import { VideoStream } from "./videoInfo";
import { UndiciRequestOptions } from "./utils";
export interface ExtractStreamInfoOptions {
    requestOptions?: UndiciRequestOptions;
}
/**
 * Get only stream information about a YouTube video.
 *
 * Note: This might break often.
 */
export declare const extractStreamInfo: (url: string, options?: ExtractStreamInfoOptions) => Promise<VideoStream>;
export declare const prepareStreamInfo: (data: string, stream: VideoStream) => void;
export default extractStreamInfo;