import { ILocalAudioTrack, ILocalVideoTrack } from 'agora-rtc-sdk-ng';
import { AgoraRtcDeviceInfo, AgoraRtcScreenCaptureParams, AgoraRtcCameraPosition, AgoraRtcAudioRawDataConfig, AgoraRtcAiDenoiseLevel, AgoraRtcCameraCaptureParams } from '../../../core/rtc/type';
import { AgoraDeviceManagerObserver, AgoraRtcLocalTrackEventsObserver, AgoraWebRtcExtensionDelegate } from './type';
import { AgoraRteBeautyOptions, AgoraRteVirtualBackgroundOptions } from '../../../core/media/type';
import { AgoraRtcVideoCanvas } from '../../../core/rtc';
import { AgoraObservable } from 'agora-foundation/lib/utilities/observable';
import { AgoraRtcDualVideoStreamConfig } from '../electron/type';
export declare class AgoraRtcDeviceManager {
    private _extensionDelegate;
    private _dualCameraVideoStreamConfig;
    private _dualScreenVideoStreamConfig;
    constructor(_extensionDelegate: AgoraWebRtcExtensionDelegate, _dualCameraVideoStreamConfig: AgoraRtcDualVideoStreamConfig, _dualScreenVideoStreamConfig: AgoraRtcDualVideoStreamConfig);
    get keepRecording(): boolean;
    setKeepAudioRecording(keepRecording: boolean): void;
    getCameraVideoTracksMap(): Map<string, ILocalVideoTrack>;
    getScreenVideoTracksMap(): Map<string, ILocalVideoTrack>;
    getMicrophoneAudioTracksMap(): Map<string, ILocalAudioTrack>;
    getScreenAudioTracksMap(): Map<string, ILocalAudioTrack>;
    getVideoDeviceStateMap(): Map<string, {
        started: boolean;
    }>;
    getAudioDeviceStateMap(): Map<string, {
        started: boolean;
    }>;
    get speakerId(): string | undefined;
    get outputVolume(): number | undefined;
    get deviceManagerObservable(): AgoraObservable<AgoraDeviceManagerObserver>;
    get localTrackObservable(): AgoraObservable<AgoraRtcLocalTrackEventsObserver>;
    release(): void;
    setBeautyOptions(deviceId: string, options: AgoraRteBeautyOptions): number;
    enableBeauty(deviceId: string): number;
    disableBeauty(deviceId: string): number;
    setVirtualBackgroundOptions(deviceId: string, options: AgoraRteVirtualBackgroundOptions): number;
    enableVirtualBackground(deviceId: string): number;
    disableVirtualBackground(deviceId: string): number;
    enableAiDenoiser(deviceId: string): number;
    disableAiDenoiser(deviceId: string): number;
    setAiDenoiseLevel(deviceId: string, level: AgoraRtcAiDenoiseLevel): number;
    getCameraList(): Promise<AgoraRtcDeviceInfo[]>;
    getMicrophoneList(): Promise<AgoraRtcDeviceInfo[]>;
    getSpeakerList(): Promise<AgoraRtcDeviceInfo[]>;
    getSystemSelectedMicrophone(): Promise<AgoraRtcDeviceInfo | undefined>;
    getSystemSelectedSpeaker(): Promise<AgoraRtcDeviceInfo | undefined>;
    startCamera(deviceId: string): void;
    stopCamera(deviceId: string): void;
    startCameraTest(deviceId: string): void;
    stopCameraTest(deviceId: string): void;
    setCameraCaptureParams(deviceId: string, config: AgoraRtcCameraCaptureParams): void;
    switchCamera(): void;
    getCameraPosition(): AgoraRtcCameraPosition;
    setMicrophoneVolumeInterval(deviceId: string, interval: number): void;
    startMicrophone(deviceId: string): void;
    stopMicrophone(deviceId: string): void;
    startMicrophoneTest(deviceId: string): void;
    stopMicrophoneTest(deviceId: string): void;
    startScreenCapture(sourceId: string, params: AgoraRtcScreenCaptureParams): void;
    stopScreenCapture(): void;
    startRenderCameraVideo(deviceId: string, canvas: AgoraRtcVideoCanvas): void;
    stopRenderCameraVideo(deviceId: string, canvas: AgoraRtcVideoCanvas): void;
    startRenderScreenVideo(sourceId: string, canvas: AgoraRtcVideoCanvas): void;
    stopRenderScreenVideo(sourceId: string, canvas: AgoraRtcVideoCanvas): void;
    takeScreenSnapshot(deviceId: string): ImageData;
    takeCameraSnapshot(deviceId: string): ImageData;
    enableVolumeIndicator(deviceId: string): void;
    disableVolumeIndicator(deviceId: string): void;
    setAudioInputRawDataConfig(deviceId: string, config: AgoraRtcAudioRawDataConfig): void;
    enableAudioInputRawDataObserver(deviceId: string): void;
    disableAudioInputRawDataObserver(deviceId: string): void;
    adjustMicrophoneVolume(deviceId: string, volume: number): void;
    adjustLoopbackVolume(sourceId: string, volume: number): void;
    adjustOutputVolume(volume: number): void;
    selectSpeaker(speakerId: string): void;
    addObserver(observer: AgoraDeviceManagerObserver): void;
    removeObserver(observer: AgoraDeviceManagerObserver): void;
    private _getCameraControl;
    private _getMicrophoneControl;
    private _getScreenControl;
    private _handleCameraChanged;
    private _handleMicChanged;
    private _handleSpeakerChanged;
}