-void AsNone::getLocalRoute(NetCard* /*src*/, NetCard* /*dst*/, sg_platf_route_cbarg_t /*res*/, double* /*lat*/)
-{
-}
-
-void AsNone::getGraph(xbt_graph_t /*graph*/, xbt_dict_t /*nodes*/, xbt_dict_t /*edges*/)
+void EmptyZone::get_graph(xbt_graph_t /*graph*/, std::map<std::string, xbt_node_t>* /*nodes*/,
+ std::map<std::string, xbt_edge_t>* /*edges*/)