@UnstableApi
    public static EurekaUpdatingListenerBuilder builder(HttpPreprocessor preprocessor) {
        return new EurekaUpdatingListenerBuilder(preprocessor, null);
    }
Returns a new {@link EurekaUpdatingListenerBuilder} created with the specified {@link HttpPreprocessor}.
eureka/src/main/java/com/linecorp/armeria/server/eureka/EurekaUpdatingListener.java