code: public void loadRTreeIndex(String tableName, String geometryColumnName,
  			String idColumnName) {
  
  		String sqlName = GeoPackageProperties.getProperty(SQL_PROPERTY,
  				LOAD_PROPERTY);
  		executeSQL(sqlName, tableName, geometryColumnName, idColumnName);
  	}
docs: Load the RTree Spatial Index Values
  
  @param tableName
  table name
  @param geometryColumnName
  geometry column name
  @param idColumnName
  id column name