//
  // +optional
  optional int32 expirationSeconds = 8;

  // allowedUsages specifies a set of usage contexts the key will be
  // valid for.
  // See:
  // 	https://tools.ietf.org/html/rfc5280#section-4.2.1.3
  // 	https://tools.ietf.org/html/rfc5280#section-4.2.1.12
  //
  // Valid values are:
  //  "signing",
  //  "digital signature",
  //  "content commitment",
  //  "key encipherment",

// EventSeries contain information on series of events, i.e. thing that was/is happening
// continuously for some time. How often to update the EventSeries is up to the event reporters.
// The default event reporter in "k8s.io/client-go/tools/events/event_broadcaster.go" shows
// how this struct is updated on heartbeats and can guide customized reporter implementations.
message EventSeries {

  // +optional
  map<string, string> labels = 11;

  // Annotations is an unstructured key value map stored with a resource that may be
  // set by external tools to store and retrieve arbitrary metadata. They are not
  // queryable and should be preserved when modifying objects.
  // More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/annotations
  // +optional

  // For many clients the singular form of the resource will be more understandable to users reading messages and should be used when integrating the name of the resource into a sentence.
  // The command line tool kubectl, for example, allows use of the singular resource name in place of plurals.
  // The singular form of a resource should always be an optional element - when in doubt use the canonical resource name.

  // characters, '-', '_' or '.'. The serialized form of the secret data is a
  // base64 encoded string, representing the arbitrary (possibly non-string)
  // data value here. Described in https://tools.ietf.org/html/rfc4648#section-4
  // +optional
  map<string, bytes> data = 2;

  // stringData allows specifying non-binary secret data in string form.
  // It is provided as a write-only input field for convenience.