@Bean
    public DiscoveryProcessorHolder discoveryProcessorHolder(@Qualifier("DefaultDiscoveryProcessor") final DiscoveryProcessor defaultDiscoveryProcessor,
                                                             @Qualifier("LocalDiscoveryProcessor") final DiscoveryProcessor localDiscoveryProcessor,
                                                             @Qualifier("APDiscoveryProcessor") final DiscoveryProcessor eurekaDiscoveryProcessor) {
        return new DiscoveryProcessorHolder(defaultDiscoveryProcessor, localDiscoveryProcessor, eurekaDiscoveryProcessor);
    }
discoveryProcessorHolder.

@param defaultDiscoveryProcessor defaultDiscoveryProcessor
@param localDiscoveryProcessor   localDiscoveryProcessor
@param eurekaDiscoveryProcessor  eurekaDiscoveryProcessor
@return DiscoveryProcessorHolder
shenyu-admin/src/main/java/org/apache/shenyu/admin/config/DiscoveryConfiguration.java