Hi,
I'm trying to write a service that will return objects to be used at
the client side. I understand that I'll need to create transfer
objects essentially implementing the isSerializable interface so that
GWT can correctly compile and use them. Since, I'm aware that only
primitive types or wrappers of primitive types and collections of
these can be passed along or custom classes that only have such
instance variables, my question is this:

If I have 2 objects

X implements isSerializable
 - int
 - String
 - HashMap<String, String>

Y implements isSerializable
 - int
- String
- List<X>

Can Y be passed successfully using the GWT RPC mechanism?
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