Argument of type 'List<QueueElement>' cannot be used for parameter 'element' of type 'IList<QueueElement?>' in 'IList<QueueElement> QueueElementExtensions.GetQueueFinishedElement(IList<QueueElement?> element, long nowTicks)' due to differences in the nullability of reference types.

Possible null reference argument for parameter 'queueElement' in 'bool QueueElementExtensions.IsFinished(QueueElement queueElement, long nowTicks)'.

Argument of type 'List<QueueElement>' cannot be used for parameter 'element' of type 'IList<QueueElement?>' in 'IList<QueueElement> QueueElementExtensions.GetQueueFinishedElement(IList<QueueElement?> element, long nowTicks)' due to differences in the nullability of reference types.

'PersistentState.Options.UseLegacyBinaryFormat' is obsolete: 'Use default format instead.'

Possible null reference argument for parameter 'path' in 'SlimPersistentState.SlimPersistentState(string path)'.

Dereference of a possibly null reference.

Dereference of a possibly null reference.

Argument of type 'Dictionary<string, string>' cannot be used for parameter 'initialData' of type 'IEnumerable<KeyValuePair<string, string?>>' in 'IConfigurationBuilder MemoryConfigurationBuilderExtensions.AddInMemoryCollection(IConfigurationBuilder configurationBuilder, IEnumerable<KeyValuePair<string, string?>>? initialData)' due to differences in the nullability of reference types.

Dereference of a possibly null reference.

Possible null reference argument for parameter 'key' in 'Task Endpoints.ListLeftPushCommand(SlimPersistentState provider, string key, byte[] value, IRaftCluster cluster, CancellationTokenSource source)'.