@class HMMIntervalMapper; @interface HMDLogEventHistograms : NSObject @property (class, readonly) HMMIntervalMapper *memoryHistogram; @property (class, readonly) HMMIntervalMapper *latencyHistogram; @property (class, readonly) HMMIntervalMapper *successRateHistogram; @property (class, readonly) HMMIntervalMapper *lowVolumeHistogram; @property (class, readonly) HMMIntervalMapper *highVolumeHistogram; @property (class, readonly) HMMIntervalMapper *configurationDataHistogram; @property (class, readonly) HMMIntervalMapper *fileSizeHistogram; + (void)initialize; @end