{"ast_node_type":"other","tokens":[{"end":83,"kind":"keyword","start":0,"text":"external_constraints:"}]}
    external_constraints: InternedSet<'tcx, ExternalConstraintsData<TyCtxt<'tcx>>>,
    adt_def: InternedSet<'tcx, AdtDefData>,
    predefined_opaques_in_body: InternedSet<'tcx, PredefinedOpaquesData<TyCtxt<'tcx>>>,