net9.0 
namespace Microsoft.AspNetCore.SystemWebAdapters.Authentication
.NET
8.09.010.0
.NET Framework
4.7.24.84.8.1
Information specific to net9.0
Assembly

Microsoft.AspNetCore.SystemWebAdapters.CoreServices , Version=2.0.0.0, PublicKeyToken=adb9793829ddae60

Referencing

Your project needs a package reference to Microsoft.AspNetCore.SystemWebAdapters.CoreServices.

Package Microsoft.AspNetCore.SystemWebAdapters.CoreServices (2.0.0) net8.0
  • Built-in API
  • Package-provided API