public override AmazonWebServiceResponse Unmarshall(XmlUnmarshallerContext context) { DescribePlacementGroupsResponse response = new DescribePlacementGroupsResponse(); int targetDepth = 2; while (context.Read()) { if (context.IsStartElement || context.IsAttribute) { if (context.TestExpression("placementGroupSet/item", targetDepth)) { response.PlacementGroups.Add(PlacementGroupUnmarshaller.GetInstance().Unmarshall(context)); continue; } } } return(response); }