protected virtual Generic.IEnumerator<Node> Process(Generic.IEnumerator<Node> nodes)
{
while (nodes.MoveNext())
{
Generic.IEnumerator<Node> result = this.Process(nodes.Current);
while (result.MoveNext())
yield return result.Current;
}
}
protected virtual Generic.IEnumerator<Attribute> Process(Generic.IEnumerator<Attribute> attributes)
{
while (attributes.MoveNext())
{
Generic.IEnumerator<Attribute> result = this.Process(attributes.Current);
while (result.MoveNext())
if (result.Current.NotNull())
yield return result.Current;
}
}