public void AddBefore(AbstractTreeItem treeItem, AbstractTreeItem before) { throw new NotImplementedException(); }
		public void AddAt(AbstractTreeItem treeItem, double index) { throw new NotImplementedException(); }
		public void AddAtBegin(AbstractTreeItem treeItem) { throw new NotImplementedException(); }
		public void Add(AbstractTreeItem varargs) { throw new NotImplementedException(); }
		public void AddAfter(AbstractTreeItem treeItem, AbstractTreeItem after) { throw new NotImplementedException(); }
 public void AddBefore(AbstractTreeItem treeItem, AbstractTreeItem before)
 {
     throw new NotImplementedException();
 }
 public void AddAtBegin(AbstractTreeItem treeItem)
 {
     throw new NotImplementedException();
 }
 public void AddAt(AbstractTreeItem treeItem, double index)
 {
     throw new NotImplementedException();
 }
 public void AddAfter(AbstractTreeItem treeItem, AbstractTreeItem after)
 {
     throw new NotImplementedException();
 }
 public void Add(AbstractTreeItem varargs)
 {
     throw new NotImplementedException();
 }