public static void setEndpoint(
            HttpRequestMessage zuulReq, ZuulFilter<HttpRequestMessage, HttpResponseMessage> endpoint) {
        zuulReq.getContext().put(CommonContextKeys.ZUUL_ENDPOINT, endpoint);
    }
This class is supposed to be thread safe and hence should not have any non final member variables
Created by saroskar on 5/18/17.
zuul-core/src/main/java/com/netflix/zuul/netty/filter/ZuulEndPointRunner.java