[增添]添加了datasource的setting数据库以及默认值

vendor/symfony/routing/Loader/AnnotationFileLoader.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\Routing\Loader;
+
+trigger_deprecation('symfony/routing', '6.4', 'The "%s" class is deprecated, use "%s" instead.', AnnotationFileLoader::class, AttributeFileLoader::class);
+
+class_exists(AttributeFileLoader::class);
+
+if (false) {
+    /**
+     * @deprecated since Symfony 6.4, to be removed in 7.0, use {@link AttributeFileLoader} instead
+     */
+    class AnnotationFileLoader extends AttributeFileLoader
+    {
+    }
+}