docs: public static MultiPolyline addPolylinesToMap(MapView map,
                                                    List<Polyline> polylines) {
          MultiPolyline multiPolyline = new MultiPolyline();
  
          for (Polyline line : polylines) {
              if (line.getInfoWindow()==null)
              line.setInfoWindow(new BasicInfoWindow(R.layout.bonuspack_bubble, map));
              map.getOverlayManager().add(line);
              multiPolyline.add(line);
          }
          return multiPolyline;
      }