Response Unmarshaller for ListGroupsForUser operation
상속: XmlResponseUnmarshaller
 public static ListGroupsForUserResponseUnmarshaller GetInstance()
 {
     if (instance == null)
     {
        instance = new ListGroupsForUserResponseUnmarshaller();
     }
     return instance;
 }
 public static ListGroupsForUserResponseUnmarshaller GetInstance()
 {
     if (instance == null)
     {
         instance = new ListGroupsForUserResponseUnmarshaller();
     }
     return(instance);
 }