/**
  * Create locator factory instance.
  *
  * @param ISearchContext    $search_context     Search context.
  * @param AnnotationManager $annotation_manager Annotation manager.
  * @param LocatorHelper     $locator_helper     Locator helper.
  */
 public function __construct(ISearchContext $search_context, AnnotationManager $annotation_manager, LocatorHelper $locator_helper)
 {
     parent::__construct($search_context, $annotation_manager);
     $this->_locatorHelper = $locator_helper;
 }