+ GEOM::GEOM_Object_ptr UnionGroups (GEOM::GEOM_Object_ptr theGroup1, GEOM::GEOM_Object_ptr theGroup2);
+ GEOM::GEOM_Object_ptr IntersectGroups (GEOM::GEOM_Object_ptr theGroup1, GEOM::GEOM_Object_ptr theGroup2);
+ GEOM::GEOM_Object_ptr CutGroups (GEOM::GEOM_Object_ptr theGroup1, GEOM::GEOM_Object_ptr theGroup2);
+
+ GEOM::GEOM_Object_ptr UnionListOfGroups (const GEOM::ListOfGO& theGList);
+ GEOM::GEOM_Object_ptr IntersectListOfGroups (const GEOM::ListOfGO& theGList);
+ GEOM::GEOM_Object_ptr CutListOfGroups (const GEOM::ListOfGO& theGList1, const GEOM::ListOfGO& theGList2);
+