//  2. If it's a kubelet serving certificate, it is assigned
  //     "kubernetes.io/kubelet-serving".
  //  3. Otherwise, it is assigned "kubernetes.io/legacy-unknown".
  // Distribution of trust for signers happens out of band.
  // You can select on this field using `spec.signerName`.
  // +optional
  optional string signerName = 7;

  // expirationSeconds is the requested duration of validity of the issued

      represent, as a whole, an original work of authorship. For the purposes
      of this License, Derivative Works shall not include works that remain
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      represent, as a whole, an original work of authorship. For the purposes
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      "Contribution" shall mean any work of authorship, including
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      represent, as a whole, an original work of authorship. For the purposes
      of this License, Derivative Works shall not include works that remain
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      "Contribution" shall mean any work of authorship, including
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  // It is entirely possible to get an error and be able to continue determine authorization status in spite of it.
  // For instance, RBAC can be missing a role, but enough roles are still present and bound to reason about the request.
  // +optional
  optional string evaluationError = 3;
}

// SubjectRulesReviewStatus contains the result of a rules check. This check can be incomplete depending on

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      "Contribution" shall mean any work of authorship, including
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