import type { AsyncRecoveryFn } from '../../internal/function.js';
import { type Undefinable } from '../core/undefinable.js';
export type UndefinableAsyncTryRecoveryFn<out T> = AsyncRecoveryFn<Undefinable<T>>;
/**
 *  Return _input_ as `T` if the passed _input_ is not `undefined`.
 *  Otherwise, return the result of _recoverer_.
 */
export declare function orElseAsyncForUndefinable<T>(input: Undefinable<T>, recoverer: UndefinableAsyncTryRecoveryFn<T>): Promise<Undefinable<T>>;