/**
* @param StorageConfig $mount
* @param string $key
* @param OutputInterface $output
*/
protected function getOption(StorageConfig $mount, $key, OutputInterface $output)
{
$value = $mount->getMountOption($key);
if (!is_string($value)) {
// show bools and objects correctly
$value = json_encode($value);
}
$output->writeln($value);
}