protected function getDefaultTemplateParameters(): array
    {
        if ($this->siteUrl === null) {
            $this->siteUrl = $this->urlGenerator->generate(
                'ez_urlalias',
                [
                    'locationId' => $this->configResolver->getParameter('content.tree_root.location_id'),
                ],
                UrlGeneratorInterface::ABSOLUTE_URL
            );
        }

        if ($this->siteName === null) {
            $this->siteName = trim($this->siteInfoHelper->getSiteInfoContent()->getField('site_name')->value->text);
        }

        return [
            'site_url' => $this->siteUrl,
            'site_name' => $this->siteName,
        ];
    }