@class UIImage, NSObject; @protocol OS_dispatch_queue; @interface SUUIOffscreenRenderOperation : NSOperation { NSObject *_accessQueue; id /* block */ _createLayerBlock; UIImage *_outputImage; } @property (copy, nonatomic) id /* block */ createLayerBlock; @property (readonly, nonatomic) UIImage *outputImage; + (void)preheatOffscreenRenderOperations; - (id)init; - (void)main; - (void).cxx_destruct; @end