@class NSString, NSDictionary, NSDate, SAClientUserActivity; @interface SAActivityObject : SADomainObject @property (copy, nonatomic) NSDate *endDate; @property (copy, nonatomic) NSDictionary *metadata; @property (copy, nonatomic) NSDate *startDate; @property (copy, nonatomic) NSString *streamType; @property (copy, nonatomic) NSString *type; @property (retain, nonatomic) SAClientUserActivity *userActivity; @property (copy, nonatomic) NSString *visibility; + (id)activityObject; + (id)activityObjectWithDictionary:(id)a0 context:(id)a1; - (id)groupIdentifier; - (id)encodedClassName; @end