I have to rip all Jackson stuff out, rename modules, create more service loaders, etc.
A big refactoring which takes days.
The adapters (jackson and jsonb) have quite some logic. Similar to what #jjwt does, but the JSON API response is much more complicated.

Blog post:
How to use #jjwt (by @lhazlewood@twitter.com) with #Jakarta #jsonb (Bind-API). Works with both Eclipse Yasson (used by @OpenLibertyIO@twitter.com) and Apache Johnzon.

https://blog.bmarwell.de/2022/05/12/using-jjwt-with-jakarta-jsonb.html