// items is the list of groups for discovery. The groups are listed in priority order.
  repeated APIGroupDiscovery items = 2;
}

// APIResourceDiscovery provides information about an API resource for discovery.
message APIResourceDiscovery {
  // resource is the plural name of the resource.  This is used in the URL path and is the unique identifier
  // for this resource across all versions in the API group.

  // token must identify themself with an identifier in the list of
  // audiences of the token, and otherwise should reject the token. A
  // token issued for multiple audiences may be used to authenticate
  // against any of the audiences listed but implies a high degree of
  // trust between the target audiences.
  repeated string audiences = 1;

  // ExpirationSeconds is the requested duration of validity of the request. The