calibration_parameters.set_num_bins(512);
        calibration_parameters.set_min_percentile(0.001);
        calibration_parameters.set_max_percentile(99.999);
        calib_opts_.mutable_calibration_parameters()->CopyFrom(
            calibration_parameters);
        break;
      }
      case TEST_CASE_HISTOGRAM_MSE_BRUTEFORCE: {
        calib_opts_.set_calibration_method(

      *config.mutable_calibration_options();
  calibration_options.set_calibration_method(
      CalibrationOptions::CALIBRATION_METHOD_AVERAGE_MIN_MAX);
  calibration_options.mutable_calibration_parameters()->set_num_bins(512);

  // Test that if the user explicitly provided `calibration_options`, it is not
  // overridden.
  const QuantizationConfig new_config = PopulateDefaults(config);