{"ast_node_type":"other","tokens":[{"end":89,"kind":"keyword","start":0,"text":"assert_eq!(bound_trait_pred.polarity(),"}]}
                assert_eq!(bound_trait_pred.polarity(), ty::PredicatePolarity::Positive);
            {
                let bound_trait_ref = bound_trait_pred.map_bound(|pred| pred.trait_ref);