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

    final FunctionLookup that = (FunctionLookup)o;

    if (!Objects.equals(myPresentation, that.myPresentation)) return false;

    return true;
  }
@Override
  public boolean equals(Object o)