OUT(4) << "return GetLstmOpQuantSpec<TFL::LSTMOp>(lstm_op);\n";
  OUT(2) << "} else if (auto lstm_op = "
            "llvm::dyn_cast<TFL::UnidirectionalSequenceLSTMOp>(op)) {\n";
  OUT(4) << "return "
            "GetLstmOpQuantSpec<TFL::UnidirectionalSequenceLSTMOp>(lstm_op);\n";
  OUT(2) << "}\n";

  OUT(2) << "auto spec = std::make_unique<quant::OpQuantSpec>();\n";
  llvm::SmallVector<llvm::StringRef, 3> matches;