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//------------------------------------------------------------------------------
// <copyright file="EmptyImpersonationContext.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
//------------------------------------------------------------------------------
namespace System.Configuration {
using System.Configuration.Internal;
using System.Collections;
using System.Collections.Specialized;
using System.Configuration;
using System.Globalization;
using System.IO;
using System.Runtime.InteropServices;
using System.Security.Permissions;
using System.Security;
using System.Text;
using System.Xml;
// An impersonation context that does nothing
// Used in cases where the Host does not require impersonation.
class EmptyImpersonationContext : IDisposable {
static volatile IDisposable s_emptyImpersonationContext;
static internal IDisposable GetStaticInstance() {
if (s_emptyImpersonationContext == null) {
s_emptyImpersonationContext = new EmptyImpersonationContext();
}
return s_emptyImpersonationContext;
}
public void Dispose() {}
}
}
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