// `verbs` is a list of matching verbs and may not be empty.
  // "*" matches all verbs and, if present, must be the only entry.
  // +listType=set
  // Required.
  repeated string verbs = 1;

  // `apiGroups` is a list of matching API groups and may not be empty.
  // "*" matches all API groups and, if present, must be the only entry.
  // +listType=set
  // Required.
  repeated string apiGroups = 2;

  // `verbs` is a list of matching verbs and may not be empty.
  // "*" matches all verbs and, if present, must be the only entry.
  // +listType=set
  // Required.
  repeated string verbs = 1;

  // `apiGroups` is a list of matching API groups and may not be empty.
  // "*" matches all API groups and, if present, must be the only entry.
  // +listType=set
  // Required.
  repeated string apiGroups = 2;

  // line breaks. The message must not contain line breaks.
  // If unset, the message is "failed rule: {Rule}".
  // e.g. "must be a URL with the host matching spec.host"
  // If the Expression contains line breaks. Message is required.
  // The message must not contain line breaks.
  // If unset, the message is "failed Expression: {Expression}".
  // +optional

  optional MetricValueStatus current = 2;
}

// HPAScalingPolicy is a single policy which must hold true for a specified past interval.
message HPAScalingPolicy {
  // type is used to specify the scaling policy.
  optional string type = 1;

  // value contains the amount of change which is permitted by the policy.
  // It must be greater than zero
  optional int32 value = 2;

  // Represents seconds of UTC time since Unix epoch
  // 1970-01-01T00:00:00Z. Must be from 0001-01-01T00:00:00Z to
  // 9999-12-31T23:59:59Z inclusive.
  optional int64 seconds = 1;

  // Non-negative fractions of a second at nanosecond resolution. Negative
  // second values with fractions must still have non-negative nanos values
  // that count forward in time. Must be from 0 to 999,999,999

  // A value of "*" means that any RuntimeClass name is allowed, and must be the only item in the
  // list. An empty list requires the RuntimeClassName field to be unset.
  repeated string allowedRuntimeClassNames = 1;

  // defaultRuntimeClassName is the default RuntimeClassName to set on the pod.
  // The default MUST be allowed by the allowedRuntimeClassNames list.
  // A value of nil does not mutate the Pod.

  // If you want to write an egress-only policy, you must explicitly specify policyTypes [ "Egress" ].
  // Likewise, if you want to write a policy that specifies that no egress is allowed,
  // you must specify a policyTypes value that include "Egress" (since such a policy would not include
  // an Egress section and would otherwise default to just [ "Ingress" ]).
  // This field is beta-level in 1.8
  // +optional

  //
  // Validation requirements:
  //  1. certificate must contain one or more PEM blocks.
  //  2. All PEM blocks must have the "CERTIFICATE" label, contain no headers, and the encoded data
  //   must be a BER-encoded ASN.1 Certificate structure as described in section 4 of RFC5280.

  // +optional
  optional k8s.io.apimachinery.pkg.apis.meta.v1.ObjectMeta metadata = 1;

  // Spec holds information about the request being evaluated.  spec.namespace must be equal to the namespace
  // you made the request against.  If empty, it is defaulted.
  optional SubjectAccessReviewSpec spec = 2;

  // Status is filled in by the server and indicates whether the request is allowed or not

  // equivalent on every node.
  // For example, a handler called "runc" might specify that the runc OCI
  // runtime (using native Linux containers) will be used to run the containers
  // in a pod.
  // The handler must be lowercase, conform to the DNS Label (RFC 1123) requirements,
  // and is immutable.
  optional string handler = 2;

  // overhead represents the resource overhead associated with running a pod for a