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Similarly, for BrokerRegistrationRequest, we will create a new version 4. Servers which accept v4 promise to be able to handle ranges including 0. Servers which do not will get ranges that only start with 1, rather than 0.

Finally, if the maximum version is 0, the feature is simply not exposed at all via the ApiVersionsResponse or the BrokerRegistrationRequest.

Compatibility, Deprecation, and Migration Plan

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