Because Ztunnel can have Istio semantics baked in, we do not need to encode all this information on the wire.
Instead, an Istio specific field like `ExpectedTLSIdentity: spiffe://foo.bar` can encode the same information, at a fraction of the cost.

  // Spec is an empty spec. It is here to comply with Kubernetes API style.
  optional StorageVersionSpec spec = 2;

  // API server instances report the version they can decode and the version they
  // encode objects to when persisting objects in the backend.
  optional StorageVersionStatus status = 3;
}

// Describes the state of the storageVersion at a certain point.
message StorageVersionCondition {

  // +featureGate=InPlacePodVerticalScaling
  // +optional
  optional string resize = 14;
}

// PodStatusResult is a wrapper for PodStatus returned by kubelet that can be encode/decoded
message PodStatusResult {
  // Standard object's metadata.
  // More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata
  // +optional

  // with a registered type. Most likely, nothing should be done with this
  // except for passing it through the system.
  optional bytes raw = 2;

  // ContentEncoding is encoding used to encode 'Raw' data.
  // Unspecified means no encoding.
  optional string contentEncoding = 3;

  // ContentType  is serialization method used to serialize 'Raw'.
  // Unspecified means ContentTypeJSON.