public void insert(UrlQueue<?> urlQueue) {
            }

            @Override
            public void delete(String sessionId) {
            }

            @Override
            public void deleteAll() {
            }

            @Override
            public void offerAll(String sessionId, List<UrlQueue<?>> newUrlQueueList) {
            }

            @Override

                                                            <button type="submit" class="btn btn-outline-light"
                                                                    name="deleteall"
                                                                    value="<la:message key="labels.joblog_delete_all_link" />">

                                                        </p>
                                                    </div>
                                                    <la:form action="/admin/searchlist/deleteall">
                                                    <div class="modal-footer justify-content-between">
                                                            <la:hidden property="q"/>

                                                                <button type="submit" class="btn btn-outline-light"
                                                                        name="deleteall"
                                                                        value="<la:message key="labels.failure_url_delete_all_link" />">

     *
     * @return true if the operation was successful, false otherwise.
     */
    public boolean deleteAllWords() {
        final SuggestDeleteResponse response = suggester.indexer().deleteAll();
        if (response.hasError()) {
            logger.warn("Failed to delete all words.", response.getErrors().get(0));
            return false;
        }
        refresh();
        return true;
    }

        service.delete(sessionId);

        // Verify
        verify(dataHelper).clearUrlPattern(sessionId);
    }

    public void test_deleteAll() {
        // Execute
        service.deleteAll();

        // Verify
        verify(dataHelper).clearUrlPattern();
    }

    public void test_getIncludeUrlPatternList() {
        // Setup
        String sessionId = "session123";

 * <li>{@link #deleteByQuery(String)} - Delete suggest items by query string.
 * <li>{@link #deleteByQuery(QueryBuilder)} - Delete suggest items by query builder.
 * <li>{@link #deleteAll()} - Delete all suggest items.
 * <li>{@link #deleteDocumentWords()} - Delete document words.
 * <li>{@link #deleteQueryWords()} - Delete query words.
 * <li>{@link #indexFromQueryLog(QueryLog)} - Index from a single query log.

                                                            <button type="submit" class="btn btn-outline-light"
                                                                    name="deleteall"
                                                                    value="<la:message key="labels.crawling_info_delete_all_link" />">

        return redirect(getClass());
    }

    /**
     * Delete all crawling info.
     * @return The HTML response.
     */
    @Execute
    @Secured({ ROLE, ROLE + VIEW })
    public HtmlResponse deleteall() {
        verifyToken(this::asListHtml);
        crawlingInfoService.deleteOldSessions(processHelper.getRunningSessionIdSet());
        crawlingInfoPager.clear();

    }

    /**
     * Deletes all job logs.
     *
     * @return HTML response after deletion
     */
    @Execute
    @Secured({ ROLE })
    public HtmlResponse deleteall() {
        verifyToken(this::asListHtml);
        final List<String> jobStatusList = new ArrayList<>();
        jobStatusList.add(Constants.OK);
        jobStatusList.add(Constants.FAIL);