We hardcode them into QQmlJSTypePropagator and QQmlJSCodegenerator for now. This is OK for builtins. Task-number: QTBUG-101387 Change-Id: Ifab46083b3a782f009859ce969c283d5bb2b4e8b Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>