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++ // Copyright (C) 2016 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GFDL-1.3-no-invariants-only
++
++ /*!
++ \example complexpingpong
++ \title D-Bus Complex Ping Pong
++ \examplecategory {Connectivity}
++ \ingroup examples-dbus
++ \brief Demonstrates usage of the Qt D-Bus typesystem.
++
++ \e{Complex Ping Pong} example demonstrates the use of \l{Qt D-Bus}
++ typesystem with QDBusVariant and QDBusReply. The example consists of the
++ main application \c complexping which starts the other application, \c
++ complexpong. Entering keywords such as \c hello and \c ping is handled by
++ complexpong and the reply is printed to the standard output.
++
++ \include examples-run.qdocinc
++
++ To run, execute the \c complexping application.
++
++ \badcode
++ $ ./complexping
++ Ask your question: When is the next Qt release?
++ Reply was: Sorry, I don't know the answer
++ Ask your question: What is the answer to life, the universe and everything?
++ Reply was: 42
++ \endcode
++ */