public function totals()
    {
        if ($this->hasSoftDeleting()) {
            return [
                        'all' => $this->items($count = true),
                        'with_trashed' => $this->allItems($count = true),
                        'only_trashed' => $this->onlyTrashedItems($count = true),
                    ];
        }

        return ['all' => $this->items($count = true)];
    }