}

	return nil, false, fmt.Errorf("Spec does not reference a Portworx Volume type")
}

// Abstract interface to PD operations.
type portworxManager interface {
	// Creates a volume
	CreateVolume(provisioner *portworxVolumeProvisioner) (volumeID string, volumeSizeGB int64, labels map[string]string, err error)
	// Deletes a volume
	DeleteVolume(deleter *portworxVolumeDeleter) error
	// Attach a volume

	pxServiceName      = "portworx-service"
	pxDriverName       = "pxd-sched"
)

type portworxVolumeUtil struct {
	portworxClient *osdclient.Client
}

// CreateVolume creates a Portworx volume.
func (util *portworxVolumeUtil) CreateVolume(p *portworxVolumeProvisioner) (string, int64, map[string]string, error) {
	driver, err := util.getPortworxDriver(p.plugin.host)
	if err != nil || driver == nil {

					},
				},
			},
		}
	}
	return &csipb.ControllerGetCapabilitiesResponse{
		Capabilities: f.nextCapabilities,
	}, nil
}

// CreateVolume implements csi method
func (f *ControllerClient) CreateVolume(ctx context.Context, in *csipb.CreateVolumeRequest, opts ...grpc.CallOption) (*csipb.CreateVolumeResponse, error) {
	return nil, nil
}

// DeleteVolume implements csi method

  // driver is the name of the driver to use for this volume.
  // Required.
  optional string driver = 1;

  // volumeHandle is the unique volume name returned by the CSI volume
  // plugin’s CreateVolume to refer to the volume on all subsequent calls.
  // Required.
  optional string volumeHandle = 2;

  // readOnly value to pass to ControllerPublishVolumeRequest.
  // Defaults to false (read/write).

	// Driver is the name of the driver to use for this volume.
	// Required.
	Driver string

	// VolumeHandle is the unique volume name returned by the CSI volume
	// plugin’s CreateVolume to refer to the volume on all subsequent calls.
	// Required.
	VolumeHandle string

	// Optional: The value to pass to ControllerPublishVolumeRequest.
	// Defaults to false (read/write).
	// +optional

	"driver":                     "driver is the name of the driver to use for this volume. Required.",
	"volumeHandle":               "volumeHandle is the unique volume name returned by the CSI volume plugin’s CreateVolume to refer to the volume on all subsequent calls. Required.",
	"readOnly":                   "readOnly value to pass to ControllerPublishVolumeRequest. Defaults to false (read/write).",

  // driver is the name of the driver to use for this volume.
  // Required.
  optional string driver = 1;

  // volumeHandle is the unique volume name returned by the CSI volume
  // plugin’s CreateVolume to refer to the volume on all subsequent calls.
  // Required.
  optional string volumeHandle = 2;

  // readOnly value to pass to ControllerPublishVolumeRequest.
  // Defaults to false (read/write).

* Add prometheus metrics for the PodSecurityPolicy admission controller ([#57346](https://github.com/kubernetes/kubernetes/pull/57346), [@tallclair](https://github.com/tallclair))
* fix CreateVolume func: use search mode instead ([#54687](https://github.com/kubernetes/kubernetes/pull/54687), [@andyzhangx](https://github.com/andyzhangx))

            "type": "object"
          },
          "volumeHandle": {
            "default": "",
            "description": "volumeHandle is the unique volume name returned by the CSI volume plugin’s CreateVolume to refer to the volume on all subsequent calls. Required.",
            "type": "string"
          }
        },
        "required": [
          "driver",
          "volumeHandle"
        ],

	// Required.
	Driver string `json:"driver" protobuf:"bytes,1,opt,name=driver"`

	// volumeHandle is the unique volume name returned by the CSI volume
	// plugin’s CreateVolume to refer to the volume on all subsequent calls.
	// Required.
	VolumeHandle string `json:"volumeHandle" protobuf:"bytes,2,opt,name=volumeHandle"`

	// readOnly value to pass to ControllerPublishVolumeRequest.