{"ast_node_type":"other","tokens":[{"end":59,"kind":"keyword","start":0,"text":"(Await)"}]}
    (Await)          => { exp!(@kw, Await,      KwAwait) };
    (Auto)           => { exp!(@kw, Auto,       KwAuto) };
    (Become)         => { exp!(@kw, Become,     KwBecome) };