{"ast_node_type":"other","tokens":[{"end":57,"kind":"keyword","start":0,"text":"DefKind::SyntheticCoroutineBody"}]}
        DefKind::SyntheticCoroutineBody => (false, true),
        DefKind::Closure if tcx.is_coroutine(def_id.to_def_id()) => (false, true),
        // Full-fledged functions + closures