public function __construct()
 {
     parent::__construct('course-rebuild', 'cache');
     $this->addOption('a|all', 'rebuild all courses cache');
     $this->addArgument('courseid');
     $this->minArguments = 0;
 }

 protected function getArgumentsHelp()
 {
     $help = parent::getArgumentsHelp();
     $help .= "\n\n";
     $help .= "To get all files from course N use 'course=N' as an argument.";
     return $help;
 }

 protected function getArgumentsHelp()
 {
     $help = parent::getArgumentsHelp();
     $help .= "\n\n";
     $help .= "Check moodledata files present on disk but not in DB.";
     return $help;
 }

 public function __construct()
 {
     parent::__construct('update', 'languages');
     $this->addOption('l|lang', 'use two letters language code (-l=he)');
     // Not implemented, yet.
     $this->addOption('v|version:', 'version');
 }

 public function __construct()
 {
     parent::__construct('reinstall', 'module');
     $this->addArgument('name');
     //$this->addOption('t|test', 'option with no value');
     //$this->addOption('o|option:', 'option with value and default', 'default');
 }

 public function __construct()
 {
     parent::__construct('code-check');
     $this->addOption('p|path:', 'path to check code');
     $this->addOption('i|interactive', 'interactive code check');
     $this->addOption('r|repair', 'repair code before check. Commit changes before, or data might be lost');
 }

 protected function getArgumentsHelp()
 {
     $help = parent::getArgumentsHelp();
     $help .= "\n\n";
     $help .= $this->onErrorHelp();
     return $help;
 }

 public function __construct()
 {
     parent::__construct('config-set', 'category');
     $this->addArgument('id');
     $this->addArgument('setting');
     $this->addArgument('value');
 }

 public function __construct()
 {
     parent::__construct('versionbump', 'dev');
     //$this->addArgument('name');
     //$this->addOption('t|test', 'option with no value');
     //$this->addOption('o|option:', 'option with value and default', 'default');
 }

 public function __construct()
 {
     parent::__construct('parse-perflog', 'apache');
     $this->addArgument('logfile');
     $this->addOption('t|table', 'table name', 'perflog');
     $this->addOption('j|json', 'json');
 }

 public function __construct()
 {
     parent::__construct('enableselfenrol', 'course');
     $this->addOption('k|key:', 'enrolment key - defaults to none');
     $this->addArgument('id');
     $this->maxArguments = 255;
 }

 public function __construct()
 {
     parent::__construct('call', 'webservice');
     $this->addOption('t|token:', 'token');
     $this->addOption('p|params:', 'params');
     $this->addArgument('function');
 }

 public function __construct()
 {
     parent::__construct('reset', 'course');
     $this->addArgument('id');
     $this->addOption('n|no-action', 'no action, only show settings');
     $this->addOption('s|settings:', 'course restore settings');
 }

 public function __construct()
 {
     parent::__construct('unenrol', 'cohort');
     $this->addArgument('cohortid');
     $this->addArgument('userid');
     $this->maxArguments = 255;
 }

 public function __construct()
 {
     parent::__construct('list', 'category');
     $this->addArgument('search');
     $this->minArguments = 0;
     $this->maxArguments = 255;
 }

 public function __construct()
 {
     parent::__construct('manage', 'module');
     $this->addArgument('action');
     $this->addArgument('blockname');
     $this->addOption('f|force', 'force delete of module from disk');
 }

 public function __construct()
 {
     parent::__construct('concurrency', 'report');
     $this->addOption('f|from:', 'from date in YYYYMMDD or YYYY-MM-DD format (default is 30 days backwards)', '-30 days');
     $this->addOption('t|to:', 'to date in YYYYMMDD or YYYY-MM-DD format (default is today)');
     $this->addOption('p|period:', 'period of time in minutes', 5);
 }

 public function __construct()
 {
     parent::__construct('list', 'course');
     $this->addArgument('search');
     $this->addOption('i|idnumber', 'show idnumber');
     $this->maxArguments = 255;
 }

 public function __construct()
 {
     parent::__construct('create', 'role');
     $this->addOption('n|name:');
     $this->addOption('d|description:');
     $this->addOption('a|archetype:');
     $this->addArgument('shortname');
 }

 public function __construct()
 {
     parent::__construct('restore', 'course');
     $this->addArgument('backup_file');
     $this->addArgument('category_id');
     $this->addOption('d|directory', 'restore from extracted directory (1st param) under tempdir/backup');
     $this->addOption('e|existing', 'restore into existing course, id provided instead of category_id');
 }