@class NSString, NSArray, AVVideoCompositionCoreAnimationTool;
@interface AVVideoCompositionInternal : NSObject {
unsigned long long changeSeed;
NSString *builtInCompositorName;
Class customCompositorClass;
struct { long long value; int timescale; unsigned int flags; long long epoch; } frameDuration;
int sourceTrackIDForFrameTiming;
struct CGSize { double width; double height; } renderSize;
float renderScale;
NSString *colorPrimaries;
NSString *colorYCbCrMatrix;
NSString *colorTransferFunction;
NSString *perFrameHDRDisplayMetadataPolicy;
NSArray *instructions;
BOOL auxiliaryTrackLayerSetLast;
AVVideoCompositionCoreAnimationTool *animationTool;
NSArray *sourceSampleDataTracks;
}
@end