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");
}