// More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata
  // +optional
  optional k8s.io.apimachinery.pkg.apis.meta.v1.ObjectMeta metadata = 1;

  // spec contains the specification of the Lease.
  // More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#spec-and-status
  // +optional
  optional LeaseSpec spec = 2;
}

  // metadata.name must be the Kubernetes node name.
  optional k8s.io.apimachinery.pkg.apis.meta.v1.ObjectMeta metadata = 1;

  // spec is the specification of CSINode
  optional CSINodeSpec spec = 2;
}

// CSINodeDriver holds information about the specification of one CSI driver installed on a node
message CSINodeDriver {
  // name represents the name of the CSI driver that this object refers to.

  // resource metric across all relevant pods, represented as a percentage of
  // the requested value of the resource for the pods.  It will only be
  // present if `targetAverageValue` was set in the corresponding metric
  // specification.
  // +optional
  optional int32 currentAverageUtilization = 2;

  // currentAverageValue is the current value of the average of the
  // resource metric across all relevant pods, as a raw value (instead of as

  // More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata
  // +optional
  optional k8s.io.apimachinery.pkg.apis.meta.v1.ObjectMeta metadata = 1;

  // Specification of the desired behavior of the carp.
  // More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#spec-and-status
  // +optional
  optional CarpSpec spec = 2;

  // More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata
  // +optional
  optional k8s.io.apimachinery.pkg.apis.meta.v1.ObjectMeta metadata = 1;

  // spec is the specification for the behaviour of the autoscaler.
  // More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#spec-and-status.
  // +optional
  optional HorizontalPodAutoscalerSpec spec = 2;

  // More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata
  // +optional
  optional k8s.io.apimachinery.pkg.apis.meta.v1.ObjectMeta metadata = 1;

  // spec represents specification of the RuntimeClass
  // More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#spec-and-status
  optional RuntimeClassSpec spec = 2;
}

  optional ObjectReference involvedObject = 2;

  // This should be a short, machine understandable string that gives the reason
  // for the transition into the object's current status.
  // TODO: provide exact specification for format.
  // +optional
  optional string reason = 3;

  // A human-readable description of the status of this operation.
  // TODO: decide on maximum length.
  // +optional

  // More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata
  // +optional
  optional k8s.io.apimachinery.pkg.apis.meta.v1.ObjectMeta metadata = 1;

  // Specification of the desired behavior of a cron job, including the schedule.
  // More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#spec-and-status
  // +optional
  optional CronJobSpec spec = 2;

  // resource metric across all relevant pods, represented as a percentage of
  // the requested value of the resource for the pods.  It will only be
  // present if `targetAverageValue` was set in the corresponding metric
  // specification.
  // +optional
  optional int32 currentAverageUtilization = 2;

  // currentAverageValue is the current value of the average of the
  // resource metric across all relevant pods, as a raw value (instead of as

  // More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata
  // +optional
  optional k8s.io.apimachinery.pkg.apis.meta.v1.ObjectMeta metadata = 1;

  // spec represents specification of the desired attach/detach volume behavior.
  // Populated by the Kubernetes system.
  optional VolumeAttachmentSpec spec = 2;

  // status represents status of the VolumeAttachment request.