1 files changed, 12 insertions, 1 deletions
diff --git a/src/DotNetOpenAuth.OpenId.Provider/OpenId/Messages/AssociateSuccessfulResponseProvider.cs b/src/DotNetOpenAuth.OpenId.Provider/OpenId/Messages/AssociateSuccessfulResponseProvider.cs
index 3a71bba..36ce544 100644
--- a/src/DotNetOpenAuth.OpenId.Provider/OpenId/Messages/AssociateSuccessfulResponseProvider.cs
+++ b/src/DotNetOpenAuth.OpenId.Provider/OpenId/Messages/AssociateSuccessfulResponseProvider.cs
@@ -1,12 +1,23 @@
 namespace DotNetOpenAuth.OpenId.Messages {
 	using System;
 	using System.Collections.Generic;
+	using System.Diagnostics.Contracts;
 	using System.Linq;
 	using System.Text;
 	using DotNetOpenAuth.OpenId.Provider;
 
+	[ContractClass(typeof(AssociateSuccessfulResponseProviderContract))]
 	internal abstract class AssociateSuccessfulResponseProvider : AssociateSuccessfulResponse {
 		/// <summary>
+		/// Initializes a new instance of the <see cref="AssociateSuccessfulResponseProvider"/> class.
+		/// </summary>
+		/// <param name="version">The version.</param>
+		/// <param name="request">The request.</param>
+		internal AssociateSuccessfulResponseProvider(Version version, AssociateRequest request) :
+			base(version, request) {
+		}
+
+		/// <summary>
 		/// Called to create the Association based on a request previously given by the Relying Party.
 		/// </summary>
 		/// <param name="request">The prior request for an association.</param>
@@ -22,6 +33,6 @@
 		///   <para>The response message is updated to include the details of the created association by this method,
 		/// but the resulting association is <i>not</i> added to the association store and must be done by the caller.</para>
 		/// </remarks>
-		protected abstract Association CreateAssociationAtProvider(AssociateRequest request, IProviderAssociationStore associationStore, ProviderSecuritySettings securitySettings);
+		protected internal abstract Association CreateAssociationAtProvider(AssociateRequest request, IProviderAssociationStore associationStore, ProviderSecuritySettings securitySettings);
 	}
 }