// Defaults to 25%.
  // Example: when this is set to 30%, the new ReplicaSet can be scaled up immediately when
  // the rolling update starts, such that the total number of old and new pods do not exceed
  // 130% of desired pods. Once old pods have been killed,
  // new ReplicaSet can be scaled up further, ensuring that total number of pods running

  // +optional
  optional k8s.io.apimachinery.pkg.apis.meta.v1.Time lastUpdateTime = 4;

  // lastTransitionTime is the time the condition last transitioned from one status to another.
  // If unset, when a new condition type is added or an existing condition's status is changed,
  // the server defaults this to the current time.
  // +optional
  optional k8s.io.apimachinery.pkg.apis.meta.v1.Time lastTransitionTime = 5;
}

  // "csi.storage.k8s.io/ephemeral": "true" if the volume is an ephemeral inline volume
  //                                 defined by a CSIVolumeSource, otherwise "false"
  //
  // "csi.storage.k8s.io/ephemeral" is a new feature in Kubernetes 1.16. It is only
  // required for drivers which support both the "Persistent" and "Ephemeral" VolumeLifecycleMode.
  // Other drivers can leave pod info disabled and/or ignore this field.

  // If the time zone name becomes invalid during the lifetime of a CronJob or due to a change in host
  // configuration, the controller will stop creating new new Jobs and will create a system event with the
  // reason UnknownTimeZone.
  // More information can be found in https://kubernetes.io/docs/concepts/workloads/controllers/cron-jobs/#time-zones
  // +optional

// Spec. The `ingressclass.kubernetes.io/is-default-class` annotation can be
// used to indicate that an IngressClass should be considered default. When a
// single IngressClass resource has this annotation set to true, new Ingress
// resources without a class specified will be assigned this default class.
message IngressClass {
  // Standard object's metadata.

  // risky unless you take great care to run this webhook on all hosts
  // which run an apiserver which might need to make calls to this
  // webhook. Such installs are likely to be non-portable, i.e., not easy
  // to turn up in a new cluster.
  //
  // The scheme must be "https"; the URL must begin with "https://".
  //
  // A path is optional, and if present may be any string permissible in

  // This field cannot be empty for new Events.
  // +optional
  optional string reportingController = 4;

  // reportingInstance is the ID of the controller instance, e.g. `kubelet-xyzf`.
  // This field cannot be empty for new Events and it can have at most 128 characters.
  // +optional
  optional string reportingInstance = 5;

  // Defaults to 25%.
  // Example: when this is set to 30%, the new ReplicaSet can be scaled up immediately when
  // the rolling update starts, such that the total number of old and new pods do not exceed
  // 130% of desired pods. Once old pods have been killed,
  // new ReplicaSet can be scaled up further, ensuring that total number of pods running

  // "csi.storage.k8s.io/ephemeral": "true" if the volume is an ephemeral inline volume
  //                                 defined by a CSIVolumeSource, otherwise "false"
  //
  // "csi.storage.k8s.io/ephemeral" is a new feature in Kubernetes 1.16. It is only
  // required for drivers which support both the "Persistent" and "Ephemeral" VolumeLifecycleMode.
  // Other drivers can leave pod info disabled and/or ignore this field.

  // +-------+-------+-------+
  // The number of domains is less than 5(MinDomains), so "global minimum" is treated as 0.
  // In this situation, new pod with the same labelSelector cannot be scheduled,
  // because computed skew will be 3(3 - 0) if new Pod is scheduled to any of the three zones,
  // it will violate MaxSkew.
  //