import jakarta.annotation.Resource;

/**
 * The {@code CrawlerThread} class represents a thread that executes the crawling process.
 * It is responsible for fetching URLs from the queue, accessing the content,
 * processing the response, and extracting child URLs.
 *
 * <p>
 * This class implements the {@link Runnable} interface, allowing it to be executed in a separate thread.

                    logger.debug("Scheduled job is not running: id={}", scheduledJob.getId());
                }
            }
        });
        return counter.get();
    }

    /**
     * Executes the crawler process in a separate JVM.
     * This method constructs the command line arguments, sets up the classpath,
     * and launches the crawler as an external process. It handles process lifecycle,

      new IteratorOperation() {
        @Override
        public @Nullable Object execute(Iterator<?> iterator) {
          iterator.remove();
          return null;
        }
      };

  private static final IteratorOperation NEXT_METHOD =
      new IteratorOperation() {
        @Override
        public @Nullable Object execute(Iterator<?> iterator) {
          return iterator.next();
        }
      };

    }

    /**
     * Executes the HTTP client request.
     *
     * @param httpRequest The HTTP request to execute
     * @return The HTTP response
     * @throws IOException If an I/O error occurs
     */
    protected HttpResponse executeHttpClient(final HttpUriRequest httpRequest) throws IOException {
        return httpClient.execute(httpRequest, new BasicHttpContext(httpClientContext));
    }

      new IteratorOperation() {
        @Override
        public @Nullable Object execute(Iterator<?> iterator) {
          iterator.remove();
          return null;
        }
      };

  private static final IteratorOperation NEXT_METHOD =
      new IteratorOperation() {
        @Override
        public @Nullable Object execute(Iterator<?> iterator) {
          return iterator.next();
        }
      };

 *
 * All event methods must execute fast, without external locking, cannot throw exceptions, attempt
 * to mutate the event parameters, or be re-entrant back into the client. Any IO - writing to files
 * or network should be done asynchronously.
 */
abstract class EventListener {
  /**
   * Invoked as soon as a call is enqueued or executed by a client. In case of thread or stream

        }
        return doHttpMethod(url, httpHead);
    }

    /**
     * Executes an HTTP method for the given URL and request.
     *
     * @param url The URL to access
     * @param httpRequest The HTTP request to execute
     * @return The response data
     */
    public ResponseData doHttpMethod(final String url, final ClassicHttpRequest httpRequest) {

        if (fessConfig.isUserFavorite()) {
            ComponentUtil.getUserInfoHelper().storeQueryId(queryId, documentItems);
        }

    }

    /**
     * Internal search method that executes the actual search query.
     *
     * This method performs the search using the rank fusion processor and may retry
     * with OR operator if the hit count is below the configured minimum threshold.
     *

            throw new SmbException("Invalid URL in mkdirs", e);
        }
    }

    /**
     * Executes a request within the context of an open file handle
     *
     * @param <T> the response type
     * @param th the tree handle
     * @param first the first request to execute
     * @param others additional requests to chain
     * @return the response from the first request

        if (available()) {
            process.run();
        } else {
            initProcesses.add(process);
        }
    }

    /**
     * Executes all initialization processes.
     * @param action The action to perform on each initialization process.
     */
    public static void doInitProcesses(final Consumer<? super Runnable> action) {
        try {