protected function command(InputInterface $input, OutputInterface $output) { $parent = $input->getArgument('parent'); $alias = $input->getArgument('alias'); $flags = $input->getOption('flags'); $flags = $this->validateDestroyFlags($flags); $cmd = 'runtime:destroy'; $opts = ['alias' => $alias, 'flags' => $flags]; return $this->informServer($parent, $cmd, $opts); }