function setVirtualTablePosition(rowIndex, cellIndex, baseRow, baseCell, isRowSpan, isColSpan, isVirtualCell) {
    const objPosition = {
      'baseRow': baseRow,
      'baseCell': baseCell,
      'isRowSpan': isRowSpan,
      'isColSpan': isColSpan,
      'isVirtual': isVirtualCell,
    };
    if (!_virtualTable[rowIndex]) {
      _virtualTable[rowIndex] = [];
    }
    _virtualTable[rowIndex][cellIndex] = objPosition;
  }
Define virtual table position info object.

@param {int} rowIndex Index position in line of virtual table.
@param {int} cellIndex Index position in column of virtual table.
@param {object} baseRow Row affected by this position.
@param {object} baseCell Cell affected by this position.
@param {bool} isSpan Inform if it is an span cell/row.