message <span class="message">AddHeaderOverridesArg</span>
{
  message <span class="message">Header</span>
  {
    <span class="comment">/** 
     * The name of the HTTP header, for instance "Accept-Charset".
     */</span>
    required <span class="string">string</span> name  = 1; 
    <span class="comment">/** 
     * The value of the HTTP header, for instance "utf-8" when using
     * Accept-Charset, or "text/html; charset=utf8" for Content-Type.
     */</span>
    required <span class="string">string</span> value = 2; 
  }
  <span class="comment">/** 
   * A list of headers to override. If the 'value' field of any Header
   * is missing, that header will be removed from the request (if present).
   */</span>
  repeated <span class="message">Header</span> headerList = 1; 
}
