@UnstableApi
    public static EurekaUpdatingListener of(HttpPreprocessor preprocessor) {
        return new EurekaUpdatingListenerBuilder(preprocessor, null).build();
    }
Returns a new {@link EurekaUpdatingListener} which registers the current {@link Server} using
the specified {@link HttpPreprocessor}.
eureka/src/main/java/com/linecorp/armeria/server/eureka/EurekaUpdatingListener.java