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diff --git a/examples/grpc/client.cpp b/examples/grpc/client.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2019 Ivan Komissarov
+** Contact: abbapoh@gmail.com
+**
+** This file is part of Qbs.
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms and
+** conditions see http://www.qt.io/terms-conditions. For further information
+** use the contact form at http://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 or version 3 as published by the Free
+** Software Foundation and appearing in the file LICENSE.LGPLv21 and
+** LICENSE.LGPLv3 included in the packaging of this file.  Please review the
+** following information to ensure the GNU Lesser General Public License
+** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, The Qt Company gives you certain additional
+** rights.  These rights are described in The Qt Company LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+****************************************************************************/
+
+#ifdef __GNUC__
+  #pragma GCC diagnostic push
+  #pragma GCC diagnostic ignored "-Wunused-parameter"
+#endif  // __GNUC__
+
+#include <ping-pong-grpc.grpc.pb.h>
+
+#include <grpc/grpc.h>
+#include <grpc++/channel.h>
+#include <grpc++/client_context.h>
+#include <grpc++/create_channel.h>
+
+#ifdef __GNUC__
+  #pragma GCC diagnostic pop
+#endif  // __GNUC__
+
+#include <iostream>
+#include <memory>
+#include <string>
+
+class Client
+{
+public:
+    Client(std::shared_ptr<grpc::Channel> channel)
+        : m_stub(PP::MyApi::NewStub(channel)) {}
+
+    int ping(int count) {
+        PP::Ping request;
+        request.set_count(count);
+        PP::Pong reply;
+        grpc::ClientContext context;
+
+        const auto status = m_stub->pingPong(&context, request, &reply);
+        if (status.ok()) {
+            return reply.count();
+        } else {
+            throw std::runtime_error("invalid status");
+        }
+    }
+
+private:
+    std::unique_ptr<PP::MyApi::Stub> m_stub;
+};
+
+int main(int, char**)
+{
+    Client client(
+            grpc::CreateCustomChannel(
+                    "localhost:50051",
+                    grpc::InsecureChannelCredentials(),
+                    grpc::ChannelArguments()));
+
+    for (int i = 0; i < 1000; ++i) {
+        std::cout << "Sending ping " << i << "... ";
+        int result = client.ping(i);
+        if (result != i) {
+            std::cerr << "Invalid pong " << result << " for ping" << i << std::endl;
+            continue;
+        }
+        std::cout << "got pong " << result << std::endl;
+    }
+
+    return 0;
+}
+