class FormattedDecimalFieldToStringConverter extends FormattedNumberToStringConverter<Decimal> {

    @Override
    public String convertToPresentation(@CheckForNull Decimal value, ValueContext context) {
        if (value == null || value.isNull()) {
            return "";
        } else {
            return super.convertToPresentation(value, context);
        }
    }

    public  FormattedDecimalFieldToStringConverter(String format);

}