.line = lineNumber;
-                    return lineInfo;
+                if (oneBasedLine <= lineCount) {
+                    var _a = this.root.lineNumberToInfo(oneBasedLine, 0), position = _a.position, leaf = _a.leaf;
+                    return { absolutePosition: position, lineText: leaf && leaf.text };
                 }
                 else {
-                    return {
-                        line: lineNumber,
-                        offset: this.root.charCount()
-                    };
+                    return { absolutePosition: this.root.charCount(), lineText: undefined };
                 }
             };
             LineIndex.prototype.load = function (lines) {
@@ -77372,11 +79409,8 @@ var ts;
                 return !walkFns.done;
             };
             LineIndex.prototype.edit = function (pos, deleteLength, newText) {
-                function editFlat(source, s, dl, nt) {
-                    if (nt === void 0) { nt = ""; }
-                    return source.substring(0, s) + nt + source.substring(s + dl, source.length);
-                }
                 if (this.root.charCount() === 0) {
+                    ts.Debug.assert(deleteLength === 0);
                     if (newText !== undefined) {
                         this.load(LineIndex.linesFromText(newText).lines);
                         return this;
@@ -77385,9 +79419,11 @@ var ts;
                 else {
                     var checkText = void 0;
                     if (this.checkEdits) {
-                        checkText = editFlat(this.getText(0, this.root.charCount()), pos, deleteLength, newText);
+                        var source = this.getText(0, this.root.charCount());
+                        checkText = source.slice(0, pos) + newText + source.slice(pos + deleteLength);
                     }
                     var walker = new EditWalker();
+                    var suppressTrailingText = false;
                     if (pos >= this.root.charCount()) {
                         pos = this.root.charCount() - 1;
                         var endString = this.getText(pos, 1);
@@ -77398,88 +79434,68 @@ var ts;
                             newText = endString;
                         }
                         deleteLength = 0;
-                        walker.suppressTrailingText = true;
+                        suppressTrailingText = true;
                     }
                     else if (deleteLength > 0) {
                         var e = pos + deleteLength;
-                        var lineInfo = this.charOffsetToLineNumberAndPos(e);
-                        if ((lineInfo && (lineInfo.offset === 0))) {
-                            deleteLength += lineInfo.text.length;
-                            if (newText) {
-                                newText = newText + lineInfo.text;
-                            }
-                            else {
-                                newText = lineInfo.text;
-                            }
+                        var _a = this.positionToColumnAndLineText(e), zeroBasedColumn = _a.zeroBasedColumn, lineText = _a.lineText;
+                        if (zeroBasedColumn === 0) {
+                            deleteLength += lineText.length;
+                            newText = newText ? newText + lineText : lineText;
                         }
                     }
-                    if (pos < this.root.charCount()) {
-                        this.root.walk(pos, deleteLength, walker);
-                        walker.insertLines(newText);
-                    }
+                    this.root.walk(pos, deleteLength, walker);
+                    walker.insertLines(newText, suppressTrailingText);
                     if (this.checkEdits) {
-                        var updatedText = this.getText(0, this.root.charCount());
+                        var updatedText = walker.lineIndex.getText(0, walker.lineIndex.getLength());
                         ts.Debug.assert(checkText === updatedText, "buffer edit mismatch");
                     }
                     return walker.lineIndex;
                 }
             };
             LineIndex.buildTreeFromBottom = function (nodes) {
-                var nodeCount = Math.ceil(nodes.length / lineCollectionCapacity);
-                var interiorNodes = [];
-                var nodeIndex = 0;
-                for (var i = 0; i < nodeCount; i++) {
-                    interiorNodes[i] = new LineNode();
-                    var charCount = 0;
-                    var lineCount = 0;
-                    for (var j = 0; j < lineCollectionCapacity; j++) {
-                        if (nodeIndex < nodes.length) {
-                            interiorNodes[i].add(nodes[nodeIndex]);
-                            charCount += nodes[nodeIndex].charCount();
-                            lineCount += nodes[nodeIndex].lineCount();
-                        }
-                        else {
-                            break;
-                        }
-                        nodeIndex++;
-                    }
-                    interiorNodes[i].totalChars = charCount;
-                    interiorNodes[i].totalLines = lineCount;
+                if (nodes.length < lineCollectionCapacity) {
+                    return new LineNode(nodes);
                 }
-                if (interiorNodes.length === 1) {
-                    return interiorNodes[0];
-                }
-                else {
-                    return this.buildTreeFromBottom(interiorNodes);
+                var interiorNodes = new Array(Math.ceil(nodes.length / lineCollectionCapacity));
+                var nodeIndex = 0;
+                for (var i = 0; i < interiorNodes.length; i++) {
+                    var end = Math.min(nodeIndex + lineCollectionCapacity, nodes.length);
+                    interiorNodes[i] = new LineNode(nodes.slice(nodeIndex, end));
+                    nodeIndex = end;
                 }
+                return this.buildTreeFromBottom(interiorNodes);
             };
             LineIndex.linesFromText = function (text) {
-                var lineStarts = ts.computeLineStarts(text);
-                if (lineStarts.length === 0) {
-                    return { lines: [], lineMap: lineStarts };
+                var lineMap = ts.computeLineStarts(text);
+                if (lineMap.length === 0) {
+                    return { lines: [], lineMap: lineMap };
                 }
-                var lines = new Array(lineStarts.length);
-                var lc = lineStarts.length - 1;
+                var lines = new Array(lineMap.length);
+                var lc = lineMap.length - 1;
                 for (var lmi = 0; lmi < lc; lmi++) {
-                    lines[lmi] = text.substring(lineStarts[lmi], lineStarts[lmi + 1]);
+                    lines[lmi] = text.substring(lineMap[lmi], lineMap[lmi + 1]);
                 }
-                var endText = text.substring(lineStarts[lc]);
+                var endText = text.substring(lineMap[lc]);
                 if (endText.length > 0) {
                     lines[lc] = endText;
                 }
                 else {
-                    lines.length--;
+                    lines.pop();
                 }
-                return { lines: lines, lineMap: lineStarts };
+                return { lines: lines, lineMap: lineMap };
             };
             return LineIndex;
         }());
         server.LineIndex = LineIndex;
         var LineNode = (function () {
-            function LineNode() {
+            function LineNode(children) {
+                if (children === void 0) { children = []; }
+                this.children = children;
                 this.totalChars = 0;
                 this.totalLines = 0;
-                this.children = [];
+                if (children.length)
+                    this.updateCounts();
             }
             LineNode.prototype.isLeaf = function () {
                 return false;
@@ -77516,40 +79532,37 @@ var ts;
             };
             LineNode.prototype.walk = function (rangeStart, rangeLength, walkFns) {
                 var childIndex = 0;
-                var child = this.children[0];
-                var childCharCount = child.charCount();
+                var childCharCount = this.children[childIndex].charCount();
                 var adjustedStart = rangeStart;
                 while (adjustedStart >= childCharCount) {
-                    this.skipChild(adjustedStart, rangeLength, childIndex, walkFns, CharRangeSection.PreStart);
+                    this.skipChild(adjustedStart, rangeLength, childIndex, walkFns, 0);
                     adjustedStart -= childCharCount;
                     childIndex++;
-                    child = this.children[childIndex];
-                    childCharCount = child.charCount();
+                    childCharCount = this.children[childIndex].charCount();
                 }
                 if ((adjustedStart + rangeLength) <= childCharCount) {
-                    if (this.execWalk(adjustedStart, rangeLength, walkFns, childIndex, CharRangeSection.Entire)) {
+                    if (this.execWalk(adjustedStart, rangeLength, walkFns, childIndex, 2)) {
                         return;
                     }
                 }
                 else {
-                    if (this.execWalk(adjustedStart, childCharCount - adjustedStart, walkFns, childIndex, CharRangeSection.Start)) {
+                    if (this.execWalk(adjustedStart, childCharCount - adjustedStart, walkFns, childIndex, 1)) {
                         return;
                     }
                     var adjustedLength = rangeLength - (childCharCount - adjustedStart);
                     childIndex++;
-                    child = this.children[childIndex];
+                    var child = this.children[childIndex];
                     childCharCount = child.charCount();
                     while (adjustedLength > childCharCount) {
-                        if (this.execWalk(0, childCharCount, walkFns, childIndex, CharRangeSection.Mid)) {
+                        if (this.execWalk(0, childCharCount, walkFns, childIndex, 3)) {
                             return;
                         }
                         adjustedLength -= childCharCount;
                         childIndex++;
-                        child = this.children[childIndex];
-                        childCharCount = child.charCount();
+                        childCharCount = this.children[childIndex].charCount();
                     }
                     if (adjustedLength > 0) {
-                        if (this.execWalk(0, adjustedLength, walkFns, childIndex, CharRangeSection.End)) {
+                        if (this.execWalk(0, adjustedLength, walkFns, childIndex, 4)) {
                             return;
                         }
                     }
@@ -77558,102 +79571,46 @@ var ts;
                     var clen = this.children.length;
                     if (childIndex < (clen - 1)) {
                         for (var ej = childIndex + 1; ej < clen; ej++) {
-                            this.skipChild(0, 0, ej, walkFns, CharRangeSection.PostEnd);
+                            this.skipChild(0, 0, ej, walkFns, 5);
                         }
                     }
                 }
             };
-            LineNode.prototype.charOffsetToLineNumberAndPos = function (lineNumber, charOffset) {
-                var childInfo = this.childFromCharOffset(lineNumber, charOffset);
-                if (!childInfo.child) {
-                    return {
-                        line: lineNumber,
-                        offset: charOffset,
