@interface SREMusicFeatureExtraction : NSObject - (id)init; - (BOOL)_handleSongEvent:(id)a0 context:(id)a1 numMusic:(unsigned long long)a2 outputSequence:(id)a3; - (id)retrieveNowPlayingHistoryWithLength:(unsigned long long)a0 error:(id *)a1; @end
@interface SREMusicFeatureExtraction : NSObject - (id)init; - (BOOL)_handleSongEvent:(id)a0 context:(id)a1 numMusic:(unsigned long long)a2 outputSequence:(id)a3; - (id)retrieveNowPlayingHistoryWithLength:(unsigned long long)a0 error:(id *)a1; @end