/**
 * @description Checking for value
 * @param {*} v - any values
 * @return {Boolean}
 */
declare const isEmpty: (v: any) => boolean;
declare const isObject: (v: any) => boolean;
declare const isRuntime: () => boolean;
declare const isString: (v: any) => v is string;
export { isEmpty, isObject, isRuntime, isString };