@class AVOutputContext, AVOutputDevice; @protocol MRUOutputContextControllerDelegate; @interface MRUOutputContextController : NSObject { AVOutputContext *_outputContext; long long _outputContextType; struct os_unfair_lock_s { unsigned int _os_unfair_lock_opaque; } _lock; } @property (weak, nonatomic) id<MRUOutputContextControllerDelegate> delegate; @property (readonly, nonatomic) AVOutputContext *outputContext; @property (readonly, nonatomic) AVOutputDevice *outputDevice; - (void)setOutputContext:(id)a0; - (void)mediaServicesWereLostNotification:(id)a0; - (void)registerNotificationsForOutputContext:(id)a0; - (id)associatedOutputContext; - (void)_setOutputDevice:(id)a0 context:(id)a1 completion:(id /* block */)a2; - (void)initializeOutputContextWithCompletion:(id /* block */)a0; - (void)mediaServicesWereResetNotification:(id)a0; - (void)setOutputDevice:(id)a0 completion:(id /* block */)a1; - (void).cxx_destruct; - (void)unregisterNotificationsForOutputContext:(id)a0; - (id)initWithOutputContextType:(long long)a0; - (void)outputDeviceChangedNotification:(id)a0; @end