[](mlir::OpPassManager& pm, llvm::StringRef options,
         llvm::function_ref<mlir::LogicalResult(const llvm::Twine&)>
             errorHandler) {
        tensorflow::PopulateLowerToMlProgramAndHloPipeline(pm);
        return mlir::success();
      },
      [](llvm::function_ref<void(const mlir::detail::PassOptions&)>) {});
}

  return std::make_pair(dtype, tensorflow::PartialTensorShape(dims));
}

}  // namespace

Status MapFunctionSignaturesFromTFSavedModelMLIR(
    mlir::ModuleOp module,
    llvm::function_ref<void(const TFRTSavedModelSignatureInfo&)> map_fn) {
  // Create bound inputs for each functions.
  mlir::SymbolTable symbol_table(module);
  tensorflow::Status status = absl::OkStatus();

    };

    auto dequant_values =
        mlir::cast<DenseIntOrFPElementsAttr>(input_values)
            .mapValues(FloatType::getF32(rewriter.getContext()),
                       llvm::function_ref<DequantizeFuncType>(dequantize_func));
    rewriter.replaceOpWithNewOp<TFL::ConstOp>(dequant_op, dequant_op.getType(),
                                              dequant_values);

    return success();
  }
};

using mlir::func::FuncOp;

// Run the TF XLA Bridge based on the input pipeline, which can be either TPU
// bridge pipeline or non TPU bridge pipeline.
tensorflow::Status RunTFXLABridge(
    ModuleOp module,
    llvm::function_ref<void(OpPassManager &pm)> pipeline_builder,
    llvm::StringRef module_name = llvm::StringRef(),
    llvm::StringRef dump_prefix = "tf_xla_bridge_v2") {
  // Explicitly check that the TensorFlow dialect can constant fold ops.

Status ConvertMlirFunctionToFunctionLibraryDef(mlir::func::FuncOp func,
                                               const GraphExportConfig& configs,
                                               FunctionDef* function_def);

}  // namespace v2
}  // namespace tf2xla
}  // namespace tensorflow

Status ConvertMlirFunctionToFunctionLibraryDef(mlir::func::FuncOp func,
                                               const GraphExportConfig& configs,
                                               FunctionDef* function_def);
}  // namespace tensorflow

  // Decomposes the op in the NodeDef to a set of primitive ops according to the
  // decompose library in the context. Wrap the decomposed result in a
  // FunctionDef.
  absl::StatusOr<FunctionDef> ExpandNode(const NodeDef& node_def,
                                         StringPiece func_name);

  // Runs the decompose passes on the user_module.
  Status DecomposeGraph(mlir::ModuleOp user_module);

namespace graph {
using tensorflow::AbstractFunction;
// Thin wrapper around a FunctionDef.
class GraphFunction : public AbstractFunction {
 public:
  explicit GraphFunction(FunctionDef fdef);
  ~GraphFunction() override;

  // GraphFunction maybe stay alive for the duration of the returned
  // FunctionDef.
  Status GetFunctionDef(const FunctionDef** fdef) override;

  // Returns a shared reference to the wrapped function.

  // Returns which subclass is this instance of.
  AbstractFunctionKind getKind() const { return kind_; }

  // Returns the AbstractFunction as a FunctionDef.
  virtual Status GetFunctionDef(const FunctionDef**) = 0;

  // Returns a shared reference to the wrapped function.
  virtual absl::StatusOr<core::RefCountPtr<FunctionRecord>>
  GetFunctionRecord() = 0;

 private:
  const AbstractFunctionKind kind_;
};

using AbstractFunctionPtr =

namespace tensorflow {
namespace tracing {
namespace graph {
GraphFunction::GraphFunction(FunctionDef fdef)
    : AbstractFunction(kGraph),
      func_record_(new FunctionRecord(std::move(fdef), {}, true)) {}
GraphFunction::~GraphFunction() {}
Status GraphFunction::GetFunctionDef(const FunctionDef **fdef) {
  *fdef = &(func_record_->fdef());
  return absl::OkStatus();
}
}  // namespace graph