@Override
    public DnsQueryLifecycleObserver newDnsQueryLifecycleObserver(DnsQuestion question) {
        return new DefaultDnsQueryLifecycleObserver(meterRegistry, question, meterIdPrefix);
    }
A {@link DnsQueryLifecycleObserverFactory} factory that helps create DnsQueryLifecycleObserver.
core/src/main/java/com/linecorp/armeria/client/DefaultDnsQueryLifecycleObserverFactory.java