/**
 * @license Copyright (c) 2003-2022, RAONWIZ DevTeam. All rights reserved.
 */
declare const isValidKey: (key: string) => boolean;
declare const uuid: (prefix: string) => string;
declare const isNullOrUndefined: (value: any) => value is null | undefined;
export { isValidKey, uuid, isNullOrUndefined };