src/Wallabag/CoreBundle/DependencyInjection/Configuration.php


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<?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;
    }
}