stored property 'continuation' of 'Sendable'-conforming class 'RemoteNotificationContinuation' is mutable

static property 'logger' is not concurrency-safe because it is not either conforming to 'Sendable' or isolated to a global actor; this is an error in Swift 6

stored property '_storage' of 'Sendable'-conforming class 'Spezi' is mutable

passing argument of non-sendable type 'any NotificationHandler' outside of main actor-isolated context may introduce data races

passing argument of non-sendable type '[AnyHashable : Any]' outside of main actor-isolated context may introduce data races

passing argument of non-sendable type '[AnyHashable : Any]' outside of main actor-isolated context may introduce data races

passing argument of non-sendable type 'inout TaskGroup<BackgroundFetchResult>' (aka 'inout TaskGroup<UIBackgroundFetchResult>') outside of main actor-isolated context may introduce data races

passing argument of non-sendable type 'any NotificationHandler' outside of main actor-isolated context may introduce data races

passing argument of non-sendable type 'inout TaskGroup<Void>' outside of main actor-isolated context may introduce data races

passing argument of non-sendable type 'any NotificationHandler' outside of main actor-isolated context may introduce data races