-                    };
+            LineNode.prototype.charOffsetToLineInfo = function (lineNumberAccumulator, relativePosition) {
+                if (this.children.length === 0) {
+                    return { oneBasedLine: lineNumberAccumulator, zeroBasedColumn: relativePosition, lineText: undefined };
                 }
-                else if (childInfo.childIndex < this.children.length) {
-                    if (childInfo.child.isLeaf()) {
-                        return {
-                            line: childInfo.lineNumber,
-                            offset: childInfo.charOffset,
-                            text: (childInfo.child).text,
-                            leaf: (childInfo.child)
-                        };
+                for (var _i = 0, _a = this.children; _i < _a.length; _i++) {
+                    var child = _a[_i];
+                    if (child.charCount() > relativePosition) {
+                        if (child.isLeaf()) {
+                            return { oneBasedLine: lineNumberAccumulator, zeroBasedColumn: relativePosition, lineText: child.text };
+                        }
+                        else {
+                            return child.charOffsetToLineInfo(lineNumberAccumulator, relativePosition);
+                        }
                     }
                     else {
-                        var lineNode = (childInfo.child);
-                        return lineNode.charOffsetToLineNumberAndPos(childInfo.lineNumber, childInfo.charOffset);
+                        relativePosition -= child.charCount();
+                        lineNumberAccumulator += child.lineCount();
                     }
                 }
-                else {
-                    var lineInfo = this.lineNumberToInfo(this.lineCount(), 0);
-                    return { line: this.lineCount(), offset: lineInfo.leaf.charCount() };
-                }
-            };
-            LineNode.prototype.lineNumberToInfo = function (lineNumber, charOffset) {
-                var childInfo = this.childFromLineNumber(lineNumber, charOffset);
-                if (!childInfo.child) {
-                    return {
-                        line: lineNumber,
-                        offset: charOffset
-                    };
-                }
-                else if (childInfo.child.isLeaf()) {
-                    return {
-                        line: lineNumber,
-                        offset: childInfo.charOffset,
-                        text: (childInfo.child).text,
-                        leaf: (childInfo.child)
-                    };
-                }
-                else {
-                    var lineNode = (childInfo.child);
-                    return lineNode.lineNumberToInfo(childInfo.relativeLineNumber, childInfo.charOffset);
-                }
+                var leaf = this.lineNumberToInfo(this.lineCount(), 0).leaf;
+                return { oneBasedLine: this.lineCount(), zeroBasedColumn: leaf.charCount(), lineText: undefined };
             };
-            LineNode.prototype.childFromLineNumber = function (lineNumber, charOffset) {
-                var child;
-                var relativeLineNumber = lineNumber;
-                var i;
-                var len;
-                for (i = 0, len = this.children.length; i < len; i++) {
-                    child = this.children[i];
+            LineNode.prototype.lineNumberToInfo = function (relativeOneBasedLine, positionAccumulator) {
+                for (var _i = 0, _a = this.children; _i < _a.length; _i++) {
+                    var child = _a[_i];
                     var childLineCount = child.lineCount();
-                    if (childLineCount >= relativeLineNumber) {
-                        break;
-                    }
-                    else {
-                        relativeLineNumber -= childLineCount;
-                        charOffset += child.charCount();
-                    }
-                }
-                return {
-                    child: child,
-                    childIndex: i,
-                    relativeLineNumber: relativeLineNumber,
-                    charOffset: charOffset
-                };
-            };
-            LineNode.prototype.childFromCharOffset = function (lineNumber, charOffset) {
-                var child;
-                var i;
-                var len;
-                for (i = 0, len = this.children.length; i < len; i++) {
-                    child = this.children[i];
-                    if (child.charCount() > charOffset) {
-                        break;
+                    if (childLineCount >= relativeOneBasedLine) {
+                        return child.isLeaf() ? { position: positionAccumulator, leaf: child } : child.lineNumberToInfo(relativeOneBasedLine, positionAccumulator);
                     }
                     else {
-                        charOffset -= child.charCount();
-                        lineNumber += child.lineCount();
+                        relativeOneBasedLine -= childLineCount;
+                        positionAccumulator += child.charCount();
                     }
                 }
-                return {
-                    child: child,
-                    childIndex: i,
-                    charOffset: charOffset,
-                    lineNumber: lineNumber
-                };
+                return { position: positionAccumulator, leaf: undefined };
             };
             LineNode.prototype.splitAfter = function (childIndex) {
                 var splitNode;
@@ -77679,13 +79636,11 @@ var ts;
                         this.children[i] = this.children[i + 1];
                     }
                 }
-                this.children.length--;
+                this.children.pop();
             };
             LineNode.prototype.findChildIndex = function (child) {
-                var childIndex = 0;
-                var clen = this.children.length;
-                while ((this.children[childIndex] !== child) && (childIndex < clen))
-                    childIndex++;
+                var childIndex = this.children.indexOf(child);
+                ts.Debug.assert(childIndex !== -1);
                 return childIndex;
             };
             LineNode.prototype.insertAt = function (child, nodes) {
@@ -77726,12 +79681,12 @@ var ts;
                         }
                         for (var i = splitNodes.length - 1; i >= 0; i--) {
                             if (splitNodes[i].children.length === 0) {
-                                splitNodes.length--;
+                                splitNodes.pop();
                             }
                         }
                     }
                     if (shiftNode) {
-                        splitNodes[splitNodes.length] = shiftNode;
+                        splitNodes.push(shiftNode);
                     }
                     this.updateCounts();
                     for (var i = 0; i < splitNodeCount; i++) {
@@ -77741,8 +79696,8 @@ var ts;
                 }
             };
             LineNode.prototype.add = function (collection) {
-                this.children[this.children.length] = collection;
-                return (this.children.length < lineCollectionCapacity);
+                this.children.push(collection);
+                ts.Debug.assert(this.children.length <= lineCollectionCapacity);
             };
             LineNode.prototype.charCount = function () {
                 return this.totalChars;
@@ -77752,7 +79707,6 @@ var ts;
             };
             return LineNode;
         }());
-        server.LineNode = LineNode;
         var LineLeaf = (function () {
             function LineLeaf(text) {
                 this.text = text;
@@ -77771,7 +79725,6 @@ var ts;
             };
             return LineLeaf;
         }());
-        server.LineLeaf = LineLeaf;
     })(server = ts.server || (ts.server = {}));
 })(ts || (ts = {}));
 var ts;
@@ -77787,7 +79740,7 @@ var ts;
             }
             TextStorage.prototype.getVersion = function () {
                 return this.svc
-                    ? "SVC-" + this.svcVersion + "-" + this.svc.getSnapshot().version
+                    ? "SVC-" + this.svcVersion + "-" + this.svc.getSnapshotVersion()
                     : "Text-" + this.textVersion;
             };
             TextStorage.prototype.hasScriptVersionCache = function () {
@@ -77825,7 +79778,7 @@ var ts;
                     : ts.ScriptSnapshot.fromString(this.getOrLoadText());
             };
             TextStorage.prototype.getLineInfo = function (line) {
-                return this.switchToScriptVersionCache().getSnapshot().index.lineNumberToInfo(line);
+                return this.switchToScriptVersionCache().getLineInfo(line);
             };
             TextStorage.prototype.lineToTextSpan = function (line) {
                 if (!this.svc) {
@@ -77834,34 +79787,20 @@ var ts;
                     var end = line + 1 < lineMap.length ? lineMap[line + 1] : this.text.length;
                     return ts.createTextSpanFromBounds(start, end);
                 }
-                var index = this.svc.getSnapshot().index;
-                var lineInfo = index.lineNumberToInfo(line + 1);
-                var len;
-                if (lineInfo.leaf) {
-                    len = lineInfo.leaf.text.length;
-                }
-                else {
-                    var nextLineInfo = index.lineNumberToInfo(line + 2);
-                    len = nextLineInfo.offset - lineInfo.offset;
-                }
-                return ts.createTextSpan(lineInfo.offset, len);
+                return this.svc.lineToTextSpan(line);
             };
             TextStorage.prototype.lineOffsetToPosition = function (line, offset) {
                 if (!this.svc) {
-                    return ts.computePositionOfLineAndCharacter(this.getLineMap(), line - 1, offset - 1);
+                    return ts.computePositionOfLineAndCharacter(this.getLineMap(), line - 1, offset - 1, this.text);
                 }
-                var index = this.svc.getSnapshot().index;
-                var lineInfo = index.lineNumberToInfo(line);
-                return (lineInfo.offset + offset - 1);
+                return this.svc.lineOffsetToPosition(line, offset);
             };
             TextStorage.prototype.positionToLineOffset = function (position) {
                 if (!this.svc) {
                     var _a = ts.computeLineAndCharacterOfPosition(this.getLineMap(), position), line = _a.line, character = _a.character;
                     return { line: line + 1, offset: character + 1 };
                 }
-                var index = this.svc.getSnapshot().index;
-                var lineOffset = index.charOffsetToLineNumberAndPos(position);
-                return { line: lineOffset.line, offset: lineOffset.offset + 1 };
+                return this.svc.positionToLineOffset(position);
             };
             TextStorage.prototype.getFileText = function (tempFileName) {
                 return this.host.readFile(tempFileName || this.fileName) || "";
@@ -77871,7 +79810,7 @@ var ts;
             };
             TextStorage.prototype.switchToScriptVersionCache = function (newText) {
                 if (!this.svc) {
-                    this.svc = server.ScriptVersionCache.fromString(this.host, newText !== undefined ? newText : this.getOrLoadText());
+                    this.svc = server.ScriptVersionCache.fromString(newText !== undefined ? newText : this.getOrLoadText());
                     this.svcVersion++;
                     this.text = undefined;
                 }
@@ -77968,7 +79907,7 @@ var ts;
