code: static synchronized void shutDownHub() {
          LOGGER.entering();
          if (!isRunLocally()) {
              LOGGER.exiting();
              return;
          }
  
          // shutdown in reverse order
          Collections.reverse(toBoot);
          for (LocalServerComponent eachItem : toBoot) {
              eachItem.shutdown();
          }
          clearToBootList();
          LOGGER.exiting();
      }
docs: This method helps shut down the already spawned hub for local runs