@class NSURLSessionConfiguration, NSString, NSURLSession; @interface __NSCFURLSessionTaskGroup : NSObject <__NSURLSessionTaskGroupForConfiguration> { NSURLSessionConfiguration *_groupConfiguration_ivar; NSURLSession *_groupSession_ivar; } @property (readonly, weak) NSURLSessionConfiguration *_groupConfiguration; @property (readonly, weak) NSURLSession *_groupSession; @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; - (void)dealloc; - (id)dataTaskWithRequest:(id)a0 completionHandler:(id /* block */)a1; - (id)uploadTaskWithStreamedRequest:(id)a0; - (id)forwardingTargetForSelector:(SEL)a0; - (id)dataTaskWithRequest:(id)a0; - (id)_groupConfiguration; - (id)_groupSession; @end