Github user fhueske commented on a diff in the pull request: https://github.com/apache/flink/pull/4833#discussion_r145728875 --- Diff: flink-libraries/flink-table/src/main/scala/org/apache/flink/table/runtime/aggregate/GeneratedAggregations.scala --- @@ -67,7 +67,7 @@ abstract class GeneratedAggregations extends Function { * aggregated results * @param input input values bundled in a row --- End diff -- Please add `@returns` documentation
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