Edit File: ArgumentTrait.php
<?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; trait ArgumentTrait { /** * Sets the arguments to pass to the service constructor/factory method. * * @return $this */ final public function args(array $arguments): self { $this->definition->setArguments(static::processValue($arguments, true)); return $this; } /** * Sets one argument to pass to the service constructor/factory method. * * @param string|int $key * @param mixed $value * * @return $this */ final public function arg($key, $value): self { $this->definition->setArgument($key, static::processValue($value, true)); return $this; } }