| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748 | /*! *****************************************************************************Copyright (c) Microsoft Corporation. All rights reserved.Licensed under the Apache License, Version 2.0 (the "License"); you may not usethis file except in compliance with the License. You may obtain a copy of theLicense at http://www.apache.org/licenses/LICENSE-2.0THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANYKIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIEDWARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,MERCHANTABLITY OR NON-INFRINGEMENT.See the Apache Version 2.0 License for specific language governing permissionsand limitations under the License.***************************************************************************** *//// <reference no-default-lib="true"/>interface SymbolConstructor {    /**     * A reference to the prototype.     */    readonly prototype: Symbol;    /**     * Returns a new unique Symbol value.     * @param  description Description of the new Symbol object.     */    (description?: string | number): symbol;    /**     * Returns a Symbol object from the global symbol registry matching the given key if found.     * Otherwise, returns a new symbol with this key.     * @param key key to search for.     */    for(key: string): symbol;    /**     * Returns a key from the global symbol registry matching the given Symbol if found.     * Otherwise, returns a undefined.     * @param sym Symbol to find the key for.     */    keyFor(sym: symbol): string | undefined;}declare var Symbol: SymbolConstructor;
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