def _get_admin_group(self):
return self.__admin_group<EOL>
Getter method for admin_group, mapped from YANG variable /network_instances/network_instance/protocols/protocol/isis/levels/level/link_state_database/lsp/tlvs/tlv/isis_neighbor_attribute/neighbors/neighbor/subTLVs/subTLVs/admin_group/state/admin_group (uint32)

    YANG Description: The administrative group sub-TLV contains a 4-octet bit mask
assigned by the network administrator.  Each set bit corresponds
to one administrative group assigned to the interface. By
convention, the least significant bit is referred to as group 0,
and the most significant bit is referred to as group 31.