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https://issues.apache.org/jira/browse/FLINK-18430?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17144807#comment-17144807
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Chesnay Schepler commented on FLINK-18430:
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I suppose the proper way would be to duplicate the interface in some API
module, have the runtime version extend this new interface, and deprecate the
runtime version.
> Upgrade stability to @Public for CheckpointedFunction and CheckpointListener
> ----------------------------------------------------------------------------
>
> Key: FLINK-18430
> URL: https://issues.apache.org/jira/browse/FLINK-18430
> Project: Flink
> Issue Type: Improvement
> Components: API / DataStream
> Reporter: Stephan Ewen
> Assignee: Stephan Ewen
> Priority: Critical
> Fix For: 1.11.0
>
>
> The two interfaces {{CheckpointedFunction}} and {{CheckpointListener}} are
> used by many users, but are still (for years now) marked as
> {{@PublicEvolving}}.
> I think this is not correct. They are very core to the DataStream API and are
> used widely and should be treated as {{@Public}}.
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