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

    EKey key = (EKey) o;

    if (stable != key.stable) return false;
    if (negated != key.negated) return false;
    if (dirKey != key.dirKey) return false;
    if (!member.equals(key.member)) return false;
    return true;
  }
@Override
  public boolean equals(Object o)