{"ast_node_type":"other","tokens":[{"end":100,"kind":"keyword","start":0,"text":"ty::TraitRef::new(cx,"}]}
                ty::TraitRef::new(cx, cx.require_lang_item(TraitSolverLangItem::Sized), [output_ty])
            |AsyncCallableRelevantTypes { output_coroutine_ty: output_ty, .. }| {
            },