Node.js 16 actions are deprecated. Please update the following actions to use Node.js 20: actions/checkout@v3, actions/setup-dotnet@v3, actions/upload-artifact@v3. For more information see: https://github.blog/changelog/2023-09-22-github-actions-transitioning-from-node-16-to-node-20/.

Cannot convert null literal to non-nullable reference type.

Cannot convert null literal to non-nullable reference type.

Cannot convert null literal to non-nullable reference type.

Dereference of a possibly null reference.

Cannot convert null literal to non-nullable reference type.

The event 'ClientTagService.OnUserTagsAdded' is never used

The field 'ClientFolderService.OnChange' is assigned but its value is never used

Dereference of a possibly null reference.

Nullability of reference types in type of parameter 'state' of 'void FolderService.ConflatedCallback(object state)' doesn't match the target delegate 'TimerCallback' (possibly because of nullability attributes).