@class NSString; @interface UIActivityItemProvider : NSOperation <UIActivityItemSource> @property (retain, nonatomic) id placeholderItem; @property (retain, nonatomic) id providedItem; @property (copy, nonatomic, setter=_setActivityType:) NSString *activityType; @property (readonly, nonatomic) id item; @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; - (id)init; - (void)main; - (void).cxx_destruct; - (id)activityViewController:(id)a0 itemForActivityType:(id)a1; - (id)activityViewControllerPlaceholderItem:(id)a0; - (id)initWithPlaceholderItem:(id)a0; - (BOOL)_shouldExecuteItemOperationForActivity:(id)a0; @end