}

  // Rewrite `custom_call`'s `called_func` attribute to `called_index`.
  auto function_list = DesymbolizeCustomCallCalledIndex(*stablehlo_module);
  if (failed(function_list)) return failure();
  op.setFunctionListAttr(*function_list);

  // Restore the deserialized stablehlo module's attributes to the reconstructed
  // stablehlo module. The stablehlo module's attributes can contain important