input: [1] nsIFile [2] The file system location where items live. Items can be dropped in at this location. Can be null for Install Locations that don't have a file system presence. Note: This is a clone of the actual location which the caller can modify freely. Read only. [0] 
output: location
options: A t t r i b u t e
options: c a n A c c e s s
options: i t e m L o c a t i o n s
options: l o c a t i o n
options: n a m e
options: p r i o r i t y
options: r e s t r i c t e d