code: def DbGetInstanceNameList(self, argin):
          
          self._log.debug("In DbGetInstanceNameList()")
          return self.db.get_instance_name_list(argin)
docs: Returns the instance names found for specified server.
  
          :param argin: Server name
          :type: tango.DevString
          :return: The instance names found for specified server.
          :rtype: tango.DevVarStringArray