@class NSMutableData, NLNumberGenerator, NLDataProvider; @interface NLDataEnumerator : NSObject { NLDataProvider *_dataProvider; unsigned long long _idx; NLNumberGenerator *_generator; NSMutableData *_shuffleData; } @property (readonly, retain) NLDataProvider *dataProvider; @property (readonly) unsigned long long index; - (id)nextInstance; - (void).cxx_destruct; - (id)initWithDataProvider:(id)a0; - (void)shuffle; - (id)initWithDataProvider:(id)a0 numberGenerator:(id)a1; - (id)instanceAtIndex:(unsigned long long)a0; - (void)rewind; - (void)rewindAndShuffle:(BOOL)a0; @end