String path = "/test/path";
        Set<String> result = labelTypeHelper.getMatchedLabelValueSet(path);
        assertNotNull(result);
    }

    public void test_getMatchedLabelValueSet_emptyPatternList() {
        // Test with empty pattern list
        Set<String> result = labelTypeHelper.getMatchedLabelValueSet("/nonexistent/path");
        assertNotNull(result);
    }

        }
    }

    private static class TestLabelTypeHelper extends LabelTypeHelper {
        Set<String> matchedLabels = new HashSet<>();

        @Override
        public Set<String> getMatchedLabelValueSet(String url) {
            return matchedLabels;
        }
    }

    private static class TestLanguageHelper extends LanguageHelper {
        @Override

            addFavoriteCountField(dataMap, url, fessConfig.getIndexFieldFavoriteCount());
        }

        final Set<String> matchedLabelSet = ComponentUtil.getLabelTypeHelper().getMatchedLabelValueSet(url);
        if (!matchedLabelSet.isEmpty()) {
            final Set<String> newLabelSet = new HashSet<>();

    }

    /**
     * Returns a set of matched label values.
     *
     * @param path The path to match.
     * @return A set of matched label values.
     */
    public Set<String> getMatchedLabelValueSet(final String path) {
        if (labelTypePatternList == null) {
            synchronized (this) {
                if (labelTypePatternList == null) {

        // label: labelType
        final LabelTypeHelper labelTypeHelper = ComponentUtil.getLabelTypeHelper();
        putResultDataBody(dataMap, fessConfig.getIndexFieldLabel(), labelTypeHelper.getMatchedLabelValueSet(url));
        // role: roleType
        final List<String> roleTypeList = getRoleTypes(responseData);
        stream(crawlingConfig.getPermissions()).of(stream -> stream.forEach(p -> roleTypeList.add(p)));