docs: def _message(self, beacon_config, invert_hello=False):
  		""" Overridden :meth:`.WBeaconGouverneurMessenger._message` method. Appends encoded host group names
  		to requests and responses.
  
  		:param beacon_config: beacon configuration
  		:return: bytes
  		"""
  		m = WBeaconGouverneurMessenger._message(self, beacon_config, invert_hello=invert_hello)
  		hostgroups = self._message_hostgroup_generate()
  		if len(hostgroups) > 0:
  			m += (WHostgroupBeaconMessenger.__message_groups_splitter__ + hostgroups)
  		return m