{"ast_node_type":"other","tokens":[{"end":71,"kind":"keyword","start":0,"text":".to_host_effect_clause(tcx,"}]}
                .to_host_effect_clause(tcx, ty::BoundConstness::Maybe),
            ty::Binder::dummy(ty::TraitRef::identity(tcx, def_id.to_def_id()))
            DUMMY_SP,