/**
  * Add product to import
  *
  * @param \Magento\CatalogImportExport\Model\Import\Product $product
  * @param string $storeId
  * @return $this
  */
 protected function addProductToImport($product, $storeId)
 {
     if (!isset($this->products[$product->getId()])) {
         $this->products[$product->getId()] = [];
         $this->products[$product->getId()][$storeId] = $product;
     }
     return $this;
 }