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Much of the "What's new in Managing Devices" session was spend on Extensible SSO, which seems very interesting. https://developer.apple.com/documentation/devicemanagement/extensiblesinglesignonssoI understand that this is not the same as "Sign in with Apple."Are there resources for sample code for SSO extensions? What's the API that apps will need to take advantage of the SSO extensions? ASWebAuthenticationSession or something else? Specifically, I'm trying to get a sense of how much effort existing apps will need to adopt this system, and how quickly SSO providers will be providing solutions.Thanks!Aaron