// ;
 public RabbitMQOptionsFactory()
 {
     opt         = new RabbitMQOptions();
     opt.factory = new ConnectionFactory()
     {
         HostName = "localhost"
     };                                                               //
 }
 public RabbitMQMsgConsumerMap setOptions(RabbitMQOptions opt)
 {
     factory = opt.factory;
     return(this);
 }