protected function execute(InputInterface $input, OutputInterface $output)
{
$groupPattern = $input->getArgument('group');
$repository = new Repository();
foreach ($repository->findLogGroups($groupPattern) as $logGroup) {
/* @var $logGroup LogGroup */
$output->writeln('Deleting ' . $logGroup->getLogGroupName());
$repository->deleteLogGroup($logGroup->getLogGroupName());
}
}