public void addFilterExecutionSummary(String name, String status, long time) {
        StringBuilder sb = getFilterExecutionSummary();
        if (sb.length() > 0) {
            sb.append(", ");
        }
        sb.append(name)
                .append('[')
                .append(status)
                .append(']')
                .append('[')
                .append(time)
                .append("ms]");
    }
appends filter name and status to the filter execution history for the
current request
zuul-core/src/main/java/com/netflix/zuul/context/SessionContext.java