import type { EventKey, Listener } from './events.js';
import { EventEmitter } from './events.js';
/** The minimum a `pipe()` destination has to provide. */
export interface PipeDestination {
    writable?: boolean;
    write(chunk: any): boolean;
    end(): unknown;
    destroy?(error?: Error): unknown;
    on(event: string, listener: Listener): unknown;
    removeListener(event: string, listener: Listener): unknown;
    emit(event: string, ...args: any[]): unknown;
    prependListener?(event: string, listener: Listener): unknown;
    listenerCount?(event: string): number;
    _isStdio?: boolean;
}
/** Adds `listener` ahead of the existing ones, falling back to `on` for emitters that cannot prepend. */
export declare function prependListener(emitter: PipeDestination | EventEmitter, event: EventKey, listener: Listener): void;
/**
 * The base of every stream class, providing only the pre-`Readable` `pipe()`.
 * `Readable` overrides `pipe()` with the back-pressure aware implementation.
 */
export declare class Stream extends EventEmitter {
    pipe<T extends PipeDestination>(dest: T, options?: {
        end?: boolean;
    }): T;
}