I can tell you never have, because there's no such thing as a generic OAuth2 implementation. They're all slightly different and incompatible. SAML is what you r

I can tell you never have, because there's no such thing as a generic OAuth2 implementation. They're all slightly different and incompatible. SAML is what you really want in terms of making things works more generically, but even that is generally a nightmare as you still need mappings.