Inheritance: DocumentReference
 public MaintenanceActionInformationSoftwareMaintained()
 {
     this.warranty1Field      = new List <Warranty>();
     this.itemMaintainedField = new ItemMaintained();
 }
 public MaintenanceActionInformationSoftwareMaintained()
 {
     this.warranty1Field = new List<Warranty>();
     this.itemMaintainedField = new ItemMaintained();
 }