[Bug]: AgoraVideoFrameDelegate methods are marked as Required when they are all optional

[motiapp]

Platform

iOS

Platform details

No response

Product

Video Calling

Product details

Business Case

It's confusing when trying to debug problems.

Subject Matter Expert

No response

Documentation Link

https://api-ref.agora.io/en/video-sdk/ios/4.x/documentation/agorartckit/agoravideoframedelegate

Scope

No response

Acceptance Criteria

All of the delegate methods are marked as optional in their implementation, yet the docs say Required below the descriptions.

Additional Information

No response