private function createProxy(AggregateContainer $aggregateContainer)
 {
     $serializedMetadata = $aggregateContainer->serializedMetadata();
     $aggregateClassName = $this->serializer->getAggregateClass($serializedMetadata);
     return $this->proxyFactory->createProxy($aggregateClassName, function (&$wrappedObject, $proxy, $method, $parameters, &$initializer) use($aggregateContainer) {
         $serializationResult = new SerializationResult($aggregateContainer->serializedAggregate(), $aggregateContainer->serializedMetadata());
         $wrappedObject = $this->serializer->deserialize($serializationResult, $this);
         $initializer = null;
         // turning off further lazy initialization
         $aggregateContainer->setAggregate($wrappedObject);
     });
 }