MultipeerConnectivity iOS 10.3 to 11.0 API Differences

MCSession.h
Modified -[MCSessionDelegate session:didFinishReceivingResourceWithName:fromPeer:atURL:withError:]
Declaration
From- (void)session:(nonnull MCSession *)session didFinishReceivingResourceWithName:(nonnull NSString *)resourceName fromPeer:(nonnull MCPeerID *)peerID atURL:(nonnull NSURL *)localURL withError:(nullable NSError *)error
To- (void)session:(nonnull MCSession *)session didFinishReceivingResourceWithName:(nonnull NSString *)resourceName fromPeer:(nonnull MCPeerID *)peerID atURL:(nullable NSURL *)localURL withError:(nullable NSError *)error

Modified -[MCSession nearbyConnectionDataForPeer:withCompletionHandler:]
Declaration
From- (void)nearbyConnectionDataForPeer:(nonnull MCPeerID *)peerID withCompletionHandler:(nonnull void (^)(NSData * _Nonnull, NSError * _Nullable))completionHandler
To- (void)nearbyConnectionDataForPeer:(nonnull MCPeerID *)peerID withCompletionHandler:(nonnull void (^)(NSData * _Nullable, NSError * _Nullable))completionHandler