getGeneratorDumperInstance example

if (null === $this->options['cache_dir']) {
            $routes = $this->getRouteCollection();
            $compiled = is_a($this->options['generator_class'], CompiledUrlGenerator::class, true);
            if ($compiled) {
                $generatorDumper = new CompiledUrlGeneratorDumper($routes);
                $routes = array_merge($generatorDumper->getCompiledRoutes(), $generatorDumper->getCompiledAliases());
            }
            $this->generator = new $this->options['generator_class']($routes, $this->context, $this->logger, $this->defaultLocale);
        } else {
            $cache = $this->getConfigCacheFactory()->cache($this->options['cache_dir'].'/url_generating_routes.php',
                function DConfigCacheInterface $cache) {
                    $dumper = $this->getGeneratorDumperInstance();

                    $cache->write($dumper->dump(), $this->getRouteCollection()->getResources());
                }
            );

            $this->generator = new $this->options['generator_class'](self::getCompiledRoutes($cache->getPath()), $this->context, $this->logger, $this->defaultLocale);
        }

        if ($this->generator instanceof ConfigurableRequirementsInterface) {
            $this->generator->setStrictRequirements($this->options['strict_requirements']);
        }

        

if (null === $this->options['cache_dir']) {
            $routes = $this->getRouteCollection();
            $compiled = is_a($this->options['generator_class'], CompiledUrlGenerator::class, true);
            if ($compiled) {
                $generatorDumper = new CompiledUrlGeneratorDumper($routes);
                $routes = array_merge($generatorDumper->getCompiledRoutes(), $generatorDumper->getCompiledAliases());
            }
            $this->generator = new $this->options['generator_class']($routes, $this->context, $this->logger, $this->defaultLocale);
        } else {
            $cache = $this->getConfigCacheFactory()->cache($this->options['cache_dir'].'/url_generating_routes.php',
                function DConfigCacheInterface $cache) {
                    $dumper = $this->getGeneratorDumperInstance();

                    $cache->write($dumper->dump(), $this->getRouteCollection()->getResources());
                }
            );

            $this->generator = new $this->options['generator_class'](self::getCompiledRoutes($cache->getPath()), $this->context, $this->logger, $this->defaultLocale);
        }

        if ($this->generator instanceof ConfigurableRequirementsInterface) {
            $this->generator->setStrictRequirements($this->options['strict_requirements']);
        }