public void SMove(string fromSetId, string toSetId, byte[] value)
{
if (fromSetId == null)
throw new ArgumentNullException("fromSetId");
if (toSetId == null)
throw new ArgumentNullException("toSetId");
SendExpectSuccess(Commands.SMove, fromSetId.ToUtf8Bytes(), toSetId.ToUtf8Bytes(), value);
}