if (fixed_uniform_trait_regex.match(trait_str, &matches)) {
          OUT(4) << "for (int i = 0, e = op->getNumResults(); i != e; ++i)\n";
          OUT(6) << "spec->restricted_output_params[std::make_pair("
                 << matches[1] << ", " << matches[2]
                 << ")].push_back(tfl.::mlir::OpTrait::quant::" << trait_str
                 << "<" << op.getQualCppClassName()

  // "hard-coded" parameters and should be used unconditionally for the
  // quantized op. This vector is empty if the op doesn't have value restricted
  // outputs.
  llvm::DenseMap<SignedInteger, QuantParamsForResults> restricted_output_params;

  // Coefficient operand index and whether supporting per-channel quantization.
  // For QAT, this information is carried by the FakeQuant*/Quantize/Dequantize