in src/main/java/com/alibaba/csp/sentinel/adapter/dubbo/fallback/DubboFallbackRegistry.java [39:42]
public static void setConsumerFallback(DubboFallback consumerFallback) {
AssertUtil.notNull(consumerFallback, "consumerFallback cannot be null");
DubboFallbackRegistry.consumerFallback = consumerFallback;
}