{"ast_node_type":"variable","tokens":[{"end":77,"kind":"keyword","start":0,"text":"let"}]}
                let alias_ty = ty::AliasTy::new_from_args(tcx, def_id, args);
            TypeRelativePath::AssocItem(def_id, args) => {
                let ty = Ty::new_alias(tcx, alias_ty.kind(tcx), alias_ty);