* POI default is 0 based, but the file stores
* as 1 based.
*/
public CTCol getColumn1Based(long index1, boolean splitColumns) {
CTCols colsArray = worksheet.getColsArray(0);
for (int i = 0; i < colsArray.sizeOfColArray(); i++) {
CTCol colArray = colsArray.getColArray(i);
if (colArray.getMin() <= index1 && colArray.getMax() >= index1) {
if (splitColumns) {
if (colArray.getMin() < index1) {
insertCol(colsArray, colArray.getMin(), (index1 - 1), new CTCol[]{colArray});