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diff --git a/include/grpc++/generic/generic_stub.h b/include/grpc++/generic/generic_stub.h
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+/*
+ *
+ * Copyright 2015, 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_GENERIC_GENERIC_STUB_H
+#define GRPCXX_GENERIC_GENERIC_STUB_H
+
+#include <grpc++/support/async_stream.h>
+#include <grpc++/support/byte_buffer.h>
+
+namespace grpc {
+
+class CompletionQueue;
+typedef ClientAsyncReaderWriter<ByteBuffer, ByteBuffer>
+    GenericClientAsyncReaderWriter;
+
+// Generic stubs provide a type-unsafe interface to call gRPC methods
+// by name.
+class GenericStub GRPC_FINAL {
+ public:
+  explicit GenericStub(std::shared_ptr<Channel> channel) : channel_(channel) {}
+
+  // begin a call to a named method
+  std::unique_ptr<GenericClientAsyncReaderWriter> Call(
+      ClientContext* context, const grpc::string& method, CompletionQueue* cq,
+      void* tag);
+
+ private:
+  std::shared_ptr<Channel> channel_;
+};
+
+}  // namespace grpc
+
+#endif  // GRPCXX_GENERIC_GENERIC_STUB_H