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