* proceed to read the response body with [Response.body]. The response is still live until its
   * response body is [closed][ResponseBody]. The recipient of the callback may consume the response
   * body on another thread.
   *
   * Note that transport-layer success (receiving a HTTP response code, headers and body) does not

  optional TokenRequestStatus status = 3;
}

// TokenRequestSpec contains client provided parameters of a token request.
message TokenRequestSpec {
  // Audiences are the intendend audiences of the token. A recipient of a
  // 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

Derivative Works thereof in any medium, with or without modifications, and 
in Source or Object form, provided that You meet the following conditions: 

a. You must give any other recipients of the Work or Derivative Works a copy 
of this License; and 

b. You must cause any modified files to carry prominent notices stating that 
You changed the files; and