Github user LosD commented on the pull request:
https://github.com/apache/metamodel/pull/77#issuecomment-163887640
It's a good point, but not critical IMHO, if you don't read the JavaDoc of
the method (which is missing by the way... I have Internet on the plane, so I
finally had a chance to take a look :)), you brought it on yourself... But if
nothing else dictates int, we might as well make it clear by using null.
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