docs: function getRangeInformation(range, selectionMgr) {
    const $selectedCells = selectionMgr.getSelectedCells();
    let rangeInformation, startCell;
  
    if ($selectedCells.length) {
      rangeInformation = selectionMgr.getSelectionRangeFromTable($selectedCells.first().get(0),
        $selectedCells.last().get(0));
    } else {
      const {startContainer} = range;
      startCell = domUtil.isTextNode(startContainer) ? $(startContainer).parent('td,th')[0] : startContainer;
      rangeInformation = selectionMgr.getSelectionRangeFromTable(startCell, startCell);
    }
  
    return rangeInformation;
  }