public function load(array $config, ContainerBuilder $container)
{
$locator = new FileLocator(__DIR__ . '/../Resources/config');
$loader = new XmlFileLoader($container, $locator);
$loader->load('services.xml');
$processedConfig = $this->processConfiguration(new Configuration(), $config);
$container->setParameter('matthias_project.start_at', $processedConfig['start_at']);
$container->setParameter('matthias_project.deadline', $processedConfig['deadline']);
}