docs: private static double deltaLat(double deltaPixel, double lat, byte zoom, int tileSize) {
          long mapSize = MercatorProjection.getMapSize(zoom, tileSize);
          double pixelY = MercatorProjection.latitudeToPixelY(lat, mapSize);
          double lat2 = MercatorProjection.pixelYToLatitude(pixelY + deltaPixel, mapSize);
  
          return Math.abs(lat2 - lat);
      }