godfrey he created FLINK-21750:
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Summary: Support StreamExecWatermarkAssigner json
serialization/deserialization
Key: FLINK-21750
URL: https://issues.apache.org/jira/browse/FLINK-21750
Project: Flink
Issue Type: Sub-task
Reporter: godfrey he-- This message was sent by Atlassian Jira (v8.3.4#803005)
