JING ZHANG created FLINK-23582:
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Summary: Add document for session window
Key: FLINK-23582
URL: https://issues.apache.org/jira/browse/FLINK-23582
Project: Flink
Issue Type: Sub-task
Components: Documentation
Reporter: JING ZHANG-- This message was sent by Atlassian Jira (v8.3.4#803005)
