public void CleanUp(ref List <IncludeGraphNode> progressedNodes)
{
#if DEBUG
Debug.WriteLine(Name);
#endif
// node double
for (int i = 0; i < Includes.Count; i++)
{
var node = Includes[i];
if (progressedNodes.Contains(node))
{
Includes.Remove(node);
Includes.Add(progressedNodes.First(n => n.Equals(node)));
}
else
{
node.CleanUp(ref progressedNodes);
}
}
progressedNodes.Add(this);
}