public override AmazonWebServiceResponse Unmarshall(XmlUnmarshallerContext context)
        {
            DescribeCacheSecurityGroupsResponse response = new DescribeCacheSecurityGroupsResponse();

            while (context.Read())
            {
                if (context.IsStartElement)
                {
                    if (context.TestExpression("DescribeCacheSecurityGroupsResult", 2))
                    {
                        response.DescribeCacheSecurityGroupsResult = DescribeCacheSecurityGroupsResultUnmarshaller.GetInstance().Unmarshall(context);
                        continue;
                    }
                    if (context.TestExpression("ResponseMetadata", 2))
                    {
                        response.ResponseMetadata = ResponseMetadataUnmarshaller.GetInstance().Unmarshall(context);
                    }
                }
            }


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

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

            while (context.Read())
            {
                if (context.IsStartElement || context.IsAttribute)
                {
                    if (context.TestExpression("Marker", targetDepth))
                    {
                        response.Marker = StringUnmarshaller.GetInstance().Unmarshall(context);

                        continue;
                    }
                    if (context.TestExpression("CacheSecurityGroups/CacheSecurityGroup", targetDepth))
                    {
                        response.CacheSecurityGroups.Add(CacheSecurityGroupUnmarshaller.GetInstance().Unmarshall(context));

                        continue;
                    }
                }
                else if (context.IsEndElement && context.CurrentDepth < originalDepth)
                {
                    return;
                }
            }



            return;
        }