DesignPremium EpisodesS4 Premium Episode #370: Protocol Complication Avdi Grimm December 24, 2015 0 Comments When defining multiple implementations of a single role, there are some pitfalls to watch out for. This page is just for members. Sign in or subscribe to gain access! Username Password * Remember Me Forgot Password Related CategoriesDesign, Premium Episodes, S4 PremiumTagsoop