//
// The following three cases all imply that no capacity is available for
// a certain combination:
// - no object exists with suitable topology and storage class name
// - such an object exists, but the capacity is unset
// - such an object exists, but the capacity is zero
//
// The producer of these objects can decide which approach is more suitable.
//

  // +optional
  optional int64 expirationSeconds = 4;

  // BoundObjectRef is a reference to an object that the token will be bound to.
  // The token will only be valid for as long as the bound object exists.
  // NOTE: The API server's TokenReview endpoint will validate the
  // BoundObjectRef, but other audiences may not. Keep ExpirationSeconds
  // small if you want prompt revocation.
  // +optional

  // nodeName represents the name of the Node hosting this endpoint. This can
  // be used to determine endpoints local to a Node.
  // +optional
  optional string nodeName = 6;

  // zone is the name of the Zone this endpoint exists in.
  // +optional
  optional string zone = 7;

  // hints contains information associated with how an endpoint should be
  // consumed.
  // +optional
  optional EndpointHints hints = 8;
}

// RoleBinding references a role, but does not contain it.  It can reference a Role in the same namespace or a ClusterRole in the global namespace.
// It adds who information via Subjects and namespace information by which namespace it exists in.  RoleBindings in a given
// namespace only have effect in that namespace.
// Deprecated in v1.17 in favor of rbac.authorization.k8s.io/v1 RoleBinding, and will no longer be served in v1.22.
message RoleBinding {

// RoleBinding references a role, but does not contain it.  It can reference a Role in the same namespace or a ClusterRole in the global namespace.
// It adds who information via Subjects and namespace information by which namespace it exists in.  RoleBindings in a given
// namespace only have effect in that namespace.
// Deprecated in v1.17 in favor of rbac.authorization.k8s.io/v1 RoleBinding, and will no longer be served in v1.22.
message RoleBinding {

  // If the key is empty, operator must be Exists; this combination means to match all values and all keys.
  // +optional
  optional string key = 1;

  // Operator represents a key's relationship to the value.
  // Valid operators are Exists and Equal. Defaults to Equal.
  // Exists is equivalent to wildcard for value, so that a pod can