public void addCookie(JDiscCookieWrapper cookie) {
        if (cookie != null) {
            List<Cookie> cookies = new ArrayList<>();
            // Get current set of cookies first
            List<Cookie> c = getCookies();
            if (c != null && !c.isEmpty()) {
                cookies.addAll(c);
            }
            cookies.add(cookie.getCookie());
            setCookies(cookies);
        }
    }
Can be called multiple times to add Cookies
container-core/src/main/java/com/yahoo/jdisc/http/filter/DiscFilterRequest.java