public function toArray()
    {
        return [
            'hard_quota' => $this->getHardQuota(),
            'soft_quota' => $this->getSoftQuota(),
            'soft_quota_percent' => $this->getSoftQuotaPercent(),
            'usage' => $this->getUsage(),
            'usage_percent' => $this->getUsagePercent(),
            'remaining_soft_quota' => $this->getRemainingSoftQuota(),
            'remaining_soft_quota_percent' => $this->getRemainingSoftQuotaPercent(),
            'remaining_hard_quota' => $this->getRemainingHardQuota(),
            'remaining_hard_quota_percent' => $this->getRemainingHardQuotaPercent(),
        ];
    }