Rename class 'c' to match pascal case naming rules, consider using 'C'.

This loop's stop condition tests 's' and 't' but the incrementer updates 'j'.

'Exception.Exception(SerializationInfo, StreamingContext)' is obsolete: 'This API supports obsolete formatter-based serialization.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)

Refactor this method to reduce its Cognitive Complexity from 16 to the 15 allowed.

The type name 'c' only contains lower-cased ascii characters. Such names may become reserved for the language.

Make sure not performing data validation after deserialization is safe here.

Rename this method to not shadow the outer class' member with the same name.

Rename this property to not shadow the outer class' member with the same name.

Make sure not performing data validation after deserialization is safe here.