{"ast_node_type":"other","tokens":[{"end":80,"kind":"keyword","start":0,"text":"ty::ExistentialPredicate::Trait(trait_ref)"}]}
                        ty::ExistentialPredicate::Trait(trait_ref) => trait_ref,
                    let trait_ref = match predicate.skip_binder() {
                        ty::ExistentialPredicate::Projection(proj) => proj.trait_ref(tcx),