mono/netcore/System.Private.CoreLib/shared/System/Threading/ApartmentState.cs

// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.

namespace System.Threading
{
    public enum ApartmentState
    {
        /*=========================================================================
        ** Constants for thread apartment states.
        =========================================================================*/
        STA = 0,
        MTA = 1,
        Unknown = 2
    }
}