buf.append(escapeJson(highlightParams));
            buf.append(",\"next_page\":");
            buf.append(escapeJson(nextPage));
            buf.append(",\"prev_page\":");
            buf.append(escapeJson(prevPage));
            buf.append(",\"start_record_number\":");
            buf.append(startRecordNumber);
            buf.append(",\"end_record_number\":");

         */
        protected boolean nextPage;
        /**
         * Indicates if there is a previous page of search results.
         */
        protected boolean prevPage;
        /**
         * The starting record number for the current page of search results.
         */
        protected long startRecordNumber;
        /**