453     off(type: 'cameraStatus', callback?: AsyncCallback<CameraStatusInfo>): void;  method
475     off(type: 'cameraMute', callback?: AsyncCallback<boolean>): void;  method
891     off(type: 'error', camera: CameraDevice, callback?: ErrorCallback): void;  method
1654     off(type: 'focusStateChange', callback?: AsyncCallback<FocusState>): void;  method
1674     off(type: 'error', callback?: ErrorCallback): void;  method
1998     off(type: 'frameStart', callback?: AsyncCallback<void>): void;  method
2018     off(type: 'frameEnd', callback?: AsyncCallback<void>): void;  method
2038     off(type: 'error', callback?: ErrorCallback): void;  method
2290     off(type: 'captureStart', callback?: AsyncCallback<number>): void;  method
2310     off(type: 'frameShutter', callback?: AsyncCallback<FrameShutterInfo>): void;  method
2330     off(type: 'captureEnd', callback?: AsyncCallback<CaptureEndInfo>): void;  method
2350     off(type: 'error', callback?: ErrorCallback): void;  method
2400     off(type: 'quickThumbnail', callback?: AsyncCallback<image.PixelMap>): void;  method
2521     off(type: 'frameStart', callback?: AsyncCallback<void>): void;  method
2541     off(type: 'frameEnd', callback?: AsyncCallback<void>): void;  method
2561     off(type: 'error', callback?: ErrorCallback): void;  method
2720     off(type: 'metadataObjectsAvailable', callback?: AsyncCallback<Array<MetadataObject>>): void;  method
2740     off(type: 'error', callback?: ErrorCallback): void;  method