@interface CICheapMorphology : CIMorphology + (id)customAttributes; - (struct CGRect { struct CGPoint { double x0; double x1; } x0; struct CGSize { double x0; double x1; } x1; })regionOf:(id)a0 destRect:(struct CGRect { struct CGPoint { double x0; double x1; } x0; struct CGSize { double x0; double x1; } x1; })a1 Offset:(float)a2; - (id)outputImage; @end