code: public void notifyNewMessage(Plugin plugin, HttpMessage message) {
          parentScanner.notifyNewMessage(message);
          notifyNewMessage(plugin);
      }
docs: Notifies that the given {@code plugin} sent (and received) the given HTTP message.
  
  @param plugin the plugin that sent the message
  @param message the message sent
  @throws IllegalArgumentException if the given {@code plugin} is {@code null}.
  @since 2.5.0
  @see #notifyNewMessage(Plugin)