public static KubernetesEndpointGroup of(String namespace, String serviceName) {
        return builder(DEFAULT_CLIENT, false)
                .namespace(namespace)
                .serviceName(serviceName)
                .build();
    }
Returns a newly created {@link KubernetesEndpointGroup} with the specified {@code namespace} and
{@code serviceName}.
The default configuration in the $HOME/.kube/config will be used to create a {@link KubernetesClient}.
kubernetes/src/main/java/com/linecorp/armeria/client/kubernetes/endpoints/KubernetesEndpointGroup.java