/// <summary>
/// Tells the transfer service that transmission is being
/// paused for an unknown period of time. This should keep
/// the transfer enabled (including lock to protect the resource),
/// but gives the service time to free or unlock resources.
/// </summary>
/// <param name="transferId">Identifies the transfer and resource.</param>
/// <exception cref="UnknownTransferException">In case the <paramref name="transferId"/>
/// does not refer to an active transfer.</exception>
public override void PauseTransferImpl(string transferId)
{
ReaderService.PauseTransfer(transferId);
}