docs: private double createZoom(RouteInformation routeInformation) {
      CameraPosition position = createCameraPosition(routeInformation.location(), routeInformation.routeProgress());
      if (position.zoom > MAX_CAMERA_ZOOM) {
        return MAX_CAMERA_ZOOM;
      } else if (position.zoom < MIN_CAMERA_ZOOM) {
        return MIN_CAMERA_ZOOM;
      }
      return position.zoom;
    }