default services conflit ?

old.vendor/symfony/serializer/Normalizer/CacheableSupportsMethodInterface.php

@@ -0,0 +1,26 @@
+<?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\Normalizer;
+
+/**
+ * Marker interface for normalizers and denormalizers that use
+ * only the type and the format in their supports*() methods.
+ *
+ * By implementing this interface, the return value of the
+ * supports*() methods will be cached by type and format.
+ *
+ * @author Kévin Dunglas <dunglas@gmail.com>
+ */
+interface CacheableSupportsMethodInterface
+{
+    public function hasCacheableSupportsMethod(): bool;
+}