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I think you'll get a compile-time error, but it's easy enough to check yourself :slightly_smiling_face:

Maybe but even if gives a compile time error 
It was one of the main reasons to abolish multiple inheritance 
Just saying

Well sure, but just let your users decide if it doesn't matter for you api.

<https://kotlinlang.org/docs/reference/interfaces.html#resolving-overriding-conflicts>

Right but that doesn't really help if both interfaces specify a different contract for the shared method.