--- /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\Loader\Configurator\Traits;
+
+use Symfony\Component\DependencyInjection\Exception\InvalidArgumentException;
+
+trait DeprecateTrait
+{
+ /**
+ * Whether this definition is deprecated, that means it should not be called anymore.
+ *
+ * @param string $template Template message to use if the definition is deprecated
+ *
+ * @return $this
+ *
+ * @throws InvalidArgumentException when the message template is invalid
+ */
+ final public function deprecate($template = null)
+ {
+ $this->definition->setDeprecated(true, $template);
+
+ return $this;
+ }
+}