@class NSSet; @interface PGDeduper : NSObject @property (copy, nonatomic) NSSet *identifiersOfRequiredItems; - (void).cxx_destruct; - (BOOL)itemIsRequired:(id)a0; - (id)deduplicatedItemsWithItems:(id)a0 debugInfo:(id)a1 progressBlock:(id /* block */)a2; - (id)requiredItemsInItems:(id)a0; @end