private function denormalizeTemporaryFixture(
        FixtureBag $builtFixtures,
        string $className,
        array $specs,
        FlagBag $flags
    ): array {
        $tempFixtureId = uniqid('temporary_id');
        $builtFixtures = $this->denormalizer->denormalize(
            $builtFixtures,
            $className,
            $tempFixtureId,
            $specs,
            $flags
        );

        $tempFixture = $builtFixtures->get($tempFixtureId);
        $builtFixtures = $builtFixtures->without($tempFixture);

        return [$tempFixture, $builtFixtures];
    }