{"ast_node_type":"other","tokens":[{"end":48,"kind":"keyword","start":0,"text":"type_shorthands:"}]}
    type_shorthands: FxHashMap<Ty<'tcx>, usize>,
    span_shorthands: FxHashMap<Span, usize>,
    predicate_shorthands: FxHashMap<ty::PredicateKind<'tcx>, usize>,