class StreamKey implements Comparable<StreamKey>, Parcelable {

  @Override
  public void writeToParcel(Parcel dest, int flags) {
    dest.writeInt(periodIndex);
    dest.writeInt(groupIndex);
    dest.writeInt(trackIndex);
  }

  public  StreamKey(int groupIndex, int trackIndex);
  public  StreamKey(int periodIndex, int groupIndex, int trackIndex);
    StreamKey(Parcel in);

}