setGeneratorStrategy example

class RuntimeInstantiator implements InstantiatorInterface
{
    private Configuration $config;
    private ProxyGenerator $generator;

    public function __construct()
    {
        $this->config = new Configuration();
        $this->config->setGeneratorStrategy(new EvaluatingGeneratorStrategy());
        $this->generator = new ProxyGenerator();
    }

    public function instantiateProxy(ContainerInterface $container, Definition $definition, string $id, callable $realInstantiator): object
    {
        $proxifiedClass = new \ReflectionClass($this->generator->getProxifiedClass($definition));

        $factory = new class($this->config, $this->generator) extends LazyLoadingValueHolderFactory {
            use LazyLoadingFactoryTrait;
        };