docs: private static synchronized void addTransformer() {
          if (detailedTransformTrace && tc.isEntryEnabled())
              Tr.entry(tc, "addTransformer");
  
          if (registeredTransformer == null && instrumentation != null) {
              registeredTransformer = new LibertyJava8WorkaroundRuntimeTransformer();
              instrumentation.addTransformer(registeredTransformer, false);
          }
  
          if (detailedTransformTrace && tc.isEntryEnabled())
              Tr.exit(tc, "addTransformer");
      }