TokenImpersonationLevel.cs

using System.Runtime.InteropServices;

namespace System.Security.Principal
{
    [Serializable]
    [ComVisible(true)]
    [__DynamicallyInvokable]
    public enum TokenImpersonationLevel
    {
        [__DynamicallyInvokable]
        None,
        [__DynamicallyInvokable]
        Anonymous,
        [__DynamicallyInvokable]
        Identification,
        [__DynamicallyInvokable]
        Impersonation,
        [__DynamicallyInvokable]
        Delegation
    }
}