                         }
                         break;
                     default:
-                        server.removeItemFromSet(this.containingProjects, project);
+                        ts.unorderedRemoveItem(this.containingProjects, project);
                         break;
                 }
             };
@@ -77977,7 +79916,7 @@ var ts;
                     var p = _a[_i];
                     p.removeFile(this, false);
                 }
-                this.containingProjects.length = 0;
+                ts.clear(this.containingProjects);
             };
             ScriptInfo.prototype.getDefaultProject = function () {
                 switch (this.containingProjects.length) {
@@ -78083,8 +80022,8 @@ var ts;
                 this.host = host;
                 this.project = project;
                 this.cancellationToken = cancellationToken;
-                this.resolvedModuleNames = ts.createFileMap();
-                this.resolvedTypeReferenceDirectives = ts.createFileMap();
+                this.resolvedModuleNames = ts.createMap();
+                this.resolvedTypeReferenceDirectives = ts.createMap();
                 this.cancellationToken = new ts.ThrottledCancellationToken(cancellationToken, project.projectService.throttleWaitMilliseconds);
                 this.getCanonicalFileName = ts.createGetCanonicalFileName(this.host.useCaseSensitiveFileNames);
                 if (host.trace) {
@@ -78095,7 +80034,7 @@ var ts;
                         ? _this.project.projectService.typingsInstaller.globalTypingsCacheLocation
                         : undefined;
                     var primaryResult = ts.resolveModuleName(moduleName, containingFile, compilerOptions, host);
-                    if (ts.moduleHasNonRelativeName(moduleName) && !(primaryResult.resolvedModule && ts.extensionIsTypeScript(primaryResult.resolvedModule.extension)) && globalCache !== undefined) {
+                    if (!ts.isExternalModuleNameRelative(moduleName) && !(primaryResult.resolvedModule && ts.extensionIsTypeScript(primaryResult.resolvedModule.extension)) && globalCache !== undefined) {
                         var _a = ts.loadModuleFromGlobalCache(moduleName, _this.project.getProjectName(), compilerOptions, host, globalCache), resolvedModule = _a.resolvedModule, failedLookupLocations = _a.failedLookupLocations;
                         if (resolvedModule) {
                             return { resolvedModule: resolvedModule, failedLookupLocations: primaryResult.failedLookupLocations.concat(failedLookupLocations) };
@@ -78227,8 +80166,9 @@ var ts;
             LSHost.prototype.resolvePath = function (path) {
                 return this.host.resolvePath(path);
             };
-            LSHost.prototype.fileExists = function (path) {
-                return this.host.fileExists(path);
+            LSHost.prototype.fileExists = function (file) {
+                var path = ts.toPath(file, this.host.getCurrentDirectory(), this.getCanonicalFileName);
+                return !this.project.isWatchedMissingFile(path) && this.host.fileExists(file);
             };
             LSHost.prototype.readFile = function (fileName) {
                 return this.host.readFile(fileName);
@@ -78236,15 +80176,15 @@ var ts;
             LSHost.prototype.directoryExists = function (path) {
                 return this.host.directoryExists(path);
             };
-            LSHost.prototype.readDirectory = function (path, extensions, exclude, include) {
-                return this.host.readDirectory(path, extensions, exclude, include);
+            LSHost.prototype.readDirectory = function (path, extensions, exclude, include, depth) {
+                return this.host.readDirectory(path, extensions, exclude, include, depth);
             };
             LSHost.prototype.getDirectories = function (path) {
                 return this.host.getDirectories(path);
             };
             LSHost.prototype.notifyFileRemoved = function (info) {
-                this.resolvedModuleNames.remove(info.path);
-                this.resolvedTypeReferenceDirectives.remove(info.path);
+                this.resolvedModuleNames.delete(info.path);
+                this.resolvedTypeReferenceDirectives.delete(info.path);
             };
             LSHost.prototype.setCompilationSettings = function (opt) {
                 if (ts.changesAffectModuleResolution(this.compilationSettings, opt)) {
@@ -78348,7 +80288,7 @@ var ts;
                 this.perProjectCache.set(projectName, {
                     compilerOptions: compilerOptions,
                     typeAcquisition: typeAcquisition,
-                    typings: server.toSortedReadonlyArray(newTypings),
+                    typings: server.toSortedArray(newTypings),
                     unresolvedImports: unresolvedImports,
                     poisoned: false
                 });
@@ -78423,7 +80363,7 @@ var ts;
                 this.ctor = ctor;
             }
             AbstractBuilder.prototype.getFileInfos = function () {
-                return this.fileInfos_doNotAccessDirectly || (this.fileInfos_doNotAccessDirectly = ts.createFileMap());
+                return this.fileInfos_doNotAccessDirectly || (this.fileInfos_doNotAccessDirectly = ts.createMap());
             };
             AbstractBuilder.prototype.hasFileInfos = function () {
                 return !!this.fileInfos_doNotAccessDirectly;
@@ -78444,16 +80384,16 @@ var ts;
                 return fileInfo;
             };
             AbstractBuilder.prototype.getFileInfoPaths = function () {
-                return this.getFileInfos().getKeys();
+                return ts.arrayFrom(this.getFileInfos().keys());
             };
             AbstractBuilder.prototype.setFileInfo = function (path, info) {
                 this.getFileInfos().set(path, info);
             };
             AbstractBuilder.prototype.removeFileInfo = function (path) {
-                this.getFileInfos().remove(path);
+                this.getFileInfos().delete(path);
             };
             AbstractBuilder.prototype.forEachFileInfo = function (action) {
-                this.getFileInfos().forEachValue(function (_path, value) { return action(value); });
+                this.getFileInfos().forEach(action);
             };
             AbstractBuilder.prototype.emitFile = function (scriptInfo, writeFile) {
                 this.ensureFileInfoIfInProject(scriptInfo);
@@ -78514,50 +80454,25 @@ var ts;
             __extends(ModuleBuilderFileInfo, _super);
             function ModuleBuilderFileInfo() {
                 var _this = _super !== null && _super.apply(this, arguments) || this;
-                _this.references = [];
-                _this.referencedBy = [];
+                _this.references = server.createSortedArray();
+                _this.referencedBy = server.createSortedArray();
                 return _this;
             }
             ModuleBuilderFileInfo.compareFileInfos = function (lf, rf) {
-                var l = lf.scriptInfo.fileName;
-                var r = rf.scriptInfo.fileName;
-                return (l < r ? -1 : (l > r ? 1 : 0));
-            };
-            ModuleBuilderFileInfo.addToReferenceList = function (array, fileInfo) {
-                if (array.length === 0) {
-                    array.push(fileInfo);
-                    return;
-                }
-                var insertIndex = ts.binarySearch(array, fileInfo, ModuleBuilderFileInfo.compareFileInfos);
-                if (insertIndex < 0) {
-                    array.splice(~insertIndex, 0, fileInfo);
-                }
-            };
-            ModuleBuilderFileInfo.removeFromReferenceList = function (array, fileInfo) {
-                if (!array || array.length === 0) {
-                    return;
-                }
-                if (array[0] === fileInfo) {
-                    array.splice(0, 1);
-                    return;
-                }
-                var removeIndex = ts.binarySearch(array, fileInfo, ModuleBuilderFileInfo.compareFileInfos);
-                if (removeIndex >= 0) {
-                    array.splice(removeIndex, 1);
-                }
+                return ts.compareStrings(lf.scriptInfo.fileName, rf.scriptInfo.fileName);
             };
             ModuleBuilderFileInfo.prototype.addReferencedBy = function (fileInfo) {
-                ModuleBuilderFileInfo.addToReferenceList(this.referencedBy, fileInfo);
+                server.insertSorted(this.referencedBy, fileInfo, ModuleBuilderFileInfo.compareFileInfos);
             };
             ModuleBuilderFileInfo.prototype.removeReferencedBy = function (fileInfo) {
-                ModuleBuilderFileInfo.removeFromReferenceList(this.referencedBy, fileInfo);
+                server.removeSorted(this.referencedBy, fileInfo, ModuleBuilderFileInfo.compareFileInfos);
             };
             ModuleBuilderFileInfo.prototype.removeFileReferences = function () {
                 for (var _i = 0, _a = this.references; _i < _a.length; _i++) {
                     var reference = _a[_i];
                     reference.removeReferencedBy(this);
                 }
-                this.references = [];
+                ts.clear(this.references);
             };
             return ModuleBuilderFileInfo;
         }(BuilderFileInfo));
@@ -78575,13 +80490,10 @@ var ts;
             ModuleBuilder.prototype.getReferencedFileInfos = function (fileInfo) {
                 var _this = this;
                 if (!fileInfo.isExternalModuleOrHasOnlyAmbientExternalModules()) {
-                    return [];
+                    return server.createSortedArray();
                 }
                 var referencedFilePaths = this.project.getReferencedFiles(fileInfo.scriptInfo.path);
-                if (referencedFilePaths.length > 0) {
-                    return ts.map(referencedFilePaths, function (f) { return _this.getOrCreateFileInfo(f); }).sort(ModuleBuilderFileInfo.compareFileInfos);
-                }
-                return [];
+                return server.toSortedArray(referencedFilePaths.map(function (f) { return _this.getOrCreateFileInfo(f); }), ModuleBuilderFileInfo.compareFileInfos);
             };
             ModuleBuilder.prototype.ensureFileInfoIfInProject = function (_scriptInfo) {
                 this.ensureProjectDependencyGraphUpToDate();
@@ -78615,31 +80527,9 @@ var ts;
                 }
                 var newReferences = this.getReferencedFileInfos(fileInfo);
                 var oldReferences = fileInfo.references;
-                var oldIndex = 0;
-                var newIndex = 0;
-                while (oldIndex < oldReferences.length && newIndex < newReferences.length) {
-                    var oldReference = oldReferences[oldIndex];
-                    var newReference = newReferences[newIndex];
-                    var compare = ModuleBuilderFileInfo.compareFileInfos(oldReference, newReference);
-                    if (compare < 0) {
-                        oldReference.removeReferencedBy(fileInfo);
-                        oldIndex++;
-                    }
-                    else if (compare > 0) {
-                        newReference.addReferencedBy(fileInfo);
-                        newIndex++;
-                    }
-                    else {
-                        oldIndex++;
-                        newIndex++;
-                    }
-                }
-                for (var i = oldIndex; i < oldReferences.length; i++) {
-                    oldReferences[i].removeReferencedBy(fileInfo);
-                }
-                for (var i = newIndex; i < newReferences.length; i++) {
