// +optional
  optional UserSubject user = 2;

  // `group` matches based on user group name.
  // +optional
  optional GroupSubject group = 3;

  // `serviceAccount` matches ServiceAccounts.
  // +optional
  optional ServiceAccountSubject serviceAccount = 4;
}

// UserSubject holds detailed information for user-kind subject.
message UserSubject {
  // `name` is the username that matches, or "*" to match all usernames.

    # Default behavior: latest images will be Always else IfNotPresent.
    imagePullPolicy: ""

    # ImagePullSecrets for all ServiceAccount, list of secrets in the same namespace
    # to use for pulling any images in pods that reference this ServiceAccount.
    # For components that don't use ServiceAccounts (i.e. grafana, servicegraph, tracing)
    # ImagePullSecrets will be added to the corresponding Deployment(StatefulSet) objects.

	// Kind of object being referenced. Values defined by this API group are "User", "Group", and "ServiceAccount".
	// If the Authorizer does not recognized the kind value, the Authorizer should report an error.
	Kind string `json:"kind" protobuf:"bytes,1,opt,name=kind"`
	// APIGroup holds the API group of the referenced subject.
	// Defaults to "" for ServiceAccount subjects.
	// Defaults to "rbac.authorization.k8s.io" for User and Group subjects.
	// +optional

		}
	case gvr.ServiceAccount:
		l = func(options metav1.ListOptions) (runtime.Object, error) {
			return c.Kube().CoreV1().ServiceAccounts(opts.Namespace).List(context.Background(), options)
		}
		w = func(options metav1.ListOptions) (watch.Interface, error) {
			return c.Kube().CoreV1().ServiceAccounts(opts.Namespace).Watch(context.Background(), options)
		}
	case gvr.ServiceEntry:

    # Default behavior: latest images will be Always else IfNotPresent.
    imagePullPolicy: ""

    # ImagePullSecrets for all ServiceAccount, list of secrets in the same namespace
    # to use for pulling any images in pods that reference this ServiceAccount.
    # For components that don't use ServiceAccounts (i.e. grafana, servicegraph, tracing)
    # ImagePullSecrets will be added to the corresponding Deployment(StatefulSet) objects.

	// Kind of object being referenced. Values defined by this API group are "User", "Group", and "ServiceAccount".
	// If the Authorizer does not recognized the kind value, the Authorizer should report an error.
	Kind string `json:"kind" protobuf:"bytes,1,opt,name=kind"`
	// APIVersion holds the API group and version of the referenced subject.
	// Defaults to "v1" for ServiceAccount subjects.
	// Defaults to "rbac.authorization.k8s.io/v1alpha1" for User and Group subjects.

		expectedError bool
	}{
		{
			name: "create serviceaccount success",
			setupClient: func(client *clientsetfake.Clientset) {
				client.PrependReactor("create", "serviceaccounts", func(clientgotesting.Action) (bool, runtime.Object, error) {
					return true, nil, nil
				})
			},
			expectedError: false,
		},
		{
			name: "create serviceaccount returns error",

	Service                        = schema.GroupVersionResource{Group: "", Version: "v1", Resource: "services"}
	ServiceAccount                 = schema.GroupVersionResource{Group: "", Version: "v1", Resource: "serviceaccounts"}
	ServiceEntry                   = schema.GroupVersionResource{Group: "networking.istio.io", Version: "v1alpha3", Resource: "serviceentries"}

  // +optional
  optional UserSubject user = 2;

  // `group` matches based on user group name.
  // +optional
  optional GroupSubject group = 3;

  // `serviceAccount` matches ServiceAccounts.
  // +optional
  optional ServiceAccountSubject serviceAccount = 4;
}

// UserSubject holds detailed information for user-kind subject.
message UserSubject {
  // `name` is the username that matches, or "*" to match all usernames.

  // +optional
  optional UserSubject user = 2;

  // `group` matches based on user group name.
  // +optional
  optional GroupSubject group = 3;

  // `serviceAccount` matches ServiceAccounts.
  // +optional
  optional ServiceAccountSubject serviceAccount = 4;
}

// UserSubject holds detailed information for user-kind subject.
message UserSubject {
  // `name` is the username that matches, or "*" to match all usernames.