DataTransferItem add(
data_OR_file,
[String type]
)

Not documented.

Source

DataTransferItem add(data_OR_file, [String type]) {
  if ((type is String) && (data_OR_file is String)) {
    return wrap_jso(_blink.BlinkDataTransferItemList.instance.add_Callback_2_(unwrap_jso(this), unwrap_jso(data_OR_file), type));
  }
  if ((data_OR_file is File || data_OR_file == null) && type == null) {
    return wrap_jso(_blink.BlinkDataTransferItemList.instance.add_Callback_1_(unwrap_jso(this), unwrap_jso(data_OR_file)));
  }
  throw new ArgumentError("Incorrect number or type of arguments");
}