{"ast_node_type":"other","tokens":[{"end":49,"kind":"keyword","start":0,"text":"NestedCVariadicType,"}]}
    NestedCVariadicType, ReturnTypesUseThinArrow,
    HelpUseLatestEdition, InvalidDynKeyword, LifetimeAfterMut, NeedPlusAfterTraitObjectLifetime,
};