--- /dev/null
+<?php
+
+namespace Wallabag\CoreBundle\DependencyInjection;
+
+use Symfony\Component\Config\Definition\Builder\TreeBuilder;
+use Symfony\Component\Config\Definition\ConfigurationInterface;
+
+class Configuration implements ConfigurationInterface
+{
+ public function getConfigTreeBuilder()
+ {
+ $treeBuilder = new TreeBuilder();
+ $rootNode = $treeBuilder->root('wallabag_core');
+
+ $rootNode
+ ->children()
+ ->arrayNode('languages')
+ ->prototype('scalar')->end()
+ ->end()
+ ->end()
+ ;
+
+ return $treeBuilder;
+ }
+}