code: @Bean
  	public RestRibbonEasyTransRpcConsumerImpl restRibbonEasyTransRpcConsumerImpl(RestRibbonEasyTransRpcProperties properties, ApplicationContext ctx, List<RibbonClientSpecification> configurations) {
  	    return new RestRibbonEasyTransRpcConsumerImpl(properties, null, ctx, configurations);
  	}
docs: ------------- for rest ribbon ---------------