{"ast_node_type":"other","tokens":[{"end":53,"kind":"keyword","start":0,"text":"PredefinedOpaques"}]}
        PredefinedOpaques -> PredefinedOpaques<'tcx>,
    predefined_opaques_in_body: pub mk_predefined_opaques_in_body(PredefinedOpaquesData<TyCtxt<'tcx>>):
}