/**
  * @return string
  */
 public function linkCSS()
 {
     $output = "";
     foreach ($this->cssFiles as $cssFile) {
         $mediaString = '';
         if ($cssFile->mediaQuery) {
             $mediaString = " media='" . $cssFile->mediaQuery . "' ";
         }
         $output .= sprintf("<link rel='stylesheet' type='text/css' %s href='/css/%s.css?%s' />\n", $mediaString, $cssFile->file, $this->scriptVersion->getValue());
     }
     return $output;
 }
 public function __construct(ScriptVersion $scriptVersion)
 {
     $this->scriptVersion = $scriptVersion->getValue();
 }