type http2Framer struct {
	r         io.Reader
	lastFrame http2Frame
	errDetail error

	// countError is a non-nil func that's called on a frame parse
	// error with some unique error path token. It's initialized
	// from Transport.CountError or Server.CountError.
	countError func(errToken string)

	// lastHeaderStream is non-zero if the last frame was an
	// unfinished HEADERS/CONTINUATION.

// IsFilesystemMismatchError checks if mount failed because requested filesystem
// on PVC and actual filesystem on disk did not match
func IsFilesystemMismatchError(err error) bool {
	mountError := mount.MountError{}
	return errors.As(err, &mountError) && mountError.Type == mount.FilesystemMismatch
}

// IsUncertainProgressError checks if given error is of type that indicates
// operation might be in-progress in background.

	}
}

func (og *operationGenerator) checkForFailedMount(volumeToMount VolumeToMount, mountError error) {
	pv := volumeToMount.VolumeSpec.PersistentVolume
	if pv == nil {
		return
	}

	if volumetypes.IsFilesystemMismatchError(mountError) {
		simpleMsg, _ := volumeToMount.GenerateMsg("MountVolume failed", mountError.Error())
		og.recorder.Eventf(pv, v1.EventTypeWarning, kevents.FailedMountOnFilesystemMismatch, simpleMsg)