buf.append(',');
            buf.append("\"page_count\":");
            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));

        protected String query;
        protected String[] responseFields;
        protected int offset = Constants.DEFAULT_START_COUNT;
        protected int size = Constants.DEFAULT_PAGE_SIZE;
        protected GeoInfo geoInfo;
        protected FacetInfo facetInfo;
        protected HighlightInfo highlightInfo;
        protected String similarDocHash;