Replication
constructor(availabilityZone: String? = null, dnsNameServers: String? = null, kmsKeyId: String? = null, maxCapacityUnits: Int? = null, minCapacityUnits: Int? = null, multiAz: Boolean? = null, preferredMaintenanceWindow: String? = null, replicationSubnetGroupId: String, vpcSecurityGroupIds: List<String>? = null)