Initial Drupal 11 with DDEV setup

vendor/symfony/serializer/Context/Normalizer/UnwrappingDenormalizerContextBuilder.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\Serializer\Context\Normalizer;
+
+use Symfony\Component\PropertyAccess\Exception\InvalidPropertyPathException;
+use Symfony\Component\PropertyAccess\PropertyPath;
+use Symfony\Component\Serializer\Context\ContextBuilderInterface;
+use Symfony\Component\Serializer\Context\ContextBuilderTrait;
+use Symfony\Component\Serializer\Exception\InvalidArgumentException;
+use Symfony\Component\Serializer\Normalizer\UnwrappingDenormalizer;
+
+/**
+ * A helper providing autocompletion for available UnwrappingDenormalizer options.
+ *
+ * @author Mathias Arlaud <mathias.arlaud@gmail.com>
+ */
+final class UnwrappingDenormalizerContextBuilder implements ContextBuilderInterface
+{
+    use ContextBuilderTrait;
+
+    /**
+     * Configures the path of wrapped data during denormalization.
+     *
+     * Eg: [foo].bar[bar]
+     *
+     * @see https://symfony.com/doc/current/components/property_access.html
+     *
+     * @throws InvalidArgumentException
+     */
+    public function withUnwrapPath(?string $unwrapPath): static
+    {
+        if (null === $unwrapPath) {
+            return $this->with(UnwrappingDenormalizer::UNWRAP_PATH, null);
+        }
+
+        try {
+            new PropertyPath($unwrapPath);
+        } catch (InvalidPropertyPathException $e) {
+            throw new InvalidArgumentException(\sprintf('The "%s" property path is not valid.', $unwrapPath), previous: $e);
+        }
+
+        return $this->with(UnwrappingDenormalizer::UNWRAP_PATH, $unwrapPath);
+    }
+}