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-rw-r--r--src/DotNetOpenAuth.OpenId/OpenId/Extensions/OpenIdExtensionsInteropHelper.cs2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/DotNetOpenAuth.OpenId/OpenId/Extensions/OpenIdExtensionsInteropHelper.cs b/src/DotNetOpenAuth.OpenId/OpenId/Extensions/OpenIdExtensionsInteropHelper.cs
index f9d3062..d90dd2a 100644
--- a/src/DotNetOpenAuth.OpenId/OpenId/Extensions/OpenIdExtensionsInteropHelper.cs
+++ b/src/DotNetOpenAuth.OpenId/OpenId/Extensions/OpenIdExtensionsInteropHelper.cs
@@ -8,12 +8,12 @@ namespace DotNetOpenAuth.OpenId.Extensions {
using System;
using System.Collections.Generic;
using System.Diagnostics.CodeAnalysis;
- using System.Diagnostics.Contracts;
using System.Linq;
using DotNetOpenAuth.Messaging;
using DotNetOpenAuth.OpenId.Extensions.AttributeExchange;
using DotNetOpenAuth.OpenId.Extensions.SimpleRegistration;
using DotNetOpenAuth.OpenId.Messages;
+ using Validation;
/// <summary>
/// A set of methods designed to assist in improving interop across different