[WFLY-3978] - PicketLink EAP 6.4 Issues

...der element.
I am not sure what exactly is meant by 'element' here and in other messages.
In the resource model, we have a resource, which exists at an address. The resource might have a child of type thing=foo. The terminology is that the child type='thing', and the child element='foo'. Or you have a child called 'foo' of type 'thing'