/**
  * @param \Symfony\Component\Console\Input\InputInterface   $input
  * @param \Symfony\Component\Console\Output\OutputInterface $output
  * @return mixed
  */
 protected function execute(InputInterface $input, OutputInterface $output)
 {
     $output->writeln('<info>INFO:</info> <comment>Configuration (' . $this->config->environment() . ')</comment>');
     $output->writeln('<info>INFO:</info> ' . $this->config->file());
     $output->write(file_get_contents($this->config->file()));
 }