text: /* Generated by RuntimeBrowser
     Image: /System/Library/Frameworks/AVFoundation.framework/AVFoundation
   */
  
  @interface AVAssetWriterUnknownHelper : AVAssetWriterHelper {
      short  _alternateGroupID;
  }
  
  - (bool)_canAddInput:(id)arg1 exceptionReason:(id*)arg2;
  - (bool)_canAddInputGroup:(id)arg1 exceptionReason:(id*)arg2;
  - (void)addInput:(id)arg1;
  - (void)addInputGroup:(id)arg1;
  - (bool)canAddInput:(id)arg1;
  - (bool)canAddInputGroup:(id)arg1;
  - (void)cancelWriting;
  - (id)initWithConfigurationState:(id)arg1;
  - (id)initWithURL:(id)arg1 fileType:(id)arg2;
  - (void)setDirectoryForTemporaryFiles:(id)arg1;
  - (void)setMetadata:(id)arg1;
  - (void)setMovieFragmentInterval:(struct { long long x1; int x2; unsigned int x3; long long x4; })arg1;
  - (void)setMovieTimeScale:(int)arg1;
  - (void)setOverallDurationHint:(struct { long long x1; int x2; unsigned int x3; long long x4; })arg1;
  - (void)setPreferredRate:(float)arg1;
  - (void)setPreferredTransform:(struct CGAffineTransform { double x1; double x2; double x3; double x4; double x5; double x6; })arg1;
  - (void)setPreferredVolume:(float)arg1;
  - (void)setShouldOptimizeForNetworkUse:(bool)arg1;
  - (void)startWriting;
  - (long long)status;
  
  @end
  