Task/SplitJoinLineTask.php
public function next(ProcessState $state): bool
    {
        $valid = parent::next($state);
        if (!$valid) {
            $this->iterator = null;
        }

        return $valid;
    }
public function next(ProcessState $state): bool
    {
        $valid = parent::next($state);
        if (!$valid) {
            $this->iterator = null;
        }

        return $valid;
    }
{@inheritdoc}