private function renderEditButton($caption, $title, UrlBuilder $url)
    {
        $icon = $this->iconBuilder->getBackendIconImageTag(
            'system/themes/flexible/icons/alias.svg',
            $caption,
            'style="vertical-align:top"'
        );

        return sprintf(
            '<a href="%s" title="%s" style="padding-left:3px">%s</a>',
            $url->getUrl(),
            $title,
            $icon
        );
    }