@class NSArray, NSMutableDictionary, NSDictionary; @interface UISDActivityItemData : NSObject <NSSecureCoding> @property (class, readonly) BOOL supportsSecureCoding; @property (readonly, nonatomic) NSMutableDictionary *attachmentNamesByItem; @property (readonly, nonatomic) NSMutableDictionary *subjectsByItem; @property (readonly, nonatomic) NSMutableDictionary *previewImagesByItem; @property (readonly, nonatomic) NSMutableDictionary *previewImageDataByItem; @property (readonly, nonatomic) NSMutableDictionary *dataTypesByItem; @property (retain, nonatomic) NSArray *securityContexts; @property (retain, nonatomic) NSDictionary *openURLAnnotationsByURL; - (id)init; - (void)encodeWithCoder:(id)a0; - (void).cxx_destruct; - (id)initWithCoder:(id)a0; - (id)subjectForItem:(id)a0; - (void)addAttachmentName:(id)a0 forItem:(id)a1; - (void)addDataType:(id)a0 forItem:(id)a1; - (void)addPreviewImage:(id)a0 forItem:(id)a1; - (void)addPreviewImageData:(id)a0 forItem:(id)a1; - (void)addSubject:(id)a0 forItem:(id)a1; - (id)attachmentNameForItem:(id)a0; - (BOOL)canAccessFileURL:(id)a0; - (id)dataTypeForItem:(id)a0; - (id)previewImageDataForItem:(id)a0; - (id)previewImageForItem:(id)a0; @end