protected function _getJavascriptTemplateBlockBegin()
    {
        $appendix = $this->debug ? '_debug' : '';

        $scriptTag = ($this->cspNonce === null)
            ? '<script>'
            : '<script nonce="' . $this->cspNonce . '">';

        return ($this->renderScriptBlock)
            ? $scriptTag . "(function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){(i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)})(window,document,'script','//www.google-analytics.com/analytics{$appendix}.js','ga');"
            : '';
    }