* - Purges old crawling sessions
     * - Purges search logs older than configured days
     * - Purges job logs older than configured days
     * - Purges user info logs older than configured days
     * - Updates job log status
     *
     * @return a string containing the execution result and any error messages
     */
    public String execute() {

    assertThat(c.asMap().computeIfAbsent("hash-2", k -> "")).isEqualTo("");
  }

  public void testComputeIfPresent() {
    cache.put(key, "1");
    // simultaneous update for same key, expect count successful updates
    doParallelCacheOp(
        count,
        n -> {
          cache.asMap().computeIfPresent(key, (k, v) -> v + delimiter + n);
        });
    assertEquals(1, cache.size());

  // Graph mutation methods

  // Graph view methods

  /**
   * Returns a view of {@code graph} with the direction (if any) of every edge reversed. All other
   * properties remain intact, and further updates to {@code graph} will be reflected in the view.
   */
  public static <N> Graph<N> transpose(Graph<N> graph) {
    if (!graph.isDirected()) {
      return graph; // the transpose of an undirected graph is an identical graph

  // Graph mutation methods

  // Graph view methods

  /**
   * Returns a view of {@code graph} with the direction (if any) of every edge reversed. All other
   * properties remain intact, and further updates to {@code graph} will be reflected in the view.
   */
  public static <N> Graph<N> transpose(Graph<N> graph) {
    if (!graph.isDirected()) {
      return graph; // the transpose of an undirected graph is an identical graph

    }

    /**
     * Updates a document using a custom update request builder.
     *
     * @param id The document ID to update
     * @param builderLambda Consumer function to configure the update request builder
     * @return true if the update was successful, false otherwise
     */

        });
        return redirect(getClass());
    }

    /**
     * Updates an existing key match.
     *
     * @param form the edit form
     * @return HTML response after update
     */
    @Execute
    @Secured({ ROLE })
    public HtmlResponse update(final EditForm form) {
        verifyCrudMode(form.crudMode, CrudMode.EDIT);

        return asJson(new ApiUpdateResponse().id(reqHeader.getId()).created(true).status(Status.OK).result());
    }

    /**
     * Updates an existing request header setting.
     *
     * @param body the request header data to update
     * @return JSON response containing the updated request header setting ID
     */
    // PUT /api/admin/reqheader/setting
    @Execute

        return asJson(new ApiUpdateResponse().id(webAuth.getId()).created(true).status(Status.OK).result());
    }

    /**
     * Updates an existing web authentication setting.
     *
     * @param body the web authentication data to update
     * @return JSON response containing the updated web authentication setting ID
     */
    // PUT /api/admin/webauth/setting
    @Execute

        infoMap.put(key, value);
    }

    /**
     * Updates crawling information parameters for the specified session.
     * Sets the name and expiration time based on the provided parameters.
     *
     * @param sessionId the session ID to update
     * @param name the name to set for the crawling session (uses system name if blank)

    public synchronized void insert(final StopwordsItem item) {
        try (StopwordsUpdater updater = new StopwordsUpdater(item)) {
            reload(updater);
        }
    }

    @Override
    public synchronized void update(final StopwordsItem item) {
        try (StopwordsUpdater updater = new StopwordsUpdater(item)) {
            reload(updater);
        }
    }

    @Override