import { Either, ILeft, IRight } from './either';
declare type AsyncFn<T, L, R> = (input: T) => Promise<Either<L, R>>;
export declare function pipeEither<T, R>(input: T): Promise<IRight<R>>;
export declare function pipeEither<T, L, R>(input: T, f1: AsyncFn<T, L, R>): Promise<Either<L, R>>;
export declare function pipeEither<T, L1, R1, L2, R2>(input: T, f1: AsyncFn<T, L1, R1>, f2: AsyncFn<R1, L2, R2>): Promise<Either<L2, R2> | ILeft<L1>>;
export declare function pipeEither<T, L1, R1, L2, R2, L3, R3>(input: T, f1: AsyncFn<T, L1, R1>, f2: AsyncFn<R1, L2, R2>, f3: AsyncFn<R2, L3, R3>): Promise<Either<L3, R3> | ILeft<L1> | ILeft<L2>>;
export declare function pipeEither<T, L1, R1, L2, R2, L3, R3, L4, R4>(input: T, f1: AsyncFn<T, L1, R1>, f2: AsyncFn<R1, L2, R2>, f3: AsyncFn<R2, L3, R3>, f4: AsyncFn<R3, L4, R4>): Promise<Either<L4, R4> | ILeft<L1> | ILeft<L2> | ILeft<L3>>;
export {};