request, err = newTestSignedRequest(http.MethodGet, getGetObjectURL(s.endPoint, bucketName, objectName2),
		0, nil, s.accessKey, s.secretKey, s.signer)
	c.Assert(err, nil)
	// executing the HTTP request.
	response, err = s.client.Do(request)
	c.Assert(err, nil)
	// validating the response status code.
	c.Assert(response.StatusCode, http.StatusOK)
	// reading the response body.

   * specified {@link MoreExecutors#directExecutor()}, those objects will be closed synchronously.
   *
   * @param mayInterruptIfRunning {@code true} if the thread executing this task should be
   *     interrupted; otherwise, in-progress tasks are allowed to complete, but the step will be
   *     cancelled regardless

  // Update name_map with newly-created ops.
  // TODO(skyewm): right now BuildWhileLoop() may alter the graph if it returns
  // a bad status. Once we fix this, we may want to return early instead of
  // executing the following code.
  for (int i = first_new_node_id; i < parent->graph.num_node_ids(); ++i) {
    Node* new_node = parent->graph.FindNodeId(i);
    if (new_node == nullptr) continue;

    private static final String CONFIG_INDEX_PREFIX = "fess_config";

    /** OpenSearch runner for managing the embedded search engine */
    protected OpenSearchRunner runner;

    /** OpenSearch client for executing operations */
    protected Client client;

    /** Configuration settings for the search engine */
    protected Map<String, String> settings;

    /** Path to index configuration resources */

     */
    void postReadCleanup() {
      if ((readCount.incrementAndGet() & DRAIN_THRESHOLD) == 0) {
        cleanUp();
      }
    }

    /**
     * Performs routine cleanup prior to executing a write. This should be called every time a write
     * thread acquires the segment lock, immediately after acquiring the lock.
     *
     * <p>Post-condition: expireEntries has been run.
     */

     */
    void postReadCleanup() {
      if ((readCount.incrementAndGet() & DRAIN_THRESHOLD) == 0) {
        cleanUp();
      }
    }

    /**
     * Performs routine cleanup prior to executing a write. This should be called every time a write
     * thread acquires the segment lock, immediately after acquiring the lock.
     *
     * <p>Post-condition: expireEntries has been run.
     */