1 files changed, 4 insertions, 4 deletions
diff --git a/node_modules/typescript/lib/lib.es2015.core.d.ts b/node_modules/typescript/lib/lib.es2015.core.d.ts
index 82e2761b7..499d0de52 100644
--- a/node_modules/typescript/lib/lib.es2015.core.d.ts
+++ b/node_modules/typescript/lib/lib.es2015.core.d.ts
@@ -225,13 +225,13 @@ interface NumberConstructor {
       * number. Only finite values of the type number, result in true.
       * @param number A numeric value.
       */
-    isFinite(value: any): value is number;
+    isFinite(number: number): boolean;
 
     /**
       * Returns true if the value passed is an integer, false otherwise.
       * @param number A numeric value.
       */
-    isInteger(value: any): value is number;
+    isInteger(number: number): boolean;
 
     /**
       * Returns a Boolean value that indicates whether a value is the reserved value NaN (not a
@@ -239,13 +239,13 @@ interface NumberConstructor {
       * to a number. Only values of the type number, that are also NaN, result in true.
       * @param number A numeric value.
       */
-    isNaN(value: any): value is number;
+    isNaN(number: number): boolean;
 
     /**
       * Returns true if the value passed is a safe integer.
       * @param number A numeric value.
       */
-    isSafeInteger(value: any): value is number;
+    isSafeInteger(number: number): boolean;
 
     /**
       * The value of the largest integer n such that n and n + 1 are both exactly representable as