private function dumpProviderSitemap($alias, PortalInformation $portalInformation, $scheme)
    {
        $maxPage = $this->sitemapProviderPool->getProvider($alias)->getMaxPage();
        for ($page = 1; $page <= $maxPage; ++$page) {
            $sitemap = $this->sitemapRenderer->renderSitemap(
                $alias,
                $page,
                $portalInformation->getLocale(),
                $portalInformation->getPortal(),
                $portalInformation->getHost(),
                $scheme
            );

            $this->dumpFile(
                $this->getDumpPath(
                    $scheme,
                    $portalInformation->getWebspaceKey(),
                    $portalInformation->getLocale(),
                    $portalInformation->getHost(),
                    $alias,
                    $page
                ),
                $sitemap
            );
        }
    }