src/Viserio/Component/Console/Command/AbstractCommand.php
public function ask(string $question, ?string $default = null): ?string
    {
        return $this->getOutput()->ask($question, $default);
    }
public function ask(string $question, ?string $default = null): ?string
    {
        return $this->getOutput()->ask($question, $default);
    }
Prompt the user for input.

@param string      $question
@param null|string $default

@return null|string