import type { RecoveryFn } from '../../internal/function.js';
import type { Option } from './option.js';
export type OptionTryRecoveryFn<out T> = RecoveryFn<Option<T>>;
/**
 *  Return _input_ as `T` if the passed _input_ is `Some(T)`.
 *  Otherwise, return the result of _recoverer_.
 */
export declare function orElseForOption<T>(input: Option<T>, recoverer: OptionTryRecoveryFn<T>): Option<T>;