#include <Intf_SeqOfSectionPoint.hxx>
#include <Intf_SeqOfSectionLine.hxx>
#include <Intf_SeqOfTangentZone.hxx>
#include <Standard_Boolean.hxx>
#include <Standard_Real.hxx>
#include <Standard_Integer.hxx>
#include <Standard.hxx>
#include <Standard_Macro.hxx>