code: public List<GriddedTile> getGriddedTile() {
  		List<GriddedTile> griddedTile = null;
  		try {
  			if (griddedTileDao.isTableExists()) {
  				griddedTile = griddedTileDao
  						.query(tileMatrixSet.getTableName());
  			}
  		} catch (SQLException e) {
  			throw new GeoPackageException(
  					"Failed to get Gridded Tile for table name: "
  							+ tileMatrixSet.getTableName(), e);
  		}
  		return griddedTile;
  	}
docs: Get the gridded tile
  
  @return gridded tiles