All these things that claim to be an alternative to GitHub Copilot, none of them seem to work in VS2022... So how is it really an alternative? All I want is a

All these things that claim to be an alternative to GitHub Copilot, none of them seem to work in VS2022... So how is it really an alternative? All I want is a self-hosted AI assistant for VS2022. VS2022 supports plugins yes, so what gives?