@class NSDate; @interface WDDateRange : NSObject @property (readonly, nonatomic) NSDate *startDate; @property (readonly, nonatomic) NSDate *endDate; + (id)dateRangeWithStartDate:(id)a0 endDate:(id)a1; + (id)dateRangeWithTimePeriod:(long long)a0 anchorDate:(id)a1; - (id)initWithStartDate:(id)a0 endDate:(id)a1; - (id)description; - (void).cxx_destruct; - (id)_getEndDateFromStartDate:(id)a0 timePeriod:(long long)a1; - (id)_getStartDateFromAnchorDate:(id)a0 timePeriod:(long long)a1; - (BOOL)dateInRange:(id)a0; - (id)initWithTimePeriod:(long long)a0 anchorDate:(id)a1; @end