{"ast_node_type":"other","tokens":[{"end":59,"kind":"keyword","start":0,"text":"LangItem::AsyncFnMut"}]}
        LangItem::AsyncFnMut => WellKnownTrait::AsyncFnMut,
        LangItem::AsyncFn => WellKnownTrait::AsyncFn,
        LangItem::AsyncFnOnce => WellKnownTrait::AsyncFnOnce,