def _get_helper_only(self):
return self.__helper_only<EOL>
Getter method for helper_only, mapped from YANG variable /network_instances/network_instance/protocols/protocol/bgp/peer_groups/peer_group/graceful_restart/config/helper_only (boolean)

    YANG Description: Enable graceful-restart in helper mode only. When this
leaf is set, the local system does not retain forwarding
its own state during a restart, but supports procedures
for the receiving speaker, as defined in RFC4724.