return children().isEmpty() ? null : (CssLiteral) children().get(1);
}
public void render(RenderContext r) {
TokenConsumer out = r.getOut();
out.mark(getFilePosition());
out.consume("[");
renderCssIdent(ident, r);
List<? extends CssTree> children = children();
if (!children.isEmpty()) {
out.consume(" ");