code: public BoundingBox boundingBoxFromWebMercator(BoundingBox boundingBox) {
          if (projection == null) {
              throw new GeoPackageException("Shape Converter projection is null");
          }
          return boundingBox.transform(fromWebMercator);
      }
docs: Transform the bounding box in web mercator to the feature projection
  
  @param boundingBox bounding box in web mercator
  @return bounding box in the feature projection