Agora RTC Objective-C API Reference Refactor

### - a -

- Aggressive : ILocalUser
- AUDIO_FILTER : IExtensionProvider
- AUDIO_FRAME_POSITION_BEFORE_MIXING : IAudioFrameObserverBase
- AUDIO_FRAME_POSITION_EAR_MONITORING : IAudioFrameObserverBase
- AUDIO_FRAME_POSITION_MIXED : IAudioFrameObserverBase
- AUDIO_FRAME_POSITION_NONE : IAudioFrameObserverBase
- AUDIO_FRAME_POSITION_PLAYBACK : IAudioFrameObserverBase
- AUDIO_FRAME_POSITION_RECORD : IAudioFrameObserverBase
- AUDIO_PCM_SOURCE_FILTER : IExtensionProvider
- AUDIO_PCM_SOURCE_LOCAL_PLAYBACK_FILTER : IExtensionProvider
- AUDIO_PCM_SOURCE_SENDING_FILTER : IExtensionProvider
- AUDIO_POST_PROCESSING_FILTER : IExtensionProvider
- AUDIO_RECORDING_LOCAL_PLAYBACK_FILTER : IExtensionProvider
- AUDIO_REMOTE_MIXED_PLAYBACK_FILTER : IExtensionProvider
- AUDIO_REMOTE_USER_PLAYBACK_FILTER : IExtensionProvider
- AUDIO_SINK : IExtensionProvider

### - b -

- BACKGROUND_BLUR : VirtualBackgroundSource
- BACKGROUND_COLOR : VirtualBackgroundSource
- BACKGROUND_IMG : VirtualBackgroundSource
- BACKGROUND_NONE : VirtualBackgroundSource
- BACKGROUND_VIDEO : VirtualBackgroundSource
- Balance : ILocalUser
- BLUR_DEGREE_HIGH : VirtualBackgroundSource
- BLUR_DEGREE_LOW : VirtualBackgroundSource
- BLUR_DEGREE_MEDIUM : VirtualBackgroundSource

### - c -

- CAMERA_BACK : ICameraCapturer
- CAMERA_EXTRA : ICameraCapturer
- CAMERA_FRONT : ICameraCapturer
- CAMERA_STARTED : ICameraCapturer
- CAMERA_STOPPED : ICameraCapturer

### - d -

- Decreasing : IRtmpLocalUser
- DEFAULT_METADATA_SIZE_IN_BYTE : IMetadataObserver

### - e -

- EGL_CONTEXT10 : ExternalVideoFrame
- EGL_CONTEXT14 : ExternalVideoFrame
- ElderNsStatistical : ILocalUser

### - f -

- FRAME_TYPE_PCM16 : IAudioFrameObserverBase

### - h -

- HighQuality : ILocalUser

### - i -

- Increasing : IRtmpLocalUser
- INVALID_METADATA_SIZE_IN_BYTE : IMetadataObserver

### - k -

- kAsync : IExtensionVideoFilter
- kBypass : IExtensionVideoFilter , ILipSyncFilter
- kDrop : IExtensionVideoFilter , ILipSyncFilter
- KEY_FACE_CAPTURE : IVideoFrameMetaInfo
- kPull : IScreenCaptureSource
- kPush : IScreenCaptureSource
- kSuccess : IExtensionVideoFilter , ILipSyncFilter
- kSync : IExtensionVideoFilter

### - l -

- LIGHTENING_CONTRAST_HIGH : BeautyOptions , IVideoBeautyFilter::BeautyOptions
- LIGHTENING_CONTRAST_LOW : BeautyOptions , IVideoBeautyFilter::BeautyOptions
- LIGHTENING_CONTRAST_NORMAL : BeautyOptions , IVideoBeautyFilter::BeautyOptions
- LOW_LIGHT_ENHANCE_AUTO : LowlightEnhanceOptions
- LOW_LIGHT_ENHANCE_LEVEL_FAST : LowlightEnhanceOptions
- LOW_LIGHT_ENHANCE_LEVEL_HIGH_QUALITY : LowlightEnhanceOptions
- LOW_LIGHT_ENHANCE_MANUAL : LowlightEnhanceOptions
- LowDelay : ILocalUser

### - m -

- MATRIXID_BT2020_CL : ColorSpace
- MATRIXID_BT2020_NCL : ColorSpace
- MATRIXID_BT2100_ICTCP : ColorSpace
- MATRIXID_BT470BG : ColorSpace
- MATRIXID_BT709 : ColorSpace
- MATRIXID_CDCLS : ColorSpace
- MATRIXID_CDNCLS : ColorSpace
- MATRIXID_FCC : ColorSpace
- MATRIXID_RGB : ColorSpace
- MATRIXID_SMPTE170M : ColorSpace
- MATRIXID_SMPTE2085 : ColorSpace
- MATRIXID_SMPTE240M : ColorSpace
- MATRIXID_UNSPECIFIED : ColorSpace
- MATRIXID_YCOCG : ColorSpace
- MAX_HANDLE_TIME_CNT : IAudioFrameObserverBase
- MAX_METADATA_SIZE_IN_BYTE : IMetadataObserver

