code: private void callHandleMethod(Method method, Object instance, ApiZone apiZone,
              Object userAgent) {
          ReflectMethodUtil.invokeHandleMethod(method, instance, context, apiZone, userAgent);
      }
docs: Call handle method
  
  @param method
  handle method
  @param instance
  object to call method
  @param apiZone
  api zone reference
  @param userAgent
  user agent reference