-                    newReferences[i].addReferencedBy(fileInfo);
-                }
+                server.enumerateInsertsAndDeletes(newReferences, oldReferences, function (newReference) { return newReference.addReferencedBy(fileInfo); }, function (oldReference) {
+                    oldReference.removeReferencedBy(fileInfo);
+                }, ModuleBuilderFileInfo.compareFileInfos);
                 fileInfo.references = newReferences;
                 fileInfo.scriptVersionForReferences = fileInfo.scriptInfo.getLatestVersion();
             };
@@ -78744,7 +80634,7 @@ var ts;
         server.allFilesAreJsOrDts = allFilesAreJsOrDts;
         var UnresolvedImportsMap = (function () {
             function UnresolvedImportsMap() {
-                this.perFileMap = ts.createFileMap();
+                this.perFileMap = ts.createMap();
                 this.version = 0;
             }
             UnresolvedImportsMap.prototype.clear = function () {
@@ -78755,7 +80645,7 @@ var ts;
                 return this.version;
             };
             UnresolvedImportsMap.prototype.remove = function (path) {
-                this.perFileMap.remove(path);
+                this.perFileMap.delete(path);
                 this.version++;
             };
             UnresolvedImportsMap.prototype.get = function (path) {
@@ -78777,7 +80667,8 @@ var ts;
                 this.compilerOptions = compilerOptions;
                 this.compileOnSaveEnabled = compileOnSaveEnabled;
                 this.rootFiles = [];
-                this.rootFilesMap = ts.createFileMap();
+                this.rootFilesMap = ts.createMap();
+                this.missingFilesMap = ts.createMap();
                 this.cachedUnresolvedImportsPerFile = new UnresolvedImportsMap();
                 this.languageServiceEnabled = true;
                 this.lastReportedVersion = 0;
@@ -78818,7 +80709,8 @@ var ts;
                 log("Loading " + moduleName + " from " + initialDir + " (resolved to " + resolvedPath + ")");
                 var result = host.require(resolvedPath, moduleName);
                 if (result.error) {
-                    log("Failed to load module: " + JSON.stringify(result.error));
+                    var err = result.error.stack || result.error.message || JSON.stringify(result.error);
+                    log("Failed to load module '" + moduleName + "': " + err);
                     return undefined;
                 }
                 return result.module;
@@ -78828,7 +80720,10 @@ var ts;
                     this.compilerOptions.noEmitForJsFiles = true;
                 }
             };
-            Project.prototype.getProjectErrors = function () {
+            Project.prototype.getGlobalProjectErrors = function () {
+                return ts.filter(this.projectErrors, function (diagnostic) { return !diagnostic.file; });
+            };
+            Project.prototype.getAllProjectErrors = function () {
                 return this.projectErrors;
             };
             Project.prototype.getLanguageService = function (ensureSynchronized) {
@@ -78902,6 +80797,8 @@ var ts;
                 this.projectErrors = undefined;
                 this.lsHost.dispose();
                 this.lsHost = undefined;
+                this.missingFilesMap.forEach(function (fileWatcher) { return fileWatcher.close(); });
+                this.missingFilesMap = undefined;
                 this.languageService.dispose();
                 this.languageService = undefined;
             };
@@ -78943,7 +80840,7 @@ var ts;
                 return ts.map(this.program.getSourceFiles(), function (sourceFile) {
                     var scriptInfo = _this.projectService.getScriptInfoForPath(sourceFile.path);
                     if (!scriptInfo) {
-                        ts.Debug.assert(false, "scriptInfo for a file '" + sourceFile.fileName + "' is missing.");
+                        ts.Debug.fail("scriptInfo for a file '" + sourceFile.fileName + "' is missing.");
                     }
                     return scriptInfo;
                 });
@@ -78954,7 +80851,7 @@ var ts;
                 }
                 return this.getLanguageService().getEmitOutput(info.fileName, emitOnlyDtsFiles);
             };
-            Project.prototype.getFileNames = function (excludeFilesFromExternalLibraries) {
+            Project.prototype.getFileNames = function (excludeFilesFromExternalLibraries, excludeConfigFiles) {
                 if (!this.program) {
                     return [];
                 }
@@ -78976,8 +80873,39 @@ var ts;
                     }
                     result.push(server.asNormalizedPath(f.fileName));
                 }
+                if (!excludeConfigFiles) {
+                    var configFile = this.program.getCompilerOptions().configFile;
+                    if (configFile) {
+                        result.push(server.asNormalizedPath(configFile.fileName));
+                        if (configFile.extendedSourceFiles) {
+                            for (var _b = 0, _c = configFile.extendedSourceFiles; _b < _c.length; _b++) {
+                                var f = _c[_b];
+                                result.push(server.asNormalizedPath(f));
+                            }
+                        }
+                    }
+                }
                 return result;
             };
+            Project.prototype.hasConfigFile = function (configFilePath) {
+                if (this.program && this.languageServiceEnabled) {
+                    var configFile = this.program.getCompilerOptions().configFile;
+                    if (configFile) {
+                        if (configFilePath === server.asNormalizedPath(configFile.fileName)) {
+                            return true;
+                        }
+                        if (configFile.extendedSourceFiles) {
+                            for (var _i = 0, _a = configFile.extendedSourceFiles; _i < _a.length; _i++) {
+                                var f = _a[_i];
+                                if (configFilePath === server.asNormalizedPath(f)) {
+                                    return true;
+                                }
+                            }
+                        }
+                    }
+                }
+                return false;
+            };
             Project.prototype.getAllEmittableFiles = function () {
                 if (!this.languageServiceEnabled) {
                     return [];
@@ -79003,7 +80931,7 @@ var ts;
                 }
             };
             Project.prototype.isRoot = function (info) {
-                return this.rootFilesMap && this.rootFilesMap.contains(info.path);
+                return this.rootFilesMap && this.rootFilesMap.has(info.path);
             };
             Project.prototype.addRoot = function (info) {
                 if (!this.isRoot(info)) {
@@ -79026,7 +80954,7 @@ var ts;
                 this.markAsDirty();
             };
             Project.prototype.registerFileUpdate = function (fileName) {
-                (this.updatedFileNames || (this.updatedFileNames = ts.createMap())).set(fileName, fileName);
+                (this.updatedFileNames || (this.updatedFileNames = ts.createMap())).set(fileName, true);
             };
             Project.prototype.markAsDirty = function () {
                 this.projectStateVersion++;
@@ -79067,24 +80995,23 @@ var ts;
                     var file = changedFiles_1[_i];
                     this.cachedUnresolvedImportsPerFile.remove(file);
                 }
-                var unresolvedImports;
-                if (hasChanges || changedFiles.length) {
-                    var result = [];
-                    for (var _a = 0, _b = this.program.getSourceFiles(); _a < _b.length; _a++) {
-                        var sourceFile = _b[_a];
-                        this.extractUnresolvedImportsFromSourceFile(sourceFile, result);
-                    }
-                    this.lastCachedUnresolvedImportsList = server.toSortedReadonlyArray(result);
-                }
-                unresolvedImports = this.lastCachedUnresolvedImportsList;
-                var cachedTypings = this.projectService.typingsCache.getTypingsForProject(this, unresolvedImports, hasChanges);
-                if (this.setTypings(cachedTypings)) {
-                    hasChanges = this.updateGraphWorker() || hasChanges;
-                }
                 if (this.languageServiceEnabled) {
+                    if (hasChanges || changedFiles.length) {
+                        var result = [];
+                        for (var _a = 0, _b = this.program.getSourceFiles(); _a < _b.length; _a++) {
+                            var sourceFile = _b[_a];
+                            this.extractUnresolvedImportsFromSourceFile(sourceFile, result);
+                        }
+                        this.lastCachedUnresolvedImportsList = server.toDeduplicatedSortedArray(result);
+                    }
+                    var cachedTypings = this.projectService.typingsCache.getTypingsForProject(this, this.lastCachedUnresolvedImportsList, hasChanges);
+                    if (this.setTypings(cachedTypings)) {
+                        hasChanges = this.updateGraphWorker() || hasChanges;
+                    }
                     this.builder.onProjectUpdateGraph();
                 }
                 else {
+                    this.lastCachedUnresolvedImportsList = undefined;
                     this.builder.clear();
                 }
                 if (hasChanges) {
@@ -79104,9 +81031,8 @@ var ts;
                 var _this = this;
                 var oldProgram = this.program;
                 this.program = this.languageService.getProgram();
-                var hasChanges = false;
-                if (!oldProgram || (this.program !== oldProgram && !(oldProgram.structureIsReused & 2))) {
-                    hasChanges = true;
+                var hasChanges = !oldProgram || (this.program !== oldProgram && !(oldProgram.structureIsReused & 2));
+                if (hasChanges) {
                     if (oldProgram) {
                         for (var _i = 0, _a = oldProgram.getSourceFiles(); _i < _a.length; _i++) {
                             var f = _a[_i];
@@ -79119,6 +81045,32 @@ var ts;
                             }
                         }
                     }
+                    var missingFilePaths = this.program.getMissingFilePaths();
+                    var missingFilePathsSet_1 = ts.arrayToSet(missingFilePaths);
+                    this.missingFilesMap.forEach(function (fileWatcher, missingFilePath) {
+                        if (!missingFilePathsSet_1.has(missingFilePath)) {
+                            _this.missingFilesMap.delete(missingFilePath);
+                            fileWatcher.close();
+                        }
+                    });
+                    var _loop_9 = function (missingFilePath) {
+                        if (!this_1.missingFilesMap.has(missingFilePath)) {
+                            var fileWatcher_1 = this_1.projectService.host.watchFile(missingFilePath, function (_filename, eventKind) {
+                                if (eventKind === ts.FileWatcherEventKind.Created && _this.missingFilesMap.has(missingFilePath)) {
+                                    fileWatcher_1.close();
+                                    _this.missingFilesMap.delete(missingFilePath);
+                                    _this.markAsDirty();
+                                    _this.updateGraph();
+                                }
+                            });
+                            this_1.missingFilesMap.set(missingFilePath, fileWatcher_1);
