diff --git a/src/Bowerphp/Command/Helper/QuestionHelper.php b/src/Bowerphp/Command/Helper/QuestionHelper.php
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+++ b/src/Bowerphp/Command/Helper/QuestionHelper.php
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+<?php
+
+/*
+ * This file is part of Bowerphp.
+ *
+ * (c) Massimiliano Arione <massimiliano.arione@bee-lab.net>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Bowerphp\Command\Helper;
+
+use Symfony\Component\Console\Helper\QuestionHelper as BaseDialogHelper;
+use Symfony\Component\Console\Question\Question;
+
+/**
+ * Copied by Composer https://github.com/composer/composer
+ */
+class QuestionHelper extends BaseDialogHelper
+{
+    /**
+     * Build text for asking a question. For example:
+     *
+     *  "Do you want to continue [yes]:"
+     *
+     * @param string $question The question you want to ask
+     * @param mixed  $default  Default value to add to message, if false no default will be shown
+     * @param string $sep      Separation char for between message and user input
+     *
+     * @return string
+     */
+    public function getQuestion($question, $default = null, $sep = ':')
+    {
+        return $default !== null ?
+                new Question(sprintf('<info>%s</info> [<comment>%s</comment>]%s ', $question, $default, $sep)) :
+                new Question(sprintf('<info>%s</info>%s ', $question, $sep));
+    }
+}