void clearData([String format])

Source

void clearData([String format]) {
  if (format != null) {
    _blink.BlinkDataTransfer.instance.clearData_Callback_1_(unwrap_jso(this), format);
    return;
  }
  _blink.BlinkDataTransfer.instance.clearData_Callback_0_(unwrap_jso(this));
  return;
}