public static CellStreamSink <T> CreateStreamSink <T>(Func <T, T, T> coalesce) => CellInternal.CreateStreamSinkImpl(coalesce);
public static CellStreamSink <T> CreateStreamSink <T>() => CellInternal.CreateStreamSinkImpl <T>();
public static CellStreamSink <T> CreateStreamSink <T>(Func <T, T, T> coalesce) => CellInternal.CreateStreamSinkImpl(coalesce);
public static CellStreamSink <T> CreateStreamSink <T>() => CellInternal.CreateStreamSinkImpl <T>();