@class NSString, UIWindowScene; @protocol AVVolumeHUDAssertionDelegate; @interface AVVolumeHUDAssertion : NSObject <MPVolumeDisplaying> @property (weak, nonatomic) id<AVVolumeHUDAssertionDelegate> delegate; @property (readonly, nonatomic) NSString *clientIdentifier; @property (readonly, nonatomic) NSString *sceneIdentifier; @property (nonatomic) BOOL prefersSystemVolumeHUDHidden; @property (readonly, nonatomic) UIWindowScene *windowSceneForVolumeDisplay; @property (readonly, nonatomic, getter=isOnScreenForVolumeDisplay) BOOL onScreenForVolumeDisplay; @property (readonly, nonatomic) NSString *volumeAudioCategory; @property (readonly, nonatomic, getter=isOnScreen) BOOL onScreen; @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; @end