@class HMDTimePeriodElement; @interface HMDTimePeriodNotificationCondition : HMDNotificationCondition @property (readonly) HMDTimePeriodElement *startElement; @property (readonly) HMDTimePeriodElement *endElement; + (BOOL)supportsSecureCoding; + (id)type; - (unsigned long long)hash; - (void)encodeWithCoder:(id)a0; - (id)initWithDictionary:(id)a0; - (void).cxx_destruct; - (id)attributeDescriptions; - (BOOL)isEqual:(id)a0; - (id)initWithCoder:(id)a0; - (id)copyWithZone:(struct _NSZone { } *)a0; - (id)initWithStartElement:(id)a0 endElement:(id)a1; - (id)serializedRegistrationForRemoteMessage; - (id)timePeriodElementFromDictionary:(id)a0; @end