RecurringCharge.fromXml constructor
      
      RecurringCharge.fromXml(
    
    
- XmlElement elem
Implementation
factory RecurringCharge.fromXml(_s.XmlElement elem) {
  return RecurringCharge(
    recurringChargeAmount:
        _s.extractXmlDoubleValue(elem, 'RecurringChargeAmount'),
    recurringChargeFrequency:
        _s.extractXmlStringValue(elem, 'RecurringChargeFrequency'),
  );
}