}, {
		name:               "update - user changed from None to ClusterIP",
		oldService:         makeServiceWithClusterIp("None", []string{"None"}),
		newService:         makeServiceWithClusterIp("10.0.0.10", []string{"None"}),
		expectedClusterIP:  "10.0.0.10",
		expectedClusterIPs: []string{"10.0.0.10"},
	}, {
		name:               "update - user changed from ClusterIP to None",

  // +optional
  // +listType=atomic
  repeated string externalIPs = 5;

  // Supports "ClientIP" and "None". Used to maintain session affinity.
  // Enable client IP based session affinity.
  // Must be ClientIP or None.
  // Defaults to None.
  // More info: https://kubernetes.io/docs/concepts/services-networking/service/#virtual-ips-and-service-proxies
  // +optional

		}
	case core.ServiceTypeNodePort:
		if isHeadlessService(service) {
			allErrs = append(allErrs, field.Invalid(specPath.Child("clusterIPs").Index(0), service.Spec.ClusterIPs[0], "may not be set to 'None' for NodePort services"))
		}
	case core.ServiceTypeExternalName:

```Python
from typing import Union
from fastapi import Cookie, FastAPI, Header, Path, Query

app = FastAPI()


@app.get("/items/{item_id}")
def main(
    item_id: int = Path(gt=0),
    query: Union[str, None] = Query(default=None, max_length=10),
    session: Union[str, None] = Cookie(default=None, min_length=3),

- NONE ([#124326](https://github.com/kubernetes/kubernetes/pull/124326), [@ritazh](https://github.com/ritazh)) [SIG Auth]

- [`KT-65821`](https://youtrack.jetbrains.com/issue/KT-65821) K2: [NONE_APPLICABLE] None of the following functions is applicable: [constructor(message: String?): Throwable, constructor(cause: Throwable?): Throwable, constructor(): Throwable, ...]