public function registerContainerConfiguration(LoaderInterface $loader, array $managerConfig)
    {
        $loader->load('@HeimrichHannotContaoUtilsBundle/Resources/config/services.yml');
        $loader->load('@HeimrichHannotContaoUtilsBundle/Resources/config/listener.yml');
        $loader->load('@HeimrichHannotContaoUtilsBundle/Resources/config/parameters.yml');
        $loader->load('@HeimrichHannotContaoUtilsBundle/Resources/config/utils.yml');
    }