protected function setupFormatters(OutputFormatterInterface $formatter)
    {
        $formatter->setStyle(
            'file',
            new OutputFormatterStyle('white', 'default', ['bold'])
        );
        $formatter->setStyle(
            'source',
            new OutputFormatterStyle('blue', 'default', [])
        );
        $formatter->setStyle(
            'success',
            new OutputFormatterStyle('white', 'green', [])
        );
    }