{"ast_node_type":"other","tokens":[{"end":85,"kind":"keyword","start":0,"text":"ty::PredicateKind::Clause(ty::ClauseKind::Trait(poly_trait_ref))"}]}
                ty::PredicateKind::Clause(ty::ClauseKind::Trait(poly_trait_ref)) => {
                }
                    let p = poly_trait_ref.trait_ref;