{"ast_node_type":"other","tokens":[{"end":63,"kind":"keyword","start":0,"text":"args.as_coroutine_closure().tupled_upvars_ty(),"}]}
                args.as_coroutine_closure().tupled_upvars_ty(),
                tcx.lifetimes.re_erased,
                args.as_coroutine_closure().coroutine_captures_by_ref_ty(),