code: void activateClassAvailableProxyTarget() throws Exception {
          Method method = ReflectionHelper.getDeclaredMethod(getClass(), "classAvailable", Class.class);
          findClassAvailableProxySetClassAvailableTargetMethod().invoke(null, this, method);
      }
docs: Activate the {@link #ClassAvailableProxy} by setting ourselves as the
  delegate.
  
  @throws Exception if a reflection error occurred