@class NSArray, _DKHistogram, NSDate; @interface _DKPredictionTimeline : NSObject <NSCopying, NSSecureCoding> { NSDate *_startDate; NSArray *_transitionDates; NSArray *_values; } @property (class, readonly) BOOL supportsSecureCoding; @property (readonly, nonatomic) NSDate *startDate; @property (readonly, nonatomic) NSDate *endDate; @property (readonly, nonatomic) NSArray *transitionDates; @property (retain, nonatomic) _DKHistogram *startHistogram; @property (retain, nonatomic) _DKHistogram *endHistogram; + (id)timelineWithValues:(id)a0 eachWithDuration:(double)a1 startingAt:(id)a2; + (id)predictionUnavailable; + (id)timelineWithValues:(id)a0 forDurations:(id)a1 startingAt:(id)a2; - (id)largestDateRangeWithValuesBetween:(double)a0 and:(double)a1 ofMinimumDuration:(double)a2; - (void)encodeWithCoder:(id)a0; - (BOOL)isUnavailable; - (id)description; - (id)valueAtDate:(id)a0; - (void).cxx_destruct; - (id)nextDateRangeWithValuesBetween:(double)a0 and:(double)a1 ofMinimumDuration:(double)a2; - (BOOL)isEqual:(id)a0; - (id)initWithCoder:(id)a0; - (id)copyWithZone:(struct _NSZone { } *)a0; @end