public function raw(array $attributes = [])
    {
        if ($this->amount === null) {
            return $this->getRawAttributes($attributes);
        }

        if ($this->amount < 1) {
            return [];
        }

        return array_map(function () use ($attributes) {
            return $this->getRawAttributes($attributes);
        }, range(1, $this->amount));
    }