docs: public static TopicWildcardTranslation getInstance() throws Exception
    {
      if (tcInt.isEntryEnabled()) Tr.entry(tcInt, "getInstance");
      
      if (twt == null)
      {  
        try
        {
          Class cls = Class.forName(UtConstants.TWT_FACTORY_CLASS);
          twt = (TopicWildcardTranslation) cls.newInstance();
        }       
        catch(InstantiationException ie)
        {
          // No FFDC code needed
          if (tcInt.isDebugEnabled())Tr.debug(tcInt, "Unable to instantiate TopicWildcardTranslation", ie);
          if (tcInt.isEntryEnabled())Tr.exit(tcInt, "getInstance");
            
          twt = null;     
  
          throw ie;
        } 
      }
       
      if (tcInt.isEntryEnabled()) Tr.exit(tcInt, "getInstance");
      return twt;
      
    }