@Nullable public RequestAttempt getFinalAttempt() {
        if (size() > 0) {
            return get(size() - 1);
        } else {
            return null;
        }
    }
User: michaels@netflix.com
Date: 6/25/15
Time: 1:03 PM
zuul-core/src/main/java/com/netflix/zuul/niws/RequestAttempts.java