public function getListInstallerCommands($returnList = true) {
		$commandsList = $this->_getListInstallerCommandsFull();
		$installerCommands = $this->_getConfigValueArray('installerCommands');
		$result = array_intersect_key($commandsList, array_flip($installerCommands));
		if ($returnList) {
			$result = array_keys($result);
		}

		return $result;
	}