public override void VisitNamespaceDeclaration(NamespaceDeclaration namespaceDeclaration)
{
_currentNamespaces.Push(new Tuple<string, CSharpTokenNode>(namespaceDeclaration.Name, namespaceDeclaration.Children.LastOrDefault() as CSharpTokenNode));
base.VisitNamespaceDeclaration(namespaceDeclaration);
}