allErrors = append(allErrors, field.NotSupported(fldPath.Child("failurePolicy"), *hook.FailurePolicy, supportedFailurePolicies.List()))
	}
	if hook.MatchPolicy != nil && !supportedMatchPolicies.Has(string(*hook.MatchPolicy)) {
		allErrors = append(allErrors, field.NotSupported(fldPath.Child("matchPolicy"), *hook.MatchPolicy, supportedMatchPolicies.List()))
	}

				allErrs = append(allErrs, field.NotSupported(fldPath, *spec.PodReplacementPolicy, []batch.PodReplacementPolicy{batch.Failed}))
			}
			// If PodFailurePolicy not specified we allow values in supportedPodReplacementPolicy.
		} else if !supportedPodReplacementPolicy.Has(*spec.PodReplacementPolicy) {
			allErrs = append(allErrs, field.NotSupported(fldPath, *spec.PodReplacementPolicy, sets.List(supportedPodReplacementPolicy)))

		}
		return field.ErrorList{}
	}
	for _, a := range accepted {
		if a == value {
			return field.ErrorList{}
		}
	}
	return field.ErrorList{field.NotSupported(fldPath, value, accepted)}
}

// AcceptedConversionReviewVersions contains the list of ConversionReview versions the *prior* version of the API server understands.

			configuration: api.AuthorizationConfiguration{
				Authorizers: []api.AuthorizerConfiguration{
					{
						Type: "Foo",
					},
				},
			},
			expectedErrList: field.ErrorList{field.NotSupported(field.NewPath("type"), "Foo", []string{"..."})},
			knownTypes:      sets.NewString(string("Webhook")),
			repeatableTypes: sets.NewString(string("Webhook")),
		},
		{

====

Running the task with the configuration cache enabled produces the following error:
----
include::{snippetsPath}/configurationCache/topLevel/tests-groovy/notSupported.out[]
----

To prevent the task from failing, convert the referenced top-level method to a static method within a class:
====