Dereference of a possibly null reference.

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

Possible null reference argument for parameter 'entity' in 'string BuilderGenerator.GenerateBuilderCode(INamedTypeSymbol typeSymbol, ITypeSymbol entity)'.

Member 'ApiException.GetObjectData(SerializationInfo, StreamingContext)' overrides obsolete member 'Exception.GetObjectData(SerializationInfo, StreamingContext)'. Add the Obsolete attribute to 'ApiException.GetObjectData(SerializationInfo, StreamingContext)'.

'Exception.Exception(SerializationInfo, StreamingContext)' is obsolete: 'This API supports obsolete formatter-based serialization.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

'Exception.GetObjectData(SerializationInfo, StreamingContext)' is obsolete: 'This API supports obsolete formatter-based serialization.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

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

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

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