code: @Override
      public void stop() {
          synchronized (this.lifecycleMonitor) {
              if (isRunning()) {
                  log.info("stop: Stopping ConnectorManager");
                  try {
                      connector.stop();
                  } finally {
                      running = false;
                  }
              }
          }
      }
docs: Stop this connector, logging out existing sessions, closing their connections, and stopping to accept new
  connections.