TFL_TensorOfOrNone<[F32, I8]>:$fw_aux_input_to_input_weights,
    TFL_TensorOfOrNone<[F32, I8]>:$fw_aux_input_to_forget_weights,
    TFL_TensorOfOrNone<[F32, I8]>:$fw_aux_input_to_cell_weights,
    TFL_TensorOfOrNone<[F32, I8]>:$fw_aux_input_to_output_weights,
    // Auxiliary bw weights.
    TFL_TensorOfOrNone<[F32, I8]>:$bw_aux_input_to_input_weights,
    TFL_TensorOfOrNone<[F32, I8]>:$bw_aux_input_to_forget_weights,

                               raw_ostream *ostream) {
  raw_ostream &os = *ostream;
  const auto attr_type = record_keeper.getClass("Attr");
  const auto optional_tensor = record_keeper.getClass("TFL_TensorOfOrNone");
  os << "llvm::MinMax mlir::OperandNumbersMinMax(llvm::StringRef op_name) {\n";
  for (const auto *def : defs) {
    auto op_name = def->getValueAsString("opName");