// The API server encodes the object to this version when persisting it in
  // the backend (e.g., etcd).
  optional string encodingVersion = 2;

  // The API server can decode objects encoded in these versions.
  // The encodingVersion must be included in the decodableVersions.
  // +listType=set
  repeated string decodableVersions = 3;
}

// Storage version of a specific resource.
message StorageVersion {

  //
  // If the webhook is running within the cluster, then you should use `service`.
  //
  // +optional
  optional ServiceReference service = 1;

  // `caBundle` is a PEM encoded CA bundle which will be used to validate the webhook's server certificate.
  // If unspecified, system trust roots on the apiserver are used.
  // +optional
  optional bytes caBundle = 2;

// CertificateSigningRequestSpec contains the certificate request.
message CertificateSigningRequestSpec {
  // request contains an x509 certificate signing request encoded in a "CERTIFICATE REQUEST" PEM block.
  // When serialized as JSON or YAML, the data is additionally base64-encoded.
  // +listType=atomic
  optional bytes request = 1;

  // signerName indicates the requested signer, and is a qualified name.
  //

  repeated CertificateSigningRequest items = 2;
}

// CertificateSigningRequestSpec contains the certificate request.
message CertificateSigningRequestSpec {
  // Base64-encoded PKCS#10 CSR data
  // +listType=atomic
  optional bytes request = 1;

  // Requested signer for the request. It is a qualified name in the form:
  // `scope-hostname.io/name`.
  // If empty, it will be defaulted:

  //
  // If the webhook is running within the cluster, then you should use `service`.
  //
  // +optional
  optional ServiceReference service = 1;

  // `caBundle` is a PEM encoded CA bundle which will be used to validate the webhook's server certificate.
  // If unspecified, system trust roots on the apiserver are used.
  // +optional
  optional bytes caBundle = 2;

  optional string metricName = 2;

  // targetValue is the target value of the metric (as a quantity).
  optional k8s.io.apimachinery.pkg.api.resource.Quantity targetValue = 3;

  // selector is the string-encoded form of a standard kubernetes label selector for the given metric.
  // When set, it is passed as an additional parameter to the metrics server for more specific metrics scoping

}

// MetricIdentifier defines the name and optionally selector for a metric
message MetricIdentifier {
  // name is the name of the given metric
  optional string name = 1;

  // selector is the string-encoded form of a standard kubernetes label selector for the given metric
  // When set, it is passed as an additional parameter to the metrics server for more specific metrics scoping.

  optional string metricName = 2;

  // targetValue is the target value of the metric (as a quantity).
  optional k8s.io.apimachinery.pkg.api.resource.Quantity targetValue = 3;

  // selector is the string-encoded form of a standard kubernetes label selector for the given metric
  // When set, it is passed as an additional parameter to the metrics server for more specific metrics scoping

}

// MetricIdentifier defines the name and optionally selector for a metric
message MetricIdentifier {
  // name is the name of the given metric
  optional string name = 1;

  // selector is the string-encoded form of a standard kubernetes label selector for the given metric
  // When set, it is passed as an additional parameter to the metrics server for more specific metrics scoping.

message DownwardAPIVolumeFile {
  // Required: Path is  the relative path name of the file to be created. Must not be absolute or contain the '..' path. Must be utf-8 encoded. The first item of the relative path must not start with '..'
  optional string path = 1;

  // Required: Selects a field of the pod: only annotations, labels, name and namespace are supported.
  // +optional