static bool SetRunAttributes_cb(IntPtr inst, IntPtr attrib_set, int start_offset, int end_offset)
 {
     try {
         IEditableTextImplementor __obj = GLib.Object.GetObject(inst, false) as IEditableTextImplementor;
         bool __result;
         __result = __obj.SetRunAttributes(new GLib.SList(attrib_set), start_offset, end_offset);
         return(__result);
     } catch (Exception e) {
         GLib.ExceptionManager.RaiseUnhandledException(e, true);
         // NOTREACHED: above call does not return.
         throw e;
     }
 }