"Warning: only a single namespace can be set.").Get()

	// This is a feature flag, can be removed if protobuf proves universally better.
	KubernetesClientContentType = env.Register("ISTIO_KUBE_CLIENT_CONTENT_TYPE", "protobuf",
		"The content type to use for Kubernetes clients. Defaults to protobuf. Valid options: [protobuf, json]").Get()

	EnableExternalNameAlias = env.Register("ENABLE_EXTERNAL_NAME_ALIAS", true,