{"ast_node_type":"other","tokens":[{"end":51,"kind":"keyword","start":0,"text":"LangItem::FnOnce"}]}
        LangItem::FnOnce => WellKnownTrait::FnOnce,
        LangItem::FnMut => WellKnownTrait::FnMut,
        LangItem::AsyncFn => WellKnownTrait::AsyncFn,