That link above is for the Meltano-side config. But in SDK,
@edgar_ramirez_mondragon also recently created a PR that would add "oneOf" and "anyOf" support for SDK JSON Schema type helpers:
https://github.com/meltano/sdk/pull/1525
Feedback much appreciated 👍
@edgar_ramirez_mondragon - I added this for office hours discussion next week! Thanks again for creating this, and my apologies to still have it on hold pending more eyeballs. 🙂