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/*!
    \example pingpong
    \title D-Bus Ping Pong Example
    \ingroup examples-dbus
    \brief Demonstrates a simple message system using D-Bus.

    \e{Ping Pong} is a command-line example that demonstrates the basics of
    \l{Qt D-Bus}. A message is sent to another application and there is a
    confirmation of the message.

    \include examples-run.qdocinc

    Run the \c pong application and run the \c ping application with the message
    as the argument.

    \badcode
    $ ./pong &
    $ ./ping Hello
    Reply was: ping("Hello") got called
    \endcode
*/