Github user bzz commented on the issue: https://github.com/apache/zeppelin/pull/1007 Thank you for addressing feedback promptly. Well, in my oppinion, if by "encourage more versioned implementation" you mean having this code duplicated 5 times around the code base ```java @Override public Note get(String noteId, Revision rev) throws IOException { // Auto-generated method stub return null; } ``` it looks like not very elegant solution. It looks more meaningful and elegant to having 2 separate interfaces (types) documented, 1 for non-versioned backends and 1 for versioned ones to allow authors to choose from. Otherwise, if we extend the suggested logic - why do not just to type everything as `Object` and keep only 1 interface for everything? It kind of defeats the benefits of having a type system. It's not a strong opinion though, and if after this arguments, you still feel that having single one is better - please let me know. Other that this issues - it looks great to me.
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