Github user zentol commented on the issue: https://github.com/apache/flink/pull/3495 I would use the class name, as otherwise we add an additional source of mistakes. When introducing the `ConfigGroups` annotation the first time; if the configured default name doesn't match the class name the docs will break if not adjusted properly. In my mind when you want to extract some options into a separate table for the docs you should only have to worry about exactly that, and not about breaking the docs for the rest of the class.
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