[DependencyInjection] Add the Required attribute.

Author: derrabus

Attribute/Required.php

@@ -0,0 +1,27 @@
+<?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\Contracts\Service\Attribute;
+
+use Attribute;
+
+/**
+ * A required dependency.
+ *
+ * This attribute indicates that a property holds a required dependency. The annotated property or method should be
+ * considered during the instantiation process of the containing class.
+ *
+ * @author Alexander M. Turek <me@derrabus.de>
+ */
+#[Attribute(Attribute::TARGET_METHOD | Attribute::TARGET_PROPERTY)]
+final class Required
+{
+}

composer.json

@@ -28,7 +28,7 @@
     "minimum-stability": "dev",
     "extra": {
         "branch-alias": {
-            "dev-master": "2.1-dev"
+            "dev-master": "2.2-dev"
         },
         "thanks": {
             "name": "symfony/contracts",