From 8a762d447813db1b1c3fe52b24e638581235460e Mon Sep 17 00:00:00 2001
From: Muxi Yan <mxyan@google.com>
Date: Thu, 15 Nov 2018 12:56:08 -0800
Subject: Polish nullability + something else

---
 src/objective-c/GRPCClient/private/GRPCConnectivityMonitor.m | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'src/objective-c/GRPCClient/private/GRPCConnectivityMonitor.m')

diff --git a/src/objective-c/GRPCClient/private/GRPCConnectivityMonitor.m b/src/objective-c/GRPCClient/private/GRPCConnectivityMonitor.m
index a36788b35a..bb8618ff33 100644
--- a/src/objective-c/GRPCClient/private/GRPCConnectivityMonitor.m
+++ b/src/objective-c/GRPCClient/private/GRPCConnectivityMonitor.m
@@ -76,14 +76,14 @@ static void ReachabilityCallback(SCNetworkReachabilityRef target, SCNetworkReach
   }
 }
 
-+ (void)registerObserver:(_Nonnull id)observer selector:(SEL)selector {
++ (void)registerObserver:(id)observer selector:(SEL)selector {
   [[NSNotificationCenter defaultCenter] addObserver:observer
                                            selector:selector
                                                name:kGRPCConnectivityNotification
                                              object:nil];
 }
 
-+ (void)unregisterObserver:(_Nonnull id)observer {
++ (void)unregisterObserver:(id)observer {
   [[NSNotificationCenter defaultCenter] removeObserver:observer];
 }
 
-- 
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