@Deprecated
    @Override public void toXML(Object obj, OutputStream out) {
        super.toXML(obj, out);
    }
@Issue("JENKINS-8006") // Previously a null entry in an array caused NPE
    @Test
    public void emptyStack() {
        assertEquals("<object-array><null/><null/></object-array>",
                     Run.XSTREAM.toXML(new Object[2]).replaceAll("[ \n\r\t]+", ""));
    }