@interface AVVideoCompositionRenderHintInternal : NSObject {
struct { long long value; int timescale; unsigned int flags; long long epoch; } _startCompositionTime;
struct { long long value; int timescale; unsigned int flags; long long epoch; } _endCompositionTime;
struct { long long value; int timescale; unsigned int flags; long long epoch; } _subsequentStartCompositionTime;
struct { long long value; int timescale; unsigned int flags; long long epoch; } _subsequentEndCompositionTime;
}
@end