Github user danielsun1106 commented on the pull request: https://github.com/apache/groovy/commit/1bcaaeaf60078dd5a9aca5cbf1df8f45de68db60#commitcomment-28387615 See https://github.com/apache/groovy/commit/b7c9db3aa0e50cef860c43e0d9e303671106ae89 The missing `serialVersionUID` are synced from 2.5 to 2.4
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