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

Nullable value type may be null.

Possible null reference argument for parameter 'certificates' in 'void X509Certificate2Collection.AddRange(X509Certificate2Collection certificates)'.

Possible null reference argument for parameter 's' in 'byte[] Encoding.GetBytes(string s)'.

Possible null reference argument for parameter 'fileName' in 'X509Certificate2.X509Certificate2(string fileName)'.

'X509Certificate2.X509Certificate2(byte[])' is obsolete: 'Loading certificate data through the constructor or Import is obsolete. Use X509CertificateLoader instead to load certificates.' (https://aka.ms/dotnet-warnings/SYSLIB0057)

'X509Certificate2.X509Certificate2(string)' is obsolete: 'Loading certificate data through the constructor or Import is obsolete. Use X509CertificateLoader instead to load certificates.' (https://aka.ms/dotnet-warnings/SYSLIB0057)

'Exception.Exception(SerializationInfo, StreamingContext)' is obsolete: 'This API supports obsolete formatter-based serialization.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

Cannot convert null literal to non-nullable reference type.

'X509Certificate2.X509Certificate2(byte[], string?)' is obsolete: 'Loading certificate data through the constructor or Import is obsolete. Use X509CertificateLoader instead to load certificates.' (https://aka.ms/dotnet-warnings/SYSLIB0057)

Possible null reference argument for parameter 'certificates' in 'void X509Certificate2Collection.AddRange(X509Certificate2Collection certificates)'.

Possible null reference argument for parameter 's' in 'byte[] Encoding.GetBytes(string s)'.

Possible null reference argument for parameter 'fileName' in 'X509Certificate2.X509Certificate2(string fileName)'.

'X509Certificate2.X509Certificate2(byte[])' is obsolete: 'Loading certificate data through the constructor or Import is obsolete. Use X509CertificateLoader instead to load certificates.' (https://aka.ms/dotnet-warnings/SYSLIB0057)

'X509Certificate2.X509Certificate2(string)' is obsolete: 'Loading certificate data through the constructor or Import is obsolete. Use X509CertificateLoader instead to load certificates.' (https://aka.ms/dotnet-warnings/SYSLIB0057)

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

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

'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)

Cannot convert null literal to non-nullable reference type.