/**
* @param ReadInterface $file
* @return array|bool
* @throws LocalizedException
*/
private function getHeaders(ReadInterface $file)
{
// check and skip headers
$headers = $file->readCsv();
if ($headers === false || count($headers) < 5) {
throw new LocalizedException(__('Please correct Table Rates File Format.'));
}
return $headers;
}
