Googling for CoreWLAN brings a mere 701 results -- Apple's own shallow reference isn't even there, at least not on the first pages.
For instance, I would like to know what are the possible values of kCWScanKeyScanType when scanning for networks. Apple will only say it defaults to APScanTypeActive, but doesn't explain what that means or what are the other possibilities. I obscurely came across a QT commit which uses kCWScanTypeFast, for which there are no Google results except for 3 commit logs.
It seems I'm missing something. Where can I get a full reference on CoreWLAN, if one exists? If it doesn't, how did Nokia discover kCWScanTypeFast?