public function toCommon(int $amount, bool $format = true): string
    {
        $money          = $this->castMoney($amount, $this->getCurrencySwiftCode());
        $moneyFormatter = new DecimalMoneyFormatter(new ISOCurrencies());

        return ($format) ?
        number_format($moneyFormatter->format($money), 2, '.', ',') :
        $moneyFormatter->format($money);
    }