public void decrementCurrentRequests() {
        int value = this.currentRequests.decrementAndGet();
        updateGauge(currentRequestsId, value);
    }
User: michaels@netflix.com
Date: 2/7/17
Time: 3:18 PM
zuul-core/src/main/java/com/netflix/netty/common/metrics/EventLoopMetrics.java