@class NSString, NSData, NSURL; @interface NNMKComposedMessageAttachment : NSObject <NSSecureCoding> @property (class, readonly) BOOL supportsSecureCoding; @property (retain, nonatomic) NSString *fileName; @property (retain, nonatomic) NSData *data; @property (retain, nonatomic) NSURL *url; @property (retain, nonatomic) NSString *mimeType; @property (retain, nonatomic) NSString *utiType; @property (nonatomic) unsigned long long fileSize; - (void)encodeWithCoder:(id)a0; - (void).cxx_destruct; - (id)initWithCoder:(id)a0; - (void)logTransmission; - (BOOL)prepareForArchiving; @end