public void ConnectionBeforeReceivingMessage(ConnectionId connectionId, int responseTo)
 {
     _first.ConnectionBeforeReceivingMessage(connectionId, responseTo);
     _second.ConnectionBeforeReceivingMessage(connectionId, responseTo);
 }
 /// <inheritdoc/>
 public void ConnectionBeforeReceivingMessage(ConnectionBeforeReceivingMessageEvent @event)
 {
     _first.ConnectionBeforeReceivingMessage(@event);
     _second.ConnectionBeforeReceivingMessage(@event);
 }