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

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

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

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

                        continue;
                    }
                    if (context.TestExpression("ForwardedValues", targetDepth))
                    {
                        defaultCacheBehavior.ForwardedValues = ForwardedValuesUnmarshaller.GetInstance().Unmarshall(context);

                        continue;
                    }
                    if (context.TestExpression("TrustedSigners", targetDepth))
                    {
                        defaultCacheBehavior.TrustedSigners = TrustedSignersUnmarshaller.GetInstance().Unmarshall(context);

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

                        continue;
                    }
                    if (context.TestExpression("MinTTL", targetDepth))
                    {
                        defaultCacheBehavior.MinTTL = LongUnmarshaller.GetInstance().Unmarshall(context);

                        continue;
                    }
                    if (context.TestExpression("AllowedMethods", targetDepth))
                    {
                        defaultCacheBehavior.AllowedMethods = AllowedMethodsUnmarshaller.GetInstance().Unmarshall(context);

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



            return(defaultCacheBehavior);
        }