From: <gunnar.morling_at_googlemail.com>
Date: Thu, 9 Mar 2017 16:38:27 +0000 (UTC)

> Here is a working sample (I tested it):

Thanks!

>
> javax.json.bind.adapter.JsonbAdapter<Blog, String> { ... }

So one adapter per unmarshalled type would be needed for that? I'd hope
we could find a way for needing only a single adapter (as the
implementation would be the same for all of them really). That's why I
tried with with <Object, Object>, but to no avail.