}
if(doc.getStyleSheet().getBorders() != null)
for (CTBorder border : doc.getStyleSheet().getBorders().getBorderArray()) {
borders.add(new XSSFCellBorder(border));
}
CTCellXfs cellXfs = doc.getStyleSheet().getCellXfs();
if(cellXfs != null) xfs.addAll(Arrays.asList(cellXfs.getXfArray()));
CTCellStyleXfs cellStyleXfs = doc.getStyleSheet().getCellStyleXfs();
if(cellStyleXfs != null) styleXfs.addAll(Arrays.asList(cellStyleXfs.getXfArray()));
CTDxfs styleDxfs = doc.getStyleSheet().getDxfs();