THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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This means we need an additional flag "--bootstrap-server" to use AdminClient. KIP-377: TopicCommand to use AdminClient is already proposing this a change to using AdminClientuse AdminClient and introduce a "--bootstrap-server" option, so we can wait on KIP-377 to be completed first before merging this KIP's code.
Compatibility, Deprecation, and Migration Plan
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