'ApplicationConfiguration.MessageContext' is obsolete: 'Warning: Behavior changed return a copy instead of a reference. Should call CreateMessageContext() instead.'

Change 'List<NodeState>' in 'CustomNodeManager2.RootNotifiers' to use 'Collection<T>', 'ReadOnlyCollection<T>' or 'KeyedCollection<K,V>' (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1002)

Rename type name MonitoredItemQueue so that it does not end in 'Queue' (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1711)

Change 'List<NodeState>' in 'SampleNodeManager.RootNotifiers' to use 'Collection<T>', 'ReadOnlyCollection<T>' or 'KeyedCollection<K,V>' (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1002)

In delegate TestData.ScalarValue2MethodStateMethodCallHandler, remove the underscores from parameter name _context (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1707)

In delegate TestData.ScalarValue2MethodStateMethodCallHandler, remove the underscores from parameter name _method (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1707)

In delegate TestData.ScalarValue2MethodStateMethodCallHandler, remove the underscores from parameter name _objectId (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1707)

In delegate TestData.ScalarValue3MethodStateMethodCallHandler, remove the underscores from parameter name _context (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1707)

In delegate TestData.ScalarValue3MethodStateMethodCallHandler, remove the underscores from parameter name _method (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1707)