1 files changed, 34 insertions, 0 deletions
diff --git a/src/objective-c/GRPCClient/private/GRPCChannelFactory.h b/src/objective-c/GRPCClient/private/GRPCChannelFactory.h
new file mode 100644
index 0000000000..a934e966e9
--- /dev/null
+++ b/src/objective-c/GRPCClient/private/GRPCChannelFactory.h
@@ -0,0 +1,34 @@
+/*
+ *
+ * Copyright 2018 gRPC authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+#import <Foundation/Foundation.h>
+
+#include <grpc/impl/codegen/grpc_types.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+/** A factory interface which generates new channel. */
+@protocol GRPCChannelFactory
+
+/** Create a channel with specific channel args to a specific host. */
+- (nullable grpc_channel *)createChannelWithHost:(NSString *)host
+                                     channelArgs:(nullable NSDictionary *)args;
+
+@end
+
+NS_ASSUME_NONNULL_END