TryReadElementFromXml method
Implementation
@override
Future<bool> TryReadElementFromXml(EwsServiceXmlReader reader) async {
  bool result = await super.TryReadElementFromXml(reader);
  if (!result) {
    if (reader.LocalName == XmlElementNames.DateTime) {
      this._dateTime =
          core.DateTime.parse((await reader.ReadElementValue<String>())!);
      result = true;
    }
  }
  return result;
}