@Override
    public Cookies parseCookies() {
        if (parsedCookies == null) {
            parsedCookies = reParseCookies();
        }
        return parsedCookies;
    }
Note: this is meant to be used typically in cases where TLS termination happens on instance.
For CLB/ALB fronted traffic, consider using {@link #getOriginalScheme()} instead.
zuul-core/src/main/java/com/netflix/zuul/message/http/HttpRequestMessageImpl.java