"flavia.rainone(a)jboss.com" wrote : | Would it be all right if I added a third method to MutableClassInfo (see below), so I can get rid of the problem? | If this fixes your problem, sure. "flavia.rainone(a)jboss.com" wrote : | My main concern is whether there could be other classes outside of JBoss Reflection project implementing MutableClassInfo interface. | I doubt they do, as this was never properly finished. (only a mad man would do this :-) And even if they do, we're changing the version to indicate that there were api changes, hence users can either change their code or stick with the old one. View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4252199#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...