docs: public SIMPItemStream getItemStream()
    {
      if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
        SibTr.entry(tc, "getItemStream");
  
      if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
        SibTr.exit(tc, "getItemStream", containerItemStream);
  
      return (SIMPItemStream) containerItemStream;
    }