[jira] [Created] (FLINK-13812) Code style for the usage of Java Optional

[Shang Yuanchun (Jira)]

Andrey Zagrebin created FLINK-13812:
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             Summary: Code style for the usage of Java Optional
                 Key: FLINK-13812
                 URL: https://issues.apache.org/jira/browse/FLINK-13812
             Project: Flink
          Issue Type: Sub-task
          Components: Documentation, Project Website
            Reporter: Andrey Zagrebin
            Assignee: Andrey Zagrebin






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