Neos\Neos\Domain\Service\SiteImportService::initializeObject PHP Method

    public function initializeObject()
    {
        $this->imageVariantClassNames = $this->reflectionService->getAllSubClassNamesForClass(ImageVariant::class);
        array_unshift($this->imageVariantClassNames, ImageVariant::class);
        $this->assetClassNames = $this->reflectionService->getAllImplementationClassNamesForInterface(AssetInterface::class);
        $this->dateTimeClassNames = $this->reflectionService->getAllSubClassNamesForClass('DateTime');
        array_unshift($this->dateTimeClassNames, 'DateTime');
    }