{"ast_node_type":"other","tokens":[{"end":82,"kind":"keyword","start":0,"text":"pub(crate)"}]}
    pub(crate) universal_region_relations: Frozen<UniversalRegionRelations<'tcx>>,
    pub(crate) constraints: MirTypeckRegionConstraints<'tcx>,
    pub(crate) opaque_type_values: FxIndexMap<OpaqueTypeKey<'tcx>, OpaqueHiddenType<'tcx>>,