@class NSData, NSString;

@interface NNMKProtoAttachmentSync : PBCodable <NSCopying> {
    struct { unsigned char fullSyncVersion : 1; } _has;
}

@property (nonatomic) BOOL hasFullSyncVersion;
@property (nonatomic) unsigned int fullSyncVersion;
@property (readonly, nonatomic) BOOL hasDateSynced;
@property (retain, nonatomic) NSData *dateSynced;
@property (readonly, nonatomic) BOOL hasMessageId;
@property (retain, nonatomic) NSString *messageId;
@property (readonly, nonatomic) BOOL hasContentId;
@property (retain, nonatomic) NSString *contentId;
@property (readonly, nonatomic) BOOL hasAttachmentData;
@property (retain, nonatomic) NSData *attachmentData;
@property (readonly, nonatomic) BOOL hasMailboxId;
@property (retain, nonatomic) NSString *mailboxId;

- (unsigned long long)hash;
- (BOOL)readFrom:(id)a0;
- (void)writeTo:(id)a0;
- (id)description;
- (void).cxx_destruct;
- (id)dictionaryRepresentation;
- (void)copyTo:(id)a0;
- (BOOL)isEqual:(id)a0;
- (void)mergeFrom:(id)a0;
- (id)copyWithZone:(struct _NSZone { } *)a0;

@end