sets a style for a range of cells
| rangeStr |
// single range
spreadsheet.setRangeStyle("C4:E4", style, "Sheet1");
// multiple ranges
spreadsheet.setRangeStyle("C3:E3;C5:E5;C7:E7", style, "Sheet1");
The rangeStr parameter accepts multiple ranges with a semicolon as delimiter: "A1:C3;B4:D5".