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diff --git a/include/grpc++/impl/server_builder_plugin.h b/include/grpc++/impl/server_builder_plugin.h
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+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef GRPCXX_IMPL_SERVER_BUILDER_PLUGIN_H
+#define GRPCXX_IMPL_SERVER_BUILDER_PLUGIN_H
+
+#include <memory>
+
+#include <grpc++/support/config.h>
+
+namespace grpc {
+
+class ServerInitializer;
+
+class ServerBuilderPlugin {
+ public:
+  virtual ~ServerBuilderPlugin() {}
+  virtual grpc::string name() = 0;
+
+  // 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;
+
+  virtual bool has_sync_methods() const { return false; }
+  virtual bool has_async_methods() const { return false; }
+};
+
+}  // namespace grpc
+
+#endif  // GRPCXX_IMPL_SERVER_BUILDER_PLUGIN_H