--- /dev/null
+/*! *****************************************************************************
+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.
+***************************************************************************** */
+
+
+
+/// <reference no-default-lib="true"/>\r
+
+
+declare namespace Reflect {\r
+ /**\r
+ * Calls the function with the specified object as the this value\r
+ * and the elements of specified array as the arguments.\r
+ * @param target The function to call.\r
+ * @param thisArgument The object to be used as the this object.\r
+ * @param argumentsList An array of argument values to be passed to the function.\r
+ */\r
+ function apply(target: Function, thisArgument: any, argumentsList: ArrayLike<any>): any;\r
+\r
+ /**\r
+ * Constructs the target with the elements of specified array as the arguments\r
+ * and the specified constructor as the `new.target` value.\r
+ * @param target The constructor to invoke.\r
+ * @param argumentsList An array of argument values to be passed to the constructor.\r
+ * @param newTarget The constructor to be used as the `new.target` object.\r
+ */\r
+ function construct(target: Function, argumentsList: ArrayLike<any>, newTarget?: Function): any;\r
+\r
+ /**\r
+ * Adds a property to an object, or modifies attributes of an existing property.\r
+ * @param target Object on which to add or modify the property. This can be a native JavaScript object\r
+ * (that is, a user-defined object or a built in object) or a DOM object.\r
+ * @param propertyKey The property name.\r
+ * @param attributes Descriptor for the property. It can be for a data property or an accessor property.\r
+ */\r
+ function defineProperty(target: object, propertyKey: PropertyKey, attributes: PropertyDescriptor): boolean;\r
+\r
+ /**\r
+ * Removes a property from an object, equivalent to `delete target[propertyKey]`,\r
+ * except it won't throw if `target[propertyKey]` is non-configurable.\r
+ * @param target Object from which to remove the own property.\r
+ * @param propertyKey The property name.\r
+ */\r
+ function deleteProperty(target: object, propertyKey: PropertyKey): boolean;\r
+\r
+ /**\r
+ * Gets the property of target, equivalent to `target[propertyKey]` when `receiver === target`.\r
+ * @param target Object that contains the property on itself or in its prototype chain.\r
+ * @param propertyKey The property name.\r
+ * @param receiver The reference to use as the `this` value in the getter function,\r
+ * if `target[propertyKey]` is an accessor property.\r
+ */\r
+ function get(target: object, propertyKey: PropertyKey, receiver?: any): any;\r
+\r
+ /**\r
+ * Gets the own property descriptor of the specified object.\r
+ * An own property descriptor is one that is defined directly on the object and is not inherited from the object's prototype.\r
+ * @param target Object that contains the property.\r
+ * @param propertyKey The property name.\r
+ */\r
+ function getOwnPropertyDescriptor(target: object, propertyKey: PropertyKey): PropertyDescriptor | undefined;\r
+\r
+ /**\r
+ * Returns the prototype of an object.\r
+ * @param target The object that references the prototype.\r
+ */\r
+ function getPrototypeOf(target: object): object | null;\r
+\r
+ /**\r
+ * Equivalent to `propertyKey in target`.\r
+ * @param target Object that contains the property on itself or in its prototype chain.\r
+ * @param propertyKey Name of the property.\r
+ */\r
+ function has(target: object, propertyKey: PropertyKey): boolean;\r
+\r
+ /**\r
+ * Returns a value that indicates whether new properties can be added to an object.\r
+ * @param target Object to test.\r
+ */\r
+ function isExtensible(target: object): boolean;\r
+\r
+ /**\r
+ * Returns the string and symbol keys of the own properties of an object. The own properties of an object\r
+ * are those that are defined directly on that object, and are not inherited from the object's prototype.\r
+ * @param target Object that contains the own properties.\r
+ */\r
+ function ownKeys(target: object): (string | symbol)[];\r
+\r
+ /**\r
+ * Prevents the addition of new properties to an object.\r
+ * @param target Object to make non-extensible.\r
+ * @return Whether the object has been made non-extensible.\r
+ */\r
+ function preventExtensions(target: object): boolean;\r
+\r
+ /**\r
+ * Sets the property of target, equivalent to `target[propertyKey] = value` when `receiver === target`.\r
+ * @param target Object that contains the property on itself or in its prototype chain.\r
+ * @param propertyKey Name of the property.\r
+ * @param receiver The reference to use as the `this` value in the setter function,\r
+ * if `target[propertyKey]` is an accessor property.\r
+ */\r
+ function set(target: object, propertyKey: PropertyKey, value: any, receiver?: any): boolean;\r
+\r
+ /**\r
+ * Sets the prototype of a specified object o to object proto or null.\r
+ * @param target The object to change its prototype.\r
+ * @param proto The value of the new prototype or null.\r
+ * @return Whether setting the prototype was successful.\r
+ */\r
+ function setPrototypeOf(target: object, proto: object | null): boolean;\r
+}\r