InterfaceLevelResponse.fromXML constructor
      
      InterfaceLevelResponse.fromXML(
    
    
- String xmlSTR
Implementation
factory InterfaceLevelResponse.fromXML(String xmlSTR) {
  final document = XmlDocument.parse(xmlSTR);
  document.findElements("messageName");
  String result = document.rootElement.childElements.first.attributes
      .firstWhere((p0) => p0.name.toString() == "result")
      .value;
  return InterfaceLevelResponse(
    result: result,
    // xsi: xsi,
  );
}