reactive/AsyncRx.NET/System.Reactive.Async/System/Reactive/Subjects/IAsyncSubject.cs

// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the Apache 2.0 License.
// See the LICENSE file in the project root for more information. 

namespace System.Reactive.Subjects
{
    public interface IAsyncSubject<T> : IAsyncObservable<T>, IAsyncObserver<T>
    {
    }
}