@Override
            public void handle(Void result) {
                endHandler.handle(result);
                connected = false;
                finished = true;
            }
@see io.apiman.gateway.engine.io.IReadStream#endHandler(io.apiman.gateway.engine.async.IAsyncHandler)
gateway/engine/policies/src/main/java/io/apiman/gateway/engine/policies/caching/CacheConnectorInterceptor.java