+                        }
+                    };
+                    var this_1 = this;
+                    for (var _b = 0, missingFilePaths_1 = missingFilePaths; _b < missingFilePaths_1.length; _b++) {
+                        var missingFilePath = missingFilePaths_1[_b];
+                        _loop_9(missingFilePath);
+                    }
                 }
                 var oldExternalFiles = this.externalFiles || server.emptyArray;
                 this.externalFiles = this.getExternalFiles();
@@ -79133,6 +81085,9 @@ var ts;
                 });
                 return hasChanges;
             };
+            Project.prototype.isWatchedMissingFile = function (path) {
+                return this.missingFilesMap.has(path);
+            };
             Project.prototype.getScriptInfoLSHost = function (fileName) {
                 var scriptInfo = this.projectService.getOrCreateScriptInfo(fileName, false);
                 if (scriptInfo) {
@@ -79157,7 +81112,7 @@ var ts;
                 var strBuilder = "";
                 for (var _i = 0, _a = this.program.getSourceFiles(); _i < _a.length; _i++) {
                     var file = _a[_i];
-                    strBuilder += file.fileName + "\n";
+                    strBuilder += "\t" + file.fileName + "\n";
                 }
                 return strBuilder;
             };
@@ -79196,10 +81151,11 @@ var ts;
                 this.updatedFileNames = undefined;
                 if (this.lastReportedFileNames && lastKnownVersion === this.lastReportedVersion) {
                     if (this.projectStructureVersion === this.lastReportedVersion && !updatedFileNames) {
-                        return { info: info, projectErrors: this.projectErrors };
+                        return { info: info, projectErrors: this.getGlobalProjectErrors() };
                     }
                     var lastReportedFileNames_1 = this.lastReportedFileNames;
-                    var currentFiles_1 = ts.arrayToMap(this.getFileNames(), function (x) { return x; });
+                    var externalFiles = this.getExternalFiles().map(function (f) { return server.toNormalizedPath(f); });
+                    var currentFiles_1 = ts.arrayToSet(this.getFileNames().concat(externalFiles));
                     var added_1 = [];
                     var removed_1 = [];
                     var updated = updatedFileNames ? ts.arrayFrom(updatedFileNames.keys()) : [];
@@ -79215,13 +81171,15 @@ var ts;
                     });
                     this.lastReportedFileNames = currentFiles_1;
                     this.lastReportedVersion = this.projectStructureVersion;
-                    return { info: info, changes: { added: added_1, removed: removed_1, updated: updated }, projectErrors: this.projectErrors };
+                    return { info: info, changes: { added: added_1, removed: removed_1, updated: updated }, projectErrors: this.getGlobalProjectErrors() };
                 }
                 else {
                     var projectFileNames = this.getFileNames();
-                    this.lastReportedFileNames = ts.arrayToMap(projectFileNames, function (x) { return x; });
+                    var externalFiles = this.getExternalFiles().map(function (f) { return server.toNormalizedPath(f); });
+                    var allFiles = projectFileNames.concat(externalFiles);
+                    this.lastReportedFileNames = ts.arrayToSet(allFiles);
                     this.lastReportedVersion = this.projectStructureVersion;
-                    return { info: info, files: projectFileNames, projectErrors: this.projectErrors };
+                    return { info: info, files: allFiles, projectErrors: this.getGlobalProjectErrors() };
                 }
             };
             Project.prototype.getReferencedFiles = function (path) {
@@ -79271,17 +81229,18 @@ var ts;
             };
             Project.prototype.removeRoot = function (info) {
                 ts.orderedRemoveItem(this.rootFiles, info);
-                this.rootFilesMap.remove(info.path);
+                this.rootFilesMap.delete(info.path);
             };
             return Project;
         }());
         server.Project = Project;
         var InferredProject = (function (_super) {
             __extends(InferredProject, _super);
-            function InferredProject(projectService, documentRegistry, compilerOptions) {
+            function InferredProject(projectService, documentRegistry, compilerOptions, projectRootPath) {
                 var _this = _super.call(this, InferredProject.newName(), ProjectKind.Inferred, projectService, documentRegistry, undefined, true, compilerOptions, false) || this;
                 _this._isJsInferredProject = false;
                 _this.directoriesWatchedForTsconfig = [];
+                _this.projectRootPath = projectRootPath;
                 return _this;
             }
             InferredProject.prototype.toggleJsInferredProject = function (isJsInferredProject) {
@@ -79291,7 +81250,7 @@ var ts;
                 }
             };
             InferredProject.prototype.setCompilerOptions = function (options) {
-                var newOptions = options ? ts.clone(options) : this.getCompilerOptions();
+                var newOptions = options ? ts.cloneCompilerOptions(options) : this.getCompilerOptions();
                 if (!newOptions) {
                     return;
                 }
@@ -79385,20 +81344,24 @@ var ts;
                     }
                 }
                 if (this.projectService.globalPlugins) {
-                    var _loop_7 = function (globalPluginName) {
+                    var _loop_10 = function (globalPluginName) {
+                        if (!globalPluginName)
+                            return "continue";
                         if (options.plugins && options.plugins.some(function (p) { return p.name === globalPluginName; }))
                             return "continue";
-                        this_1.enablePlugin({ name: globalPluginName, global: true }, searchPaths);
+                        this_2.projectService.logger.info("Loading global plugin " + globalPluginName);
+                        this_2.enablePlugin({ name: globalPluginName, global: true }, searchPaths);
                     };
-                    var this_1 = this;
+                    var this_2 = this;
                     for (var _b = 0, _c = this.projectService.globalPlugins; _b < _c.length; _b++) {
                         var globalPluginName = _c[_b];
-                        _loop_7(globalPluginName);
+                        _loop_10(globalPluginName);
                     }
                 }
             };
             ConfiguredProject.prototype.enablePlugin = function (pluginConfigEntry, searchPaths) {
                 var _this = this;
+                this.projectService.logger.info("Enabling plugin " + pluginConfigEntry.name + " from candidate paths: " + searchPaths.join(","));
                 var log = function (message) {
                     _this.projectService.logger.info(message);
                 };
@@ -79410,7 +81373,7 @@ var ts;
                         return;
                     }
                 }
-                this.projectService.logger.info("Couldn't find " + pluginConfigEntry.name + " anywhere in paths: " + searchPaths.join(","));
+                this.projectService.logger.info("Couldn't find " + pluginConfigEntry.name);
             };
             ConfiguredProject.prototype.enableProxy = function (pluginModuleFactory, configEntry) {
                 try {
@@ -79426,7 +81389,16 @@ var ts;
                         serverHost: this.projectService.host
                     };
                     var pluginModule = pluginModuleFactory({ typescript: ts });
-                    this.languageService = pluginModule.create(info);
+                    var newLS = pluginModule.create(info);
+                    for (var _i = 0, _a = Object.keys(this.languageService); _i < _a.length; _i++) {
+                        var k = _a[_i];
+                        if (!(k in newLS)) {
+                            this.projectService.logger.info("Plugin activation warning: Missing proxied method " + k + " in created LS. Patching.");
+                            newLS[k] = this.languageService[k];
+                        }
+                    }
+                    this.projectService.logger.info("Plugin validation succeded");
+                    this.languageService = newLS;
                     this.plugins.push(pluginModule);
                 }
                 catch (e) {
@@ -79447,7 +81419,7 @@ var ts;
             };
             ConfiguredProject.prototype.getExternalFiles = function () {
                 var _this = this;
-                return server.toSortedReadonlyArray(ts.flatMap(this.plugins, function (plugin) {
+                return server.toSortedArray(ts.flatMap(this.plugins, function (plugin) {
                     if (typeof plugin.getExternalFiles !== "function")
                         return;
                     try {
@@ -79455,6 +81427,9 @@ var ts;
                     }
                     catch (e) {
                         _this.projectService.logger.info("A plugin threw an exception in getExternalFiles: " + e);
+                        if (e.stack) {
+                            _this.projectService.logger.info(e.stack);
+                        }
                     }
                 }));
             };
@@ -79516,10 +81491,12 @@ var ts;
                     }
                     this.typeRootsWatchers = undefined;
                 }
-                this.directoriesWatchedForWildcards.forEach(function (watcher) {
-                    watcher.close();
-                });
-                this.directoriesWatchedForWildcards = undefined;
+                if (this.directoriesWatchedForWildcards) {
+                    this.directoriesWatchedForWildcards.forEach(function (watcher) {
+                        watcher.close();
+                    });
+                    this.directoriesWatchedForWildcards = undefined;
+                }
                 this.stopWatchingDirectory();
             };
             ConfiguredProject.prototype.addOpenRef = function () {
@@ -79676,17 +81653,14 @@ var ts;
         }
         server.convertScriptKindName = convertScriptKindName;
         function combineProjectOutput(projects, action, comparer, areEqual) {
-            var result = projects.reduce(function (previous, current) { return ts.concatenate(previous, action(current)); }, []).sort(comparer);
+            var result = ts.flatMap(projects, action).sort(comparer);
             return projects.length > 1 ? ts.deduplicate(result, areEqual) : result;
         }
         server.combineProjectOutput = combineProjectOutput;
         var fileNamePropertyReader = {
             getFileName: function (x) { return x; },
             getScriptKind: function (_) { return undefined; },
-            hasMixedContent: function (fileName, extraFileExtensions) {
-                var mixedContentExtensions = ts.map(ts.filter(extraFileExtensions, function (item) { return item.isMixedContent; }), function (item) { return item.extension; });
-                return ts.forEach(mixedContentExtensions, function (extension) { return ts.fileExtensionIs(fileName, extension); });
-            }
+            hasMixedContent: function (fileName, extraFileExtensions) { return ts.some(extraFileExtensions, function (ext) { return ext.isMixedContent && ts.fileExtensionIs(fileName, ext.extension); }); },
         };
         var externalFilePropertyReader = {
