/// <reference types="node" />
import { type Readable } from "stream";
import type M3U8Stream from "m3u8stream";
import { UndiciRequestOptions } from "./utils";
export interface GetReadableStreamOptions {
    begin?: number;
    end?: number;
    requestOptions?: UndiciRequestOptions;
    m3u8streamRequestOptions?: M3U8Stream.Options["requestOptions"];
}
/**
 * Returns a YouTube stream.
 *
 * - Install "m3u8stream" using `npm install m3u8stream` for livestream support.
 */
export declare const getReadableStream: (stream: {
    url: string;
    contentLength?: number | string;
}, options?: GetReadableStreamOptions) => Promise<Readable>;