{"ast_node_type":"other","tokens":[{"end":61,"kind":"keyword","start":0,"text":"LangItem::AsyncFnOnce"}]}
        LangItem::AsyncFnOnce => WellKnownTrait::AsyncFnOnce,
        LangItem::AsyncFnMut => WellKnownTrait::AsyncFnMut,
        LangItem::Coroutine => WellKnownTrait::Coroutine,