@class NSString, NSArray; @interface DocumentUnderstanding.DUDocumentMessageData : NSObject <NSCoding, NSCopying> { void /* unknown type, empty encoding */ conversationIdentifier; void /* unknown type, empty encoding */ creatorHandle; void /* unknown type, empty encoding */ recipientHandles; void /* unknown type, empty encoding */ recipientNames; void /* unknown type, empty encoding */ attachmentFileName; void /* unknown type, empty encoding */ attachmentFilePath; } @property (nonatomic, copy) NSString *conversationIdentifier; @property (nonatomic, copy) NSString *creatorHandle; @property (nonatomic, copy) NSArray *recipientHandles; @property (nonatomic, copy) NSArray *recipientNames; @property (nonatomic, copy) NSString *attachmentFileName; @property (nonatomic, copy) NSString *attachmentFilePath; - (id)init; - (void)encodeWithCoder:(id)a0; - (void).cxx_destruct; - (BOOL)isEqual:(id)a0; - (id)initWithCoder:(id)a0; - (id)copyWithZone:(void *)a0; @end