public function dir(OutputInterface $output, $response)
    {
        if (empty($response)) {
            $output->writeln('<error>No analysers detected.</error>');
        } else {
            $headers = array('Analyser Name', 'Analyser Class');
            $rows    = array();

            foreach ($response as $name => $class) {
                $rows[] = array($name, $class);
            }

            $this->tableHelper($output, $headers, $rows);
        }
    }