POI 3.6- XSSF API how can I lock specific user edit actions on a given Excel 2007 sheet?

Question

I'm using the POI 3.6-XSSF API to write Excel 2007 documents, and i'm having trouble getting specific user edit actions of a given sheet to lock (i.e. lockDeleteRows). The API says that you need to call enableLocking() on the sheet but when I do that it locks everything and ignores my specific locking settings (example below). When I don't call it nothing is locked.

It seems this should work given the fact that specific methods are provided to give one this granular locking control at a sheet level. So how can I lock specific user edit actions of a workbook/worksheet using this API?

XSSFWorkbook wb = new XSSFWorkbook();
XSSFSheet sheet = wb.createSheet("Sheet1");
XSSFCell cell;

XSSFRow row = sheet.createRow(0);
cell = row.createCell(0, XSSFCell.CELL_TYPE_STRING); cell.setCellValue("Sku");
cell = row.createCell(1, XSSFCell.CELL_TYPE_STRING); cell.setCellValue("Category");
cell = row.createCell(2, XSSFCell.CELL_TYPE_STRING); cell.setCellValue("SubCategory");
cell = row.createCell(3, XSSFCell.CELL_TYPE_STRING); cell.setCellValue("Name"); 
cell = row.createCell(4, XSSFCell.CELL_TYPE_STRING); cell.setCellValue("DATE_ADDED"); 
cell = row.createCell(5, XSSFCell.CELL_TYPE_STRING); cell.setCellValue("SEO_DESCRIPTION");

row = sheet.createRow(1);
cell = row.createCell(0, XSSFCell.CELL_TYPE_STRING); cell.setCellValue("4bd2c24571534e098589"); 
cell = row.createCell(1, XSSFCell.CELL_TYPE_STRING); cell.setCellValue("CLUBS"); 
cell = row.createCell(2, XSSFCell.CELL_TYPE_STRING); cell.setCellValue("DRIVERS"); 
cell = row.createCell(3, XSSFCell.CELL_TYPE_STRING); cell.setCellValue("1112222 -- ASFASDF"); 
cell = row.createCell(4, XSSFCell.CELL_TYPE_STRING); cell.setCellValue(new Date()); 
cell = row.createCell(5, XSSFCell.CELL_TYPE_STRING); cell.setCellValue("asdfhavsdvf absdfhvbashdv asvdfhavsfasdf"); 

sheet.lockDeleteColumns();
sheet.lockInsertColumns();
sheet.lockDeleteRows(); 

sheet.enableLocking(); // why does this call ignore the last 3 lock settings i just set???????????

OutputStream out;
try {
    out = new FileOutputStream("c:\\temp\\TestWB.xlsx", false);
    wb.write(out);
} catch (Exception e) {
    // TODO Auto-generated catch block
    e.printStackTrace();
}