{"ast_node_type":"variable","tokens":[{"end":32,"kind":"keyword","start":0,"text":"let"}]}
            let name = tt.iter()
        self.tt_values().find_map(|tt| {
                .skip_while(|tt| !matches!(tt, TtElement::Leaf(tt::Leaf::Ident(tt::Ident { sym, ..} )) if *sym == key))