public function __construct(QtiImportStrategyBase $strategy, $assessment)
 {
     parent::__construct($strategy->get_renderer()->get_resource_manager());
     $this->strategy = $strategy;
     $this->assessment = $assessment;
 }
 public function __construct($category)
 {
     $renderer = new QtiPartialRenderer();
     $this->strategy = QtiImportStrategyBase::create_moodle_default_strategy($renderer);
     $this->category = $category;
 }