@class AVObservationController, AVPlayerController, NSString; @interface AVPlayerVolumeController : NSObject <AVVolumeController> @property (nonatomic, getter=isChangingVolume) BOOL changingVolume; @property (retain, nonatomic) AVObservationController *keyValueObservationController; @property (retain, nonatomic) AVPlayerController *playerController; @property (readonly, nonatomic) float volume; @property (nonatomic) BOOL prefersSystemVolumeHUDHidden; @property (readonly, nonatomic) BOOL currentRouteHasVolumeControl; @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; + (id)volumeController; - (id)init; - (void)dealloc; - (void)endChangingVolume; - (void)setClientWithIdentifier:(id)a0 forWindowSceneSessionWithIdentifier:(id)a1; - (void).cxx_destruct; - (void)beginChangingVolume; - (void)setTargetVolume:(float)a0; @end