+ interface SMESH_IDSource;

+  interface SMESH_IDSource;
+  typedef sequence<SMESH_IDSource> ListOfIDSources;

+  typedef sequence<ElementType> array_of_ElementType ;

  interface SMESH_IDSource
  {
+
+    /*!
+     * Returns types of elements it contains
+     */
+    array_of_ElementType GetTypes();
   };