text: //
  //     Generated by class-dump 3.5 (64 bit) (Debug version compiled Mar 11 2021 20:53:35).
  //
  //  Copyright (C) 1997-2019 Steve Nygard.
  //
  
  #import <objc/NSObject.h>
  
  __attribute__((visibility("hidden")))
  @interface FFAudioSyncHelper : NSObject
  {
  }
  
  + (struct FFAudioSyncHelperResults)synchronizeItem:(id)arg1 referenceItem:(id)arg2 offsetToRefItem:(CDStruct_1b6d18a9)arg3 syncDuration:(CDStruct_1b6d18a9)arg4 cachedUtilB:(id *)arg5;
  + (struct FFAudioSyncHelperResults)synchronizeItem:(id)arg1 itemRange:(CDStruct_e83c9415)arg2 referenceItem:(id)arg3 referenceItemRange:(CDStruct_e83c9415)arg4 usePeaks:(BOOL)arg5 cachedUtilB:(id *)arg6 writeDataToDisk:(BOOL)arg7;
  + (struct FFAudioSyncHelperResults)synchronizeItemUsingPeaks:(id)arg1 refItem:(id)arg2 onTask:(id)arg3;
  + (struct FFAudioSyncHelperResults)defaultResults;
  + (struct FFAudioSyncHelperResults)xCorrPeaksCompareItem:(id)arg1 itemRange:(CDStruct_e83c9415)arg2 toRefItem:(id)arg3 refItemRange:(CDStruct_e83c9415)arg4;
  + (struct FFAudioSyncHelperResults)xCorrCompareItem:(id)arg1 toRefItem:(id)arg2 offsetToRefItem:(CDStruct_1b6d18a9)arg3 syncDuration:(CDStruct_1b6d18a9)arg4 downSampleRate:(int)arg5 cachedUtilB:(id *)arg6;
  + (struct FFAudioSyncHelperResults)xCorrCompareItem:(id)arg1 itemRange:(CDStruct_e83c9415)arg2 toRefItem:(id)arg3 refItemRange:(CDStruct_e83c9415)arg4 downSampleRate:(int)arg5 cachedUtilB:(id *)arg6;
  + (struct FFAudioSyncHelperResults)xCorrCalculateUsingPeakData:(id)arg1 sampleRateA:(double)arg2 peaksDataB:(id)arg3 sampleRateB:(double)arg4;
  + (float)getPeaksDataRMS:(id)arg1;
  + (id)getPeaksData:(id)arg1 samplesPerPeak:(float)arg2 synchronously:(_Bool)arg3 onTask:(id)arg4;
  
  @end
  
  