private function addNestedDtoToCollection(
        DataTransferObjectInterface $dto,
        string $propertyName,
        string $entityInterfaceFqn
    ): void {
        $collectionGetter = 'get' . $propertyName;
        $dto->$collectionGetter()->add(
            $this->createDtoRelatedToDto(
                $dto,
                $this->namespaceHelper->getEntityFqnFromEntityInterfaceFqn($entityInterfaceFqn)
            )
        );
    }