function __construct(array $config, TreeBuilder $tree = null)
 {
     $processor = new Processor();
     $tree = $tree ?: ConfigTree::get();
     $config = ['bureaupieper_storee' => $config];
     parent::__construct($processor->process($tree->buildTree(), $config));
 }
 /**
  * {@inheritdoc}
  */
 public function getConfigTreeBuilder()
 {
     return ConfigTree::get('symfony');
 }