Symfony\Component\Console\Descriptor\TextDescriptor::getCommandAliasesText PHP Method

    private function getCommandAliasesText($command)
    {
        $text = '';
        $aliases = $command->getAliases();
        if ($aliases) {
            $text = '[' . implode('|', $aliases) . '] ';
        }
        return $text;
    }