Symfony\Bundle\MonologBundle\MonologBundle::build PHP Метод

    public function build(ContainerBuilder $container)
    {
        parent::build($container);
        $container->addCompilerPass($channelPass = new LoggerChannelPass());
        $container->addCompilerPass(new FixEmptyLoggerPass($channelPass));
        $container->addCompilerPass(new AddProcessorsPass());
        $container->addCompilerPass(new AddSwiftMailerTransportPass());
    }