"allowVolumeExpansion": "allowVolumeExpansion shows whether the storage class allow volume expand",
	"volumeBindingMode":    "volumeBindingMode indicates how PersistentVolumeClaims should be provisioned and bound.  When unset, VolumeBindingImmediate is used. This field is only honored by servers that enable the VolumeScheduling feature.",

				Name: immediateClass,
			},
			VolumeBindingMode: &immediateMode,
		},
		{
			ObjectMeta: metav1.ObjectMeta{
				Name: waitClass,
			},
			VolumeBindingMode: &waitMode,
			Provisioner:       "kubernetes.io/no-provisioner",
		},
		{
			ObjectMeta: metav1.ObjectMeta{
				Name: topoMismatchClass,
			},
			VolumeBindingMode: &waitMode,
			Provisioner:       provisioner,

  // +optional
  optional bool allowVolumeExpansion = 6;

  // volumeBindingMode indicates how PersistentVolumeClaims should be
  // provisioned and bound.  When unset, VolumeBindingImmediate is used.
  // This field is only honored by servers that enable the VolumeScheduling feature.
  // +optional
  optional string volumeBindingMode = 7;

func (pl *VolumeBinding) EventsToRegister() []framework.ClusterEventWithHint {
	events := []framework.ClusterEventWithHint{
		// Pods may fail because of missing or mis-configured storage class
		// (e.g., allowedTopologies, volumeBindingMode), and hence may become
		// schedulable upon StorageClass Add or Update events.
		{Event: framework.ClusterEvent{Resource: framework.StorageClass, ActionType: framework.Add | framework.Update}},

					Name:              "sc4",
					CreationTimestamp: metav1.Time{Time: time.Now().Add(-3e11)},
				},
				Provisioner:       "kubernetes.io/nfs",
				ReclaimPolicy:     &policyRetain,
				VolumeBindingMode: &bindModeImmediate,
			},
			expected: []metav1.TableRow{{Cells: []interface{}{"sc4", "kubernetes.io/nfs", "Retain",
				"Immediate", false, "5m"}}},
		},
		{
			sc: storage.StorageClass{

			test:            testSyncClaim,
		},
	}
	_, ctx := ktesting.NewTestContext(t)
	runSyncTests(t, ctx, tests, []*storage.StorageClass{
		{
			ObjectMeta:        metav1.ObjectMeta{Name: classWait},
			VolumeBindingMode: &modeWait,
		},
	}, []*v1.Pod{})
}

func TestSyncBlockVolume(t *testing.T) {
	modeBlock := v1.PersistentVolumeBlock
	modeFile := v1.PersistentVolumeFilesystem

            "type": "string"
          },
          "volumeBindingMode": {
            "description": "volumeBindingMode indicates how PersistentVolumeClaims should be provisioned and bound.  When unset, VolumeBindingImmediate is used. This field is only honored by servers that enable the VolumeScheduling feature.",

							Type:        []string{"boolean"},
							Format:      "",
						},
					},
					"volumeBindingMode": {
						SchemaProps: spec.SchemaProps{

          "type": "string"
        },
        "volumeBindingMode": {
          "description": "volumeBindingMode indicates how PersistentVolumeClaims should be provisioned and bound.  When unset, VolumeBindingImmediate is used. This field is only honored by servers that enable the VolumeScheduling feature.",

          "type": "string"
        },
        "volumeBindingMode": {
          "description": "volumeBindingMode indicates how PersistentVolumeClaims should be provisioned and bound.  When unset, VolumeBindingImmediate is used. This field is only honored by servers that enable the VolumeScheduling feature.",