%index_in_list = "tf.Const"() {value = dense<0> : tensor<1xi32>} : () -> tensor<1xi32>
  %arg0_shape = "tf.Const"() {value = dense<[1, 8, 4]> : tensor<3xi32>} : () -> tensor<3xi32>
  %arg0_reshaped = "tf.Reshape"(%arg0, %arg0_shape) : (tensor<8x4xf32>, tensor<3xi32>) -> tensor<1x8x4xf32>
  %zeroi2 = "tf.Const"() {value = dense<0> : tensor<2xi32>} : () -> tensor<2xi32>

  %cst1 = "tfl.pseudo_const" () {value = dense<0.0> : tensor<4xf32>} : () -> tensor<4xf32> loc("Const")
  // expected-error @+1 {{'tfl.lstm' op failed to verify that operand 2 is 2-D}}

// quantization API
TfLiteStatus QuantizeWeights(
    flatbuffers::FlatBufferBuilder* builder, const tflite::Model* input_model,
    const tflite::TensorType& inference_type,
    const absl::flat_hash_set<std::string>& denylisted_ops,
    const CustomOpMap& custom_op_map, int64_t minimum_elements_for_weights,
    bool disable_per_channel, bool weight_only_quantization,
    bool legacy_float_scale) {

// the values with the TOCO quantizer.
TfLiteStatus QuantizeModel(
    absl::string_view model_buffer, const tflite::TensorType &input_type,
    const tflite::TensorType &output_type,
    const tflite::TensorType &inference_type,
    const std::unordered_set<std::string> &operator_names,
    bool disable_per_channel, bool fully_quantize, std::string &output_buffer,

  };
  const auto subgraphs = {CreateSubgraphMetadata(
      fb_builder, fb_builder.CreateVector(ops.begin(), ops.size()))};

  const auto metadata = CreateRuntimeMetadata(
      fb_builder, hardwares,
      fb_builder.CreateVector(subgraphs.begin(), subgraphs.size()));
  fb_builder.Finish(metadata);

  return std::string(
      reinterpret_cast<const char*>(fb_builder.GetBufferPointer()),

  return absl::OkStatus();
}

absl::Status ValidateSPAllocatorStats(const SP_AllocatorStats& stats) {
  TF_VALIDATE_STRUCT_SIZE(SP_AllocatorStats, stats,
                          SP_ALLOCATORSTATS_STRUCT_SIZE);
  // All other fields could theoretically be zero/null.
  return absl::OkStatus();
}

absl::Status ValidateSPDeviceMemoryBase(const SP_DeviceMemoryBase& mem) {
  TF_VALIDATE_STRUCT_SIZE(SP_DeviceMemoryBase, mem,

  const tflite::TensorType inference_tensor_type =
      FromTocoDataTypeToTflitToTensorType(inference_type);
  const tflite::TensorType input_type =
      FromTocoDataTypeToTflitToTensorType(input_data_type);
  const tflite::TensorType output_type =
      FromTocoDataTypeToTflitToTensorType(output_data_type);

  std::string output_model;
  const absl::string_view input_model_buffer(buf, length);

                          const GraphExportConfig& configs,
                          std::unique_ptr<Graph>* graph,
                          FunctionLibraryDefinition* flib_def);

// Converts an MLIR function and adds it to a FunctionLibraryDefinition.
Status ConvertMlirFunctionToFunctionLibraryDef(mlir::func::FuncOp func,
                                               const GraphExportConfig& configs,

                          const GraphExportConfig& configs,
                          std::unique_ptr<Graph>* graph,
                          FunctionLibraryDefinition* flib_def);

// Converts an MLIR function and adds it to a FunctionLibraryDefinition.
Status ConvertMlirFunctionToFunctionLibraryDef(mlir::func::FuncOp func,
                                               const GraphExportConfig& configs,

 public:
  using OpRewritePattern::OpRewritePattern;
  LogicalResult matchAndRewrite(TF::OptionalFromValueOp op,
                                PatternRewriter& rewriter) const override {
    Value value = nullptr;
    for (auto v : op.getComponents()) {
      value = v;
    }
    if (!value) return failure();
    rewriter.replaceOpWithNewOp<TF::IdentityOp>(op, value.getType(), value);