/**
 * Checks if `test` is Promise.
 *
 * @param {*} test The value to check.
 * @returns {boolean} Returns `true` if `test` is Promise, else `false`.
 * @example
 *
 *      isPromise({});                 //=> false
 *      isPromise(Promise.resolve());  //=> true
 */
export declare const isPromise: (test: unknown) => test is Promise<any>;
export default isPromise;