{"ast_node_type":"other","tokens":[{"end":74,"kind":"keyword","start":0,"text":"adt_def:"}]}
    adt_def: pub mk_adt_def_from_data(AdtDefData): AdtDef -> AdtDef<'tcx>,
    layout: pub mk_layout(LayoutData<FieldIdx, VariantIdx>): Layout -> Layout<'tcx>,
    external_constraints: pub mk_external_constraints(ExternalConstraintsData<TyCtxt<'tcx>>):