GraphHopperConfig.java

    private final PMap hints =
            new PMap(ImmutableMap.of("calc_points", "false", "instructions", "false"));
    private GraphHopper initGraphHopper() {
        return new GraphHopperOSM()
                .setDataReaderFile("gh/hungary.osm.pbf")
                .setGraphHopperLocation("gh")
                .setEncodingManager(EncodingManager.create("car"))
                .forDesktop()
                .setMinNetworkSize(200, 200) // https://discuss.graphhopper.com/t/93
                .importOrLoad();
    }