/**
 * @param { Promise } promise
 * @param { Object= } errorExt - Additional Information you can pass to the err object
 * @return { Promise }
 * @example const [error, data] = await awaitTo(api)
 */
export declare function awaitTo<T, U = Error>(promise: Promise<T>, errorExt?: object): Promise<[U, undefined] | [null, T]>;
export default awaitTo;