{"ast_node_type":"other","tokens":[{"end":50,"kind":"keyword","start":0,"text":"reported_errors:"}]}
    reported_errors: FxIndexSet<(Ty<'tcx>, Span)>,
    known_type_outlives_obligations: &'a [ty::PolyTypeOutlivesPredicate<'tcx>],
    universal_regions: &'a UniversalRegions<'tcx>,