Readonly attributes are a challenge in the client

[stomli]

Is it possible for the client to "know" which attributes are readonly and to not submit these when "sync"ing?

I have a resource with a couple readonly attributes, on the server I modify the resource in beforecreate to fill these attributes. Works great at creation, however if I know get that resource and do any update to it, it fails as the client submits all the readonly attributes that came down with the resource.