Akka.Cluster.ClusterEvent.MemberStatusChange.MemberStatusChange C# (CSharp) 메소드

            protected MemberStatusChange(Member member, MemberStatus validStatus)
            {
                if (member.Status != validStatus)
                    throw new ArgumentException(String.Format("Expected {0} state, got: {1}", validStatus, member));
                _member = member;
            }