{"ast_node_type":"other","tokens":[{"end":87,"kind":"keyword","start":0,"text":"normalize_impl_ty_args.rebase_onto(tcx,"}]}
            normalize_impl_ty_args.rebase_onto(tcx, container_id, impl_trait_ref.args);
        let rebased_args =
        let bound_vars = tcx.mk_bound_variable_kinds(&bound_vars);