spring-auth-demo/security-7-migration/src/compat/NewManager.java

import org.springframework.security.authorization.AuthorizationManager;
import org.springframework.security.authorization.AuthorizationResult;
import org.springframework.security.authorization.AuthorizationDecision;
import org.springframework.security.core.Authentication;
import org.springframework.security.web.access.intercept.RequestAuthorizationContext;

import java.util.function.Supplier;

/** The Security 7 shape of a custom AuthorizationManager. There is no single source that compiles on both lines. */
class NewManager implements AuthorizationManager<RequestAuthorizationContext> {
    @Override
    public AuthorizationResult authorize(Supplier<? extends Authentication> authentication, RequestAuthorizationContext ctx) {
        return new AuthorizationDecision(authentication.get().isAuthenticated());
    }
}