Constructive description here

vendor/symfony/http-kernel/Tests/Fixtures/Controller/BasicTypesController.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\HttpKernel\Tests\Fixtures\Controller;
+
+class BasicTypesController
+{
+    public function action(string $foo, int $bar, float $baz)
+    {
+    }
+}

vendor/symfony/http-kernel/Tests/Fixtures/Controller/ExtendingRequest.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\HttpKernel\Tests\Fixtures\Controller;
+
+use Symfony\Component\HttpFoundation\Request;
+
+class ExtendingRequest extends Request
+{
+}

vendor/symfony/http-kernel/Tests/Fixtures/Controller/NullableController.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\HttpKernel\Tests\Fixtures\Controller;
+
+class NullableController
+{
+    public function action(?string $foo, ?\stdClass $bar, ?string $baz = 'value', $mandatory)
+    {
+    }
+}

vendor/symfony/http-kernel/Tests/Fixtures/Controller/VariadicController.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\HttpKernel\Tests\Fixtures\Controller;
+
+class VariadicController
+{
+    public function action($foo, ...$bar)
+    {
+    }
+}