Callable<O> callable, Executor executor) {
    TrustedListenableFutureTask<O> task = TrustedListenableFutureTask.create(callable);
    executor.execute(task);
    return task;
  }

  /**
   * Executes {@code runnable} on the specified {@code executor}, returning a {@code Future} that
   * will complete after execution.
   *

    //                                                                      Search Execute
    //                                                                      ==============
    @Execute
    @Secured({ ROLE, ROLE + VIEW })
    public HtmlResponse index() {
        return asListHtml();
    }

    @Execute
    @Secured({ ROLE, ROLE + VIEW })

    //                                                                      Search Execute
    //                                                                      ==============
    @Execute
    @Secured({ ROLE, ROLE + VIEW })
    public HtmlResponse index(final SearchForm form) {
        return asListHtml();
    }

    @Execute
    @Secured({ ROLE, ROLE + VIEW })

    //                                                                      Search Execute
    //                                                                      ==============
    @Execute
    @Secured({ ROLE, ROLE + VIEW })
    public HtmlResponse index(final SearchForm form) {
        return asListHtml();
    }

    @Execute
    @Secured({ ROLE, ROLE + VIEW })

    // Hook
    // ======

    // ===================================================================================
    // Search Execute
    // ==============

    @Execute
    public HtmlResponse index() {
        return asIndexHtml();
    }

    @Execute
    public HtmlResponse changePassword(final ProfileForm form) {
        final VaErrorHook toIndexPage = () -> {
            form.clearSecurityInfo();

    @CheckForNull Executor delegate;

    /**
     * Set before calling delegate.execute(); set to null once run, so that it can be GCed; this
     * object may live on after, if submitAsync returns an incomplete future.
     */
    @CheckForNull Runnable task;

    /** Thread that called execute(). Set in execute, cleared when delegate.execute() returns. */
    @CheckForNull @LazyInit Thread submitting;

    //                                                                            ========
    @Execute
    @Secured({ ROLE, ROLE + VIEW })
    public HtmlResponse index() {
        saveToken();
        return asHtml(path_AdminSuggest_AdminSuggestJsp).useForm(SuggestForm.class);
    }

    @Execute
    @Secured({ ROLE })
    public HtmlResponse deleteAllWords() {

    //                                                                      Search Execute
    //                                                                      ==============
    @Execute
    @Secured({ ROLE, ROLE + VIEW })
    public HtmlResponse index() {
        return asListHtml();
    }

    @Execute
    @Secured({ ROLE, ROLE + VIEW })

    //                                                                      Search Execute
    //                                                                      ==============

    // GET /api/admin/relatedcontent/settings
    // POST /api/admin/relatedcontent/settings
    @Execute
    public JsonResponse<ApiResult> settings(final SearchBody body) {
        validateApi(body, messages -> {});

    // ===================================================================================
    //                                                                      Search Execute
    //                                                                      ==============
    @Execute
    public HtmlResponse index() {
        if (isLoginRequired()) {
            return redirectToLogin();
        }