code: private void notifyHandlers(ApiUser apiUser) {
          for(ServerUserHandlerClass handler : serverUserEventHandler) {
              Object userAgent = checkUserAgent(handler, apiUser);
              ReflectMethodUtil.invokeHandleMethod(
                      handler.getHandleMethod(), 
                      handler.newInstance(), 
                      context, 
                      userAgent);
          }
      }
docs: Propagate event to handlers
  
  @param apiUser user agent object