Github user SparkQA commented on the pull request:
https://github.com/apache/spark/pull/11797#issuecomment-198103708
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GitHub user dongjoon-hyun opened a pull request:
https://github.com/apache/spark/pull/11797
Make `@DeveloperApi`-annotated things public.
## What changes were proposed in this pull request?
Spark uses `@DeveloperApi` annotation, but sometimes it seems to conflict
with
