{"ast_node_type":"other","tokens":[{"end":69,"kind":"keyword","start":0,"text":"captures:"}]}
    captures: InternedSet<'tcx, List<&'tcx ty::CapturedPlace<'tcx>>>,
    local_def_ids: InternedSet<'tcx, List<LocalDefId>>,
    offset_of: InternedSet<'tcx, List<(VariantIdx, FieldIdx)>>,