Neos\Flow\Core\Booting\Scripts::initializeCacheManagement PHP Method

    public static function initializeCacheManagement(Bootstrap $bootstrap)
    {
        /** @var ConfigurationManager $configurationManager */
        $configurationManager = $bootstrap->getEarlyInstance(ConfigurationManager::class);
        $environment = $bootstrap->getEarlyInstance(Environment::class);
        $cacheFactoryObjectConfiguration = $configurationManager->getConfiguration(ConfigurationManager::CONFIGURATION_TYPE_OBJECTS, CacheFactoryInterface::class);
        $cacheFactoryClass = isset($cacheFactoryObjectConfiguration['className']) ? $cacheFactoryObjectConfiguration['className'] : CacheFactory::class;
        /** @var CacheFactory $cacheFactory */
        $cacheFactory = new $cacheFactoryClass($bootstrap->getContext(), $environment);
        $cacheManager = new CacheManager();
        $cacheManager->setCacheConfigurations($configurationManager->getConfiguration(ConfigurationManager::CONFIGURATION_TYPE_CACHES));
        $cacheManager->injectConfigurationManager($configurationManager);
        $cacheManager->injectSystemLogger($bootstrap->getEarlyInstance(SystemLoggerInterface::class));
        $cacheManager->injectEnvironment($environment);
        $cacheManager->injectCacheFactory($cacheFactory);
        $cacheFactory->injectCacheManager($cacheManager);
        $bootstrap->setEarlyInstance(CacheManager::class, $cacheManager);
        $bootstrap->setEarlyInstance(CacheFactory::class, $cacheFactory);
    }