@class NSDictionary, NSString; @interface PTAssetReaderCustomCompositor : NSObject <AVVideoCompositing> @property (readonly, nonatomic) NSDictionary *sourcePixelBufferAttributes; @property (readonly, nonatomic) NSDictionary *requiredPixelBufferAttributesForRenderContext; @property (readonly, nonatomic) BOOL supportsWideColorSourceFrames; @property (readonly, nonatomic) BOOL supportsHDRSourceFrames; @property (readonly, nonatomic) BOOL canConformColorOfSourceFrames; @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; - (void)renderContextChanged:(id)a0; - (void)startVideoCompositionRequest:(id)a0; @end