[jira] [Created] (FLINK-14203) add an abstract class for mappers with rich model.

[Xu Yang (Jira)]

Xu Yang created FLINK-14203:
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             Summary: add an abstract class for mappers with rich model.
                 Key: FLINK-14203
                 URL: https://issues.apache.org/jira/browse/FLINK-14203
             Project: Flink
          Issue Type: Sub-task
          Components: Library / Machine Learning
            Reporter: Xu Yang






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