{"ast_node_type":"other","tokens":[{"end":54,"kind":"keyword","start":0,"text":"LangItem::FnPtrTrait"}]}
        LangItem::FnPtrTrait => WellKnownTrait::FnPtr,
        LangItem::PointeeTrait => WellKnownTrait::Pointee,
        LangItem::Future => WellKnownTrait::Future,