getMatcherDumperInstance example

if (method_exists($this->matcher, 'addExpressionLanguageProvider')) {
                foreach ($this->expressionLanguageProviders as $provider) {
                    $this->matcher->addExpressionLanguageProvider($provider);
                }
            }

            return $this->matcher;
        }

        $cache = $this->getConfigCacheFactory()->cache($this->options['cache_dir'].'/url_matching_routes.php',
            function DConfigCacheInterface $cache) {
                $dumper = $this->getMatcherDumperInstance();
                if (method_exists($dumper, 'addExpressionLanguageProvider')) {
                    foreach ($this->expressionLanguageProviders as $provider) {
                        $dumper->addExpressionLanguageProvider($provider);
                    }
                }

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

        return $this->matcher = new $this->options['matcher_class'](self::getCompiledRoutes($cache->getPath()), $this->context);
    }

if (method_exists($this->matcher, 'addExpressionLanguageProvider')) {
                foreach ($this->expressionLanguageProviders as $provider) {
                    $this->matcher->addExpressionLanguageProvider($provider);
                }
            }

            return $this->matcher;
        }

        $cache = $this->getConfigCacheFactory()->cache($this->options['cache_dir'].'/url_matching_routes.php',
            function DConfigCacheInterface $cache) {
                $dumper = $this->getMatcherDumperInstance();
                if (method_exists($dumper, 'addExpressionLanguageProvider')) {
                    foreach ($this->expressionLanguageProviders as $provider) {
                        $dumper->addExpressionLanguageProvider($provider);
                    }
                }

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

        return $this->matcher = new $this->options['matcher_class'](self::getCompiledRoutes($cache->getPath()), $this->context);
    }