Hi,
I have added RESTEasy WADL document[1]. Next step I'll add undertow support + doc[2] and Wildly feature pack[3]. Please check the tracker bug[4] for progresses :-)
[1]
https://issues.jboss.org/browse/RESTEASY-1447
[2]
https://issues.jboss.org/browse/RESTEASY-1451
[3]
https://issues.jboss.org/browse/RESTEASY-1360
[4]
https://issues.jboss.org/browse/RESTEASY-166