{"ast_node_type":"variable","tokens":[{"end":94,"kind":"keyword","start":0,"text":"let"}]}
            let rib_ident = if rib.kind.contains_params() { normalized_ident } else { ident };
            // (macro 2.0 hygiene) or local variables (`macro_rules` hygiene).
            if let Some((original_rib_ident_def, res)) = rib.bindings.get_key_value(&rib_ident) {