{"ast_node_type":"other","tokens":[{"end":43,"kind":"keyword","start":0,"text":"adt_def:"}]}
    adt_def: InternedSet<'tcx, AdtDefData>,
    layout: InternedSet<'tcx, LayoutData<FieldIdx, VariantIdx>>,
    external_constraints: InternedSet<'tcx, ExternalConstraintsData<TyCtxt<'tcx>>>,