}
    auto* sink = node_values_[edge.src->id()];
    auto* dst = node_values_[edge.dst->id()];
    TF_RETURN_IF_ERROR(AddBackedge(sink, dst, edge.dst_input));
  }
  return absl::OkStatus();
}

Status ImporterBase::AddBackedge(mlir::Operation* sink, mlir::Operation* dst,
                                 int dst_input) {