I mean, what if the type I deserialize into is the same (my current domain object type), but I have to deserialize two (or more) different versions of json into

I mean, what if the type I deserialize into is the same (my current domain object type), but I have to deserialize two (or more) different versions of json into it. I think what you linked is the case where my domain object type is either A or B - but that's not what I meant.