I wonder if the hack described below can be applied to Elemental2 union types:
https://blog.jooq.org/2016/02/16/an-ingenious-workaround-to-emulate-sum-types-in-java/ -- You received this message because you are subscribed to the Google Groups "GWT Contributors" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/google-web-toolkit-contributors/fe6e7cc4-16fe-4975-8087-fc07ba1bc5a8%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
