try {
            final SearchResult searchResult = searcher.search(query, params, userBean);
            return createResponseList(searchResult.getDocumentList(), searchResult.getAllRecordCount(),
                    searchResult.getAllRecordCountRelation(), searchResult.getQueryTime(), searchResult.isPartialResults(),
                    searchResult.getFacetResponse(), params.getStartPosition(), pageSize, 0);

        return processResponse(searchResponseOpt);
    }

    /**
     * Processes the OpenSearch response and converts it to a SearchResult.
     *
     * @param searchResponseOpt the optional search response from OpenSearch
     * @return the processed search result
     */
    protected SearchResult processResponse(final OptionalEntity<SearchResponse> searchResponseOpt) {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();