@class NSDictionary; @interface STDeviceActivityDataSourceInterface : NSObject @property (class, readonly, copy) NSDictionary *deviceIdentifiersByUserAltDSID; @property (class, readonly, copy) NSDictionary *deviceIdentifierByCoreDuetIdentifier; + (void)setGenesisDate:(id)a0; + (void)weeklyNotificationPayloadUsingCoreDuetIdentifiers:(id)a0 userAltDSID:(id)a1 completionHandler:(id /* block */)a2; @end