import { FFmpegDownloader } from "./FFmpegDownloader.js";
import { mesioDownloader } from "./mesioDownloader.js";
import { BililiveDownloader } from "./BililiveDownloader.js";
export { FFmpegDownloader } from "./FFmpegDownloader.js";
export { mesioDownloader } from "./mesioDownloader.js";
export { BililiveDownloader } from "./BililiveDownloader.js";
import type { IDownloader, FFMPEGRecorderOptions, MesioRecorderOptions, BililiveRecorderOptions } from "./IDownloader.js";
/**
 * 录制器类型
 */
export type DownloaderType = "ffmpeg" | "mesio" | "bililive";
export type FormatName = "flv" | "ts" | "fmp4";
/**
 * 根据录制器类型获取对应的配置选项类型
 */
export type RecorderOptions<T extends DownloaderType> = T extends "ffmpeg" ? FFMPEGRecorderOptions : T extends "mesio" ? MesioRecorderOptions : BililiveRecorderOptions;
/**
 * 根据录制器类型获取对应的录制器实例类型
 */
export type RecorderInstance<T extends DownloaderType> = T extends "ffmpeg" ? FFmpegDownloader : T extends "mesio" ? mesioDownloader : BililiveDownloader;
type RecorderOpts = FFMPEGRecorderOptions | MesioRecorderOptions | BililiveRecorderOptions;
export declare const DEFAULT_USER_AGENT = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/73.0.3683.86 Safari/537.36";
/**
 * 创建录制器的工厂函数
 */
export declare function createBaseDownloader<T extends DownloaderType>(type: T, opts: RecorderOptions<T> & {
    onlyAudio?: boolean;
}, onEnd: (...args: unknown[]) => void, onUpdateLiveInfo: () => Promise<{
    title?: string;
    cover?: string;
}>): IDownloader;
/**
 * 选择录制器
 */
export declare function selectRecorder(preferredRecorder: "auto" | DownloaderType | undefined): DownloaderType;
/**
 * 判断原始录制流格式，flv, ts, m4s
 */
export declare function getSourceFormatName(streamUrl: string, formatName: FormatName | undefined): FormatName;
type PickPartial<T, K extends keyof T> = Pick<T, Exclude<keyof T, K>> & Partial<Pick<T, K>>;
/**
 * 创建录制器的工厂函数
 */
export declare function createDownloader(type: "auto" | DownloaderType | undefined, opts: PickPartial<RecorderOpts, "formatName"> & {
    onlyAudio?: boolean;
}, onEnd: (...args: unknown[]) => void, onUpdateLiveInfo: () => Promise<{
    title?: string;
    cover?: string;
}>): IDownloader;