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https://issues.apache.org/jira/browse/FLINK-1847?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14485225#comment-14485225
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Stephan Ewen commented on FLINK-1847:
-------------------------------------
Same holds for {{count()}}.
Both changes are API breaking, but the methods have not been part of any full
release, so it should be okay if we break binary compatibility there. Source
compatibility should be retained.
> Change Scala collect() method to return a Seq
> ---------------------------------------------
>
> Key: FLINK-1847
> URL: https://issues.apache.org/jira/browse/FLINK-1847
> Project: Flink
> Issue Type: Bug
> Components: Scala API
> Affects Versions: 0.9
> Reporter: Stephan Ewen
>
> Right now, the method is very specific in returning {{mutable.Buffer}}.
> Changing it to {{Seq}} allows us to alter the underlying representation
> without breaking the API.
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