/**
 * Ported from https://github.com/mafintosh/end-of-stream with permission from the author,
 * Mathias Buus (@mafintosh).
 * @module
 */
import type { FinishedOptions } from 'node:stream';
export type FinishedCallback = (this: unknown, err?: Error | null) => void;
/**
 * Calls `callback` when `stream` is no longer readable, writable, or has errored.
 * Returns a function that detaches the listeners.
 */
export declare function eos(stream: unknown, callback: FinishedCallback): () => void;
export declare function eos(stream: unknown, options: FinishedOptions | null | undefined, callback: FinishedCallback): () => void;
export interface FinishedPromiseOptions extends FinishedOptions {
    /** Detach the listeners once the promise settles. */
    cleanup?: boolean;
}
/** Promise form of {@link eos}. */
export declare function finished(stream: unknown, opts?: FinishedPromiseOptions | null): Promise<void>;