linux-packaging-mono/mcs/class/referencesource/System.IdentityModel/System/IdentityModel/Selectors/SecurityTokenVersion.cs

//------------------------------------------------------------
// Copyright (c) Microsoft Corporation.  All rights reserved.
//------------------------------------------------------------

namespace System.IdentityModel.Selectors
{
    using System.Collections.ObjectModel;

    public abstract class SecurityTokenVersion
    {
        public abstract ReadOnlyCollection<string> GetSecuritySpecifications();
    }
}