// Required.
  optional PriorityLevelConfigurationReference priorityLevelConfiguration = 1;

  // `matchingPrecedence` is used to choose among the FlowSchemas that match a given request. The chosen
  // FlowSchema is among those with the numerically lowest (which we take to be logically highest)
  // MatchingPrecedence.  Each MatchingPrecedence value must be ranged in [1,10000].

  // Required.
  optional PriorityLevelConfigurationReference priorityLevelConfiguration = 1;

  // `matchingPrecedence` is used to choose among the FlowSchemas that match a given request. The chosen
  // FlowSchema is among those with the numerically lowest (which we take to be logically highest)
  // MatchingPrecedence.  Each MatchingPrecedence value must be ranged in [1,10000].

// that a cluster supports.
message APIGroupDiscoveryList {
  // ResourceVersion will not be set, because this does not have a replayable ordering among multiple apiservers.
  // More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata
  // +optional
  optional k8s.io.apimachinery.pkg.apis.meta.v1.ListMeta metadata = 1;

  // +optional
  optional string error = 3;
}

// UserInfo holds the information about the user needed to implement the
// user.Info interface.
message UserInfo {
  // The name that uniquely identifies this user among all active users.
  // +optional
  optional string username = 1;

  // A unique value that identifies this user across time. If this user is
  // deleted and another user by the same name is added, they will have

  // A volume that is both attached and mounted on a node is considered to be used once, not twice.
  // The same rule applies for a unique volume that is shared among multiple pods on the same node.
  // If this field is not specified, then the supported number of volumes on this node is unbounded.
  // +optional
  optional int32 count = 1;

// When a new field is added to Container it must be added here as well.
message EphemeralContainerCommon {
  // Name of the ephemeral container specified as a DNS_LABEL.
  // This name must be unique among all containers, init containers and ephemeral containers.
  optional string name = 1;

  // Container image name.
  // More info: https://kubernetes.io/docs/concepts/containers/images
  optional string image = 2;

  // +optional
  optional string error = 3;
}

// UserInfo holds the information about the user needed to implement the
// user.Info interface.
message UserInfo {
  // The name that uniquely identifies this user among all active users.
  // +optional
  optional string username = 1;

  // A unique value that identifies this user across time. If this user is
  // deleted and another user by the same name is added, they will have

  // Required.
  optional PriorityLevelConfigurationReference priorityLevelConfiguration = 1;

  // `matchingPrecedence` is used to choose among the FlowSchemas that match a given request. The chosen
  // FlowSchema is among those with the numerically lowest (which we take to be logically highest)
  // MatchingPrecedence.  Each MatchingPrecedence value must be ranged in [1,10000].

  // Required.
  optional PriorityLevelConfigurationReference priorityLevelConfiguration = 1;

  // `matchingPrecedence` is used to choose among the FlowSchemas that match a given request. The chosen
  // FlowSchema is among those with the numerically lowest (which we take to be logically highest)
  // MatchingPrecedence.  Each MatchingPrecedence value must be ranged in [1,10000].

  // A volume that is both attached and mounted on a node is considered to be used once, not twice.
  // The same rule applies for a unique volume that is shared among multiple pods on the same node.
  // If this field is nil, then the supported number of volumes on this node is unbounded.
  // +optional
  optional int32 count = 1;