Closing brace should be followed by blank line (https://github.com/DotNetAnalyzers/StyleCopAnalyzers/blob/master/documentation/SA1513.md)

Single-line comment should be preceded by blank line (https://github.com/DotNetAnalyzers/StyleCopAnalyzers/blob/master/documentation/SA1515.md)

Possible null reference argument for parameter 'rootCertificates' in 'SslCredentials.SslCredentials(string rootCertificates, KeyCertificatePair keyCertificatePair)'.

Possible null reference argument for parameter 'rootCertificates' in 'SslCredentials.SslCredentials(string rootCertificates)'.

The name 'X509Certificate2' does not exist in the current context

'HttpClientHandler' does not contain a definition for 'ServerCertificateCustomValidationCallback' and no accessible extension method 'ServerCertificateCustomValidationCallback' accepting a first argument of type 'HttpClientHandler' could be found (are you missing a using directive or an assembly reference?)

The name 'X509Certificate2' does not exist in the current context

'HttpClientHandler' does not contain a definition for 'ClientCertificates' and no accessible extension method 'ClientCertificates' accepting a first argument of type 'HttpClientHandler' could be found (are you missing a using directive or an assembly reference?)

Closing brace should be followed by blank line (https://github.com/DotNetAnalyzers/StyleCopAnalyzers/blob/master/documentation/SA1513.md)