| Class | Description | 
|---|---|
| TestOnlyRaftPolicy | A RaftPolicy that disables elections so that we can then specify exactly which Shard Replica should be
 Leader. | 
| TwoNodeClusterRaftPolicy | The TwoNodeClusterRaftPolicy is intended to be used in a two node deployment where when one instance
 of the controller goes down the other instance is to take over and move the state forward. | 
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