The type of reconfiguration for replica of a stateful service.
Possible values are:
Unknown- Indicates the invalid reconfiguration type.
SwapPrimary- Specifies that the primary replica is being swapped with a different replica.
Failover- Reconfiguration triggered in response to a primary going down. This could be due to many reasons such as primary replica crashing etc.
Other- Reconfigurations where the primary replica is not changing.