/**
  * Set file column widths for Excel files.
  *
  * @param string[] $columns Column names.
  * @param MoodleExcelWorksheet $worksheet The worksheet.
  */
 protected function set_column_widths($columns, $worksheet)
 {
     $lastcolumnindex = count($columns) - 1;
     $worksheet->set_column(0, $lastcolumnindex, tool_downloaddata_config::$columnwidths['default']);
     foreach ($columns as $no => $name) {
         if (isset(tool_downloaddata_config::$columnwidths[$name])) {
             $worksheet->set_column($no, $no, tool_downloaddata_config::$columnwidths[$name]);
         }
     }
 }