*f = new GraphFunction(std::move(func->record->fdef()));
    TF_DeleteFunction(func);
    TF_RETURN_IF_ERROR(StatusFromTF_Status(s));
    TF_DeleteStatus(s);
    return absl::OkStatus();
  }

  Status RegisterFunction(AbstractFunction* func) override {
    return errors::Unimplemented(
        "Registering graph functions has not been implemented yet.");
  }

  Status RemoveFunction(const string& func) override {

                      const tensorflow::PartialTensorShape& shape,
                      TracingTensorHandle** handle) override;

  Status Finalize(OutputList* outputs, AbstractFunction** f) override;

  Status RegisterFunction(AbstractFunction* func) override {
    return Unimplemented(
        "Registering graph functions has not been implemented yet.");
  }

  Status RemoveFunction(const string& func) override {