{"ast_node_type":"variable","tokens":[{"end":26,"kind":"keyword","start":0,"text":"let"}]}
        let res = b.res();
    fn binding_description(&self, b: NameBinding<'_>, ident: Ident, from_prelude: bool) -> String {
        if b.span.is_dummy() || !self.tcx.sess.source_map().is_span_accessible(b.span) {