{"ast_node_type":"other","tokens":[{"end":49,"kind":"keyword","start":0,"text":"bb_items:"}]}
    bb_items: &mut SmallVec<[MatchState<'t>; 1]>,
    cur_items: &mut SmallVec<[MatchState<'t>; 1]>,
    next_items: &mut Vec<MatchState<'t>>,