@class NSString; @interface FCCancelHandler : NSObject <FCOperationCanceling> @property (copy, nonatomic) id /* block */ cancelBlock; @property (weak, nonatomic) id weakTarget; @property (retain, nonatomic) id strongTarget; @property (nonatomic) SEL selector; @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; + (id)cancelHandlerWithBlock:(id /* block */)a0; + (id)cancelHandlerWithStrongTarget:(id)a0 selector:(SEL)a1; + (id)cancelHandlerWithWeakTarget:(id)a0 selector:(SEL)a1; - (id)initWithBlock:(id /* block */)a0; - (id)initWithWeakTarget:(id)a0 selector:(SEL)a1; - (void).cxx_destruct; - (void)cancel; - (id)initWithStrongTarget:(id)a0 selector:(SEL)a1; @end