/**
  * Execute the console command.
  *
  * @param  \Symfony\Component\Console\Input\InputInterface  $input
  * @param  \Symfony\Component\Console\Output\OutputInterface  $output
  * @return mixed
  */
 protected function execute(InputInterface $input, OutputInterface $output)
 {
     $method = method_exists($this, 'handle') ? 'handle' : 'fire';
     return $this->container->call([$this, $method]);
 }