long t2 = System.currentTimeMillis();
stats.incrementTime(tn+".makeXmlDom",t2-t1);
// interrogate the metadata document
XmlInterrogator interrogator = new XmlInterrogator();
XmlType xmlType = interrogator.interrogate(xmlTypes,dom);
XsltReference xsltReference = xmlType.getToSolrXslt();
XsltTemplate xsltTemplate = XsltTemplates.getCompiledTemplate(xsltReference.getSrc());
info.MetadataType_Key = xmlType.getKey();
info.MetadataType_Identifier = xmlType.getIdentifier();
info.MetadataType_Indexables_Version = xsltReference.getVersion();
long t3 = System.currentTimeMillis();
stats.incrementTime(tn+".interrogateXmlType",t3-t2);
// append fields at the top of the document