/**
  * Asks the user to enter a value for every required option for the used generator.
  *
  * @param \Symfony\Component\Console\Output\OutputInterface $output
  * @param \Sp\FixtureDumper\Generator\AbstractGenerator     $generator
  *
  * @return array
  */
 protected function askForOptions(OutputInterface $output, AbstractGenerator $generator)
 {
     $dialog = $this->getHelperSet()->get('dialog');
     $options = array();
     foreach ($generator->getRequiredOptions() as $requiredOption) {
         $options[$requiredOption] = $dialog->ask($output, sprintf('<question>Please enter a value for the required option "%s": </question>', $requiredOption));
     }
     return $options;
 }