public SendContext(ScaleoutStreamManager scaleoutStream, int index, IList<Message> messages)
 {
     StreamManager = scaleoutStream;
     Index = index;
     Messages = messages;
 }
 public SendContext(ScaleoutStreamManager scaleoutStream, int index, IList <Message> messages)
 {
     StreamManager = scaleoutStream;
     Index         = index;
     Messages      = messages;
 }