Artūras J

If I understand you correctly, it should be enough to implement a class (lets say `CustomUserDetailsService`) that implements `UserDetailsService` and just pass it to `AuthorizationServerEndpointsConfigurer`?

Good. `UserDetailsService` is an interface that has one method `loadUserByUsername(String username)`. If I use more than one external providers there will be more than one user info endpoints. How do...

> The custom AM can assume that the incoming Authentication is the user's full Authentication, which will include details of the provider (e.g. the Map of user details originally obtained...