@class NSString, NSURL; @interface REMMutableCalDAVNotification : REMCalDAVNotification <REMExternalSyncMetadataWritableProviding> @property (retain, nonatomic) NSString *uuidString; @property (retain, nonatomic) NSURL *hostURL; @property (copy, nonatomic) NSString *externalIdentifier; @property (copy, nonatomic) NSString *externalModificationTag; @property (copy, nonatomic) NSString *daSyncToken; @property (copy, nonatomic) NSString *daPushKey; @end