repeated string audiences = 1;

  // ExpirationSeconds is the requested duration of validity of the request. The
  // token issuer may return a token with a different validity duration so a
  // client needs to check the 'expiration' field in a response.
  // +optional
  optional int64 expirationSeconds = 4;

  // BoundObjectRef is a reference to an object that the token will be bound to.

  // Default to Always.
  // More info: http://kubernetes.io/docs/user-guide/carp-states#restartpolicy
  // +optional
  optional string restartPolicy = 3;

  // Optional duration in seconds the carp needs to terminate gracefully. May be decreased in delete request.
  // Value must be non-negative integer. The value zero indicates delete immediately.
  // If this value is nil, the default grace period will be used instead.