_Nullable -> nullable

1 files changed, 6 insertions, 6 deletions

diff --git a/src/objective-c/GRPCClient/private/GRPCSecureChannelFactory.h b/src/objective-c/GRPCClient/private/GRPCSecureChannelFactory.h
index 02e7052996..5dc5a97312 100644
--- a/src/objective-c/GRPCClient/private/GRPCSecureChannelFactory.h
+++ b/src/objective-c/GRPCClient/private/GRPCSecureChannelFactory.h
@@ -23,15 +23,15 @@ NS_ASSUME_NONNULL_BEGIN
 
 @interface GRPCSecureChannelFactory : NSObject<GRPCChannelFactory>
 
-+ (instancetype _Nullable)factoryWithPEMRootCertificates:(NSString *_Nullable)rootCerts
-                                              privateKey:(NSString *_Nullable)privateKey
-                                               certChain:(NSString *_Nullable)certChain
++ (nullable instancetype)factoryWithPEMRootCertificates:(nullable NSString *)rootCerts
+                                              privateKey:(nullable NSString *)privateKey
+                                               certChain:(nullable NSString *)certChain
                                                    error:(NSError **)errorPtr;
 
-- (grpc_channel *_Nullable)createChannelWithHost:(NSString *)host
-                                     channelArgs:(NSDictionary *_Nullable)args;
+- (nullable grpc_channel *)createChannelWithHost:(NSString *)host
+                                     channelArgs:(nullable NSDictionary *)args;
 
-- (instancetype _Nullable)init NS_UNAVAILABLE;
+- (nullable instancetype)init NS_UNAVAILABLE;
 
 @end