AK-21/Graphite-Industrial-Intelligence

1/*! *****************************************************************************2Copyright (c) Microsoft Corporation. All rights reserved.3Licensed under the Apache License, Version 2.0 (the "License"); you may not use4this file except in compliance with the License. You may obtain a copy of the5License at http://www.apache.org/licenses/LICENSE-2.06 7THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY8KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED9WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,10MERCHANTABILITY OR NON-INFRINGEMENT.11 12See the Apache Version 2.0 License for specific language governing permissions13and limitations under the License.14***************************************************************************** */15 16 17interface SymbolConstructor {18    /**19     * A reference to the prototype.20     */21    readonly prototype: Symbol;22 23    /**24     * Returns a new unique Symbol value.25     * @param  description Description of the new Symbol object.26     */27    (description?: string | number): symbol;28 29    /**30     * Returns a Symbol object from the global symbol registry matching the given key if found.31     * Otherwise, returns a new symbol with this key.32     * @param key key to search for.33     */34    for(key: string): symbol;35 36    /**37     * Returns a key from the global symbol registry matching the given Symbol if found.38     * Otherwise, returns a undefined.39     * @param sym Symbol to find the key for.40     */41    keyFor(sym: symbol): string | undefined;42}43 44declare var Symbol: SymbolConstructor;45