llvm::cl::values(
          clEnumValN(TEST_CASE_MIN_MAX, "MIN_MAX",
                     "Uses MIN_MAX calibration method"),
          clEnumValN(TEST_CASE_AVERAGE_MIN_MAX, "AVERAGE_MIN_MAX",
                     "Uses AVERAGE_MIN_MAX calibration method"),
          clEnumValN(TEST_CASE_HISTOGRAM_PERCENTILE, "HISTOGRAM_PERCENTILE",
                     "Uses HISTOGRAM_PERCENTILE calibration method"),

  CalibrationMethod calibration_method = 1;

  // Defines the parameters required for calibration. Parameters such as the
  // number of bins in the histogram and percentile belong to it.
  // MIN_MAX and AVERAGE_MIN_MAX don't require this parameter and methods
  // starting with HISTOGRAM require this parameter.
  CalibrationParameters calibration_parameters = 2;

  // Configures representative dataset. Each item corresponds to a

// RUN: tf-quant-opt %s -quant-insert-custom-aggregation-ops='test-case=MIN_MAX' -split-input-file | FileCheck --check-prefix=MIN-MAX-CHECK %s
// RUN: tf-quant-opt %s -quant-insert-custom-aggregation-ops='test-case=AVERAGE_MIN_MAX'  -split-input-file | FileCheck --check-prefix=AVERAGE-MIN-MAX-CHECK %s
// RUN: tf-quant-opt %s -quant-insert-custom-aggregation-ops='test-case=HISTOGRAM_PERCENTILE' -split-input-file | FileCheck --check-prefix=HISTOGRAM-PERCENTILE-CHECK %s