static OAuth20CallbackAuthorizeViewResolver asDefault() {
        return (ctx, manager, url) -> new ModelAndView(new RedirectView(url));
    }
Default OAuth 2.0 callback authorize view resolver.

@return the OAuth callback authorize view resolver
support/cas-server-support-oauth-core-api/src/main/java/org/apereo/cas/support/oauth/web/views/OAuth20CallbackAuthorizeViewResolver.java