Akka.Cluster.Reachability.Remove C# (CSharp) Method

        public Reachability Remove(IEnumerable<UniqueAddress> nodes)
        {
            var newRecords = _records.FindAll(r => !nodes.Contains(r.Observer) && !nodes.Contains(r.Subject));
            if (newRecords.Count == _records.Count) return this;
 
            var newVersions = _versions.RemoveRange(nodes);
            return new Reachability(newRecords, newVersions);
        }