class OspfTopology {

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

  public  OspfTopology(ValueGraph<OspfNeighborConfigId, OspfSessionProperties> graph);

}