Schedule properties are shown as unknown

[fbricon]

According to https://quarkus.io/guides/scheduler-reference, given an @Scheduled method using a {myMethod.cron.expr} property, such as:

@ApplicationScoped
public class Scheduler {
    @Scheduled(cron = "{myMethod.cron.expr}")
    public void run() {
        System.err.println("Ran at "+new Date());
    }
}

with application.properties containing:

myMethod.cron.expr=0 15 10 * * ?

myMethod.cron.expr appears to be unknown: