public function addInlineAssets($inlineCss, $inlineJs, $inlineHead)
    {
        $this->additionalAssets[] = array(
            'inline_css' => (array) $inlineCss,
            'inline_js' => (array) $inlineJs,
            'inline_head' => (array) $inlineHead
        );
        return $this;
    }