services:
    # yaml
    # covers https://github.com/symfony/symfony/blob/3.4/UPGRADE-3.2.md#yaml
    # https://github.com/symfony/symfony/pull/19504
    Rector\Symfony\Rector\Yaml\SpaceBetweenKeyAndValueYamlRector: ~

    # dependency-injection
    Rector\Rector\Argument\ArgumentAdderRector:
        Symfony\Component\DependencyInjection\ContainerBuilder:
            addCompilerPass:
                2:
                    priority: 0