/**
* Constructor.
*
* @param string $question The question you want to ask.
* @param $default $default The default value.
* @param IOInterface $io The input object.
*
* @since 2.0
*/
function __construct($question = null, $default = null, IOInterface $io = null)
{
$this->io = $io ?: IOFactory::getIO();
$this->question = $question;
$this->default = $default;
$this->init();
}
