@class Protocol; @protocol CKOperationCallbacks; @interface CKDOperationCallbackProxy : NSObject <CKOperationCallbacks> @property (retain, nonatomic) id<CKOperationCallbacks> clientOperationCallbackProxy; @property (retain, nonatomic) Protocol *callbackProtocol; - (void)forwardInvocation:(id)a0; - (id)methodSignatureForSelector:(SEL)a0; - (void).cxx_destruct; - (id)initWithClientOperationCallbackProxy:(id)a0 callbackProtocol:(id)a1; @end