anchor.diff:     */
     List<Cookie> get cookies;
   
  -  /**
  -   * A [HttpClientResponse] future that will complete once the response is
  -   * available. If an error occurs before the response is available, this
  -   * future will complete with an error.
  -   */
  +  /// A [HttpClientResponse] future that will complete once the response is
  +  /// available.
  +  ///
  +  /// If an error occurs before the response is available, this future will
  +  /// complete with an error.
     Future<HttpClientResponse> get done;
   
     /**
  
positive.code:   /**
     * Gets the map of parameters.
     *
     * This map cannot be modified. invoking any operation which would
     * modify the map will throw [UnsupportedError].
     */
    Map<String, String> get parameters;
  
negative.code:   set badCertificateCallback(
        bool callback(X509Certificate cert, String host, int port));
  
    /// Shuts down the HTTP client.
    ///
    /// If [force] is `false` (the default) the [HttpClient] will be kept alive
    /// until all active connections are done. If [force] is `true` any active
    /// connections will be closed to immediately release all resources. These
    /// closed connections will receive an error event to indicate that the client
    /// was shut down. In both cases trying to establish a new connection after
    /// calling [close] will throw an exception.
    void close({bool force: false});
  }
  
  