Inside this closet, it's just 4 feet wide and 2 feet deep.  Nothing fancy.

I decided the most practical use of materials and space would be to add shelving 16" deep.  I don't like too deep shelving, but you really need the 16" to store large boxes (up here in Alaska, bulk shopping is a must, so lots of big boxes will get stored inside this pantry).

This would leave a little bit of space to the front for a vac