"properties": {
          "driver": {
            "default": "",
            "description": "driver is the name of the CSI driver that handles this volume. Consult with your admin for the correct name as registered in the cluster.",
            "type": "string"
          },
          "fsType": {

          "singularName": {
            "default": "",
            "description": "singularName is the singular name of the resource.  This allows clients to handle plural and singular opaquely. The singularName is more correct for reporting status on a single item and both singular and plural are allowed from the kubectl CLI interface.",
            "type": "string"
          },
          "storageVersionHash": {

}

// Represents a source location of a volume to mount, managed by an external CSI driver
message CSIVolumeSource {
  // driver is the name of the CSI driver that handles this volume.
  // Consult with your admin for the correct name as registered in the cluster.
  optional string driver = 1;

  // readOnly specifies a read-only configuration for the volume.
  // Defaults to false (read/write).
  // +optional
  optional bool readOnly = 2;

type CSIVolumeSource struct {
	// Driver is the name of the CSI driver that handles this volume.
	// Consult with your admin for the correct name as registered in the cluster.
	// Required.
	Driver string

	// Specifies a read-only configuration for the volume.
	// Defaults to false (read/write).
	// +optional
	ReadOnly *bool

	"":                     "Represents a source location of a volume to mount, managed by an external CSI driver",
	"driver":               "driver is the name of the CSI driver that handles this volume. Consult with your admin for the correct name as registered in the cluster.",
	"readOnly":             "readOnly specifies a read-only configuration for the volume. Defaults to false (read/write).",

}

// Represents a source location of a volume to mount, managed by an external CSI driver
message CSIVolumeSource {
  // driver is the name of the CSI driver that handles this volume.
  // Consult with your admin for the correct name as registered in the cluster.
  optional string driver = 1;

  // readOnly specifies a read-only configuration for the volume.
  // Defaults to false (read/write).
  // +optional
  optional bool readOnly = 2;

* Return Audit-Id http response header for trouble shooting ([#49377](https://github.com/kubernetes/kubernetes/pull/49377), [@CaoShuFeng](https://github.com/CaoShuFeng))
* Status objects for 404 API errors will have the correct APIVersion ([#49868](https://github.com/kubernetes/kubernetes/pull/49868), [@shiywang](https://github.com/shiywang))

	// CONTINUATION frames. The underlying slice is owned by the
	// Framer and must not be retained after the next call to
	// ReadFrame.
	//
	// Fields are guaranteed to be in the correct http2 order and
	// not have unknown pseudo header fields or invalid header
	// field names or values. Required pseudo header fields may be
	// missing, however. Use the MetaHeadersFrame.Pseudo accessor

// Represents a source location of a volume to mount, managed by an external CSI driver
type CSIVolumeSource struct {
	// driver is the name of the CSI driver that handles this volume.
	// Consult with your admin for the correct name as registered in the cluster.
	Driver string `json:"driver" protobuf:"bytes,1,opt,name=driver"`

	// readOnly specifies a read-only configuration for the volume.
	// Defaults to false (read/write).

- Kube-apiserver: DELETECOLLECTION API requests are now recorded in metrics with the correct verb. ([#113133](https://github.com/kubernetes/kubernetes/pull/113133), [@sxllwx](https://github.com/sxllwx)) [SIG API Machinery]