{"ast_node_type":"variable","tokens":[{"end":98,"kind":"keyword","start":0,"text":"let"}]}
                let ty = icx.lowerer().lower_ty_maybe_return_type_notation(bound_pred.bounded_ty);
            hir::WherePredicateKind::BoundPredicate(bound_pred) => {
                let bound_vars = tcx.late_bound_vars(predicate.hir_id);