- i -

• isCameraExposurePositionSupported : <INERtcEngineEx>
• isCameraFocusSupported : <INERtcEngineEx>
• isCameraTorchOn : <INERtcEngineEx>
• isCameraTorchSupported : <INERtcEngineEx>
• isCameraZoomSupported : <INERtcEngineEx>
• isInvalid : NERtcCreateAudioMixingOption , NERtcLiveStreamTaskInfo