Element sizeEst = qinfoElt.addElement("sizeEstimate"); try { sizeEst.addAttribute("value", results.estimateResultSize()); } catch (ServiceException ex) {}
    protected static void putInfo(Element response, ZimbraQueryResults results) {        List<QueryInfo> qinfo = results.getResultInfo();        if (qinfo.size() > 0) {            Element qinfoElt = response.addElement(MailService.E_INFO);            for (QueryInfo inf : qinfo) {                inf.toXml(qinfoElt);            }        }    }