@interface BWRingBuffer : NSObject <NSFastEnumeration> { void *_ringBuffer; int _outputIndex; int _inputIndex; int _length; unsigned long long _typeSize; } - (void)dealloc; - (unsigned long long)countByEnumeratingWithState:(struct { unsigned long long x0; id *x1; unsigned long long *x2; unsigned long long x3[5]; } *)a0 objects:(id *)a1 count:(unsigned long long)a2; @end