protected function outputFixtures(InputInterface $input, OutputInterface $output, $fixtures)
    {
        $output->writeln(
            sprintf(
                'List of "%s" data fixtures ...',
                $this->getTypeOfFixtures($input)
            )
        );
        foreach ($fixtures as $fixture) {
            $output->writeln(sprintf('  <comment>></comment> <info>%s</info>', get_class($fixture)));
        }
    }