{"ast_node_type":"other","tokens":[{"end":92,"kind":"keyword","start":0,"text":"rustc_ast::BoundPolarity::Positive"}]}
            rustc_ast::BoundPolarity::Positive => (ty::PredicatePolarity::Positive, bounds),
            }
            rustc_ast::BoundPolarity::Negative(_) => (ty::PredicatePolarity::Negative, bounds),