OpBuilder builder,
    const std::unique_ptr<tflite::FlatBufferModel>& model_ptr) {
  llvm::SmallVector<Value, 4> operands;
  llvm::SmallVector<mlir::Type, 2> outputTypes;

  const tflite::OperatorCodeT& op_code = *op_codes.at(op.opcode_index);

  const std::string op_name = GetMlirOpName(op, op_code);

  OperationState op_state(loc, op_name);

  }
  mlir::ResultRange op_results = op.getResults();
  // The main_outputs may include tokens that are not among the op_results;
  mlir::TypeRange main_output_types = loader->OutputTypes();
  int nr_main_token_outputs =
      llvm::count_if(main_output_types, tensorflow::IsTokenType);
  if (op_results.size() != main_output_types.size() - nr_main_token_outputs) {