isUndefined() public method

public isUndefined ( ) : boolean
return boolean
 /**
  * @param IOInterface $io
  * @param Composer    $composer
  *
  * @return Composer
  */
 public static function configure(IOInterface $io, Composer $composer)
 {
     if (true === $composer->isUndefined()) {
         $answer = $io->ask(HookQuestions::COMPOSER_TOOL, HookQuestions::DEFAULT_TOOL_ANSWER);
         $composer = $composer->setEnabled(new Enabled(HookQuestions::DEFAULT_TOOL_ANSWER === strtoupper($answer)));
     }
     return $composer;
 }