-#ifndef _Standard_HeaderFile
-#include <Standard.hxx>
-#endif
-#ifndef _Handle_SMDS_MeshGroup_HeaderFile
-#include "Handle_SMDS_MeshGroup.hxx"
-#endif
-
-#ifndef _Handle_SMDS_Mesh_HeaderFile
-#include "Handle_SMDS_Mesh.hxx"
-#endif
-#ifndef _SMDSAbs_ElementType_HeaderFile
-#include "SMDSAbs_ElementType.hxx"
-#endif
-#ifndef _SMDS_MapOfMeshElement_HeaderFile
-#include "SMDS_MapOfMeshElement.hxx"
-#endif
-#ifndef _Handle_SMDS_MeshGroup_HeaderFile
-#include "Handle_SMDS_MeshGroup.hxx"
-#endif
-#ifndef _SMDS_ListOfMeshGroup_HeaderFile
-#include "SMDS_ListOfMeshGroup.hxx"
-#endif
-#ifndef _SMDS_MeshObject_HeaderFile
-#include "SMDS_MeshObject.hxx"
-#endif
-#ifndef _Standard_Boolean_HeaderFile
-#include <Standard_Boolean.hxx>
-#endif
-#ifndef _Handle_SMDS_MeshElement_HeaderFile
-#include "Handle_SMDS_MeshElement.hxx"
-#endif
-#ifndef _Standard_Integer_HeaderFile
-#include <Standard_Integer.hxx>
-#endif
-class SMDS_Mesh;
-class Standard_NoSuchObject;
-class Standard_TypeMismatch;
-class SMDS_MeshElement;
-class SMDS_MapOfMeshElement;
-
-
-class SMDS_MeshGroup : public SMDS_MeshObject {