return deleteDocumentByQuery(searchEngineClient, fessConfig.getIndexDocumentUpdateIndex(), queryBuilder);
    }

    /**
     * Deletes all documents that match the specified query from the specified index.
     *
     * @param searchEngineClient the search engine client to use for deletion
     * @param index the index name to delete documents from

   * Returns an array containing all of the elements in the specified collection; the runtime type
   * of the returned array is that of the specified array. If the collection fits in the specified
   * array, it is returned therein. Otherwise, a new array is allocated with the runtime type of the
   * specified array and the size of the specified collection.
   *
   * <p>If the collection fits in the specified array with room to spare (i.e., the array has more

     *
     * @param url the URL to which the POST request will be sent
     * @return a new CurlRequest object configured with the POST method and the specified URL
     */
    public static CurlRequest post(final String url) {
        return new CurlRequest(Method.POST, url);
    }

    /**
     * Creates a new CurlRequest with the HTTP PUT method for the specified URL.
     *

    }

    /**
     * Creates a GET request for the specified path.
     * @param path the request path
     * @return the configured CurlRequest
     */
    public CurlRequest get(final String path) {
        return request(Method.GET, path).header("Content-Type", "application/json");
    }

    /**
     * Creates a POST request for the specified path.
     * @param path the request path

    }

    /**
     * Returns true if the string ends with the specified substring, ignoring case.
     *
     * @param target1
     *            the text to check
     * @param target2
     *            the substring to compare
     * @return {@literal true} if the string ends with the specified substring, ignoring case
     */

   * Returns an array containing all of the elements in the specified collection; the runtime type
   * of the returned array is that of the specified array. If the collection fits in the specified
   * array, it is returned therein. Otherwise, a new array is allocated with the runtime type of the
   * specified array and the size of the specified collection.
   *
   * <p>If the collection fits in the specified array with room to spare (i.e., the array has more

                                .collect(Collectors.toList());
                    }
                });
    }

    /**
     * Adds an include URL filter for the specified session.
     *
     * @param sessionId The session ID.
     * @param url The URL pattern to include.
     */
    @Override
    public void addIncludeUrlFilter(final String sessionId, final String url) {

        return null;
    }

    /**
     * Returns the value at the specified index.
     *
     * @param index
     *            the index
     * @return the value at the specified index
     */
    public V getAt(final int index) {
        return getEntryAt(index).getValue();
    }

    /**
     * Returns the key at the specified index.
     *
     * @param index
     *            the index

    }

    /**
     * Language-specific analyzer normalizer.
     */
    protected class LangAnalyzerNormalizer implements Normalizer {
        /**
         * The language used for normalization.
         */
        protected final String lang;

        /**
         * Constructs a LangAnalyzerNormalizer with the specified language.
         *

 * A {@code PathType} can identify the class path, the module path, the patches for a specific module,
 * or another kind of path.
 *
 * <p>One path type is handled in a special way: unlike other options,
 * the paths specified in a {@code --patch-module} Java option is effective only for a specified module.
 * This type is created by calls to {@link #patchModule(String)} and a new instance must be created for