{"ast_node_type":"other","tokens":[{"end":55,"kind":"keyword","start":0,"text":"local_def_ids:"}]}
    local_def_ids: InternedSet<'tcx, List<LocalDefId>>,
    fields: InternedSet<'tcx, List<FieldIdx>>,
    captures: InternedSet<'tcx, List<&'tcx ty::CapturedPlace<'tcx>>>,