My usecase is that I have c# and java code that call each other but I need some kind of checker that validates "yes, the c# method signature is still compatible with the java method signature". It sounds like Kythe is the right tool for that, what is your take on that? Does srclib support something like this too? It's not as easy as it sounds because the c# or java method signature may have attributes which alter the compatability in custom ways, so I cant just compare "yes all 3 params are compatible and the name is correct". I'd have to plug in some custom logic that takes into account what the attribute does. What do you think?