@Benchmark
    public Object resolveLocalhost() throws Exception {
        return endpointGroup.whenReady().get();
    }
Microbenchmarks of a {@link com.linecorp.armeria.client.endpoint.dns.DnsAddressEndpointGroup}.
benchmarks/jmh/src/jmh/java/com/linecorp/armeria/core/client/endpoint/DnsEndpointGroupBenchmark.java