protected function loadFeeIds($feeIds)
    {
        if (is_null($this->feeIdDescription)) {
            $this->feeIdDescription = new FeeIdDescription();
        }
        foreach ($feeIds as $feeId) {
            $this->feeIdDescription->feeId[] = new FeeId($feeId->type, $feeId->number);
        }
    }