public override VisualBasicSyntaxNode VisitCompilationUnit(CSS.CompilationUnitSyntax node)
{
var imports = node.Usings.Select(u => (ImportsStatementSyntax)u.Accept(this))
.Concat(node.Externs.Select(e => (ImportsStatementSyntax)e.Accept(this)));
var attributes = node.AttributeLists.Select(a => SyntaxFactory.AttributesStatement(SyntaxFactory.SingletonList((AttributeListSyntax)a.Accept(this))));
var members = node.Members.Select(m => (StatementSyntax)m.Accept(this));
return(SyntaxFactory.CompilationUnit(
SyntaxFactory.List <OptionStatementSyntax>(),
SyntaxFactory.List(imports),
SyntaxFactory.List(attributes),
SyntaxFactory.List(members)
));
}