export interface Left<E> {
    readonly _tag: 'Left';
    readonly left: E;
}
export interface Right<A> {
    readonly _tag: 'Right';
    readonly right: A;
}
export declare type Either<E, A> = Left<E> | Right<A>;
/**
 * @internal
 */
export declare function Left<E, A = never>(e: E): Either<E, A>;
/**
 * @internal
 */
export declare function Right<E = never, A = never>(a: A): Either<E, A>;
/**
 * @internal
 */
export declare function match_<E, A, B, C>(fa: Either<E, A>, onLeft: (e: E) => B, onRight: (a: A) => C): B | C;
/**
 * @internal
 */
export declare function match<E, A, B, C>(onLeft: (e: E) => B, onRight: (a: A) => C): (fa: Either<E, A>) => B | C;
//# sourceMappingURL=Either.d.ts.map