// Setup
        String session1 = "session1";
        String session2 = "session2";

        // Add different filters for different sessions
        service.addIncludeUrlFilter(session1, "https://session1.com/.*");
        service.addIncludeUrlFilter(session2, "https://session2.com/.*");

        service.addExcludeUrlFilter(session1, "https://session1.com/admin/.*");

    public void test_delete_multipleSessions() {
        final String sessionId1 = "session7";
        final String sessionId2 = "session8";

        urlFilterService.addIncludeUrlFilter(sessionId1, "http://example.com/.*");
        urlFilterService.addIncludeUrlFilter(sessionId2, "http://test.com/.*");

        // Verify both are stored
        assertTrue(fesenClient.prepareSearch("fess_crawler.filter")

    protected MemoryDataHelper dataHelper;

    /*
     * (non-Javadoc)
     *
     * @see
     * org.codelibs.fess.crawler.service.impl.UrlFilterService#addIncludeUrlFilter(java
     * .lang.String, java.lang.String)
     */
    @Override
    public void addIncludeUrlFilter(final String sessionId, final String url) {
        dataHelper.addIncludeUrlPattern(sessionId, url);
    }

    /*
     * (non-Javadoc)
     *

     */
    void addIncludeUrlFilter(String sessionId, String url);

    /**
     * Adds a list of URLs to the include filter for a given session.
     *
     * @param sessionId the ID of the session for which the URLs should be included
     * @param urlList the list of URLs to be added to the include filter
     */
    void addIncludeUrlFilter(String sessionId, List<String> urlList);

    /**

            }
            return;
        }
        if (sessionId == null) {
            cachedIncludeSet.add(urlPattern);
        } else {
            getUrlFilterService().addIncludeUrlFilter(sessionId, urlPattern);
        }
    }

    /*
     * (non-Javadoc)
     *
     * @see org.codelibs.fess.crawler.filter.UrlFilter#clear()
     */
    @Override
    public void clear() {

    /**
     * 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) {
        final OpenSearchUrlFilter esUrlFilter = new OpenSearchUrlFilter();
        esUrlFilter.setSessionId(sessionId);
        esUrlFilter.setFilterType(INCLUDE);