'Type.IsSerializable' is obsolete: 'Formatter-based serialization is obsolete and should not be used.' (https://aka.ms/dotnet-warnings/SYSLIB0050)

'FieldAttributes.NotSerialized' is obsolete: 'Formatter-based serialization is obsolete and should not be used.' (https://aka.ms/dotnet-warnings/SYSLIB0050)

'Type.IsSerializable' is obsolete: 'Formatter-based serialization is obsolete and should not be used.' (https://aka.ms/dotnet-warnings/SYSLIB0050)

'FormatterServices' is obsolete: 'Formatter-based serialization is obsolete and should not be used.' (https://aka.ms/dotnet-warnings/SYSLIB0050)

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

Possible null reference argument for parameter 'files' in 'DMPreprocessor? DMCompiler.Preprocess(DMCompiler compiler, List<string> files, Dictionary<string, string>? macroDefines)'.

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

Dereference of a possibly null reference.

Possible null reference argument for parameter 'interfaceFile' in 'string DMCompiler.SaveJson(List<DreamMapJson> maps, string interfaceFile, string outputFile)'.