simgrid::s4u::Host* hostByName(std::string name);
simgrid::s4u::Host* hostByNameOrNull(std::string name);
simgrid::s4u::Storage* storageByName(std::string name);
simgrid::s4u::Host* hostByName(std::string name);
simgrid::s4u::Host* hostByNameOrNull(std::string name);
simgrid::s4u::Storage* storageByName(std::string name);