* Displays the initial duplicate host management page.
     *
     * @param form the search form
     * @return HTML response for the duplicate host list page
     */
    @Execute
    @Secured({ ROLE, ROLE + VIEW })
    public HtmlResponse index(final SearchForm form) {
        return asListHtml();
    }

    /**
     * Displays the duplicate host list with pagination.
     *

        super.tearDown();
    }

    // Test constructor
    public void test_constructor() {
        FacetQueryView view = new FacetQueryView();
        assertNotNull(view);
        assertNotNull(view.getQueryMap());
        assertTrue(view.getQueryMap().isEmpty());
        assertNull(view.getTitle());
    }

    // Test title getter and setter
    public void test_getTitle() {

    /**
     * Show the index page.
     * @param form The search form.
     * @return The HTML response.
     */
    @Execute
    @Secured({ ROLE, ROLE + VIEW })
    public HtmlResponse index(final SearchForm form) {
        validate(form, messages -> {}, this::asDictIndexHtml);
        protwordsPager.clear();

  }

  // 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()) {

  }

  // 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()) {

     * Displays the scheduler management index page.
     *
     * @param form the search form for filtering
     * @return HTML response for the scheduler list page
     */
    @Execute
    @Secured({ ROLE, ROLE + VIEW })
    public HtmlResponse index(final SearchForm form) {
        return asListHtml();
    }

    /**
     * Displays a paginated list of scheduled jobs.
     *

            protected OptionalThing<SMailSubjectFilter> createSubjectFilter() {
                return OptionalThing.of((view, subject) -> subject);
            }

            @Override
            protected OptionalThing<SMailAsyncStrategy> createAsyncStrategy() {
                return OptionalThing.of((view, runnable) -> async(asyncManager, runnable));
            }

            @Override

    /**
     * Displays the key match list page.
     *
     * @param form the search form
     * @return HTML response for the list page
     */
    @Execute
    @Secured({ ROLE, ROLE + VIEW })
    public HtmlResponse index(final SearchForm form) {
        return asListHtml();
    }

    /**
     * Displays the key match list with pagination.
     *
     * @param pageNumber the page number

      TreeRangeSet.this.remove(restriction);
    }

    @Override
    public RangeSet<C> subRangeSet(Range<C> view) {
      if (view.encloses(restriction)) {
        return this;
      } else if (view.isConnected(restriction)) {
        return new SubRangeSet(restriction.intersection(view));
      } else {
        return ImmutableRangeSet.of();
      }
    }
  }

 * including authentication, authorization, and HTML data setup.
 * </p>
 *
 */
public abstract class FessAdminAction extends FessBaseAction {

    /** Constant suffix for view names. */
    public static final String VIEW = "-view";

    /**
     * Default constructor.
     */
    public FessAdminAction() {
        super();
    }