import { Option } from '../option/option';
/**
 * A Try represents a computation that may or may not have succeeded.
 *
 * :TODO: Narrow self-type in `getOrElse` and `orElse` interfaces.
 */
interface Try<A> {
    isFailure: boolean;
    isSuccess: boolean;
    equals<B>(other: Try<B>): boolean;
    filter(predicate: (value: A) => boolean): Try<A>;
    flatMap<B>(f: (value: A) => Try<B>): Try<B>;
    foreach(run: (value: A) => void): void;
    get(): A;
    getOrElse<B>(defaultValue: () => B): B;
    map<B>(f: (value: A) => B): Try<B>;
    match<B>(matcher: {
        Success: (a: A) => B;
        Failure: (e: Error) => B;
    }): B;
    orElse<B>(alternative: () => Try<B>): Try<B>;
    recover(fn: (error: Error) => A): Try<A>;
    recoverWith(fn: (error: Error) => Try<A>): Try<A>;
    toOption(): Option<A>;
}
declare function Try<A>(fn: () => A): Try<A>;
declare namespace Try {
    function flatten<A>(tries: Array<Try<A>>): Array<A>;
}
export { Try };