Subiendo proyecto completo sin restricciones de git ignore

vendor/symfony/routing/Loader/ClosureLoader.php

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+<?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\Routing\Loader;
+
+use Symfony\Component\Config\Loader\Loader;
+use Symfony\Component\Routing\RouteCollection;
+
+/**
+ * ClosureLoader loads routes from a PHP closure.
+ *
+ * The Closure must return a RouteCollection instance.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class ClosureLoader extends Loader
+{
+    /**
+     * Loads a Closure.
+     */
+    public function load(mixed $closure, string $type = null): RouteCollection
+    {
+        return $closure($this->env);
+    }
+
+    public function supports(mixed $resource, string $type = null): bool
+    {
+        return $resource instanceof \Closure && (!$type || 'closure' === $type);
+    }
+}