// Defaults to Delete.
  // +optional
  optional string reclaimPolicy = 4;

  // mountOptions controls the mountOptions for dynamically provisioned PersistentVolumes of this storage class.
  // e.g. ["ro", "soft"]. Not validated -
  // mount of the PVs will simply fail if one is invalid.
  // +optional
  repeated string mountOptions = 5;

  // allowVolumeExpansion shows whether the storage class allow volume expand

  // Defaults to Delete.
  // +optional
  optional string reclaimPolicy = 4;

  // mountOptions controls the mountOptions for dynamically provisioned PersistentVolumes of this storage class.
  // e.g. ["ro", "soft"]. Not validated -
  // mount of the PVs will simply fail if one is invalid.
  // +optional
  repeated string mountOptions = 5;

  // allowVolumeExpansion shows whether the storage class allow volume expand.

  // means that this volume does not belong to any StorageClass.
  // +optional
  optional string storageClassName = 6;

  // mountOptions is the list of mount options, e.g. ["ro", "soft"]. Not validated - mount will
  // simply fail if one is invalid.
  // More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes/#mount-options
  // +optional
  repeated string mountOptions = 7;

// but will be re-emitted in their canonical form. (So always use canonical
// form, or don't diff.)
//
// This format is intended to make it difficult to use these numbers without
// writing some sort of special handling code in the hopes that that will
// cause implementors to also use a fixed point implementation.
//
// +protobuf=true
// +protobuf.embed=string
// +protobuf.options.marshal=false