// ordered_output_arrays in the same order. If signature is not null, then the
// inputs/outputs in signature will be attached to the FuncOp.
StatusOr<FuncOp> ConvertSubgraph(
    const tflite::SubGraphT& subgraph, llvm::StringRef name,
    const std::vector<std::unique_ptr<tflite::OperatorCodeT>>& op_codes,
    const std::vector<std::string>& func_names,