-typedef std::list<DriverMED_FamilyPtr > DriverMED_FamilyPtrList;
-typedef std::map<int,SMESHDS_SubMesh* > SMESHDS_SubMeshPtrMap;
-typedef std::list<SMESHDS_GroupBase* > SMESHDS_GroupBasePtrList;
-typedef std::set<const SMDS_MeshElement*,TIDCompare > ElementsSet;
+typedef std::list<DriverMED_FamilyPtr > DriverMED_FamilyPtrList;
+typedef std::map<int,SMESHDS_SubMesh* > SMESHDS_SubMeshPtrMap;
+typedef std::list<SMESHDS_GroupBase* > SMESHDS_GroupBasePtrList;
+typedef std::set<const SMDS_MeshElement*,TIDCompare > ElementsSet;
+typedef boost::container::flat_set< SMDSAbs_ElementType > ElemTypeSet;