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
- width : VideoFrame , EncodedVideoFrameInfo , ImagePayloadData , InjectStreamConfig , LiveTranscoding , LocalVideoTrackStats , MixerLayoutConfig , PublisherConfiguration , Rectangle , RemoteVideoStats , RemoteVideoTrackStats , RtcImage , RtmpStreamingVideoConfiguration , TranscodingUser , TranscodingVideoStream , VideoCompositingLayout::Region , VideoDimensions , VideoFormat , VideoFrameData , AgoraEncodedVideoFrameInfo , AgoraExtVideoFrame , AgoraFacePositionInfo , AgoraOutputVideoFrame , AgoraRtcRemoteVideoStats , AgoraVideoFilterFrame
- widthRatio : WatermarkRatio
- windowFocus : ScreenCaptureParameters , AgoraScreenCaptureParameters
- windowId : ScreenCaptureConfiguration
- writeLog() : ILogWriter , IRtcEngine
- writeLog:content: : AgoraRtcEngineKit