Use 'Guid.NewGuid()' or 'Guid.Empty' or add arguments to this GUID instantiation. (https://rules.sonarsource.com/csharp/RSPEC-4581)

Change this expression which always evaluates to the same result. (https://rules.sonarsource.com/csharp/RSPEC-2589)

'WebRequest.Create(string)' is obsolete: 'WebRequest, HttpWebRequest, ServicePoint, and WebClient are obsolete. Use HttpClient instead.' (https://aka.ms/dotnet-warnings/SYSLIB0014)

Remove the unused private method 'RemoteSiteExists'. (https://rules.sonarsource.com/csharp/RSPEC-1144)

Refactor this method to reduce its Cognitive Complexity from 18 to the 15 allowed. (https://rules.sonarsource.com/csharp/RSPEC-3776)

Refactor this method to reduce its Cognitive Complexity from 18 to the 15 allowed. (https://rules.sonarsource.com/csharp/RSPEC-3776)

'System.Exception' should not be thrown by user code. (https://rules.sonarsource.com/csharp/RSPEC-112)

Change this condition so that it does not always evaluate to 'True'. (https://rules.sonarsource.com/csharp/RSPEC-2589)

Test methods should not call ConfigureAwait(false), as it may bypass parallelization limits. Omit ConfigureAwait, or use ConfigureAwait(true) to avoid CA2007. (https://xunit.net/xunit.analyzers/rules/xUnit1030)