def _get_tos(self):
return self.__tos<EOL>
Getter method for tos, mapped from YANG variable /network_instances/network_instance/protocols/protocol/ospfv2/areas/area/lsdb/lsa_types/lsa_type/lsas/lsa/nssa_external_lsa/types_of_service/type_of_service/tos (leafref)

    YANG Description: Reference to the type of services identifier which is specified
in the NSSA External LSA