xamarinmac 
namespace Microsoft.AspNetCore.Http.Authentication
{
    [Obsolete("This is obsolete and will be removed in a future version. See https://go.microsoft.com/fwlink/?linkid=845470.")]
    public abstract class AuthenticationManager
    {
        public abstract IEnumerable<AuthenticationDescription> GetAuthenticationSchemes();
    }
}
nuget.org
0.0 %
Reference this API
Upgrade Planner
0.0 %
Reference this API
.NET 5.06.07.08.09.010.0
.NET Core 2.02.12.23.03.1
.NET Framework 4.6.14.6.24.74.7.14.7.24.84.8.1
.NET Standard 2.02.1
Information specific to xamarinmac
Assembly

Microsoft.AspNetCore.Http.Abstractions , Version=2.3.0.0, PublicKeyToken=adb9793829ddae60

Referencing

Your project needs a package reference to Microsoft.AspNetCore.Http.Abstractions.

Package Microsoft.AspNetCore.Http.Abstractions (2.3.0) netstandard2.0
Platform Restrictions

This framework does not have platform annotations.

  • Built-in API
  • Package-provided API