code: public function loadProductMediaGalleryValueByValueIdAndStoreIdAndRowId($valueId, $storeId, $rowId)
      {
          return $this->getProductMediaGalleryValueRepository()->findOneByValueIdAndStoreIdAndRowId($valueId, $storeId, $rowId);
      }
docs: Load's the product media gallery value with the passed value/store/row ID.
  
  @param integer $valueId The value ID of the product media gallery value to load
  @param string  $storeId The store ID of the product media gallery value to load
  @param string  $rowId   The row ID of the parent product of the product media gallery value to load
  
  @return array The product media gallery value