Initial Drupal 11 with DDEV setup

vendor/symfony/validator/Constraints/NotIdenticalTo.php

@@ -0,0 +1,30 @@
+<?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\Validator\Constraints;
+
+/**
+ * Validates that a value is not identical to another value.
+ *
+ * @author Daniel Holmes <daniel@danielholmes.org>
+ * @author Bernhard Schussek <bschussek@gmail.com>
+ */
+#[\Attribute(\Attribute::TARGET_PROPERTY | \Attribute::TARGET_METHOD | \Attribute::IS_REPEATABLE)]
+class NotIdenticalTo extends AbstractComparison
+{
+    public const IS_IDENTICAL_ERROR = '4aaac518-0dda-4129-a6d9-e216b9b454a0';
+
+    protected const ERROR_NAMES = [
+        self::IS_IDENTICAL_ERROR => 'IS_IDENTICAL_ERROR',
+    ];
+
+    public string $message = 'This value should not be identical to {{ compared_value_type }} {{ compared_value }}.';
+}