Github user aljoscha commented on the issue:
https://github.com/apache/flink/pull/2305
@StephanEwen I think technically it doesn't break the API because
`SingleOutputStreamOperator` is a subclass of `DataStream`, right? (It might
break binary compatibility though, because the signature of the method changes)
It might only be the checker that is to sensitive.
---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at [email protected] or file a JIRA ticket
with INFRA.
---
