{"ast_node_type":"other","tokens":[{"end":78,"kind":"keyword","start":0,"text":"tcx.typeck_root_def_id(def_id.to_def_id()).expect_local(),"}]}
                    tcx.typeck_root_def_id(def_id.to_def_id()).expect_local(),
                let _ = tcx.ensure_ok().check_coroutine_obligations(
                );