I think you probably have answered the question - if you look at:
https://github.com/moodle/moodle/blob/master/lib/setuplib.php#L449
the PHPDoc comment explains exactly what all the params mean.
I think you probably have answered the question - if you look at:
https://github.com/moodle/moodle/blob/master/lib/setuplib.php#L449
the PHPDoc comment explains exactly what all the params mean.