@Override
    public void endElement(final String uri, final String localName, final String qName) throws SAXException {
        handler.endElement(uri, localName, qName);
        super.endElement(uri, localName, qName);
    }
@param uri       the Namespace URI, or the empty string if the element has no
                 Namespace URI or if Namespace processing is not being
                 performed
@param localName the local name (without prefix), or the empty string if
                 Namespace processing is not being performed
@param qName     the qualified XML name (with prefix), or the empty string if
                 qualified names are not available
@throws SAXException any SAX exception, possibly wrapping another exception
@see AbstractXMLFilter#endElement(String,
String, String)
stroom-pipeline/src/main/java/stroom/pipeline/filter/AbstractSamplingFilter.java