@Override
    public void done(RouteMetricSet metrics) {
        try {
            output.println("\n");
            renderStatusText(metrics, output);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
Class that takes progress from the feed and prints to a stream.
vespaclient-java/src/main/java/com/yahoo/vespafeeder/ProgressPrinter.java