private function createServiceFromDelegator(string $name, array $options = null)
    {
        // @todo: This selection is necessary only because lazy services
        // configuration currently requires an explicit Delegator definition
        if ($this->delegators[$name][0] === Proxy\LazyServiceFactory::class) {
            return $this->createServiceFromLazyServiceDelegator($name, $options);
        }

        $creationCallback = $this->delegatorCallbackCache[$name] ?? null;
        if ($creationCallback) {
            $object = $creationCallback($this->creationContext, $name, $creationCallback, $options);
            return $object;
        }

        $creationCallback = function () use ($name, $options) {
            return $this->createServiceFromFactory($name, $options);
        };

        foreach ($this->delegators[$name] as $index => $delegatorFactory) {
            if (is_string($delegatorFactory) && class_exists($delegatorFactory)) {
                $delegatorFactory = new $delegatorFactory();
                if ($delegatorFactory instanceof DelegatorFactoryInterface) {
                    $this->delegators[$name][$index] = $delegatorFactory;
                    $creationCallback = function () use ($delegatorFactory, $name, $creationCallback, $options) {
                        return $delegatorFactory($this->creationContext, $name, $creationCallback, $options);
                    };
                    continue;
                }
            }
            if (is_callable($delegatorFactory)) {
                $creationCallback = function () use ($delegatorFactory, $name, $creationCallback, $options) {
                    return $delegatorFactory($this->creationContext, $name, $creationCallback, $options);
                };
                continue;
            }
            if (is_string($delegatorFactory)) {
                throw InvalidArgumentException::fromInvalidDelegatorFactoryClass($delegatorFactory);
            }
            throw InvalidArgumentException::fromInvalidDelegatorFactoryInstance($delegatorFactory);
        }

        //cache the callback for later requests
        $this->delegatorCallbackCache[$name] = $creationCallback;
        return $creationCallback($this->creationContext, $name, $creationCallback, $options);
    }