@Bean
    public SharedIndexInformer<V1Ingress> ingressInformer(final ApiClient apiClient, final SharedInformerFactory sharedInformerFactory) {
        GenericKubernetesApi<V1Ingress, V1IngressList> genericApi = new GenericKubernetesApi<>(V1Ingress.class,
                V1IngressList.class, "networking.k8s.io", "v1", "ingresses", apiClient);
        return sharedInformerFactory.sharedIndexInformerFor(genericApi, V1Ingress.class, 0);
    }
IngressInformer.

@param apiClient apiClient
@param sharedInformerFactory sharedInformerFactory
@return ingressInformer
shenyu-spring-boot-starter/shenyu-spring-boot-starter-k8s/src/main/java/org/apache/shenyu/springboot/starter/k8s/IngressControllerConfiguration.java