@class NSArray, PXLayoutPerformerOutput; @interface PXBaseLayoutPerformer : NSObject @property (nonatomic) struct { struct CGRect { struct CGPoint { double x; double y; } origin; struct CGSize { double width; double height; } size; } layoutRect; BOOL onlyCalculateSize; struct { long long contentSizeCategory; long long layoutDirection; long long layoutSizeClass; long long layoutOrientation; } layoutAttributes; } layoutInput; @property (retain, nonatomic) PXLayoutPerformerOutput *layoutOutput; @property (readonly, nonatomic) NSArray *children; + (struct CGSize { double x0; double x1; })performLayoutWithLayoutInput:(struct { struct CGRect { struct CGPoint { double x0; double x1; } x0; struct CGSize { double x0; double x1; } x1; } x0; BOOL x1; struct { long long x0; long long x1; long long x2; long long x3; } x2; })a0 layoutOutput:(id)a1 usingBlock:(id /* block */)a2; - (void)prepareForReuse; - (struct CGSize { double x0; double x1; })performLayout; - (void).cxx_destruct; @end