@interface PXGStackedSublayoutComposition : PXGSublayoutComposition @property (nonatomic) long long axis; @property (nonatomic) double interlayoutSpacing; @property (nonatomic) struct UIEdgeInsets { double top; double left; double bottom; double right; } padding; - (id)init; - (struct CGRect { struct CGPoint { double x0; double x1; } x0; struct CGSize { double x0; double x1; } x1; })contentBounds; - (void)referenceSizeDidChange; - (void)updateEstimatedSublayoutGeometries; - (void)updateSublayoutGeometriesFromAnchorSublayoutIndex:(long long)a0 usingSublayoutUpdateBlock:(id /* block */)a1; @end