OverlayPackage Collection

any → Boolean
True if there are any items in the collection

count → Number
The number of items in the collection

empty → Boolean
True if the collection is empty

first → OverlayPackage
The first item in the collection or null if empty

last → OverlayPackage
The last item in the collection or null if empty

reverse → OverlayPackage Collection
The collection in reverse order