             getFileName: function (x) { return x.fileName; },
@@ -79746,18 +81720,21 @@ var ts;
         }());
         var ProjectService = (function () {
             function ProjectService(opts) {
-                this.filenameToScriptInfo = ts.createFileMap();
+                this.filenameToScriptInfo = ts.createMap();
                 this.externalProjectToConfiguredProjectMap = ts.createMap();
                 this.externalProjects = [];
                 this.inferredProjects = [];
                 this.configuredProjects = [];
                 this.openFiles = [];
+                this.compilerOptionsForInferredProjectsPerProjectRoot = ts.createMap();
                 this.projectToSizeMap = ts.createMap();
+                this.safelist = defaultTypeSafeList;
                 this.seenProjects = ts.createMap();
                 this.host = opts.host;
                 this.logger = opts.logger;
                 this.cancellationToken = opts.cancellationToken;
                 this.useSingleInferredProject = opts.useSingleInferredProject;
+                this.useInferredProjectPerProjectRoot = opts.useInferredProjectPerProjectRoot;
                 this.typingsInstaller = opts.typingsInstaller || server.nullTypingsInstaller;
                 this.throttleWaitMilliseconds = opts.throttleWaitMilliseconds;
                 this.eventHandler = opts.eventHandler;
@@ -79790,10 +81767,11 @@ var ts;
                 if (!this.eventHandler) {
                     return;
                 }
-                this.eventHandler({
+                var event = {
                     eventName: server.ProjectLanguageServiceStateEvent,
                     data: { project: project, languageServiceEnabled: languageServiceEnabled }
-                });
+                };
+                this.eventHandler(event);
             };
             ProjectService.prototype.updateTypingsForProject = function (response) {
                 var project = this.findProject(response.projectName);
@@ -79810,16 +81788,28 @@ var ts;
                 }
                 project.updateGraph();
             };
-            ProjectService.prototype.setCompilerOptionsForInferredProjects = function (projectCompilerOptions) {
-                this.compilerOptionsForInferredProjects = convertCompilerOptions(projectCompilerOptions);
-                this.compilerOptionsForInferredProjects.allowNonTsExtensions = true;
-                this.compileOnSaveForInferredProjects = projectCompilerOptions.compileOnSave;
+            ProjectService.prototype.setCompilerOptionsForInferredProjects = function (projectCompilerOptions, projectRootPath) {
+                ts.Debug.assert(projectRootPath === undefined || this.useInferredProjectPerProjectRoot, "Setting compiler options per project root path is only supported when useInferredProjectPerProjectRoot is enabled");
+                var compilerOptions = convertCompilerOptions(projectCompilerOptions);
+                compilerOptions.allowNonTsExtensions = true;
+                if (projectRootPath) {
+                    this.compilerOptionsForInferredProjectsPerProjectRoot.set(projectRootPath, compilerOptions);
+                }
+                else {
+                    this.compilerOptionsForInferredProjects = compilerOptions;
+                }
+                var updatedProjects = [];
                 for (var _i = 0, _a = this.inferredProjects; _i < _a.length; _i++) {
-                    var proj = _a[_i];
-                    proj.setCompilerOptions(this.compilerOptionsForInferredProjects);
-                    proj.compileOnSaveEnabled = projectCompilerOptions.compileOnSave;
+                    var project = _a[_i];
+                    if (projectRootPath ?
+                        project.projectRootPath === projectRootPath :
+                        !project.projectRootPath || !this.compilerOptionsForInferredProjectsPerProjectRoot.has(project.projectRootPath)) {
+                        project.setCompilerOptions(compilerOptions);
+                        project.compileOnSaveEnabled = compilerOptions.compileOnSave;
+                        updatedProjects.push(project);
+                    }
                 }
-                this.updateProjectGraphs(this.inferredProjects);
+                this.updateProjectGraphs(updatedProjects);
             };
             ProjectService.prototype.stopWatchingDirectory = function (directory) {
                 this.directoryWatchers.stopWatchingDirectory(directory);
@@ -79902,7 +81892,7 @@ var ts;
                     if (info && (!info.isScriptOpen())) {
                         if (info.containingProjects.length === 0) {
                             info.stopWatcher();
-                            this.filenameToScriptInfo.remove(info.path);
+                            this.filenameToScriptInfo.delete(info.path);
                         }
                         else {
                             info.reloadFromFile();
@@ -79915,7 +81905,7 @@ var ts;
                 this.logger.info(info.fileName + " deleted");
                 info.stopWatcher();
                 if (!info.isScriptOpen()) {
-                    this.filenameToScriptInfo.remove(info.path);
+                    this.filenameToScriptInfo.delete(info.path);
                     this.lastDeletedFile = info;
                     var containingProjects = info.containingProjects.slice();
                     info.detachAllProjects();
@@ -79926,10 +81916,11 @@ var ts;
                     }
                     for (var _i = 0, _a = this.openFiles; _i < _a.length; _i++) {
                         var openFile = _a[_i];
-                        this.eventHandler({
+                        var event = {
                             eventName: server.ContextEvent,
                             data: { project: openFile.getDefaultProject(), fileName: openFile.fileName }
-                        });
+                        };
+                        this.eventHandler(event);
                     }
                 }
                 this.printProjects();
@@ -79989,19 +81980,19 @@ var ts;
                 project.close();
                 switch (project.projectKind) {
                     case server.ProjectKind.External:
-                        server.removeItemFromSet(this.externalProjects, project);
+                        ts.unorderedRemoveItem(this.externalProjects, project);
                         this.projectToSizeMap.delete(project.externalProjectName);
                         break;
                     case server.ProjectKind.Configured:
-                        server.removeItemFromSet(this.configuredProjects, project);
+                        ts.unorderedRemoveItem(this.configuredProjects, project);
                         this.projectToSizeMap.delete(project.canonicalConfigFilePath);
                         break;
                     case server.ProjectKind.Inferred:
-                        server.removeItemFromSet(this.inferredProjects, project);
+                        ts.unorderedRemoveItem(this.inferredProjects, project);
                         break;
                 }
             };
-            ProjectService.prototype.assignScriptInfoToInferredProjectIfNecessary = function (info, addToListOfOpenFiles) {
+            ProjectService.prototype.assignScriptInfoToInferredProjectIfNecessary = function (info, addToListOfOpenFiles, projectRootPath) {
                 var externalProject = this.findContainingExternalProject(info.fileName);
                 if (externalProject) {
                     if (addToListOfOpenFiles) {
@@ -80026,19 +82017,19 @@ var ts;
                     return;
                 }
                 if (info.containingProjects.length === 0) {
-                    var inferredProject = this.createInferredProjectWithRootFileIfNecessary(info);
-                    if (!this.useSingleInferredProject) {
+                    var inferredProject = this.createInferredProjectWithRootFileIfNecessary(info, projectRootPath);
+                    if (!this.useSingleInferredProject && !inferredProject.projectRootPath) {
                         for (var _b = 0, _c = this.openFiles; _b < _c.length; _b++) {
                             var f = _c[_b];
                             if (f.containingProjects.length === 0 || !inferredProject.containsScriptInfo(f)) {
                                 continue;
                             }
                             for (var _d = 0, _e = f.containingProjects; _d < _e.length; _d++) {
-                                var fContainingProject = _e[_d];
-                                if (fContainingProject.projectKind === server.ProjectKind.Inferred &&
-                                    fContainingProject.isRoot(f) &&
-                                    fContainingProject !== inferredProject) {
-                                    this.removeProject(fContainingProject);
+                                var containingProject = _e[_d];
+                                if (containingProject.projectKind === server.ProjectKind.Inferred &&
+                                    containingProject !== inferredProject &&
+                                    containingProject.isRoot(f)) {
+                                    this.removeProject(containingProject);
                                     f.attachToProject(inferredProject);
                                 }
                             }
@@ -80051,7 +82042,7 @@ var ts;
             };
             ProjectService.prototype.closeOpenFile = function (info) {
                 info.close();
-                server.removeItemFromSet(this.openFiles, info);
+                ts.unorderedRemoveItem(this.openFiles, info);
                 var projectsToRemove;
                 for (var _i = 0, _a = info.containingProjects; _i < _a.length; _i++) {
                     var p = _a[_i];
@@ -80097,14 +82088,13 @@ var ts;
                 }
             };
             ProjectService.prototype.deleteOrphanScriptInfoNotInAnyProject = function () {
-                for (var _i = 0, _a = this.filenameToScriptInfo.getKeys(); _i < _a.length; _i++) {
-                    var path = _a[_i];
-                    var info = this.filenameToScriptInfo.get(path);
+                var _this = this;
+                this.filenameToScriptInfo.forEach(function (info) {
                     if (!info.isScriptOpen() && info.containingProjects.length === 0) {
                         info.stopWatcher();
-                        this.filenameToScriptInfo.remove(info.path);
+                        _this.filenameToScriptInfo.delete(info.path);
                     }
-                }
+                });
             };
             ProjectService.prototype.openOrUpdateConfiguredProjectForFile = function (fileName, projectRootPath) {
                 var searchPath = ts.getDirectoryPath(fileName);
@@ -80150,31 +82140,32 @@ var ts;
                 return undefined;
             };
             ProjectService.prototype.printProjects = function () {
+                var _this = this;
                 if (!this.logger.hasLevel(server.LogLevel.verbose)) {
                     return;
                 }
                 this.logger.startGroup();
                 var counter = 0;
-                counter = printProjects(this.logger, this.externalProjects, counter);
-                counter = printProjects(this.logger, this.configuredProjects, counter);
-                counter = printProjects(this.logger, this.inferredProjects, counter);
-                this.logger.info("Open files: ");
-                for (var _i = 0, _a = this.openFiles; _i < _a.length; _i++) {
