private void scheduleNextFetch(EventLoop executorService) {
        scheduledFuture = executorService.schedule(this::fetchRegistry,
                                                   registryFetchIntervalMillis, TimeUnit.MILLISECONDS);
    }
Returns a new {@link EurekaEndpointGroupBuilder} created with the specified {@link HttpPreprocessor}
and path.
eureka/src/main/java/com/linecorp/armeria/client/eureka/EurekaEndpointGroup.java