for (const auto t : op.getTraits()) {
      if (auto opTrait = llvm::dyn_cast<mlir::tblgen::NativeTrait>(&t)) {
        auto trait_str = opTrait->getFullyQualifiedTraitName();
        if (!llvm::StringRef{trait_str}.consume_front(
                "::mlir::OpTrait::quant::"))
          continue;

        OUT(2) << "if (auto tfl = llvm::dyn_cast<" << op.getQualCppClassName()
               << ">(op)) {\n";

  // suffix are skipped by the caller and will not be added to the graph.
  auto prefixes = GlobalOpPrefixes();
  if (std::none_of(prefixes->begin(), prefixes->end(), [&](std::string prefix) {
        return op_name.consume_front(prefix);
      })) {
    return errors::FailedPrecondition("op node '", op_name.str(),
                                      "' was not a TF op!");
  }