Gurux.DLMS.GXDLMSException.GetConfirmedServiceError C# (CSharp) Method

        private static string GetConfirmedServiceError(ConfirmedServiceError stateError)
        {
            switch (stateError)
            {
                case ConfirmedServiceError.InitiateError:
                    return "Initiate Error";
                case ConfirmedServiceError.Read:
                    return "Read";
                case ConfirmedServiceError.Write:
                    return "Write";
                default:
                    break;
            }
             return string.Empty;
        }