'Exception.Exception(SerializationInfo, StreamingContext)' is obsolete: 'This API supports obsolete formatter-based serialization. It should not be called or extended by application code.' (https://aka.ms/dotnet-warnings/SYSLIB0051)

Possible null reference assignment.

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

Possible null reference assignment.

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

Do not use Assert.Equal() to check for collection size. Use Assert.Single instead. (https://xunit.net/xunit.analyzers/rules/xUnit2013)

Do not use Assert.Equal() to check for collection size. Use Assert.Single instead. (https://xunit.net/xunit.analyzers/rules/xUnit2013)

Do not use Assert.Equal() to check for collection size. Use Assert.Empty instead. (https://xunit.net/xunit.analyzers/rules/xUnit2013)

Do not use Assert.Equal() to check for collection size. Use Assert.Empty instead. (https://xunit.net/xunit.analyzers/rules/xUnit2013)