docs: public static String formatCellContent(String value, int numFmtIndex, String numFmtString) {
  		if (null != numFmtString) {
  			try {
  				value = new DataFormatter().formatRawCellContents(Double.parseDouble(value), numFmtIndex, numFmtString);
  			} catch (NumberFormatException e) {
  				// ignore
  			}
  		}
  		return value;
  	}