{"ast_node_type":"other","tokens":[{"end":68,"kind":"keyword","start":0,"text":"(Options)"}]}
    (Options)        => { exp!(@sym, options,         SymOptions) };
    (Nostack)        => { exp!(@sym, nostack,         SymNostack) };
    (Out)            => { exp!(@sym, out,             SymOut) };