* @return List of search result documents
     */
    protected List<Map<String, Object>> searchInternal(final String query, final SearchRequestParams params,
            final OptionalThing<FessUserBean> userBean) {
        final RankFusionProcessor rankFusionProcessor = ComponentUtil.getRankFusionProcessor();
        final List<Map<String, Object>> documentItems = rankFusionProcessor.search(query, params, userBean);

     * A function to find document IDs.
     */
    protected Function<Map<String, Object>, String[]> idFinder = params -> {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final SearchEngineClient client = ComponentUtil.getSearchEngineClient();
        final String index = fessConfig.getIndexDocumentUpdateIndex();
        final Object url = params.get("url");
        if (url == null) {

        if (typeof options.startDate === 'object')
            this.startDate = moment(options.startDate);

        if (typeof options.endDate === 'object')
            this.endDate = moment(options.endDate);

        if (typeof options.minDate === 'object')
            this.minDate = moment(options.minDate);

        if (typeof options.maxDate === 'object')
            this.maxDate = moment(options.maxDate);

    //                                                                              ======
    @Override
    public Map<String, Object> toSource() {
        Map<String, Object> sourceMap = new HashMap<>();
        if (content != null) {
            addFieldToSource(sourceMap, "content", content);
        }
        if (createdBy != null) {

    }

    @SuppressWarnings("unchecked")
    @Override
    protected <RESULT extends SearchLog> RESULT createEntity(final Map<String, Object> source, final Class<? extends RESULT> entityType) {
        try {
            final RESULT result = super.createEntity(source, entityType);
            final Object searchFieldObj = source.get("searchField");
            if (searchFieldObj instanceof Map) {

        // Test with empty list
        List<Map<String, Object>> emptyList = new ArrayList<>();
        searchRenderData.setDocumentItems(emptyList);
        assertEquals(emptyList, searchRenderData.getDocumentItems());

        // Test with populated list
        List<Map<String, Object>> documentItems = new ArrayList<>();
        Map<String, Object> doc1 = new HashMap<>();
        doc1.put("title", "Test Document 1");

            final ResultData resultData = transformer.transform(responseData);
            final Object rawData = resultData.getRawData();
            if (rawData != null) {
                @SuppressWarnings("unchecked")
                final Map<String, Object> responseDataMap = (Map<String, Object>) rawData;
                return responseDataMap;
            } else {

    }

    /**
     * Helper method to initialize defaultSettings without calling init()
     * which requires DI container components
     */
    private Map<String, Object> createDefaultSettings() throws Exception {
        Map<String, Object> defaultSettings = new HashMap<>();
        defaultSettings.put("onelogin.saml2.strict", "true");
        defaultSettings.put("onelogin.saml2.debug", "false");

                    Map<String, String> scriptMap, Map<String, Object> defaultDataMap) {
                // TODO nothing
            }
        };

        ScriptEngineFactory scriptEngineFactory = new ScriptEngineFactory();
        ComponentUtil.register(scriptEngineFactory, "scriptEngineFactory");
        new AbstractScriptEngine() {

            @Override
            public Object evaluate(String template, Map<String, Object> paramMap) {

        for (final Map.Entry<String, Object> entry : source.entrySet()) {
            final String field = entry.getKey();
            if ("title".equals(field) || "content".equals(field) || "lang".equals(field)) {
                continue;
            }
            if (excludeFields.contains(field)) {
                continue;
            }

            final Object value = entry.getValue();