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https://issues.apache.org/jira/browse/FLINK-17631?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17105332#comment-17105332
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Kostas Kloudas commented on FLINK-17631:
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I see, but can't the validation happen at the user of the option? My main
concern is that the whole {{ConfigOptions}} part is already complicated and it
would help if we only add functionality that we cannot have in a different way.
> Supports char type for ConfigOption
> -----------------------------------
>
> Key: FLINK-17631
> URL: https://issues.apache.org/jira/browse/FLINK-17631
> Project: Flink
> Issue Type: Improvement
> Components: API / Core
> Affects Versions: 1.11.0
> Reporter: Danny Chen
> Assignee: Danny Chen
> Priority: Major
> Fix For: 1.11.0
>
>
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