https://learn.microsoft.com/en-us/dotnet/api/system.net.webrequest.endgetresponse?view=netframework-4.8.1&viewFallbackFrom=net-10.0
WebRequest.EndGetResponse(IAsyncResult) Method (System.Net) | Microsoft Learn
When overridden in a descendant class, returns a WebResponse.
net microsoftwebrequestmethodsystemlearn