Akka.Cluster.Gossip.Merge C# (CSharp) Method

        public Gossip Merge(Gossip that)
        {
            //TODO: Member ordering import?
            // 1. merge vector clocks
            var mergedVClock = _version.Merge(that._version);

            // 2. merge members by selecting the single Member with highest MemberStatus out of the Member groups
            var mergedMembers = EmptyMembers.Union(Member.PickHighestPriority(this._members, that._members));

            // 3. merge reachability table by picking records with highest version
            var mergedReachability = this._overview.Reachability.Merge(mergedMembers.Select(m => m.UniqueAddress),
                that._overview.Reachability);

            // 4. Nobody can have seen this new gossip yet
            var mergedSeen = ImmutableHashSet.Create<UniqueAddress>();

            return new Gossip(mergedMembers, new GossipOverview(mergedSeen, mergedReachability), mergedVClock);
        }