* Returns <code>null</code> or {@link #RefErrorPtg} if no change was made
*
* @param aptg
- * @return
+ * @return The Ptg reference if the cell would move due to copy, otherwise null
*/
private Ptg rowCopyRefPtg(RefPtgBase rptg) {
final int refRow = rptg.getRow();
* @param startRow the first row number in this sheet to return
* @param endRow the last row number in this sheet to return
* @param createRowIfMissing
- * @return
+ * @return All rows between startRow and endRow, inclusive
* @throws IllegalArgumentException if startRowNum and endRowNum are not in ascending order
*/
private List<XSSFRow> getRows(int startRowNum, int endRowNum, boolean createRowIfMissing) {