Converting null literal or possible null value to non-nullable type.

Non-nullable property 'UserInfo' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the property as nullable.

Possible null reference return.

Non-nullable property 'Name' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the property as nullable.

Non-nullable property 'Roles' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the property as nullable.

All 'SetPrincipal' method overloads should be adjacent. (https://rules.sonarsource.com/csharp/RSPEC-4136)

Remove this argument from the method call; it hides the caller information. (https://rules.sonarsource.com/csharp/RSPEC-3236)

Indexing at 0 should be used instead of the "Enumerable" extension method "First" (https://rules.sonarsource.com/csharp/RSPEC-6608)

Remove this argument from the method call; it hides the caller information. (https://rules.sonarsource.com/csharp/RSPEC-3236)