@class NSMutableArray, NSObject; @protocol OS_dispatch_queue; @interface VCVideoRelay : NSObject { NSMutableArray *_videoCaptureSinks; NSObject<OS_dispatch_queue> *_dispatchQueue; } + (id)sharedInstance; - (id)init; - (void)dealloc; - (BOOL)deregisterForVideoFrames:(id)a0; - (BOOL)enqueueFrame:(struct __CVBuffer { } *)a0 atTime:(struct { long long x0; int x1; unsigned int x2; long long x3; })a1 cameraStatusBits:(unsigned char)a2; - (BOOL)registerForVideoFrames:(id)a0; @end