Rolling
constructor(enableCrossZoneUpgrade: Boolean? = null, maxBatchInstancePercent: Int? = null, maxUnhealthyInstancePercent: Int? = null, maxUnhealthyUpgradedInstancePercent: Int? = null, pauseTimeBetweenBatches: String? = null, prioritizeUnhealthyInstances: Boolean? = null, rollbackFailedInstancesOnPolicyBreach: Boolean? = null)