The wiki page containing the example as referred to in the
docs has been removed.

The example code has been tracked down and will get pushed as
a proper example in a separate commit. This page will be updated
accordingly when the example is there.

Task-number: QTBUG-55651
Change-Id: Ie25b7a6ebfe7a022bb02f3ceee9fce3c8a7326af
Reviewed-by: Richard Moe Gustavsen <richard.gustavsen@qt.io>