public function pollStatusIterator($finalizeResponse)
    {
        $iterations = 0;
        while ($iterations < self::MAX_POLLING_ITERATIONS) {
            $delay = $iterations == 0 ? 0 : self::POLLING_IDLE_TIME;
            yield $this->pollStatusAsync(['items' => $finalizeResponse['importId']], $delay);
            $iterations++;
        }
    }