@interface CATIBitVector : NSObject { unsigned long long _bitsPerBlock; unsigned long long _bitShift; char *_data; } @property (readonly) unsigned long long numberOfBits; @property (readonly) unsigned long long numberOfBytes; - (void)dealloc; - (id)data; - (BOOL)testAtIndex:(unsigned long long)a0; - (id)initWithNumberOfBits:(unsigned long long)a0; - (void)setAtIndex:(unsigned long long)a0; @end