// +optional
  repeated string allowedCapabilities = 4;

  // volumes is an allowlist of volume plugins. Empty indicates that
  // no volumes may be used. To allow all volumes you may use '*'.
  // +optional
  repeated string volumes = 5;

  // hostNetwork determines if the policy allows the use of HostNetwork in the pod spec.
  // +optional

  // this list must have at least one matching (by name) volumeMount in one
  // container in the template. A claim in this list takes precedence over
  // any volumes in the template, with the same name.
  // TODO: Define the behavior if a claim already exists with the same name.
  // +optional
  repeated k8s.io.api.core.v1.PersistentVolumeClaim volumeClaimTemplates = 4;

  // this list must have at least one matching (by name) volumeMount in one
  // container in the template. A claim in this list takes precedence over
  // any volumes in the template, with the same name.
  // TODO: Define the behavior if a claim already exists with the same name.
  // +optional
  repeated k8s.io.api.core.v1.PersistentVolumeClaim volumeClaimTemplates = 4;

  // mount option.
  //
  // When "true", the CSI driver must ensure that all volumes provided by this CSI
  // driver can be mounted separately with different `-o context` options. This is
  // typical for storage backends that provide volumes as filesystems on block
  // devices or as independent shared volumes.
  // Kubernetes will call NodeStage / NodePublish with "-o context=xyz" mount

  // More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes#persistent-volumes
  // +optional
  optional PersistentVolumeSpec spec = 2;

  // status represents the current information/status for the persistent volume.
  // Populated by the system.
  // Read-only.
  // More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes#persistent-volumes
  // +optional
  optional PersistentVolumeStatus status = 3;

  repeated RoleBinding items = 2;
}

// RoleList is a collection of Roles.
// Deprecated in v1.17 in favor of rbac.authorization.k8s.io/v1 RoleList, and will no longer be served in v1.22.
message RoleList {
  // Standard object's metadata.
  // +optional
  optional k8s.io.apimachinery.pkg.apis.meta.v1.ListMeta metadata = 1;

  // Items is a list of Roles
  repeated Role items = 2;
}

  repeated RoleBinding items = 2;
}

// RoleList is a collection of Roles
// Deprecated in v1.17 in favor of rbac.authorization.k8s.io/v1 RoleList, and will no longer be served in v1.22.
message RoleList {
  // Standard object's metadata.
  // +optional
  optional k8s.io.apimachinery.pkg.apis.meta.v1.ListMeta metadata = 1;

  // Items is a list of Roles
  repeated Role items = 2;
}

  // It is entirely possible to get an error and be able to continue determine authorization status in spite of it.
  // For instance, RBAC can be missing a role, but enough roles are still present and bound to reason about the request.
  // +optional
  optional string evaluationError = 3;
}

// SubjectRulesReviewStatus contains the result of a rules check. This check can be incomplete depending on

  // this list must have at least one matching (by name) volumeMount in one
  // container in the template. A claim in this list takes precedence over
  // any volumes in the template, with the same name.
  // TODO: Define the behavior if a claim already exists with the same name.
  // +optional
  repeated k8s.io.api.core.v1.PersistentVolumeClaim volumeClaimTemplates = 4;

//
// They are consumed by the kube-scheduler when a CSI driver opts into
// capacity-aware scheduling with CSIDriverSpec.StorageCapacity. The scheduler
// compares the MaximumVolumeSize against the requested size of pending volumes
// to filter out unsuitable nodes. If MaximumVolumeSize is unset, it falls back
// to a comparison against the less precise Capacity. If that is also unset,
// the scheduler assumes that capacity is insufficient and tries some other