/**
  * @inheritdoc
  */
 public function getConfigTreeBuilder()
 {
     $treeBuilder = new TreeBuilder();
     $rootNode = $treeBuilder->root($this->bundle->getAlias());
     $bundleNode = $this->bundle->addConfiguration($rootNode);
     foreach ($this->bundle->getPlugins() as $plugin) {
         $pluginNode = $rootNode->children()->arrayNode($plugin->name());
         $plugin->addConfiguration($pluginNode);
     }
     return $treeBuilder;
 }
 /**
  * @inheritdoc
  */
 public function getAlias()
 {
     return $this->bundle->getAlias();
 }