@class NSString; @interface GKMacGameIconBrush : GKImageBrush <GKBrushIdentification> @property (nonatomic) struct CGSize { double width; double height; } outputSize; @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; - (struct CGSize { double x0; double x1; })sizeForInput:(id)a0; - (id)renderedImageIdentifier; @end