Github user jkbradley commented on a diff in the pull request: https://github.com/apache/spark/pull/19208#discussion_r148885057 --- Diff: mllib/src/main/scala/org/apache/spark/ml/tuning/CrossValidator.scala --- @@ -271,6 +303,20 @@ class CrossValidatorModel private[ml] ( @Since("1.6.0") object CrossValidatorModel extends MLReadable[CrossValidatorModel] { + private[CrossValidatorModel] def copySubModels(subModels: Option[Array[Array[Model[_]]]]) = { --- End diff -- style: state return value explicitly
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