Github user StephanEwen commented on the issue:
https://github.com/apache/flink/pull/2874
@shijinkui I think these changes would be great for Flink 2.0
Can you add them to this list here? That is where we collect all
API-.breaking changes that we want to add.
https://issues.apache.org/jira/browse/FLINK-3957
Thanks!
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