public <#NodeName#> Add(<#ListElementType#> elem, SourceContext sc = null)
{
	<#ListName#>.Add(elem);
	if (elem != null)
		elem.Parent = this;
	if (sc != null)
		source_context = sc;
	return this;
}

public void AddFirst(<#ListElementType#> el)
{
	<#ListName#>.Insert(0, el);
	FillParentsInDirectChilds();
}

public void AddFirst(IEnumerable<<#ListElementType#>> els)
{
	<#ListName#>.InsertRange(0, els);
	foreach (var el in els)
		if (el != null)
			el.Parent = this;
}

public void AddMany(params <#ListElementType#>[] els)
{
	<#ListName#>.AddRange(els);
	foreach (var el in els)
		if (el != null)
			el.Parent = this;
}

private int FindIndexInList(<#ListElementType#> el)
{
	var ind = <#ListName#>.FindIndex(x => x == el);
	if (ind == -1)
		throw new Exception(string.Format("У списка {0} не найден элемент {1} среди дочерних\n", this, el));
	return ind;
}

public void InsertAfter(<#ListElementType#> el, <#ListElementType#> newel)
{
	<#ListName#>.Insert(FindIndexInList(el) + 1, newel);
	if (newel != null)
	   	newel.Parent = this;
}

public void InsertAfter(<#ListElementType#> el, IEnumerable<<#ListElementType#>> newels)
{
	<#ListName#>.InsertRange(FindIndexInList(el) + 1, newels);
	foreach (var newel in newels)
		if (newel != null)
			newel.Parent = this;
}

public void InsertBefore(<#ListElementType#> el, <#ListElementType#> newel)
{
	<#ListName#>.Insert(FindIndexInList(el), newel);
	if (newel != null)
		newel.Parent = this;
}

public void InsertBefore(<#ListElementType#> el, IEnumerable<<#ListElementType#>> newels)
{
	<#ListName#>.InsertRange(FindIndexInList(el), newels);
	foreach (var newel in newels)
		if (newel != null)
			newel.Parent = this;
}

public bool Remove(<#ListElementType#> el)
{
	return <#ListName#>.Remove(el);
}

public void ReplaceInList(<#ListElementType#> el, <#ListElementType#> newel)
{
	<#ListName#>[FindIndexInList(el)] = newel;
	if (newel != null)
	   	newel.Parent = this;
}

public void ReplaceInList(<#ListElementType#> el, IEnumerable<<#ListElementType#>> newels)
{
	var ind = FindIndexInList(el);
	<#ListName#>.RemoveAt(ind);
	<#ListName#>.InsertRange(ind, newels);
    foreach (var newel in newels)
		if (newel != null)
			newel.Parent = this;
}

public int RemoveAll(Predicate<<#ListElementType#>> match)
{
	return <#ListName#>.RemoveAll(match);
}

public <#ListElementType#> Last()
{
	return <#ListName#>[<#ListName#>.Count - 1];
}

public int Count
{
    get { return <#ListName#>.Count; }
}

public void Insert(int pos, <#ListElementType#> el)
{
	<#ListName#>.Insert(pos,el);
	if (el != null)
	   	el.Parent = this;
}