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diff --git a/node_modules/fbjs/lib/Promise.native.js b/node_modules/fbjs/lib/Promise.native.js
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+/**
+ *
+ * Copyright 2013-2016 Facebook, Inc.
+ *
+ * This source code is licensed under the BSD-style license found in the
+ * LICENSE file in the root directory of this source tree. An additional grant
+ * of patent rights can be found in the PATENTS file in the same directory.
+ *
+ * This module wraps and augments the minimally ES6-compliant Promise
+ * implementation provided by the promise npm package.
+ *
+ */
+
+'use strict';
+
+var Promise = require('promise/setimmediate/es6-extensions');
+require('promise/setimmediate/done');
+
+/**
+ * Handle either fulfillment or rejection with the same callback.
+ */
+Promise.prototype['finally'] = function (onSettled) {
+ return this.then(onSettled, onSettled);
+};
+
+module.exports = Promise; \ No newline at end of file