@class AVWeakReferencingDelegateStorage, AVWeakReference, NSObject;
@protocol OS_dispatch_queue;
@interface AVSampleBufferVideoOutputInternal : NSObject {
AVWeakReference *weakReference;
struct OpaqueFigVisualContext { } *vc;
struct OpaqueVTPixelBufferConformer { } *pixelBufferConformer;
NSObject<OS_dispatch_queue> *stateQueue;
AVWeakReferencingDelegateStorage *delegateStorage;
struct { long long value; int timescale; unsigned int flags; long long epoch; } lastImageTime;
}
@end