}

    @Test
    public void test_parseExtraQueries_null() {
        setupViewHelperWithFacetGroups();
        final MockHttpServletRequest request = new MockHttpServletRequest();
        // ex_q not set (null)
        final String[] result = chatApiManager.parseExtraQueries(request);
        assertEquals(0, result.length);
    }

    @Test
    public void test_parseExtraQueries_empty() {

					<c:forEach var="countEntry" items="${fieldData.valueCountMap}">
						<c:if test="${countEntry.value != 0 && fe:labelexists(countEntry.key)}">
							<li class="list-group-item"><la:link
									href="/search?q=${f:u(q)}&ex_q=label%3a${f:u(countEntry.key)}&sdh=${f:u(fe:sdh(sdh))}${fe:pagingQuery(null)}${fe:facetQuery()}${fe:geoQuery()}">
										${f:h(fe:label(countEntry.key))}

					<c:forEach var="countEntry" items="${fieldData.valueCountMap}">
						<c:if test="${countEntry.value != 0 && fe:labelexists(countEntry.key)}">
							<li class="list-group-item"><la:link
									href="/search?q=${f:u(q)}&ex_q=label%3a${f:u(countEntry.key)}&sdh=${f:u(fe:sdh(sdh))}${fe:pagingQuery(null)}${fe:facetQuery()}${fe:geoQuery()}">
										${f:h(fe:label(countEntry.key))}

            var isChecked = checkbox.prop('checked');

            if (filterType === 'label') {
                setFilter(state.filters.labels, filterValue, isChecked);
            } else if (filterType === 'ex_q') {
                setFilter(state.filters.extraQueries, filterValue, isChecked);
            }

            updateGroupBadge(checkbox.closest('.dropdown'));
            updateFilterBadge();
        });

											<c:forEach var="queryEntry" items="${facetQueryView.queryMap}">
											<label class="filter-check-item">
												<input type="checkbox" class="filter-check" data-filter-type="ex_q" data-filter-value="${f:h(queryEntry.value)}" />

											<c:forEach var="queryEntry" items="${facetQueryView.queryMap}">
											<label class="filter-check-item">
												<input type="checkbox" class="filter-check" data-filter-type="ex_q" data-filter-value="${f:h(queryEntry.value)}" />

     * @return an array of validated extra query strings
     */
    protected String[] parseExtraQueries(final HttpServletRequest request) {
        final String[] extraQueries = request.getParameterValues("ex_q");
        if (extraQueries == null || extraQueries.length == 0) {
            return new String[0];
        }
        // Build allowlist from configured facet queries

            if (pagingQueryList != null) {
                final String prefix;
                if (query != null) {
                    prefix = "ex_q=" + query.split(":")[0] + "%3A";
                } else {
                    prefix = null;
                }
                return pagingQueryList.stream()

        public String getQuery() {
            return request.getParameter("q");
        }

        @Override
        public String[] getExtraQueries() {
            return getParamValueArray(request, "ex_q");
        }

        @Override
        public Map<String, String[]> getFields() {
            final Map<String, String[]> fields = new HashMap<>();

labels.q=Query
labels.roles=Roles
labels.suggestSearchLog=Suggest Search Log
labels.suggestWord=Suggest Word
labels.targetLabel=Label
labels.term=Term
labels.fields=Fields
labels.ex_q=Extended Query
labels.oldPassword=Current Password
labels.newPassword=New Password
labels.confirmNewPassword=New Password (Confirm)

labels.menu_system=System
labels.menu_wizard=Wizard