/// <summary>
/// INTERNAL API: should be called from merge
/// </summary>
/// <returns>TBD</returns>
protected T ClearAncestor()
{
Ancestor = null;
return((T)this);
}
/// <summary>
/// INTERNAL API: should be called from "updating" methods
/// </summary>
/// <param name="newData">TBD</param>
/// <returns>TBD</returns>
protected T AssignAncestor(T newData)
{
newData.Ancestor = Ancestor ?? this;
Ancestor = null;
return(newData);
}
