Github user rmetzger commented on the pull request: https://github.com/apache/flink/pull/505#issuecomment-85173349 I didn't see a bigger issue in the code, but @vasia is the authority on this ;) It would be nice to add at least another bullet to this list: http://ci.apache.org/projects/flink/flink-docs-master/gelly_guide.html#library-methods :)
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