:return: name of product metadata file
        :rtype: str

def get_product_metadata_name(self):
        """
        :return: name of product metadata file
        :rtype: str
        """
        if self.safe_type == EsaSafeType.OLD_TYPE:
            name = _edit_name(self.product_id, 'MTD', 'SAFL1C')
        else:
            name = 'MTD_{}'.format(self.product_id.split('_')[1])
        return '{}.{}'.format(name, MimeType.XML.value)