@class HKQuantity, NSDateInterval; @interface HKChartSummaryTrendSpan : NSObject @property (readonly, nonatomic) NSDateInterval *trendDateInterval; @property (readonly, nonatomic) HKQuantity *trendAverage; - (unsigned long long)hash; - (void).cxx_destruct; - (BOOL)isEqual:(id)a0; - (id)initWithTrendDateInterval:(id)a0 trendAverage:(id)a1; @end