protected function execute(InputInterface $input, OutputInterface $output)
 {
     try {
         $configuration = new Configurator(self::PHPSTORM_YML_NAME);
         if ($configuration->setUpIndents()) {
             $output->writeln(self::SUCCESS_MESSAGE);
         }
     } catch (ConfigurationException $e) {
         $output->writeln($e->getMessage());
     }
 }