@class NSDateInterval; @interface RTFamiliarityIndexResult : NSObject @property (class, readonly) BOOL supportsSecureCoding; @property (readonly, copy, nonatomic) NSDateInterval *dateInterval; @property (readonly, nonatomic) double familiarityIndex; - (void)encodeWithCoder:(id)a0; - (id)description; - (void).cxx_destruct; - (BOOL)isEqual:(id)a0; - (id)initWithCoder:(id)a0; - (id)copyWithZone:(struct _NSZone { } *)a0; - (id)initWithDateInterval:(id)a0 familiarityIndex:(double)a1; @end