@:value(cast "default")@:impl@:enuminlineread onlyDEFAULT:NotificationPermission = "default"
@:value(cast "denied")@:impl@:enuminlineread onlyDENIED:NotificationPermission = "denied"
@:value(cast "granted")@:impl@:enuminlineread onlyGRANTED:NotificationPermission = "granted"