@Override
        public String[] getSearchlogRequestHeadersAsArray() {
            return new String[] { "user-agent", "referer" };
        }

        @Override
        public boolean isLoggingSearchDocsEnabled() {
            return false;
        }

        @Override
        public String[] getLoggingSearchDocsFieldsAsArray() {
            return new String[] { "title", "url" };
        }

     * @param searchLog The search log.
     */
    protected void addDocumentsInResponse(final QueryResponseList queryResponseList, final SearchLog searchLog) {
        if (ComponentUtil.getFessConfig().isLoggingSearchDocsEnabled()) {
            queryResponseList.stream().forEach(res -> {
                final Map<String, Object> map = new HashMap<>();