@Override
  public boolean equals(Object o) {
    if (!super.equals(o)) return false;

    AbstractNamedData data = (AbstractNamedData)o;

    if (!externalName.equals(data.externalName)) return false;
    if (!internalName.equals(data.internalName)) return false;
    return true;
  }
@Override
  public boolean equals(Object o)