// Defaults to 0 (pod will be considered available as soon as it is ready)
  // +optional
  optional int32 minReadySeconds = 5;

  // revisionHistoryLimit is the number of old ReplicaSets to retain to allow rollback.
  // This is a pointer to distinguish between explicit zero and not specified.
  // Defaults to 2.
  // +optional
  optional int32 revisionHistoryLimit = 6;

  // e.g. ["ro", "soft"]. Not validated -
  // mount of the PVs will simply fail if one is invalid.
  // +optional
  repeated string mountOptions = 5;

  // allowVolumeExpansion shows whether the storage class allow volume expand.
  // +optional
  optional bool allowVolumeExpansion = 6;

  // volumeBindingMode indicates how PersistentVolumeClaims should be
  // provisioned and bound.  When unset, VolumeBindingImmediate is used.

  // No stabilization is used.
  // +optional
  optional HPAScalingRules scaleUp = 1;

  // scaleDown is scaling policy for scaling Down.
  // If not set, the default value is to allow to scale down to minReplicas pods, with a
  // 300 second stabilization window (i.e., the highest recommendation for
  // the last 300sec is used).
  // +optional
  optional HPAScalingRules scaleDown = 2;
}