@Override
    public DefaultServiceConfigSetters accessLogWriter(
            AccessLogWriter accessLogWriter, boolean shutdownOnStop) {
        requireNonNull(accessLogWriter, "accessLogWriter");
        if (this.accessLogWriter != null) {
            this.accessLogWriter = this.accessLogWriter.andThen(accessLogWriter);
        } else {
            this.accessLogWriter = accessLogWriter;
        }
        if (shutdownOnStop) {
            shutdownSupports.add(ShutdownSupport.of(accessLogWriter));
        }
        return this;
    }
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