private function getCLICommandArguments()
    {
        $command = '';
        $combinedArguments = array_merge($this->globalCommandArguments, $this->commandArguments);
        if (count($combinedArguments) > 0) {
            $command .= ' ' . implode(' ', array_map('escapeshellarg', $combinedArguments));
        }
        return $command;
    }