Cluster
constructor(instanceSelectionLists: List<ClusterClusterConfigPreemptibleWorkerConfigInstanceFlexibilityPolicyInstanceSelectionList>? = null, instanceSelectionResults: List<ClusterClusterConfigPreemptibleWorkerConfigInstanceFlexibilityPolicyInstanceSelectionResult>? = null, provisioningModelMix: ClusterClusterConfigPreemptibleWorkerConfigInstanceFlexibilityPolicyProvisioningModelMix? = null)