System/Library/AccessibilityBundles/MusicApplication.axbundle

__VocalsAttenuationSliderAccessibility_super.h

Download __VocalsAttenuationSliderAccessibility_super.h

1. NSObject
2. >
3. UIAccessibilitySafeCategory

@interface __VocalsAttenuationSliderAccessibility_super : UIAccessibilitySafeCategory

@end