public function available()
	{
		$package = $this->arguments->getOpt('package');
		if (!empty($package))
		{
			$versions = Composer::findRemotePackages($package, '*');
			$this->output->addRawFromAssocArray($versions);
		}
		else
		{
			$available = Composer::getAvailablePackages();
			$this->output->addRawFromAssocArray($available);
		}
	}