Github user StephanEwen commented on the issue:
https://github.com/apache/flink/pull/5112
I would actually be in favor of dismantling the `flink-streaming-contrib`
project.
We could have a dedicated package `experimental` in `flink-streaming-java`
for such code. The package should have a `package-info.java` clearly stating
that this code is not battle hardened code and may change in future versions.
None of the classes should be `@Public`, might could be be `@PublicEvolving`.---
