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diff --git a/include/grpc++/test/server_context_test_spouse.h b/include/grpc++/test/server_context_test_spouse.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_TEST_SERVER_CONTEXT_TEST_SPOUSE_H
+#define GRPCXX_TEST_SERVER_CONTEXT_TEST_SPOUSE_H
+
+#include <map>
+
+#include <grpc++/server_context.h>
+
+namespace grpc {
+namespace testing {
+
+// A test-only class to access private members and methods of ServerContext.
+class ServerContextTestSpouse {
+ public:
+  explicit ServerContextTestSpouse(ServerContext* ctx) : ctx_(ctx) {}
+
+  // Inject client metadata to the ServerContext for the test. The test spouse
+  // must be alive when ServerContext::client_metadata is called.
+  void AddClientMetadata(const grpc::string& key, const grpc::string& value);
+  std::multimap<grpc::string, grpc::string> GetInitialMetadata() const {
+    return ctx_->initial_metadata_;
+  }
+  std::multimap<grpc::string, grpc::string> GetTrailingMetadata() const {
+    return ctx_->trailing_metadata_;
+  }
+
+ private:
+  ServerContext* ctx_;  // not owned
+  std::multimap<grpc::string, grpc::string> client_metadata_storage_;
+};
+
+}  // namespace testing
+}  // namespace grpc
+
+#endif  // GRPCXX_TEST_SERVER_CONTEXT_TEST_SPOUSE_H