From: Sergey Beryozkin <sberyozkin_at_talend.com>
Date: Wed, 2 Jul 2014 11:27:32 +0100

Hi

I've opened [1] to have the specification to clarify what default MBRs
should do when they see concrete implementations of interfaces.

I thought it would make sense to start a discussion here too, so
comments are welcome

Cheers, Sergey

[1] https://java.net/jira/browse/JAX_RS_SPEC-470