-                    var rootFile = _a[_i];
-                    this.logger.info(rootFile.fileName);
-                }
-                this.logger.endGroup();
-                function printProjects(logger, projects, counter) {
+                var printProjects = function (projects, counter) {
                     for (var _i = 0, projects_4 = projects; _i < projects_4.length; _i++) {
                         var project = projects_4[_i];
                         project.updateGraph();
-                        logger.info("Project '" + project.getProjectName() + "' (" + server.ProjectKind[project.projectKind] + ") " + counter);
-                        logger.info(project.filesToString());
-                        logger.info("-----------------------------------------------");
+                        _this.logger.info("Project '" + project.getProjectName() + "' (" + server.ProjectKind[project.projectKind] + ") " + counter);
+                        _this.logger.info(project.filesToString());
+                        _this.logger.info("-----------------------------------------------");
                         counter++;
                     }
                     return counter;
+                };
+                counter = printProjects(this.externalProjects, counter);
+                counter = printProjects(this.configuredProjects, counter);
+                printProjects(this.inferredProjects, counter);
+                this.logger.info("Open files: ");
+                for (var _i = 0, _a = this.openFiles; _i < _a.length; _i++) {
+                    var rootFile = _a[_i];
+                    this.logger.info("\t" + rootFile.fileName);
                 }
+                this.logger.endGroup();
             };
             ProjectService.prototype.findConfiguredProjectByProjectName = function (configFileName) {
                 configFileName = server.asNormalizedPath(this.toCanonicalFileName(configFileName));
@@ -80191,30 +82182,27 @@ var ts;
             ProjectService.prototype.convertConfigFileContentToProjectOptions = function (configFilename) {
                 configFilename = ts.normalizePath(configFilename);
                 var configFileContent = this.host.readFile(configFilename);
-                var errors;
-                var result = ts.parseConfigFileTextToJson(configFilename, configFileContent);
-                var config = result.config;
-                if (result.error) {
-                    var _a = ts.sanitizeConfigFile(configFilename, configFileContent), sanitizedConfig = _a.configJsonObject, diagnostics = _a.diagnostics;
-                    config = sanitizedConfig;
-                    errors = diagnostics.length ? diagnostics : [result.error];
+                var result = ts.parseJsonText(configFilename, configFileContent);
+                if (!result.endOfFileToken) {
+                    result.endOfFileToken = { kind: 1 };
                 }
-                var parsedCommandLine = ts.parseJsonConfigFileContent(config, this.host, ts.getDirectoryPath(configFilename), {}, configFilename, [], this.hostConfiguration.extraFileExtensions);
+                var errors = result.parseDiagnostics;
+                var parsedCommandLine = ts.parseJsonSourceFileConfigFileContent(result, this.host, ts.getDirectoryPath(configFilename), {}, configFilename, [], this.hostConfiguration.extraFileExtensions);
                 if (parsedCommandLine.errors.length) {
-                    errors = ts.concatenate(errors, parsedCommandLine.errors);
+                    errors.push.apply(errors, parsedCommandLine.errors);
                 }
                 ts.Debug.assert(!!parsedCommandLine.fileNames);
                 if (parsedCommandLine.fileNames.length === 0) {
-                    (errors || (errors = [])).push(ts.createCompilerDiagnostic(ts.Diagnostics.The_config_file_0_found_doesn_t_contain_any_source_files, configFilename));
+                    errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.The_config_file_0_found_doesn_t_contain_any_source_files, configFilename));
                     return { success: false, configFileErrors: errors };
                 }
                 var projectOptions = {
                     files: parsedCommandLine.fileNames,
                     compilerOptions: parsedCommandLine.options,
-                    configHasExtendsProperty: config.extends !== undefined,
-                    configHasFilesProperty: config.files !== undefined,
-                    configHasIncludeProperty: config.include !== undefined,
-                    configHasExcludeProperty: config.exclude !== undefined,
+                    configHasExtendsProperty: parsedCommandLine.raw["extends"] !== undefined,
+                    configHasFilesProperty: parsedCommandLine.raw["files"] !== undefined,
+                    configHasIncludeProperty: parsedCommandLine.raw["include"] !== undefined,
+                    configHasExcludeProperty: parsedCommandLine.raw["exclude"] !== undefined,
                     wildcardDirectories: ts.createMapFromTemplate(parsedCommandLine.wildcardDirectories),
                     typeAcquisition: parsedCommandLine.typeAcquisition,
                     compileOnSave: parsedCommandLine.compileOnSave
@@ -80298,10 +82286,11 @@ var ts;
                 if (!this.eventHandler) {
                     return;
                 }
-                this.eventHandler({
+                var event = {
                     eventName: server.ConfigFileDiagEvent,
-                    data: { configFileName: configFileName, diagnostics: diagnostics || [], triggerFile: triggerFile }
-                });
+                    data: { configFileName: configFileName, diagnostics: diagnostics || server.emptyArray, triggerFile: triggerFile }
+                };
+                this.eventHandler(event);
             };
             ProjectService.prototype.createAndAddConfiguredProject = function (configFileName, projectOptions, configFileErrors, clientFileName) {
                 var _this = this;
@@ -80352,7 +82341,7 @@ var ts;
                 return {
                     success: conversionResult.success,
                     project: project,
-                    errors: project.getProjectErrors()
+                    errors: project.getGlobalProjectErrors()
                 };
             };
             ProjectService.prototype.updateNonInferredProject = function (project, newUncheckedFiles, propertyReader, newOptions, newTypeAcquisition, compileOnSave, configFileErrors) {
@@ -80450,18 +82439,60 @@ var ts;
                 }
                 return configFileErrors;
             };
-            ProjectService.prototype.createInferredProjectWithRootFileIfNecessary = function (root) {
+            ProjectService.prototype.getOrCreateInferredProjectForProjectRootPathIfEnabled = function (root, projectRootPath) {
+                if (!this.useInferredProjectPerProjectRoot) {
+                    return undefined;
+                }
+                if (projectRootPath) {
+                    for (var _i = 0, _a = this.inferredProjects; _i < _a.length; _i++) {
+                        var project = _a[_i];
+                        if (project.projectRootPath === projectRootPath) {
+                            return project;
+                        }
+                    }
+                    return this.createInferredProject(false, projectRootPath);
+                }
+                var bestMatch;
+                for (var _b = 0, _c = this.inferredProjects; _b < _c.length; _b++) {
+                    var project = _c[_b];
+                    if (!project.projectRootPath)
+                        continue;
+                    if (!ts.containsPath(project.projectRootPath, root.path, this.host.getCurrentDirectory(), !this.host.useCaseSensitiveFileNames))
+                        continue;
+                    if (bestMatch && bestMatch.projectRootPath.length > project.projectRootPath.length)
+                        continue;
+                    bestMatch = project;
+                }
+                return bestMatch;
+            };
+            ProjectService.prototype.getOrCreateSingleInferredProjectIfEnabled = function () {
+                if (!this.useSingleInferredProject) {
+                    return undefined;
+                }
+                if (this.inferredProjects.length > 0 && this.inferredProjects[0].projectRootPath === undefined) {
+                    return this.inferredProjects[0];
+                }
+                return this.createInferredProject(true);
+            };
+            ProjectService.prototype.createInferredProject = function (isSingleInferredProject, projectRootPath) {
+                var compilerOptions = projectRootPath && this.compilerOptionsForInferredProjectsPerProjectRoot.get(projectRootPath) || this.compilerOptionsForInferredProjects;
+                var project = new server.InferredProject(this, this.documentRegistry, compilerOptions, projectRootPath);
+                if (isSingleInferredProject) {
+                    this.inferredProjects.unshift(project);
+                }
+                else {
+                    this.inferredProjects.push(project);
+                }
+                return project;
+            };
+            ProjectService.prototype.createInferredProjectWithRootFileIfNecessary = function (root, projectRootPath) {
                 var _this = this;
-                var useExistingProject = this.useSingleInferredProject && this.inferredProjects.length;
-                var project = useExistingProject
-                    ? this.inferredProjects[0]
-                    : new server.InferredProject(this, this.documentRegistry, this.compilerOptionsForInferredProjects);
+                var project = this.getOrCreateInferredProjectForProjectRootPathIfEnabled(root, projectRootPath) ||
+                    this.getOrCreateSingleInferredProjectIfEnabled() ||
+                    this.createInferredProject();
                 project.addRoot(root);
                 this.directoryWatchers.startWatchingContainingDirectoriesForFile(root.fileName, project, function (fileName) { return _this.onConfigFileAddedForInferredProject(fileName); });
                 project.updateGraph();
-                if (!useExistingProject) {
-                    this.inferredProjects.push(project);
-                }
                 return project;
             };
             ProjectService.prototype.getOrCreateScriptInfo = function (uncheckedFileName, openedByClient, fileContent, scriptKind) {
@@ -80594,7 +82625,7 @@ var ts;
                     project.markAsDirty();
                 }
                 var info = this.getOrCreateScriptInfoForNormalizedPath(fileName, true, fileContent, scriptKind, hasMixedContent);
-                this.assignScriptInfoToInferredProjectIfNecessary(info, true);
+                this.assignScriptInfoToInferredProjectIfNecessary(info, true, projectRootPath);
                 this.deleteOrphanScriptInfoNotInAnyProject();
                 this.printProjects();
                 return { configFileName: configFileName, configFileErrors: configFileErrors };
@@ -80608,13 +82639,13 @@ var ts;
                 this.printProjects();
             };
             ProjectService.prototype.collectChanges = function (lastKnownProjectVersions, currentProjects, result) {
-                var _loop_8 = function (proj) {
+                var _loop_11 = function (proj) {
                     var knownProject = ts.forEach(lastKnownProjectVersions, function (p) { return p.projectName === proj.getProjectName() && p; });
                     result.push(proj.getChangesSinceVersion(knownProject && knownProject.version));
