namespace System.Threading.Tasks.Dataflow
{
    public sealed class JoinBlock<T1, T2, T3> : IDataflowBlock, IReceivableSourceBlock<Tuple<T1, T2, T3>!>, ISourceBlock<Tuple<T1, T2, T3>!>
    {
        public IDisposable! LinkTo(ITargetBlock<Tuple<T1, T2, T3>!>! target, DataflowLinkOptions! linkOptions);
    }
}