protected function configure()
{
$this->setName('sys:info')->addArgument('key', InputArgument::OPTIONAL, 'Only output value of named param like "version". Key is case insensitive.')->setDescription('Prints infos about the current magento system.')->addOption('format', null, InputOption::VALUE_OPTIONAL, 'Output Format. One of [' . implode(',', RendererFactory::getFormats()) . ']');
}