/// <summary>
/// Called after this object finishes visiting a <see cref="YamlStream"/>.
/// </summary>
/// <param name="stream">
/// The <see cref="YamlStream"/> that has been visited.
/// </param>
protected virtual void Visited(YamlStream stream)
{
// Do nothing.
}
void IYamlVisitor.Visit(YamlStream stream)
{
Visit(stream);
VisitChildren(stream);
Visited(stream);
}