Qt Creator doesn't understand QML module added with CMake

    qt_add_qml_module(MyModule
        URI MyModule
        VERSION 1.0
        RESOURCE_PREFIX /
        QML_FILES ${QML_SOURCE_FILES}
    ) 

set_source_files_properties(MySingleton.qml PROPERTIES QT_QML_SINGLETON_TYPE TRUE) 

import QtCore
import QtQuick 2.15
import QtQuick.Controls 2.15
import QtQuick.Controls.Universal 2.15
import QtQuick.Dialogs
import QtQuick.Effects

import MyModule // This is needed to make singletons work. See the auto-generated qmldir-files.