# Microsoft.AspNetCore.Authentication

``` diff
 namespace Microsoft.AspNetCore.Authentication {
     public class AuthenticateResult {
+        public AuthenticateResult Clone();
     }
     public class AuthenticationProperties {
+        public AuthenticationProperties Clone();
     }
     public class AuthenticationSchemeProvider : IAuthenticationSchemeProvider {
+        public virtual bool TryAddScheme(AuthenticationScheme scheme);
     }
     public class AuthenticationTicket {
+        public AuthenticationTicket Clone();
     }
     public interface IAuthenticationSchemeProvider {
+        bool TryAddScheme(AuthenticationScheme scheme);
     }
 }
```

