public function getBaseImageUrl(): string
    {
        return $this->_storeManager->getStore()->getBaseUrl(\Magento\Framework\UrlInterface::URL_TYPE_MEDIA);
    }
public function getBaseImageUrl(): string
    {
        return $this->_storeManager->getStore()->getBaseUrl(\Magento\Framework\UrlInterface::URL_TYPE_MEDIA);
    }
public function getBaseImageUrl ( ) : string { return $ this -> _storeManager -> getStore ( ) -> getBaseUrl ( \ Magento \ Framework \ UrlInterface :: URL_TYPE_MEDIA ) ; }
get base image url

@return string
get base image url