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

      ServiceGroupNode node = (ServiceGroupNode)o;
      return getValue().equals(node.getValue()) && Comparing.equal(getParent(), node.getParent());
    }
@Override
    public boolean equals(Object o)