public List<Cookie> getUntreatedCookies() {
        if (untreatedCookies == null) {
            this.untreatedCookies = parent.decodeCookieHeader();
        }
        return Collections.unmodifiableList(untreatedCookies);
    }
Returns the untreatedCookies from
parent request
container-core/src/main/java/com/yahoo/jdisc/http/filter/DiscFilterRequest.java