                 };
                 for (var _i = 0, currentProjects_1 = currentProjects; _i < currentProjects_1.length; _i++) {
                     var proj = currentProjects_1[_i];
-                    _loop_8(proj);
+                    _loop_11(proj);
                 }
             };
             ProjectService.prototype.synchronizeProjectList = function (knownProjects) {
@@ -80630,7 +82661,7 @@ var ts;
                     for (var _i = 0, openFiles_1 = openFiles; _i < openFiles_1.length; _i++) {
                         var file = openFiles_1[_i];
                         var scriptInfo = this.getScriptInfo(file.fileName);
-                        ts.Debug.assert(!scriptInfo || !scriptInfo.isScriptOpen());
+                        ts.Debug.assert(!scriptInfo || !scriptInfo.isScriptOpen(), "Script should not exist and not be open already");
                         var normalizedPath = scriptInfo ? scriptInfo.fileName : server.toNormalizedPath(file.fileName);
                         this.openClientFileWithNormalizedPath(normalizedPath, file.content, tryConvertScriptKindName(file.scriptKind), file.hasMixedContent);
                     }
@@ -80717,7 +82748,7 @@ var ts;
                 return filename.replace(this.filenameEscapeRegexp, "\\$&");
             };
             ProjectService.prototype.resetSafeList = function () {
-                ProjectService.safelist = defaultTypeSafeList;
+                this.safelist = defaultTypeSafeList;
             };
             ProjectService.prototype.loadSafeList = function (fileName) {
                 var raw = JSON.parse(this.host.readFile(fileName, "utf-8"));
@@ -80725,7 +82756,7 @@ var ts;
                     var k = _a[_i];
                     raw[k].match = new RegExp(raw[k].match, "i");
                 }
-                ProjectService.safelist = raw;
+                this.safelist = raw;
             };
             ProjectService.prototype.applySafeList = function (proj) {
                 var _this = this;
@@ -80733,12 +82764,12 @@ var ts;
                 var types = (typeAcquisition && typeAcquisition.include) || [];
                 var excludeRules = [];
                 var normalizedNames = rootFiles.map(function (f) { return ts.normalizeSlashes(f.fileName); });
-                var _loop_9 = function (name) {
-                    var rule = ProjectService.safelist[name];
+                var _loop_12 = function (name) {
+                    var rule = this_3.safelist[name];
                     for (var _i = 0, normalizedNames_1 = normalizedNames; _i < normalizedNames_1.length; _i++) {
                         var root = normalizedNames_1[_i];
                         if (rule.match.test(root)) {
-                            this_2.logger.info("Excluding files based on rule " + name);
+                            this_3.logger.info("Excluding files based on rule " + name);
                             if (rule.types) {
                                 for (var _a = 0, _b = rule.types; _a < _b.length; _a++) {
                                     var type = _b[_a];
@@ -80748,7 +82779,7 @@ var ts;
                                 }
                             }
                             if (rule.exclude) {
-                                var _loop_10 = function (exclude) {
+                                var _loop_13 = function (exclude) {
                                     var processedRule = root.replace(rule.match, function () {
                                         var groups = [];
                                         for (var _i = 0; _i < arguments.length; _i++) {
@@ -80771,7 +82802,7 @@ var ts;
                                 };
                                 for (var _c = 0, _d = rule.exclude; _c < _d.length; _c++) {
                                     var exclude = _d[_c];
-                                    _loop_10(exclude);
+                                    _loop_13(exclude);
                                 }
                             }
                             else {
@@ -80787,10 +82818,10 @@ var ts;
                         proj.typeAcquisition.include = types;
                     }
                 };
-                var this_2 = this;
-                for (var _i = 0, _a = Object.keys(ProjectService.safelist); _i < _a.length; _i++) {
+                var this_3 = this;
+                for (var _i = 0, _a = Object.keys(this.safelist); _i < _a.length; _i++) {
                     var name = _a[_i];
-                    _loop_9(name);
+                    _loop_12(name);
                 }
                 var excludeRegexes = excludeRules.map(function (e) { return new RegExp(e, "i"); });
                 proj.rootFiles = proj.rootFiles.filter(function (_file, index) { return !excludeRegexes.some(function (re) { return re.test(normalizedNames[index]); }); });
@@ -80886,7 +82917,6 @@ var ts;
                     this.refreshInferredProjects();
                 }
             };
-            ProjectService.safelist = defaultTypeSafeList;
             ProjectService.filenameEscapeRegexp = /[-\/\\^$*+?.()|[\]{}]/g;
             return ProjectService;
         }());
@@ -81060,23 +83090,8 @@ var ts;
             }
         }
         CoreServicesShimHostAdapter.prototype.readDirectory = function (rootDir, extensions, exclude, include, depth) {
-            try {
-                var pattern = ts.getFileMatcherPatterns(rootDir, exclude, include, this.shimHost.useCaseSensitiveFileNames(), this.shimHost.getCurrentDirectory());
-                return JSON.parse(this.shimHost.readDirectory(rootDir, JSON.stringify(extensions), JSON.stringify(pattern.basePaths), pattern.excludePattern, pattern.includeFilePattern, pattern.includeDirectoryPattern, depth));
-            }
-            catch (e) {
-                var results = [];
-                for (var _i = 0, extensions_2 = extensions; _i < extensions_2.length; _i++) {
-                    var extension = extensions_2[_i];
-                    for (var _a = 0, _b = this.readDirectoryFallback(rootDir, extension, exclude); _a < _b.length; _a++) {
-                        var file = _b[_a];
-                        if (!ts.contains(results, file)) {
-                            results.push(file);
-                        }
-                    }
-                }
-                return results;
-            }
+            var pattern = ts.getFileMatcherPatterns(rootDir, exclude, include, this.shimHost.useCaseSensitiveFileNames(), this.shimHost.getCurrentDirectory());
+            return JSON.parse(this.shimHost.readDirectory(rootDir, JSON.stringify(extensions), JSON.stringify(pattern.basePaths), pattern.excludePattern, pattern.includeFilePattern, pattern.includeDirectoryPattern, depth));
         };
         CoreServicesShimHostAdapter.prototype.fileExists = function (fileName) {
             return this.shimHost.fileExists(fileName);
@@ -81084,9 +83099,6 @@ var ts;
         CoreServicesShimHostAdapter.prototype.readFile = function (fileName) {
             return this.shimHost.readFile(fileName);
         };
-        CoreServicesShimHostAdapter.prototype.readDirectoryFallback = function (rootDir, extension, exclude) {
-            return JSON.parse(this.shimHost.readDirectory(rootDir, extension, JSON.stringify(exclude)));
-        };
         CoreServicesShimHostAdapter.prototype.getDirectories = function (path) {
             return JSON.parse(this.shimHost.getDirectories(path));
         };
@@ -81409,7 +83421,7 @@ var ts;
                 var compilerOptions = JSON.parse(compilerOptionsJson);
                 var result = ts.resolveModuleName(moduleName, ts.normalizeSlashes(fileName), compilerOptions, _this.host);
                 var resolvedFileName = result.resolvedModule ? result.resolvedModule.resolvedFileName : undefined;
-                if (result.resolvedModule && result.resolvedModule.extension !== ts.Extension.Ts && result.resolvedModule.extension !== ts.Extension.Tsx && result.resolvedModule.extension !== ts.Extension.Dts) {
+                if (result.resolvedModule && result.resolvedModule.extension !== ".ts" && result.resolvedModule.extension !== ".tsx" && result.resolvedModule.extension !== ".d.ts") {
                     resolvedFileName = undefined;
                 }
                 return {
@@ -81469,24 +83481,15 @@ var ts;
             var _this = this;
             return this.forwardJSONCall("getTSConfigFileInfo('" + fileName + "')", function () {
                 var text = sourceTextSnapshot.getText(0, sourceTextSnapshot.getLength());
-                var result = ts.parseConfigFileTextToJson(fileName, text);
-                if (result.error) {
-                    return {
-                        options: {},
-                        typeAcquisition: {},
-                        files: [],
-                        raw: {},
-                        errors: [realizeDiagnostic(result.error, "\r\n")]
-                    };
-                }
+                var result = ts.parseJsonText(fileName, text);
                 var normalizedFileName = ts.normalizeSlashes(fileName);
-                var configFile = ts.parseJsonConfigFileContent(result.config, _this.host, ts.getDirectoryPath(normalizedFileName), {}, normalizedFileName);
+                var configFile = ts.parseJsonSourceFileConfigFileContent(result, _this.host, ts.getDirectoryPath(normalizedFileName), {}, normalizedFileName);
                 return {
                     options: configFile.options,
                     typeAcquisition: configFile.typeAcquisition,
                     files: configFile.fileNames,
                     raw: configFile.raw,
-                    errors: realizeDiagnostics(configFile.errors, "\r\n")
+                    errors: realizeDiagnostics(result.parseDiagnostics.concat(configFile.errors), "\r\n")
                 };
             });
         };
@@ -81498,7 +83501,10 @@ var ts;
             var getCanonicalFileName = ts.createGetCanonicalFileName(false);
             return this.forwardJSONCall("discoverTypings()", function () {
                 var info = JSON.parse(discoverTypingsJson);
-                return ts.JsTyping.discoverTypings(_this.host, info.fileNames, ts.toPath(info.projectRootPath, info.projectRootPath, getCanonicalFileName), ts.toPath(info.safeListPath, info.safeListPath, getCanonicalFileName), info.packageNameToTypingLocation, info.typeAcquisition, info.unresolvedImports);
+                if (_this.safeList === undefined) {
+                    _this.safeList = ts.JsTyping.loadSafeList(_this.host, ts.toPath(info.safeListPath, info.safeListPath, getCanonicalFileName));
+                }
+                return ts.JsTyping.discoverTypings(_this.host, function (msg) { return _this.logger.log(msg); }, info.fileNames, ts.toPath(info.projectRootPath, info.projectRootPath, getCanonicalFileName), _this.safeList, info.packageNameToTypingLocation, info.typeAcquisition, info.unresolvedImports);
             });
         };
         return CoreServicesShimObject;
@@ -81544,7 +83550,7 @@ var ts;
             }
         };
         TypeScriptServicesFactory.prototype.close = function () {
-            this._shims = [];
+            ts.clear(this._shims);
             this.documentRegistry = undefined;
         };
         TypeScriptServicesFactory.prototype.registerShim = function (shim) {
@@ -81573,4 +83579,4 @@ var TypeScript;
         Services.TypeScriptServicesFactory = ts.TypeScriptServicesFactory;
     })(Services = TypeScript.Services || (TypeScript.Services = {}));
 })(TypeScript || (TypeScript = {}));
-var toolsVersion = "2.4";
+var toolsVersion = "2.5";