The company is still "internally" discussing which services are going away, the source said. Google would cut off all tech support and collaboration for Android and services, however.

We've asked Google for comment. If accurate, though, the suspension would represent a serious blow to Huawei's mobile efforts. Although this shouldn't dent the company's Chinese business much (it can't use Google apps in the country), it depends on access to Google apps to remain competitive with devices like the P30 Pro. So long as the US blacklisting persists, Huawei might have to rely on third-party apps and services just to offer fully functional handsets -- and there's no guarantee customers will be receptive to the change.

For Huawei users' questions regarding our steps to comply w/ the recent US government actions: We assure you while we are complying with all US gov't requirements, services like Google Play & security from Google Play Protect will keep functioning on your existing Huawei device. — Android (@Android) May 20, 2019

Update 5/19 5:15PM ET: Engadget understands that the report is accurate, although there will be a slight reprieve. Updates for Play Services and apps will still go through, as they don't require that Google interacts with Huawei. OS and security updates, however, are strictly off-limits.

Update 5/20 4:55AM ET: Huawei has provided its first response to Google's action: