@class NSString, NSURL, SVXUserFeedbackAudioContent; @interface _SVXUserFeedbackAudioContentMutation : NSObject <SVXUserFeedbackAudioContentMutating> { SVXUserFeedbackAudioContent *_baseModel; NSURL *_itemURL; unsigned long long _numberOfLoops; double _fadeInDuration; double _fadeOutDuration; struct _mutationFlags { unsigned char isDirty : 1; unsigned char hasItemURL : 1; unsigned char hasNumberOfLoops : 1; unsigned char hasFadeInDuration : 1; unsigned char hasFadeOutDuration : 1; } _mutationFlags; } @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; - (id)init; - (void)setItemURL:(id)a0; - (void)setFadeOutDuration:(double)a0; - (id)generate; - (void).cxx_destruct; - (void)setFadeInDuration:(double)a0; - (void)setNumberOfLoops:(unsigned long long)a0; - (id)initWithBaseModel:(id)a0; @end