/**
  * @param \Magento\Backend\App\Action\Context $context
  * @param \Magento\Framework\Controller\Result\JsonFactory $resultJsonFactory
  */
 public function __construct(\Magento\Backend\App\Action\Context $context, \Magento\Framework\Controller\Result\JsonFactory $resultJsonFactory)
 {
     parent::__construct($context);
     $this->resultJsonFactory = $resultJsonFactory;
 }
 /**
  * @param \Magento\Backend\App\Action\Context $context
  * @param JsonFactory $resultJsonFactory
  */
 public function __construct(\Magento\Backend\App\Action\Context $context, JsonFactory $resultJsonFactory)
 {
     parent::__construct($context);
     $this->resultJsonFactory = $resultJsonFactory;
 }