eZ\Bundle\EzPublishIOBundle\DependencyInjection\ConfigurationFactory\Flysystem::addConfiguration PHP Метод

    public function addConfiguration(ArrayNodeDefinition $node)
    {
        $node->info('Handler based on league/flysystem, an abstract filesystem library. ' . 'Yes, the metadata handler and binarydata handler look the same; it is NOT a mistake :)')->children()->scalarNode('adapter')->info('Flysystem adapter identifier. Should be configured using oneup flysystem bundle. ' . 'Yes, the same adapter can be used for a binarydata and metadata handler')->isRequired()->example('nfs')->end()->end();
    }