Possible null reference return.

Dereference of a possibly null reference.

Public method 'Generate_Should_Work_For_Password_With_CurlyBrace' on test class 'CodeGeneratorTests' should be marked as a Fact. Reduce the visibility of the method, or add a Fact attribute to the method. (https://xunit.net/xunit.analyzers/rules/xUnit1013)

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

Nullability of reference types in value of type 'List<string?>' doesn't match target type 'List<string>'.

Dereference of a possibly null reference.

Possible null reference return.

Possible null reference return.

Possible null reference return.