@class AVDispatchOnce, AVAssetInspectorLoader, NSDictionary, AVAssetInspector, NSMutableArray;
@interface AVCompositionInternal : NSObject {
struct OpaqueFigMutableComposition { } *mutableComposition;
AVDispatchOnce *formatReaderInitializationOnce;
AVDispatchOnce *assetInspectorInitializationOnce;
AVDispatchOnce *tracksInitializationOnce;
struct OpaqueFigFormatReader { } *formatReader;
AVAssetInspectorLoader *assetInspectorLoader;
AVAssetInspector *assetInspector;
struct CGSize { double width; double height; } naturalSize;
NSDictionary *URLAssetInitializationOptions;
NSMutableArray *tracks;
AVDispatchOnce *figAssetInitializationOnce;
struct OpaqueFigAsset { } *figAsset;
}
@end