{"ast_node_type":"other","tokens":[{"end":58,"kind":"keyword","start":0,"text":"(Auto)"}]}
    (Auto)           => { exp!(@kw, Auto,       KwAuto) };
    (Async)          => { exp!(@kw, Async,      KwAsync) };
    (Await)          => { exp!(@kw, Await,      KwAwait) };