public NacosEndpointGroupBuilder useHealthyEndpoints(boolean useHealthyEndpoints) {
        nacosClientBuilder.healthyOnly(useHealthyEndpoints);
        return this;
    }
Sets the healthy to retrieve only healthy instances from Nacos.
Make sure that your target endpoints are health-checked by Nacos before enabling this feature.
If not set, false is used by default.
nacos/src/main/java/com/linecorp/armeria/client/nacos/NacosEndpointGroupBuilder.java