{"ast_node_type":"other","tokens":[{"end":52,"kind":"keyword","start":0,"text":"error_items:"}]}
    error_items: &mut SmallVec<[MatchState<'t>; 1]>,
    eof_items: &mut SmallVec<[MatchState<'t>; 1]>,
    delim_span: tt::DelimSpan<Span>,