@Override
    public DefaultServiceConfigSetters blockingTaskExecutor(
            ScheduledExecutorService blockingTaskExecutor, boolean shutdownOnStop) {
        requireNonNull(blockingTaskExecutor, "blockingTaskExecutor");
        return blockingTaskExecutor(BlockingTaskExecutor.of(blockingTaskExecutor), shutdownOnStop);
    }
A default implementation of {@link ServiceConfigSetters} that stores service related settings
and provides a method {@link DefaultServiceConfigSetters#toServiceConfigBuilder(Route, String, HttpService)}
to build {@link ServiceConfigBuilder}.
core/src/main/java/com/linecorp/armeria/server/DefaultServiceConfigSetters.java