/**
* Configure the command.
*
* @return void
*
* @since 4.0.0
*/
protected function configure() : void
{
$help = "<info>%command.name%</info> removes old files which should have been deleted during a Joomla update\n\t\t\nUsage: <info>php %command.full_name%</info>";
$this->setDescription('Remove old system files');
$this->addOption('dry-run', null, InputOption::VALUE_NONE, 'Executes a dry run without deleting anything');
$this->setHelp($help);
}