Add Composer autoloading functions and PHPStan for testing

vendor/symfony/console/Formatter/WrappableOutputFormatterInterface.php

@@ -0,0 +1,25 @@
+<?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\Component\Console\Formatter;
+
+/**
+ * Formatter interface for console output that supports word wrapping.
+ *
+ * @author Roland Franssen <franssen.roland@gmail.com>
+ */
+interface WrappableOutputFormatterInterface extends OutputFormatterInterface
+{
+    /**
+     * Formats a message according to the given styles, wrapping at `$width` (0 means no wrapping).
+     */
+    public function formatAndWrap(string $message, int $width);
+}