Github user sijie commented on the issue: https://github.com/apache/bookkeeper/pull/217 I am okay with using a checkstyle plugin. it shouldn't be a big deal with existing pull requests. I am fine with merging this change and having a separate follow up jira to enable checkstyle plugin. Since DistributedLog is graduated as a subproject of BookKeeper, and there is already checkstyle rules in DistributedLog, it would be good to reuse the checkstyle rules there. https://github.com/apache/incubator-distributedlog/blob/master/distributedlog-build-tools/src/main/resources/distributedlog/checkstyle.xml
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