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

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

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

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

            return(response);
        }
        private static void UnmarshallResult(XmlUnmarshallerContext context, ImportInstallationMediaResponse 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("CustomAvailabilityZoneId", targetDepth))
                    {
                        var unmarshaller = StringUnmarshaller.Instance;
                        response.CustomAvailabilityZoneId = unmarshaller.Unmarshall(context);
                        continue;
                    }
                    if (context.TestExpression("Engine", targetDepth))
                    {
                        var unmarshaller = StringUnmarshaller.Instance;
                        response.Engine = unmarshaller.Unmarshall(context);
                        continue;
                    }
                    if (context.TestExpression("EngineInstallationMediaPath", targetDepth))
                    {
                        var unmarshaller = StringUnmarshaller.Instance;
                        response.EngineInstallationMediaPath = unmarshaller.Unmarshall(context);
                        continue;
                    }
                    if (context.TestExpression("EngineVersion", targetDepth))
                    {
                        var unmarshaller = StringUnmarshaller.Instance;
                        response.EngineVersion = unmarshaller.Unmarshall(context);
                        continue;
                    }
                    if (context.TestExpression("FailureCause", targetDepth))
                    {
                        var unmarshaller = InstallationMediaFailureCauseUnmarshaller.Instance;
                        response.FailureCause = unmarshaller.Unmarshall(context);
                        continue;
                    }
                    if (context.TestExpression("InstallationMediaId", targetDepth))
                    {
                        var unmarshaller = StringUnmarshaller.Instance;
                        response.InstallationMediaId = unmarshaller.Unmarshall(context);
                        continue;
                    }
                    if (context.TestExpression("OSInstallationMediaPath", targetDepth))
                    {
                        var unmarshaller = StringUnmarshaller.Instance;
                        response.OSInstallationMediaPath = unmarshaller.Unmarshall(context);
                        continue;
                    }
                    if (context.TestExpression("Status", targetDepth))
                    {
                        var unmarshaller = StringUnmarshaller.Instance;
                        response.Status = unmarshaller.Unmarshall(context);
                        continue;
                    }
                }
            }

            return;
        }