public function total() : array
    {
        $stats = $this->generate();

        return [
            'Total',
            $stats->sum('number_of_classes'),
            $stats->sum('methods'),
            round($stats->avg('methods_per_class'), 2),
            $stats->sum('lines'),
            $stats->sum('loc'),
            round($stats->avg('loc_per_method'), 2),
        ];
    }