Actualización

vendor/symfony/framework-bundle/Console/Helper/DescriptorHelper.php

@@ -0,0 +1,39 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Bundle\FrameworkBundle\Console\Helper;
+
+use Symfony\Bundle\FrameworkBundle\Console\Descriptor\JsonDescriptor;
+use Symfony\Bundle\FrameworkBundle\Console\Descriptor\MarkdownDescriptor;
+use Symfony\Bundle\FrameworkBundle\Console\Descriptor\TextDescriptor;
+use Symfony\Bundle\FrameworkBundle\Console\Descriptor\XmlDescriptor;
+use Symfony\Component\Console\Helper\DescriptorHelper as BaseDescriptorHelper;
+
+/**
+ * @author Jean-François Simon <jeanfrancois.simon@sensiolabs.com>
+ *
+ * @internal
+ */
+class DescriptorHelper extends BaseDescriptorHelper
+{
+    /**
+     * Constructor.
+     */
+    public function __construct()
+    {
+        $this
+            ->register('txt', new TextDescriptor())
+            ->register('xml', new XmlDescriptor())
+            ->register('json', new JsonDescriptor())
+            ->register('md', new MarkdownDescriptor())
+        ;
+    }
+}