Question/CliQuestion.php
public function getHelper()
    {
        if ($this->helper === null) {
            $this->helper = $this->command->getHelper('question');
        }

        return $this->helper;
    }
public function getHelper()
    {
        if ($this->helper === null) {
            $this->helper = $this->command->getHelper('question');
        }

        return $this->helper;
    }
Get question helper.

@return Symfony\Component\Console\Helper\QuestionHelper
Question helper.