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https://issues.apache.org/jira/browse/FLINK-8837?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16422906#comment-16422906
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ASF GitHub Bot commented on FLINK-8837:
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Github user bowenli86 commented on the issue:
https://github.com/apache/flink/pull/5800
cc @StephanEwen @tillrohrmann @zentol
> add @Experimental annotation and properly annotate some classes
> ----------------------------------------------------------------
>
> Key: FLINK-8837
> URL: https://issues.apache.org/jira/browse/FLINK-8837
> Project: Flink
> Issue Type: Bug
> Components: Streaming
> Reporter: Stephan Ewen
> Assignee: Bowen Li
> Priority: Blocker
> Fix For: 1.5.0
>
>
> The class {{DataStreamUtils}} came from 'flink-contrib' and now accidentally
> moved to the fully supported API packages. It should be in package
> 'experimental' to properly communicate that it is not guaranteed to be API
> stable.
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