Why Retry is not triggered when I use resilience4j functional configuration?

I had successful experiments with spring boot configuration for resillence4j but I want to try functional configuration.

So I have implemented following code:

    RetryConfig config = RetryConfig.custom()
            .maxAttempts(6)
            .waitDuration(Duration.ofMillis(100))
            .build();

    RetryRegistry registry = RetryRegistry.of(config);

    Retry retry = registry.retry("name1");
    Retry.decorateCheckedSupplier(retry, myService::bar);

    myService.bar();

@Service
@Slf4j
public class MyService {
    public String bar() throws InterruptedException {
        log.error("Bar is called");
        Thread.sleep(3000);
        if (true) {
            throw new RuntimeException("bar exception");
        }
        return "Success";
    }
}

When I start the application I see single error:

Exception in thread "main" java.lang.RuntimeException: bar exception

Why retry was not triggered ?

The issue was that I had to use decorator instead of raw function. Correct implemtation is:

CheckedFunction0<String> decoratedFunction = Retry.decorateCheckedSupplier(retry, myService::bar);
decoratedFunction.apply();