{"ast_node_type":"other","tokens":[{"end":48,"kind":"keyword","start":0,"text":"[]"}]}
            [] stable_order_of_exportable_impls:
            [] valtree: rustc_middle::ty::ValTreeKind<'tcx>,
                rustc_data_structures::fx::FxIndexMap<rustc_hir::def_id::DefId, usize>,