Controller.php

<?php

namespace EzSystems\TestBundle\Controller;

use eZ\Bundle\EzPublishCoreBundle\Controller;
use Symfony\Component\HttpFoundation\Response;

class DefaultController extends Controller
{
    public function indexAction()
    {
        $configResolver = $this->getConfigResolver();
        $param1 = [
            $configResolver->getParameter('include_content_types', 'ez_systems_test'),
            $configResolver->getParameter('other_setting', 'ez_systems_test')
        ];
        $param2 = [
            $configResolver->getParameter('include_content_types', 'ez_systems_test', 'eng'),
            $configResolver->getParameter('other_setting', 'ez_systems_test', 'eng')
        ];
        $param3 = [
            $configResolver->getParameter('include_content_types', 'ez_systems_test', 'nor'),
            $configResolver->getParameter('other_setting', 'ez_systems_test', 'nor')
        ];
        $param4 = [
            $configResolver->getParameter('include_content_types', 'ez_systems_test', 'pol'),
            $configResolver->getParameter('other_setting', 'ez_systems_test', 'pol')
        ];
        $param5 = [
            $configResolver->getParameter('include_content_types', 'ez_systems_test', 'ezdemo_site'),
            $configResolver->getParameter('other_setting', 'ez_systems_test', 'ezdemo_site')
        ];
        var_dump($param1, $param2, $param3, $param4, $param5);
        return new Response();
    }
}