Method configure

/**
 * Configure the command.
 *
 * @return  void
 *
 * @since   4.0.0
 */
protected function configure() : void
{
    $help = "<info>%command.name%</info> will clear expired entries from the system cache\n\t\t\nUsage: <info>php %command.full_name%</info>";
    $this->setDescription('Clean expired cache entries');
    $this->setHelp($help);
}