{"ast_node_type":"impl","tokens":[{"end":96,"kind":"keyword","start":0,"text":")"}]}
    ) -> impl Iterator<Item = (RevealedTy<'tcx>, PrivateUninhabitedField)> + ExactSizeIterator {
        ty: RevealedTy<'tcx>,
        fn reveal_and_alloc<'a, 'tcx>(