@Override
  public boolean equals(Object o) {
    if (this == o) return true;
    if (o == null || getClass() != o.getClass()) return false;

    UnknownFeature feature = (UnknownFeature)o;
    return myFeatureType.equals(feature.myFeatureType) &&
           myImplementationName.equals(feature.myImplementationName);
  }
@Override
  public boolean equals(Object o)