void EmptyZone::get_graph(const s_xbt_graph_t* /*graph*/, std::map<std::string, xbt_node_t, std::less<>>* /*nodes*/,
std::map<std::string, xbt_edge_t, std::less<>>* /*edges*/)
{
void EmptyZone::get_graph(const s_xbt_graph_t* /*graph*/, std::map<std::string, xbt_node_t, std::less<>>* /*nodes*/,
std::map<std::string, xbt_edge_t, std::less<>>* /*edges*/)
{