@class FCOperation; @interface FCProxyOperation : FCOperation { FCOperation *_underlyingOperation; } + (void)initialize; + (id)proxyForOperation:(id)a0; - (void)operationDidFinishWithError:(id)a0; - (void)setPurpose:(id)a0; - (void)setQualityOfService:(long long)a0; - (void)performOperation; - (void)setRelativePriority:(long long)a0; - (void).cxx_destruct; - (unsigned long long)propertiesInheritedByChildOperations; @end