#include <Approx_SweepApproximation.hxx>
#include <AppBlend_Approx.hxx>
#include <Handle_Approx_SweepFunction.hxx>
#include <Standard_Real.hxx>
#include <GeomAbs_Shape.hxx>
#include <Standard_Integer.hxx>
#include <Standard_Boolean.hxx>
#include <Standard_OStream.hxx>
#include <Standard.hxx>
#include <Standard_Macro.hxx>
#include <BRepBlend_AppSurface.lxx>