Akka.Cluster.ClusterHeartbeatSender.Active C# (CSharp) Метод

        private void Active()
        {
            Receive<HeartbeatTick>(tick => DoHeartbeat());
            Receive<HeartbeatRsp>(rsp => DoHeartbeatRsp(rsp.From));
            Receive<ClusterEvent.MemberUp>(up => AddMember(up.Member));
            Receive<ClusterEvent.MemberRemoved>(removed => RemoveMember(removed.Member));
            Receive<ClusterEvent.IMemberEvent>(@event => { }); //we don't care about other member events
            Receive<ExpectedFirstHeartbeat>(heartbeat => TriggerFirstHeart(heartbeat.From));
        }