public static CacheSecurityGroupMembershipUnmarshaller GetInstance()
        {
            if (instance == null)
            {
                instance = new CacheSecurityGroupMembershipUnmarshaller();
            }

            return(instance);
        }
        public CacheCluster Unmarshall(XmlUnmarshallerContext context)
        {
            CacheCluster cacheCluster  = new CacheCluster();
            int          originalDepth = context.CurrentDepth;
            int          targetDepth   = originalDepth + 1;

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

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

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

                        continue;
                    }
                    if (context.TestExpression("ConfigurationEndpoint", targetDepth))
                    {
                        cacheCluster.ConfigurationEndpoint = EndpointUnmarshaller.GetInstance().Unmarshall(context);

                        continue;
                    }
                    if (context.TestExpression("ClientDownloadLandingPage", targetDepth))
                    {
                        cacheCluster.ClientDownloadLandingPage = StringUnmarshaller.GetInstance().Unmarshall(context);

                        continue;
                    }
                    if (context.TestExpression("CacheNodeType", targetDepth))
                    {
                        cacheCluster.CacheNodeType = StringUnmarshaller.GetInstance().Unmarshall(context);

                        continue;
                    }
                    if (context.TestExpression("Engine", targetDepth))
                    {
                        cacheCluster.Engine = StringUnmarshaller.GetInstance().Unmarshall(context);

                        continue;
                    }
                    if (context.TestExpression("EngineVersion", targetDepth))
                    {
                        cacheCluster.EngineVersion = StringUnmarshaller.GetInstance().Unmarshall(context);

                        continue;
                    }
                    if (context.TestExpression("CacheClusterStatus", targetDepth))
                    {
                        cacheCluster.CacheClusterStatus = StringUnmarshaller.GetInstance().Unmarshall(context);

                        continue;
                    }
                    if (context.TestExpression("NumCacheNodes", targetDepth))
                    {
                        cacheCluster.NumCacheNodes = IntUnmarshaller.GetInstance().Unmarshall(context);

                        continue;
                    }
                    if (context.TestExpression("PreferredAvailabilityZone", targetDepth))
                    {
                        cacheCluster.PreferredAvailabilityZone = StringUnmarshaller.GetInstance().Unmarshall(context);

                        continue;
                    }
                    if (context.TestExpression("CacheClusterCreateTime", targetDepth))
                    {
                        cacheCluster.CacheClusterCreateTime = DateTimeUnmarshaller.GetInstance().Unmarshall(context);

                        continue;
                    }
                    if (context.TestExpression("PreferredMaintenanceWindow", targetDepth))
                    {
                        cacheCluster.PreferredMaintenanceWindow = StringUnmarshaller.GetInstance().Unmarshall(context);

                        continue;
                    }
                    if (context.TestExpression("PendingModifiedValues", targetDepth))
                    {
                        cacheCluster.PendingModifiedValues = PendingModifiedValuesUnmarshaller.GetInstance().Unmarshall(context);

                        continue;
                    }
                    if (context.TestExpression("NotificationConfiguration", targetDepth))
                    {
                        cacheCluster.NotificationConfiguration = NotificationConfigurationUnmarshaller.GetInstance().Unmarshall(context);

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

                        continue;
                    }
                    if (context.TestExpression("CacheParameterGroup", targetDepth))
                    {
                        cacheCluster.CacheParameterGroup = CacheParameterGroupStatusUnmarshaller.GetInstance().Unmarshall(context);

                        continue;
                    }
                    if (context.TestExpression("CacheSubnetGroupName", targetDepth))
                    {
                        cacheCluster.CacheSubnetGroupName = StringUnmarshaller.GetInstance().Unmarshall(context);

                        continue;
                    }
                    if (context.TestExpression("CacheNodes/CacheNode", targetDepth))
                    {
                        cacheCluster.CacheNodes.Add(CacheNodeUnmarshaller.GetInstance().Unmarshall(context));

                        continue;
                    }
                    if (context.TestExpression("AutoMinorVersionUpgrade", targetDepth))
                    {
                        cacheCluster.AutoMinorVersionUpgrade = BoolUnmarshaller.GetInstance().Unmarshall(context);

                        continue;
                    }
                    if (context.TestExpression("SecurityGroups/member", targetDepth))
                    {
                        cacheCluster.SecurityGroups.Add(SecurityGroupMembershipUnmarshaller.GetInstance().Unmarshall(context));

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



            return(cacheCluster);
        }