code: static WorkClassLoader createWorkClassLoader(final ClassBundle cb)
     {
        return AccessController.doPrivileged(new PrivilegedAction<WorkClassLoader>() 
        {
           public WorkClassLoader run()
           {
              return new WorkClassLoader(cb);
           }
        });
     }
docs: Create a WorkClassLoader
  @param cb The class bundle
  @return The class loader