private function prependYui(ContainerBuilder $container)
    {
        $container->setParameter(
            'smile_ez_uicron.public_dir',
            'bundles/smileezuicron'
        );
        $yuiConfigFile = __DIR__ . '/../Resources/config/yui.yml';
        $config = Yaml::parse(file_get_contents($yuiConfigFile));
        $container->prependExtensionConfig('ez_platformui', $config);
        $container->addResource(new FileResource($yuiConfigFile));
    }