Andrey Zagrebin created FLINK-13812: ---------------------------------------
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 -- This message was sent by Atlassian Jira (v8.3.2#803003)