--- /dev/null
+<?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\DependencyInjection\Argument;
+
+/**
+ * @author Guilhem Niot <guilhem.niot@gmail.com>
+ */
+final class BoundArgument implements ArgumentInterface
+{
+ private static $sequence = 0;
+
+ private $value;
+ private $identifier;
+ private $used;
+
+ public function __construct($value)
+ {
+ $this->value = $value;
+ $this->identifier = ++self::$sequence;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function getValues()
+ {
+ return array($this->value, $this->identifier, $this->used);
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function setValues(array $values)
+ {
+ list($this->value, $this->identifier, $this->used) = $values;
+ }
+}