Akka.Cluster.GossipOverview.Copy C# (CSharp) Method

        public GossipOverview Copy(ImmutableHashSet<UniqueAddress> seen = null, Reachability reachability = null)
        {
            return new GossipOverview(seen ?? _seen, reachability ?? _reachability);
        }

 /// <summary>
 /// Marks the gossip as seen by this node (address) by updating the address entry in the 'gossip.overview.seen'
 /// </summary>
 /// <param name="node">TBD</param>
 /// <returns>TBD</returns>
 public Gossip Seen(UniqueAddress node)
 {
     if (SeenByNode(node))
     {
         return(this);
     }
     return(Copy(overview: _overview.Copy(seen: _overview.Seen.Add(node))));
 }