docs: SubscriptionMessageHandler addLocalSubscription(
      ConsumerDispatcherState subState,
      SubscriptionMessageHandler messageHandler,
      Transaction transaction,
      boolean sendProxy) throws SIResourceException
    {
      if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
        SibTr.entry(
          tc,
          "addLocalSubscription",
          new Object[] {
            subState,
            messageHandler,
            transaction,
            new Boolean(sendProxy)});
  
      // This method will have been called by the local MP when registering
      // a local Subscription.
      messageHandler = addSubscription(subState.getTopicSpaceName(),
                                       subState.getTopicSpaceUuid(),
                                       subState.getTopic(),                                  
                                       messageHandler,
                                       iLocalSubscriptions,
                                       sendProxy);
  
      // If the message handler is not null then send the message to all the neighbours
      if (messageHandler != null && sendProxy)
        sendToNeighbours(messageHandler.getSubscriptionMessage(), transaction, false);
  
      if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
        SibTr.exit(tc, "addLocalSubscription", messageHandler);
  
      return messageHandler;
    }