// 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);

  // Erases the tfr_module created.
  void Destroy();

 private:
  mlir::ModuleOp tfr_module_;
  mlir::PassManager pm_;

  GraphExportConfig export_confs_;
};

  // Run the decompose passes on the module
  TF_RETURN_IF_ERROR(DecomposeGraph(module));

  // Export the result as a FunctionDef.
  FunctionDef func_def;
  TF_RETURN_IF_ERROR(
      ConvertMlirFunctionToFunctionLibraryDef(func, export_confs_, &func_def));
  module.erase();
  return func_def;
}

Status TFRDecomposeContext::DecomposeGraph(mlir::ModuleOp user_module) {

    return absl::OkStatus();
  }

  tf_core_op_expansion_graph_counter->GetCell()->IncrementBy(1);

  LOG_FIRST_N(INFO, 1) << "Run Graph Decomposition Passes";

  TF_RETURN_IF_ERROR(DecomposeGraph(module));

  LOG_FIRST_N(INFO, 1) << "Finish Graph Decomposition Passes";

  return absl::OkStatus();
}

namespace {
constexpr int kMlirGraphDecomposePassPriority = -1;