import Future from './Future';
import Lock from './Lock';
export interface Transform<I, O> {
	(input: I): O | PromiseLike<O>;
}
export interface PipelineFn<I, O> extends Transform<I, O> {
	(input: I | PromiseLike<I>): Future<O>;
}
export interface Pipeline<I, O> extends PipelineFn<I, O> {
	pipe<T>(transform: Transform<O, T>, lock?: Lock): Pipeline<I, T>;
}
export declare function pipe<A, B, C>(
	this: Transform<A, B>,
	transform: Transform<B, C>,
	lock?: Lock
): Pipeline<A, C>;
export declare function Pipeline<I, O>(
	transform: Transform<I, O>,
	lock?: Lock
): Pipeline<I, O>;
export default Pipeline;