static Future<TRTCMeeting> sharedInstance();

static void destroySharedInstance();

void registerListener(MeetingListenerFunc func);

void unRegisterListener(MeetingListenerFunc func);

Future<ActionCallback> login(int sdkAppId, String userId, String userSig);

Future<ActionCallback> logout();

Future<ActionCallback> setSelfProfile(String userName, String avatarURL);

Future<ActionCallback> createMeeting(int roomId);

Future<ActionCallback> destroyMeeting(int roomId);

Future<ActionCallback> enterMeeting(int roomId);

Future<ActionCallback> leaveMeeting();

Future<UserListCallback> getUserInfoList(List<String> userIdList);

Future<UserListCallback> getUserInfo(String userId);

Future<void> startRemoteView(String userId, int streamType, int viewId);

Future<void> stopRemoteView(String userId, int streamType);

Future<void> setRemoteViewParam(String userId, int streamType,
  {int fillMode, int rotation, int mirrorType});

Future<void> muteRemoteAudio(String userId, bool mute);

Future<void> muteAllRemoteAudio(bool mute);

Future<void> muteRemoteVideoStream(String userId, bool mute);

Future<void> muteAllRemoteVideoStream(bool mute);

Future<void> startCameraPreview(bool isFront, int viewId);

Future<void> stopCameraPreview();

Future<void> switchCamera(bool isFront);

Future<void> setVideoEncoderParam({
  int videoFps,
  int videoBitrate,
  int videoResolution,
  int videoResolutionMode,
});

Future<void> setLocalViewMirror(bool isMirror);

Future<void> startMicrophone({int quality});

Future<void> stopMicrophone();

Future<void> muteLocalAudio(bool mute);

Future<void> setSpeaker(bool useSpeaker);

Future<void> setAudioCaptureVolume(int volume);

Future<void> setAudioPlayoutVolume(int volume);

Future<int?> startAudioRecording(String filePath);

Future<void> stopAudioRecording();

Future<void> enableAudioVolumeEvaluation(int intervalMs);

Future<void> startScreenCapture({
  int videoFps,
  int videoBitrate,
  int videoResolution,
  int videoResolutionMode,
  String appGroup,
});

Future<void> stopScreenCapture();

Future<void> pauseScreenCapture();

Future<void> resumeScreenCapture();

getDeviceManager();

getBeautyManager();

Future<ActionCallback> sendRoomTextMsg(String message);

Future<ActionCallback> sendRoomCustomMsg(String cmd, String message);