Symfony\Component\DependencyInjection\Dumper\PhpDumper::setProxyDumper PHP Method

    public function setProxyDumper(ProxyDumper $proxyDumper)
    {
        $this->proxyDumper = $proxyDumper;
    }

 protected function getDumper(SymfonyBuilder $container) : DumperInterface
 {
     $dumper = new PhpDumper($container);
     if (class_exists(ProxyDumper::class)) {
         $dumper->setProxyDumper(new ProxyDumper());
     }
     return $dumper;
 }