protected boolean isXmlFriendly;
public ReferenceByXPathUnmarshaller(Object root, HierarchicalStreamReader reader,
ConverterLookup converterLookup, Mapper mapper) {
super(root, reader, converterLookup, mapper);
this.reader = new PathTrackingReader(reader, pathTracker);
isXmlFriendly = reader.underlyingReader() instanceof XmlFriendlyReader;
}