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https://issues.apache.org/jira/browse/FLINK-5603?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15848732#comment-15848732
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Dawid Wysakowicz commented on FLINK-5603:
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I think this is a duplicate of [FLINK-5510]
> Use Flink's futures in QueryableStateClient
> -------------------------------------------
>
> Key: FLINK-5603
> URL: https://issues.apache.org/jira/browse/FLINK-5603
> Project: Flink
> Issue Type: Sub-task
> Components: Queryable State
> Reporter: Ufuk Celebi
> Priority: Minor
>
> The current {{QueryableStateClient}} exposes Scala's Futures as the return
> type for queries. Since we are trying to get away from hard Scala
> dependencies in the current master, we should proactively replace this with
> Flink's Future interface.
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