DataTransferItem operator [](int index)

Source

DataTransferItem operator[] (int index) {
  // TODO(alanknight): I think that all the __getter__ generators should just
  // do property access, but that's major surgery. This one is a problem, so
  // just hard-code it for now.
  return _blink.Blink_JsNative_DomException.getProperty(this, index);
}