public ReplySendDistributionChannelBuilder(
            MessageReceiver messageReceiver,
            ReplySendChannelBuilder builder, 
            ReplyAddressLookup replyAddressLookup,
            ChangeStoreSelector changeStoreSelector,
            ICheckpointStrategy checkPointStrategy)
        {
            Contract.Requires(messageReceiver != null);
            Contract.Requires(builder != null);
            Contract.Requires(replyAddressLookup != null);
            Contract.Requires(changeStoreSelector != null);
            Contract.Requires(checkPointStrategy != null);

            this.messageReceiver = messageReceiver;
            this.builder = builder;
            this.replyAddressLookup = replyAddressLookup;
            this.changeStoreSelector = changeStoreSelector;
            this.checkPointStrategy = checkPointStrategy;
        }
        internal RequestRecieveChannelBuilder(
            ReplyAddressLookup replyAddressLookup,
            ISerialiser serialiser,
            MessageHandlerRouter messageHandlerRouter,
            AcknowledgementSender acknowledgementSender,
            MessageCacheFactory messageCacheFactory,
            ISystemTime systemTime,
            ITaskRepeater taskRepeater,
            ServerAddressRegistry serverAddressRegistry,
            IMainThreadMarshaller mainThreadMarshaller,
            AuthenticationSessionCache authenticationSessionCache,
            AuthenticatedServerRegistry authenticatedServerRegistry,
            ReplyCorrelationLookup correlationLookup)
        {
            Contract.Requires(replyAddressLookup != null);
            Contract.Requires(serialiser != null);
            Contract.Requires(messageHandlerRouter != null);
            Contract.Requires(acknowledgementSender != null);
            Contract.Requires(messageCacheFactory != null);
            Contract.Requires(systemTime != null);
            Contract.Requires(taskRepeater != null);
            Contract.Requires(serverAddressRegistry != null);
            Contract.Requires(mainThreadMarshaller != null);
            Contract.Requires(authenticationSessionCache != null);
            Contract.Requires(authenticatedServerRegistry != null);
            Contract.Requires(correlationLookup != null);

            this.replyAddressLookup = replyAddressLookup;
            this.serialiser = serialiser;
            this.messageHandlerRouter = messageHandlerRouter;
            this.acknowledgementSender = acknowledgementSender;
            this.messageCacheFactory = messageCacheFactory;
            this.systemTime = systemTime;
            this.taskRepeater = taskRepeater;
            this.serverAddressRegistry = serverAddressRegistry;
            this.mainThreadMarshaller = mainThreadMarshaller;
            this.authenticationSessionCache = authenticationSessionCache;
            this.authenticatedServerRegistry = authenticatedServerRegistry;
            this.correlationLookup = correlationLookup;
        }