id<GRXWriter> -> GRXWriter * in the runtime

4 files changed, 6 insertions, 6 deletions

diff --git a/src/objective-c/GRPCClient/GRPCCall.h b/src/objective-c/GRPCClient/GRPCCall.h
index cba53fa2f6..1b89ca5100 100644
--- a/src/objective-c/GRPCClient/GRPCCall.h
+++ b/src/objective-c/GRPCClient/GRPCCall.h
@@ -89,7 +89,7 @@ extern id const kGRPCStatusMetadataKey;
 // To finish a call right away, invoke cancel.
 - (instancetype)initWithHost:(NSString *)host
                         path:(NSString *)path
-              requestsWriter:(id<GRXWriter>)requestsWriter NS_DESIGNATED_INITIALIZER;
+              requestsWriter:(GRXWriter *)requestsWriter NS_DESIGNATED_INITIALIZER;
 
 // Finishes the request side of this call, notifies the server that the RPC
 // should be cancelled, and finishes the response side of the call with an error
diff --git a/src/objective-c/GRPCClient/GRPCCall.m b/src/objective-c/GRPCClient/GRPCCall.m
index 4ac4e4d37f..53e5abe177 100644
--- a/src/objective-c/GRPCClient/GRPCCall.m
+++ b/src/objective-c/GRPCClient/GRPCCall.m
@@ -79,7 +79,7 @@ NSString * const kGRPCStatusMetadataKey = @"io.grpc.StatusMetadataKey";
   // all. This wrapper over our actual writeable ensures thread-safety and
   // correct ordering.
   GRPCDelegateWrapper *_responseWriteable;
-  id<GRXWriter> _requestWriter;
+  GRXWriter *_requestWriter;
 
   NSMutableDictionary *_requestMetadata;
   NSMutableDictionary *_responseMetadata;
@@ -94,7 +94,7 @@ NSString * const kGRPCStatusMetadataKey = @"io.grpc.StatusMetadataKey";
 // Designated initializer
 - (instancetype)initWithHost:(NSString *)host
                         path:(NSString *)path
-              requestsWriter:(id<GRXWriter>)requestWriter {
+              requestsWriter:(GRXWriter *)requestWriter {
   if (!host || !path) {
     [NSException raise:NSInvalidArgumentException format:@"Neither host nor method can be nil."];
   }
diff --git a/src/objective-c/GRPCClient/private/GRPCDelegateWrapper.h b/src/objective-c/GRPCClient/private/GRPCDelegateWrapper.h
index 1ef245fe37..01d053b5df 100644
--- a/src/objective-c/GRPCClient/private/GRPCDelegateWrapper.h
+++ b/src/objective-c/GRPCClient/private/GRPCDelegateWrapper.h
@@ -54,7 +54,7 @@
 // writesFinishedWithError: is sent to the writeable, and released after that.
 // This is used to create a retain cycle that keeps both objects alive until the
 // writing is explicitly finished.
-- (instancetype)initWithWriteable:(id<GRXWriteable>)writeable writer:(id<GRXWriter>)writer
+- (instancetype)initWithWriteable:(id<GRXWriteable>)writeable writer:(GRXWriter *)writer
     NS_DESIGNATED_INITIALIZER;
 
 // Enqueues writeValue: to be sent to the writeable in the main thread.
diff --git a/src/objective-c/GRPCClient/private/GRPCDelegateWrapper.m b/src/objective-c/GRPCClient/private/GRPCDelegateWrapper.m
index 59c0565494..294cfb7e23 100644
--- a/src/objective-c/GRPCClient/private/GRPCDelegateWrapper.m
+++ b/src/objective-c/GRPCClient/private/GRPCDelegateWrapper.m
@@ -38,7 +38,7 @@
 @interface GRPCDelegateWrapper ()
 // These are atomic so that cancellation can nillify them from any thread.
 @property(atomic, strong) id<GRXWriteable> writeable;
-@property(atomic, strong) id<GRXWriter> writer;
+@property(atomic, strong) GRXWriter *writer;
 @end
 
 @implementation GRPCDelegateWrapper {
@@ -52,7 +52,7 @@
 }
 
 // Designated initializer
-- (instancetype)initWithWriteable:(id<GRXWriteable>)writeable writer:(id<GRXWriter>)writer {
+- (instancetype)initWithWriteable:(id<GRXWriteable>)writeable writer:(GRXWriter *)writer {
   if (self = [super init]) {
     _writeableQueue = dispatch_get_main_queue();
     _writeable = writeable;