public function outputTitle($title, $primary = true)
    {
        $l = strlen($title);
        if ($primary) {
            $this->output->outputLine(str_repeat('-', $l), 'title');
        }
        $this->output->outputLine($title, $primary ? 'title' : 'subtitle');
        if ($primary) {
            $this->output->outputLine(str_repeat('-', $l), 'title');
        }
    }