@class NSString, AVPublisher; @protocol AVCancellable; @interface AVSinkSubscriber : NSObject <AVCancellable> { AVPublisher *_publisher; id /* block */ _sink; id<AVCancellable> _token; struct OpaqueFigSimpleMutex { } *_cancelMutex; } @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; @end