@class NSString, NSHashTable; @interface PUTilingDataSource : NSObject @property (readonly, nonatomic) NSHashTable *_changeObservers; @property (retain, nonatomic) NSString *identifier; - (id)init; - (unsigned long long)hash; - (id)description; - (void).cxx_destruct; - (BOOL)isEqual:(id)a0; - (long long)numberOfSubItemsAtIndexPath:(id)a0; - (void)enumerateIndexPathsStartingAtIndexPath:(id)a0 reverseDirection:(BOOL)a1 usingBlock:(id /* block */)a2; @end