void meth() {
  org.xml.sax.helpers.XMLReaderFactory.createXMLReader().with {
    contentHandler = new org.xml.sax.helpers.DefaultHandler() {
      private Stack<StringBuilder> chars = []

      @Override
      void characters(char[] text, int offset, int length)
      {
        if (chars) chars.peek().append(text, offset, length)
      }
    }
  }
}