code: def DbGetDeviceFamilyList(self, argin):
          
          self._log.debug("In DbGetDeviceFamilyList()")
          argin = replace_wildcard(argin)
          return self.db.get_device_family_list(argin)
docs: Get a list of device name families for device name matching the
          specified wildcard
  
          :param argin: The wildcard
          :type: tango.DevString
          :return: Family list
          :rtype: tango.DevVarStringArray