#include <Standard_Real.hxx>
#include <Standard_Boolean.hxx>
#include <IntSurf_Transition.hxx>
+#include <Adaptor2d_HCurve2d.hxx>
+
class Adaptor3d_HVertex;
-class Adaptor2d_HCurve2d;
class Standard_DomainError;
class gp_Pnt;
class IntSurf_Transition;