nit nullability fix

pull/16190/head
Muxi Yan 6 years ago
parent d806ce71d7
commit 1d8550c4c2
  1. 2
      src/objective-c/GRPCClient/GRPCCallOptions.h

@ -64,7 +64,7 @@ typedef NS_ENUM(NSUInteger, GRPCTransportType) {
* This method is called when gRPC is about to start the call. When OAuth token is acquired,
* \a handler is expected to be called with \a token being the new token to be used for this call.
*/
- (void)getTokenWithHandler:(void (^)(NSString * _Nullable token))handler;
- (void)getTokenWithHandler:(void (^ _Nullable)(NSString * _Nullable token))handler;
@end
@interface GRPCCallOptions : NSObject<NSCopying, NSMutableCopying>

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