public Element getChildElement() {
        List<Element> elements = element.elements();
        if (elements.isEmpty()) {
            return null;
        }
        else {
            // Return the first child element
            return elements.get(0);
        }
    }
Returns the wrapped stanza that is being routed. Route packets must have
a single wrapped stanza. This is a convenience method to avoid manipulating
the underlying packet's Element instance directly.

@return the wrapped stanza.
xmppserver/src/main/java/org/jivesoftware/openfire/multiplex/Route.java