Library Features with built-in Mate References?

I've tried several times to get a library feature to carry an"embedded" mate reference into a part using the feature. It wouldbe so great to be able to position, say, a specialized holepattern, & then drop in the related component which snaps rightinto place, with not so much as an alt-click!

Am I missing something, or is this something for EnhancementRequests?SolidworksParts And Features