The last completed non-dry-run rebalance this coordinator finished.
The balance state of each partition as of the time of the request.
Normally the rebalance currently running, or absent if no rebalance is running. For a dry-run response, this is instead the unexecuted plan of that dry run.
The cluster's aggregate balance state as of the time of the request.
The cluster's current per-partition balance state, the running rebalance, and the last completed rebalance.