/// <summary>
/// Detaches the child node
/// </summary>
/// <returns>The newly detached child node. Returns null if no child node was present</returns>
public IOwlNode DetachChildNode()
{
IOwlNode node = ChildNode;
if (ChildNode != null)
{
ChildNode.DetachParentEdge(this);
}
return(node);
}
