buf.append(allPageCount);
            buf.append(",\"highlight_params\":");
            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);