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getProxyClass example

    public function getProxyFactoryCode(Definition $definition, string $id, string $factoryCode): string
    {
        $instantiation = 'return';

        if ($definition->isShared()) {
            $instantiation .= sprintf(' $container->%s[%s] =', $definition->isPublic() && !$definition->isPrivate() ? 'services' : 'privates', var_export($id, true));
        }

        $asGhostObject = str_contains($factoryCode, '$proxy');
        $proxyClass = $this->getProxyClass($definition, $asGhostObject);

        if (!$asGhostObject) {
            return <<<EOF if (true === \$lazyLoad) { $instantiation \$container->createProxy('$proxyClass', static fn () => \\$proxyClass::createLazyProxy(static fn () => $factoryCode)); } EOF;
        }

final class LazyServiceInstantiator implements InstantiatorInterface
{
    public function instantiateProxy(ContainerInterface $container, Definition $definition, string $id, callable $realInstantiator): object
    {
        $dumper = new LazyServiceDumper();

        if (!$dumper->isProxyCandidate($definition, $asGhostObject, $id)) {
            throw new InvalidArgumentException(sprintf('Cannot instantiate lazy proxy for service "%s".', $id));
        }

        if (!class_exists($proxyClass = $dumper->getProxyClass($definition, $asGhostObject), false)) {
            eval($dumper->getProxyCode($definition, $id));
        }

        return $asGhostObject ? $proxyClass::createLazyGhost($realInstantiator) : $proxyClass::createLazyProxy($realInstantiator);
    }
}