protected function generateSitesRootFusion($packageKey, $siteName)
    {
        $templatePathAndFilename = 'resource://Neos.SiteKickstarter/Private/Generator/Fusion/Root.fusion';

        $contextVariables = [
            'packageKey' => $packageKey,
            'siteName' => $siteName,
            'siteNodeName' => $this->generateSiteNodeName($packageKey)
        ];

        $fileContent = $this->renderSimpleTemplate($templatePathAndFilename, $contextVariables);

        $sitesRootFusionPathAndFilename = $this->packageManager->getPackage($packageKey)->getResourcesPath() . 'Private/Fusion/Root.fusion';
        $this->generateFile($sitesRootFusionPathAndFilename, $fileContent);
    }