code: public boolean hasNext()
    {
      if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
      {
        SibTr.entry(tc, "hasNext");
        SibTr.exit(tc, "hasNext");
      }
        
      return msgIterator.hasNext();
    }
docs: /* (non-Javadoc)
  @see java.util.Iterator#hasNext()