private void Sink()
        {
            if (Head.Next is null)
            {
                return;
            }

            if (Head.Count < Head.Next.Count)
            {
                var next = Head.Next;
                Head.Next = next.Next;
                next.Next = Head;
                Head      = next;
            }

            var current  = Head.Next;
            var previous = Head;

            while (current?.Next != null)
            {
                if (current.Count < current.Next.Count)
                {
                    Swap(previous, current, current.Next);
                }
                current = current.Next;
            }
        }
        private static void Swap(CountBaseSelfOganizedListNode <T> previous, CountBaseSelfOganizedListNode <T> current, CountBaseSelfOganizedListNode <T> next)
        {
            if (next is null)
            {
                return;
            }

            previous.Next = next;
            current.Next  = next.Next;
            next.Next     = current;
        }
        public void Add(T value)
        {
            if (Head is null)
            {
                Head = new CountBaseSelfOganizedListNode <T> {
                    Value = value
                };
                tail = Head;
                return;
            }

            tail.Next = new CountBaseSelfOganizedListNode <T> {
                Value = value
            };
            tail = tail.Next;
        }
        public CountBaseSelfOganizedListNode <T> Get(T value)
        {
            if (Head is null)
            {
                return(null);
            }
#pragma warning disable HAA0601 // Value type to reference type conversion causing boxing allocation
            if (Head.Value.Equals(value))
            {
#pragma warning restore HAA0601 // Value type to reference type conversion causing boxing allocation
                Head.Count += 1;

                return(Head);
            }

            var current  = Head.Next;
            var previous = Head;

            while (current != null)
            {
#pragma warning disable HAA0601 // Value type to reference type conversion causing boxing allocation
                if (current.Value.Equals(value))
#pragma warning restore HAA0601 // Value type to reference type conversion causing boxing allocation
                {
                    previous.Next = current.Next;
                    current.Next  = Head;
                    Head          = current;
                    Head.Count   += 1;
                    Sink();
                    return(current);
                }
                previous = current;
                current  = current.Next;
            }

            return(null);
        }