System/Library/Frameworks/FileProvider.framework

FPAppLibraryCollection.h

NSObject
>
FPItemCollection
>
FPExtensionCollection

@interface FPAppLibraryCollection : FPExtensionCollection

- (id)description;
- (BOOL)isCollectionValidForItem:(id)a0;
- (BOOL)isRootItem:(id)a0;

@end