public function getFunctions()
{
return [new \Twig_SimpleFunction('webpack_asset', [$this, 'webpackAsset']), new \Twig_SimpleFunction('webpack_public', [$this, 'webpackPublic']), new \Twig_SimpleFunction('webpack_common_js', [$this, 'webpackCommonJs']), new \Twig_SimpleFunction('webpack_common_css', [$this, 'webpackCommonCss'])];
}