Agora RTC Objective-C API Reference Refactor

<AgoraExtProviderDelegate> Protocol Reference

Inherits <NSObject>.

## Method Documentation

## ◆ getExtenionMetaInfoList

- (NSArray<AgoraExtensionMetaInfo*> * __nonnull) getExtenionMetaInfoList |  |  |

## ◆ setExtensionControl:

- (void) setExtensionControl: |  | (id< AgoraExtControlDelegate > __nullable) | control |

## ◆ createAudioFilter

- (id<AgoraAudioFilterDelegate> __nullable) createAudioFilter |  |  |

## ◆ createVideoFilter

- (id<AgoraVideoFilterDelegate> __nullable) createVideoFilter |  |  |

## ◆ createVideoSink

- (id<AgoraVideoSinkDelegate> __nullable) createVideoSink |  |  |