From an internal Google discussion: "TBH, given what you seem to want to do (not have any contact with any Google service whatsoever), your only option is flashing LineageOS for microG on your phone" https://www.azag.gov/sites/default/files/2021-05/Chai_Exhibit_201.pdf
@eighthave wow lineageOS 4microG was just a 3/4 year old when that was written
https://web.archive.org/web/20210531014835/https://www.azag.gov/sites/default/files/2021-05/Chai_Exhibit_201.pdf
@eighthave kannst du das bitte wo hochladen?