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diff --git a/include/grpcpp/impl/server_builder_plugin.h b/include/grpcpp/impl/server_builder_plugin.h
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+++ b/include/grpcpp/impl/server_builder_plugin.h
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+/*
+ *
+ * Copyright 2016 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.
+ *
+ */
+
+#ifndef GRPCPP_IMPL_SERVER_BUILDER_PLUGIN_H
+#define GRPCPP_IMPL_SERVER_BUILDER_PLUGIN_H
+
+#include <memory>
+
+#include <grpcpp/support/config.h>
+
+namespace grpc {
+
+class ServerBuilder;
+class ServerInitializer;
+class ChannelArguments;
+
+/// This interface is meant for internal usage only. Implementations of this
+/// interface should add themselves to a \a ServerBuilder instance through the
+/// \a InternalAddPluginFactory method.
+class ServerBuilderPlugin {
+ public:
+  virtual ~ServerBuilderPlugin() {}
+  virtual grpc::string name() = 0;
+
+  /// UpdateServerBuilder will be called at the beginning of
+  /// \a ServerBuilder::BuildAndStart().
+  virtual void UpdateServerBuilder(ServerBuilder* builder) {}
+
+  /// InitServer will be called in ServerBuilder::BuildAndStart(), after the
+  /// Server instance is created.
+  virtual void InitServer(ServerInitializer* si) = 0;
+
+  /// Finish will be called at the end of ServerBuilder::BuildAndStart().
+  virtual void Finish(ServerInitializer* si) = 0;
+
+  /// ChangeArguments is an interface that can be used in
+  /// ServerBuilderOption::UpdatePlugins
+  virtual void ChangeArguments(const grpc::string& name, void* value) = 0;
+
+  /// UpdateChannelArguments will be called in ServerBuilder::BuildAndStart(),
+  /// before the Server instance is created.
+  virtual void UpdateChannelArguments(ChannelArguments* args) {}
+
+  virtual bool has_sync_methods() const { return false; }
+  virtual bool has_async_methods() const { return false; }
+};
+
+}  // namespace grpc
+
+#endif  // GRPCPP_IMPL_SERVER_BUILDER_PLUGIN_H