Akka.Persistence.Journal.MemoryJournal.HighestSequenceNr C# (CSharp) Метод

        public long HighestSequenceNr(string pid)
        {
            LinkedList<IPersistentRepresentation> persistents;
            if (Messages.TryGetValue(pid, out persistents))
            {
                var last = persistents.LastOrDefault();
                return last != null ? last.SequenceNr : 0L;
            }

            return 0L;
        }