Agora RTC Objective-C API Reference Refactor

Here is a list of all struct and union fields with links to the structures/unions they belong to:

### - w -

- watermark : LiveTranscoding
- watermarkCount : LiveTranscoding
- WatermarkOptions() : WatermarkOptions
- watermarkRatio : WatermarkOptions
- WatermarkRatio() : WatermarkRatio
- whereNow:completion: : AgoraRtmPresence
- whitePointX : Hdr10MetadataInfo
- whitePointY : Hdr10MetadataInfo
- whoNow:channelType:options:completion: : AgoraRtmPresence
- width : VideoFrame , MediaRecorderConfiguration , EncodedVideoFrameInfo , ImagePayloadData , InjectStreamConfig , LiveTranscoding , LocalVideoTrackStats , MixerLayoutConfig , PublisherConfiguration , Rectangle , RemoteVideoStats , RemoteVideoTrackStats , RtcImage , RtmpStreamingVideoConfiguration , SimulcastStreamProfile , TranscodingUser , TranscodingVideoStream , VideoCompositingLayout::Region , VideoDimensions , VideoFormat , VideoFrameData , VideoLayout , AgoraEncodedVideoFrameInfo , AgoraExtVideoFrame , AgoraFacePositionInfo , AgoraMediaRecorderConfiguration , AgoraMetaSceneDisplayConfig , AgoraOutputVideoFrame , AgoraRtcRemoteVideoStats , AgoraVideoFilterFrame , AgoraVideoLayout , AgoraVideoLayoutInfo
- widthRatio : WatermarkRatio
- wifiRxBytes : MultipathStats , AgoraMultipathStats
- wifiTxBytes : MultipathStats , AgoraMultipathStats
- windowFocus : ScreenCaptureParameters , AgoraScreenCaptureParameters
- windowId : ScreenCaptureConfiguration
- writeLog() : ILogWriter , IRtcEngine
- writeLog:content: : AgoraRtcEngineKit