/// <summary>
        /// Unmarshaller the response from the service to the response class.
        /// </summary>
        /// <param name="context"></param>
        /// <returns></returns>
        public override AmazonWebServiceResponse Unmarshall(XmlUnmarshallerContext context)
        {
            DescribeStackDriftDetectionStatusResponse response = new DescribeStackDriftDetectionStatusResponse();

            context.Read();
            int targetDepth = context.CurrentDepth;

            while (context.ReadAtDepth(targetDepth))
            {
                if (context.IsStartElement)
                {
                    if (context.TestExpression("DescribeStackDriftDetectionStatusResult", 2))
                    {
                        UnmarshallResult(context, response);
                        continue;
                    }

                    if (context.TestExpression("ResponseMetadata", 2))
                    {
                        response.ResponseMetadata = ResponseMetadataUnmarshaller.Instance.Unmarshall(context);
                    }
                }
            }

            return(response);
        }
        private static void UnmarshallResult(XmlUnmarshallerContext context, DescribeStackDriftDetectionStatusResponse response)
        {
            int originalDepth = context.CurrentDepth;
            int targetDepth   = originalDepth + 1;

            if (context.IsStartOfDocument)
            {
                targetDepth += 2;
            }

            while (context.ReadAtDepth(originalDepth))
            {
                if (context.IsStartElement || context.IsAttribute)
                {
                    if (context.TestExpression("DetectionStatus", targetDepth))
                    {
                        var unmarshaller = StringUnmarshaller.Instance;
                        response.DetectionStatus = unmarshaller.Unmarshall(context);
                        continue;
                    }
                    if (context.TestExpression("DetectionStatusReason", targetDepth))
                    {
                        var unmarshaller = StringUnmarshaller.Instance;
                        response.DetectionStatusReason = unmarshaller.Unmarshall(context);
                        continue;
                    }
                    if (context.TestExpression("DriftedStackResourceCount", targetDepth))
                    {
                        var unmarshaller = IntUnmarshaller.Instance;
                        response.DriftedStackResourceCount = unmarshaller.Unmarshall(context);
                        continue;
                    }
                    if (context.TestExpression("StackDriftDetectionId", targetDepth))
                    {
                        var unmarshaller = StringUnmarshaller.Instance;
                        response.StackDriftDetectionId = unmarshaller.Unmarshall(context);
                        continue;
                    }
                    if (context.TestExpression("StackDriftStatus", targetDepth))
                    {
                        var unmarshaller = StringUnmarshaller.Instance;
                        response.StackDriftStatus = unmarshaller.Unmarshall(context);
                        continue;
                    }
                    if (context.TestExpression("StackId", targetDepth))
                    {
                        var unmarshaller = StringUnmarshaller.Instance;
                        response.StackId = unmarshaller.Unmarshall(context);
                        continue;
                    }
                    if (context.TestExpression("Timestamp", targetDepth))
                    {
                        var unmarshaller = DateTimeUnmarshaller.Instance;
                        response.Timestamp = unmarshaller.Unmarshall(context);
                        continue;
                    }
                }
            }

            return;
        }