ConfigCacheFactory example

protected function getMatcherDumperInstance(): MatcherDumperInterface
    {
        return new $this->options['matcher_dumper_class']($this->getRouteCollection());
    }

    /** * Provides the ConfigCache factory implementation, falling back to a * default implementation if necessary. */
    private function getConfigCacheFactory(): ConfigCacheFactoryInterface
    {
        return $this->configCacheFactory ??= new ConfigCacheFactory($this->options['debug']);
    }

    private static function getCompiledRoutes(string $path): array
    {
        if ([] === self::$cache && \function_exists('opcache_invalidate') && filter_var(\ini_get('opcache.enable'), \FILTER_VALIDATE_BOOL) && (!\in_array(\PHP_SAPI, ['cli', 'phpdbg'], true) || filter_var(\ini_get('opcache.enable_cli'), \FILTER_VALIDATE_BOOL))) {
            self::$cache = null;
        }

        if (null === self::$cache) {
            return require $path;
        }