if (!priv.settings.columns && instance.dataType === 'array' && emptyCols < priv.settings.minSpareCols) {
        for (; emptyCols < priv.settings.minSpareCols && instance.countCols() < priv.settings.maxCols; emptyCols++) {
          datamap.createCol(instance.countCols(), 1, true);
        }
      }