XBT_PUBLIC(xbt_dict_t) MSG_environment_as_get_routing_sons(msg_as_t as);
XBT_PUBLIC(const char *) MSG_environment_as_get_property_value(msg_as_t as, const char *name);
XBT_PUBLIC(const char *) MSG_environment_as_get_model(msg_as_t as);
XBT_PUBLIC(xbt_dict_t) MSG_environment_as_get_routing_sons(msg_as_t as);
XBT_PUBLIC(const char *) MSG_environment_as_get_property_value(msg_as_t as, const char *name);
XBT_PUBLIC(const char *) MSG_environment_as_get_model(msg_as_t as);