References Links to documentation, guides and other helpful resources. C# Language Version 9.0: https://docs.microsoft.com/en-us/dotnet/csharp/whats-new/csharp-9 Version 10.0: https://docs.microsoft.com/en-us/dotnet/csharp/whats-new/csharp-10 IO https://docs.microsoft.com/en-us/dotnet/api/system.io.filestream.readasync?view=net-5.0 HTTP https://docs.microsoft.com/en-us/dotnet/csharp/tutorials/console-webapiclient https://docs.microsoft.com/en-us/dotnet/core/extensions/http-client https://docs.microsoft.com/en-us/dotnet/core/extensions/httpclient-http3