import { IEnabledCapture } from '../../type/index';
import { default as ContentTrack } from './contentTrack';
declare class ContentCapture {
    private enabledCapture;
    private track;
    private logger;
    constructor(track: ContentTrack);
    getEnableCapture(): IEnabledCapture;
    setEnableCapture(config: IEnabledCapture): void;
    /**
     * 初始化采集配置
     *
     * @param {  boolean } muteAudio - 是否静音麦克风，true为静音麦克风，false是开启麦克风
     * @param {  boolean } muteVideo - 是否静音摄像头，true为关闭摄像头，false是开启摄像头
     */
    initCaptureConfig(muteAudio: boolean, muteVideo: boolean): void;
    /**
     * 根据可用的流配置，采集共享视频流
     *
     * @returns { Promise<MediaStream | IReturnResult> }
     */
    createContentMediaStream(): Promise<MediaStream>;
    /**
     * 采集桌面/应用流
     *
     * @param { MediaStreamConstraints | XYMediaStreamConstraints } constraints - 流约束配置
     * @returns { MediaStream } - Content Stream
     */
    private getDisplayMediaStream;
    /**
     * 重新创建Content流
     *
     * @param { IReturnResult } error - 错误信息
     * @returns { Promise<MediaStream> }
     */
    private reCreateContentMediaStream;
    /**
     * 获取约束设置
     *
     * @param { IStreamConfig } enableStreamConfig - 流配置
     * @returns
     */
    private getContentConstraints;
    /**
     * 获取Content视频约束配置
     *
     * @param { IStreamConfig } videoConfig - 视频流配置
     * @returns { any }
     */
    private getVideoConstraints;
    /**
     * 获取Content音频约束配置
     *
     * @param { IStreamConfig } audioConfig - 音频流配置
     * @returns { any }
     */
    private getAudioConstraints;
}
export default ContentCapture;