docs: public static void writeRoadNetwork(Element xmlNode, RoadNetwork primitive, URL geometryURL,
  			MapMetricProjection mapProjection, URL attributeURL, XMLBuilder builder,
  			PathBuilder pathBuilder, XMLResources resources) throws IOException {
  		final ContainerWrapper w = new ContainerWrapper(primitive);
  		w.setElementGeometrySource(geometryURL, mapProjection);
  		w.setElementAttributeSourceURL(attributeURL);
  		writeGISElementContainer(xmlNode,
  				w, NODE_ROAD, builder, pathBuilder, resources);
  		final Rectangle2d bounds = primitive.getBoundingBox();
  		if (bounds != null) {
  			xmlNode.setAttribute(ATTR_X, Double.toString(bounds.getMinX()));
  			xmlNode.setAttribute(ATTR_Y, Double.toString(bounds.getMinY()));
  			xmlNode.setAttribute(ATTR_WIDTH, Double.toString(bounds.getWidth()));
  			xmlNode.setAttribute(ATTR_HEIGHT, Double.toString(bounds.getHeight()));
  		}
  	}