{"ast_node_type":"other","tokens":[{"end":78,"kind":"keyword","start":0,"text":"ImplItemKind::Fn(..)"}]}
            ImplItemKind::Fn(..) => ParamDefaultPolicy::FutureCompatForbidden,
            ImplItemKind::Const(..) | ImplItemKind::Type(..) => ParamDefaultPolicy::Forbidden,
        },