public function asInteger($value, $options = [], $textOptions = [])
    {
        if ($value === null) {
            return $this->nullDisplay;
        }
        $value = $this->normalizeNumericValue($value);
        if ($this->_intlLoaded) {
            $f = $this->createNumberFormatter(NumberFormatter::DECIMAL, null, $options, $textOptions);
            $f->setAttribute(NumberFormatter::FRACTION_DIGITS, 0);
            if (($result = $f->format($value, NumberFormatter::TYPE_INT64)) === false) {
                throw new InvalidParamException('Formatting integer value failed: ' . $f->getErrorCode() . ' ' . $f->getErrorMessage());
            }
            return $result;
        } else {
            return number_format((int) $value, 0, $this->decimalSeparator, $this->thousandSeparator);
        }
    }