docs: public CompoundName getFirstInChain()
    {
      if (tc.isEntryEnabled())
        SibTr.entry(tc, "getFirstInChain");
        
      CompoundName firstInChain = collector.getFirst();
      
      if (tc.isEntryEnabled())
        SibTr.exit(tc, "getFirstInChain", firstInChain);
        
      return firstInChain;
    }