* Q_PROPERTY should have either NOTIFY or CONSTANT [-Wclazy-qproperty-without-notify]
* Use Q_ENUM instead of Q_ENUMS [-Wclazy-qenums]
* Add missing a Q_OBJECT macro [-Wclazy-missing-qobject-macro]
* Signal/Slot arguments need to be fully-qualified [-Wclazy-fully-qualified-moc-types]