@Override
    public void invokeAsync(Request request, Duration jrtTimeout, RequestWaiter requestWaiter) {
        getTarget().invokeAsync(request, jrtTimeout, requestWaiter);
    }
A JRT connection to a config server or config proxy.

@author Gunnar Gauslaa Bergem
@author hmusum
config/src/main/java/com/yahoo/vespa/config/JRTConnection.java