@interface ARRollingNumberSeries : NSObject { double *_series; unsigned long long _currentIndex; double _sumVariance; } @property (readonly, nonatomic) unsigned long long windowSize; @property (readonly, nonatomic) unsigned long long count; @property (readonly, nonatomic) double sum; @property (readonly, nonatomic) double max; @property (readonly, nonatomic) double min; @property (readonly, nonatomic) double average; @property (readonly, nonatomic) double variance; - (void)clear; - (void)dealloc; - (id)initWithWindowSize:(unsigned long long)a0; - (void)appendNumber:(double)a0; @end