Initial Drupal 11 with DDEV setup

vendor/symfony/serializer/Context/Normalizer/DateIntervalNormalizerContextBuilder.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\Serializer\Context\ContextBuilderInterface;
+use Symfony\Component\Serializer\Context\ContextBuilderTrait;
+use Symfony\Component\Serializer\Normalizer\DateIntervalNormalizer;
+
+/**
+ * A helper providing autocompletion for available DateIntervalNormalizer options.
+ *
+ * @author Mathias Arlaud <mathias.arlaud@gmail.com>
+ */
+final class DateIntervalNormalizerContextBuilder implements ContextBuilderInterface
+{
+    use ContextBuilderTrait;
+
+    /**
+     * Configures the format of the interval.
+     *
+     * @see https://php.net/manual/en/dateinterval.format.php
+     */
+    public function withFormat(?string $format): static
+    {
+        return $this->with(DateIntervalNormalizer::FORMAT_KEY, $format);
+    }
+}