code: public MultiPolygonMarkers addMultiPolygonToMapAsMarkers(
              GoogleMapShapeMarkers shapeMarkers, GoogleMap map,
              MultiPolygonOptions multiPolygon,
              MarkerOptions polygonMarkerOptions,
              MarkerOptions polygonMarkerHoleOptions,
              PolygonOptions globalPolygonOptions) {
          MultiPolygonMarkers multiPolygonMarkers = new MultiPolygonMarkers();
          for (PolygonOptions polygon : multiPolygon.getPolygonOptions()) {
              PolygonMarkers polygonMarker = addPolygonToMapAsMarkers(
                      shapeMarkers, map, polygon, polygonMarkerOptions,
                      polygonMarkerHoleOptions, globalPolygonOptions);
              shapeMarkers.add(polygonMarker);
              multiPolygonMarkers.add(polygonMarker);
          }
          return multiPolygonMarkers;
      }
docs: Add a MultiPolygonOptions to the map as markers
  
  @param shapeMarkers             google map shape markers
  @param map                      google map
  @param multiPolygon             multi polygon options
  @param polygonMarkerOptions     polygon marker options
  @param polygonMarkerHoleOptions polygon marker hole options
  @param globalPolygonOptions     global polygon options
  @return multi polygon markers