code: public TableIndex getTableIndex() {
  
  		TableIndex tableIndex = null;
  		try {
  			if (tableIndexDao.isTableExists()) {
  				tableIndex = tableIndexDao.queryForId(tableName);
  			}
  		} catch (SQLException e) {
  			throw new GeoPackageException(
  					"Failed to query for Table Index for GeoPackage: "
  							+ geoPackage.getName() + ", Table Name: "
  							+ tableName + ", Column Name: " + columnName, e);
  		}
  		return tableIndex;
  	}
docs: Get the table index
  
  @return table index