AuthenticationServices watchOS 6.1 to 6.2 API Differences

ASCredentialProviderExtensionContext.h
Removed ASExtensionErrorCodeFailed
Removed ASExtensionErrorCodeUserCanceled
Removed ASExtensionErrorCodeUserInteractionRequired
Removed ASExtensionErrorCodeCredentialIdentityNotFound
ASWebAuthenticationSession.h
Added ASWebAuthenticationSessionErrorDomain
Added ASWebAuthenticationSessionErrorCodeCanceledLogin
Added ASWebAuthenticationSession
Added -[ASWebAuthenticationSession initWithURL:callbackURLScheme:completionHandler:]
Added ASWebAuthenticationSession.prefersEphemeralWebBrowserSession
Added ASWebAuthenticationSession.canStart
Added -[ASWebAuthenticationSession start]
Added -[ASWebAuthenticationSession cancel]