@interface AEGridOverlayLayoutInfo : NSObject <AETileLayoutInfo> @property (readonly, nonatomic) struct CGSize { double width; double height; } _gradientImageSize; - (id)initWithGradientImageSize:(struct CGSize { double x0; double x1; })a0; - (struct CGSize { double x0; double x1; })tileSystemLayoutSizeFittingSize:(struct CGSize { double x0; double x1; })a0; @end