@class NSString, NSURL, ECMessageFlagChange; @interface ECFlagChangeUndownloadedMessageAction : ECLocalMessageAction <ECFlagChangeUndownloadedMessageActionBuilder> @property (copy, nonatomic) NSString *oldestPersistedRemoteID; @property (retain, nonatomic) ECMessageFlagChange *flagChange; @property (retain, nonatomic) NSString *messageActionPersistentID; @property (retain, nonatomic) NSURL *mailboxURL; @property (nonatomic) BOOL userInitiated; @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; - (id)initWithBuilder:(id /* block */)a0; - (void).cxx_destruct; @end