@class NSString, NSData, UTType; @interface MSAttachmentItem : NSObject <NSSecureCoding> @property (class, readonly) BOOL supportsSecureCoding; @property (readonly, copy, nonatomic) NSString *contentID; @property (readonly, nonatomic) UTType *uttype; @property (readonly, copy, nonatomic) NSData *data; @property (readonly, copy, nonatomic) NSString *additionalMarkup; - (void)encodeWithCoder:(id)a0; - (void).cxx_destruct; - (id)initWithCoder:(id)a0; - (id)initWithContentID:(id)a0 uttype:(id)a1 data:(id)a2 additionalMarkup:(id)a3; @end