### - n -

- None : IRtmpLocalUser
- NsNG : ILocalUser
- NsNGStatistical : ILocalUser

### - p -

- PcmSource : IAudioTrack
- PcmSourceLocalPlayback : IAudioTrack
- PcmSourceSending : IAudioTrack
- PostAudioProcessing : IAudioTrack
- PRIMARYID_BT2020 : ColorSpace
- PRIMARYID_BT470BG : ColorSpace
- PRIMARYID_BT470M : ColorSpace
- PRIMARYID_BT709 : ColorSpace
- PRIMARYID_FILM : ColorSpace
- PRIMARYID_JEDECP22 : ColorSpace
- PRIMARYID_SMPTE170M : ColorSpace
- PRIMARYID_SMPTE240M : ColorSpace
- PRIMARYID_SMPTEST428 : ColorSpace
- PRIMARYID_SMPTEST431 : ColorSpace
- PRIMARYID_SMPTEST432 : ColorSpace
- PRIMARYID_UNSPECIFIED : ColorSpace
- PROCESS_MODE_READ_ONLY : IVideoFrameObserver
- PROCESS_MODE_READ_WRITE : IVideoFrameObserver

### - r -

- RANGEID_DERIVED : ColorSpace
- RANGEID_FULL : ColorSpace
- RANGEID_INVALID : ColorSpace
- RANGEID_LIMITED : ColorSpace
- RecordingLocalPlayback : IAudioTrack
- RemoteMixedPlayback : IAudioTrack
- RemoteUserPlayback : IAudioTrack

### - s -

- SEG_MODEL_AI : SegmentationProperty
- SEG_MODEL_GREEN : SegmentationProperty
- Soft : ILocalUser

### - t -

- TRANSFERID_ARIB_STD_B67 : ColorSpace
- TRANSFERID_BT1361_ECG : ColorSpace
- TRANSFERID_BT2020_10 : ColorSpace
- TRANSFERID_BT2020_12 : ColorSpace
- TRANSFERID_BT709 : ColorSpace
- TRANSFERID_GAMMA22 : ColorSpace
- TRANSFERID_GAMMA28 : ColorSpace
- TRANSFERID_IEC61966_2_1 : ColorSpace
- TRANSFERID_IEC61966_2_4 : ColorSpace
- TRANSFERID_LINEAR : ColorSpace
- TRANSFERID_LOG : ColorSpace
- TRANSFERID_LOG_SQRT : ColorSpace
- TRANSFERID_SMPTE170M : ColorSpace
- TRANSFERID_SMPTE240M : ColorSpace
- TRANSFERID_SMPTEST2084 : ColorSpace
- TRANSFERID_SMPTEST428 : ColorSpace
- TRANSFERID_UNSPECIFIED : ColorSpace

### - u -

- UNKNOWN : IExtensionProvider
- UNKNOWN_METADATA : IMetadataObserver
- USER_MEDIA_INFO_ENABLE_LOCAL_VIDEO : ILocalUserObserver
- USER_MEDIA_INFO_ENABLE_VIDEO : ILocalUserObserver
- USER_MEDIA_INFO_MUTE_AUDIO : ILocalUserObserver
- USER_MEDIA_INFO_MUTE_VIDEO : ILocalUserObserver

### - v -

- VIDEO_BUFFER_ARRAY : ExternalVideoFrame
- VIDEO_BUFFER_RAW_DATA : ExternalVideoFrame
- VIDEO_BUFFER_TEXTURE : ExternalVideoFrame
- VIDEO_DENOISER_AUTO : VideoDenoiserOptions
- VIDEO_DENOISER_LEVEL_FAST : VideoDenoiserOptions
- VIDEO_DENOISER_LEVEL_HIGH_QUALITY : VideoDenoiserOptions
- VIDEO_DENOISER_LEVEL_STRENGTH : VideoDenoiserOptions
- VIDEO_DENOISER_MANUAL : VideoDenoiserOptions
- VIDEO_METADATA : IMetadataObserver
- VIDEO_POST_PROCESSING_FILTER : IExtensionProvider
- VIDEO_PRE_PROCESSING_FILTER : IExtensionProvider
- VIDEO_SINK : IExtensionProvider