protected function configure()
{
$this->setName('export')->setDescription('Export dependency graph image for given project directory')->addArgument('dir', InputArgument::OPTIONAL, 'Path to project directory to scan', '.')->addArgument('output', InputArgument::OPTIONAL, 'Path to output image file')->addOption('format', null, InputOption::VALUE_REQUIRED, 'Image format (svg, png, jpeg)');
}