code: public void dereferenceLocalisation(LocalizationPoint ptoPMessageItemStream)
    {
      if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
        SibTr.entry(tc, "dereferenceLocalisation", ptoPMessageItemStream);
  
      // Reset the reference to the local messages itemstream if it is being removed.
        synchronized(_xmitQueuePoints)
        {
          _xmitQueuePoints.remove(ptoPMessageItemStream.getLocalizingMEUuid());
        }
  
        /*
         * Remove the outputHandler from the set of OutputHandlers, if
         * it exists.
         */
        removeQueuePointOutputHandler(ptoPMessageItemStream.getLocalizingMEUuid());
  
      if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
        SibTr.exit(tc, "dereferenceLocalisation");
    }
docs: Method dereferenceLocalisation
  <p>Called back by a PtoPMessageItemStream when the Transaction containing it commits.
  Removes the localisation and its associated OutputHandler
  from the destination.
  
  @param ptoPMessageItemStream  The localisation to dereference.