def _get_af_type(self):
return self.__af_type<EOL>
Getter method for af_type, mapped from YANG variable /brocade_netconf_ext_rpc/get_netconf_client_capabilities/output/session/af_type (enumeration)

    YANG Description: This leaf indicates the address family type. If the value is IPV4
then the client host IP will be present in the host-ip leaf.
If the value is IPV6, then the client host IP will be present in
host-ip-V6 leaf