code: def publish_server_closed(self, server_address, topology_id):
          
          event = ServerClosedEvent(server_address, topology_id)
          for subscriber in self.__server_listeners:
              try:
                  subscriber.closed(event)
              except Exception:
                  _handle_exception()
docs: Publish a ServerClosedEvent to all server listeners.
  
          :Parameters:
           - `server_address`: The address (host/port pair) of the server.
           - `topology_id`: A unique identifier for the topology this server
             is a part of.