code: public static void setClassFinder(ClassFinder classFinder)
      {
          ClassFinderActivator.classFinder = classFinder;
          ClassServiceUtility classService = (ClassServiceUtility)ClassServiceUtility.getClassService();
          classService.setClassFinder(classFinder);
      }
docs: Find this class's class access service in the current workspace.
  @param waitForStart
  @param className
  @return