1 files changed, 10 insertions, 0 deletions
diff --git a/mcs/class/referencesource/System/net/System/Net/TransportContext.cs b/mcs/class/referencesource/System/net/System/Net/TransportContext.cs
index 424a0ab074d..efbdbff4262 100644
--- a/mcs/class/referencesource/System/net/System/Net/TransportContext.cs
+++ b/mcs/class/referencesource/System/net/System/Net/TransportContext.cs
@@ -4,6 +4,7 @@
 // </copyright>
 //------------------------------------------------------------------------------
 
+using System.Collections.Generic;
 using System.Net.Security;
 using System.Security.Authentication.ExtendedProtection;
 
@@ -12,6 +13,10 @@ namespace System.Net
     public abstract class TransportContext
     {
         public abstract ChannelBinding GetChannelBinding(ChannelBindingKind kind);
+        public virtual IEnumerable<TokenBinding> GetTlsTokenBindings()
+        {
+            throw new NotSupportedException();
+        }
     }
 
 #if MONO_FEATURE_WEB_STACK
@@ -69,6 +74,11 @@ namespace System.Net
             return request.GetChannelBinding();
         }
 
+        public override IEnumerable<TokenBinding> GetTlsTokenBindings()
+        {
+            return request.GetTlsTokenBindings();
+        }
+
         private HttpListenerRequest request;
     }
 #endif