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I always avoid this by passing only the required IDs around (the IDs of the constituent resources). But in theory you could either marshal and unmarshal the ComponentResource youself, or provide a "read-only" flag and write code that gets all the constituent resources, instead of newing them.

However, there is no built-in way of doing this.

(If someone were to write a general-purpose typescript marshaller/unmarshaller and come up with a nice pattern to choose between newing and unmarshalling, I know I'd use it!)

If I understand correctly you are suggesting returning "native" ID of the created resource and using GetXyz to retrieve the resource elsewhere.

Yes, that's one way of doing it. Or just storing the IDs, and deferring retrieving until it's actually needed. It often isn't: in a lot of cases, only the IDs of the resources are ever used.