Question about $pagination->rangeEnd()

When you use $pagination->rangeEnd() do you have to pass the $range variable as with $pagination->range($range=5) or can it work like this:

$pagrange = $pagination->range($range=5);
$rangestart = $pagination->rangeStart();
$rangeend = $pagination->rangeEnd();

rangeStart() and rangeEnd() do not take a parameter; they return the first/last page of the given range.