getPrivateContainer example

throw $e;
            }
            if (isset($container->privates[$renamedId])) {
                throw new InvalidArgumentException(sprintf('The "%s" service is already initialized, you cannot replace it.', $id));
            }
            $container->privates[$renamedId] = $service;
        }
    }

    public function has(string $id): bool
    {
        return $this->getPublicContainer()->has($id) || $this->getPrivateContainer()->has($id);
    }

    public function get(string $id, int $invalidBehavior = self::EXCEPTION_ON_INVALID_REFERENCE): ?object
    {
        return $this->getPrivateContainer()->has($id) ? $this->getPrivateContainer()->get($id) : $this->getPublicContainer()->get($id, $invalidBehavior);
    }

    public function initialized(string $id): bool
    {
        return $this->getPublicContainer()->initialized($id);
    }