Actualización

vendor/symfony/serializer/Exception/ExtraAttributesException.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\Exception;
+
+/**
+ * ExtraAttributesException.
+ *
+ * @author Julien DIDIER <julien@didier.io>
+ */
+class ExtraAttributesException extends RuntimeException
+{
+    private $extraAttributes;
+
+    public function __construct(array $extraAttributes, \Exception $previous = null)
+    {
+        $msg = sprintf('Extra attributes are not allowed ("%s" are unknown).', implode('", "', $extraAttributes));
+
+        $this->extraAttributes = $extraAttributes;
+
+        parent::__construct($msg, 0, $previous);
+    }
+
+    /**
+     * Get the extra attributes that are not allowed.
+     *
+     * @return array
+     */
+    public function getExtraAttributes()
+    {
+        return $this->extraAttributes;
+    }
+}