@Override
      public void startElement(String uri, String localName, String qName, Attributes atts)
          throws SAXException {
        uriRef.set(uri);
        localnameRef.set(localName);
        qNameRef.set(qName);
        attributesRef.set(atts);
      }
Test method for
{@link XmlGeneratorUtils#startElement(ContentHandler, String, String, AttributesImpl)}.
geode-core/src/test/java/org/apache/geode/internal/cache/xmlcache/XmlGeneratorUtilsJUnitTest.java