public SignedInfoType() {
     this.referenceField = new ObservableCollection<ReferenceType>();
     this.signatureMethodField = new SignatureMethodType();
     this.canonicalizationMethodField = new CanonicalizationMethodType();
 }
 public SignedInfoType()
 {
     this.referenceField              = new ObservableCollection <ReferenceType>();
     this.signatureMethodField        = new SignatureMethodType();
     this.canonicalizationMethodField = new CanonicalizationMethodType();
 }