@class NSString; @interface WebQueuedVideoOutputDelegate : NSObject { struct WeakPtr { struct RefPtr, WTF::DefaultRefDerefTraits> { struct DefaultWeakPtrImpl *m_ptr; } m_impl; } _parent; } @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; - (id).cxx_construct; - (void)observeValueForKeyPath:(id)a0 ofObject:(id)a1 change:(id)a2 context:(void *)a3; - (void).cxx_destruct; - (id)initWithParent:(void *)a0; - (void)outputMediaDataWillChange:(id)a0; - (void)outputSequenceWasFlushed:(id)a0; @end