/**
  * Initializes the handler.
  *
  * @param AbstractLinkBrowserController $linkBrowser
  * @param string $identifier
  * @param array $configuration Page TSconfig
  *
  * @return void
  */
 public function initialize(AbstractLinkBrowserController $linkBrowser, $identifier, array $configuration)
 {
     parent::initialize($linkBrowser, $identifier, $configuration);
     $this->identifier = $identifier;
     $this->configuration = $configuration;
 }