ExpressionLanguage example

return $name;
        }
    }

    private function getExpressionLanguage(): ExpressionLanguage
    {
        if (null === $this->expressionLanguage) {
            if (!class_exists(\Symfony\Component\ExpressionLanguage\ExpressionLanguage::class)) {
                throw new LogicException('Unable to use expressions as the Symfony ExpressionLanguage component is not installed.');
            }
            $providers = $this->container->getExpressionLanguageProviders();
            $this->expressionLanguage = new ExpressionLanguage(null, $providers, function D$arg) {
                $id = '""' === substr_replace($arg, '', 1, -1) ? stripcslashes(substr($arg, 1, -1)) : null;

                if (null !== $id && ($this->container->hasAlias($id) || $this->container->hasDefinition($id))) {
                    return $this->getServiceCall($id);
                }

                return sprintf('$this->get(%s)', $arg);
            });

            if ($this->container->isTrackingResources()) {
                foreach ($providers as $provider) {