MLIR_DEFINE_EXPLICIT_INTERNAL_INLINE_TYPE_ID(PrepareQuantizeDRQPass)

  // Constructor used by the PassRegistration and enforce int8 quantization.
  // This is only used by test.
  explicit PrepareQuantizeDRQPass() : op_set_(OpSet::UNIFORM_QUANTIZED) {
    quant_specs_.inference_type = tensorflow::DT_QINT8;
  }

  // Constructor used by manually creating the pass.
  explicit PrepareQuantizeDRQPass(const QuantizationSpecs& quant_specs,