@class NSString, NSArray; @interface AVSerializedMostlySynchronousReentrantBlockScheduler : NSObject <AVBlockScheduler> { struct OpaqueFigSimpleMutex { } *_ivarAccessLock; NSArray *_blocks; struct OpaqueFigReentrantMutex { } *_blockSerializationLock; } @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; + (void)initialize; - (id)init; - (void)dealloc; - (void)scheduleBlock:(id /* block */)a0; @end