I need entry point interfaces

I have the following problem: The unused declaration inspection now marks a lot of classes as unused although they are not, because they are loaded through reflection. What I need is a way to mark an interface or a class as an entry point so that all implementing or derived classes will be entry points, too. I have submitted

http://youtrack.jetbrains.net/issue/IDEA-26867

If you have the same problem, please vote!

Ingo