Disables generation of a namespaced name.
This property was introduced in Qt 5.0.
When this property is set, the generated C++ class will not contain a namespaced alias.
See also qt_add_dbus_interface.
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Licensed under the GNU Free Documentation License, Version 1.3.
https://doc.qt.io/qt-6.9/cmake-source-file-property-no-namespace.html