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

      ParamKey paramKey = (ParamKey)o;

      if (i != paramKey.i) return false;
      if (stable != paramKey.stable) return false;
      if (!method.equals(paramKey.method)) return false;

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