if conditionNames.Has(matchCondition.Name) {
				allErrors = append(allErrors, field.Duplicate(fldPath.Index(i).Child("name"), matchCondition.Name))
			} else {
				conditionNames.Insert(matchCondition.Name)
			}
		}
	}
	return allErrors
}

func validateMatchCondition(v *admissionregistration.MatchCondition, opts validationOptions, fldPath *field.Path) field.ErrorList {
	var allErrors field.ErrorList

	//
	// +patchMergeKey=name
	// +patchStrategy=merge
	// +listType=map
	// +listMapKey=name
	// +optional
	MatchConditions []MatchCondition `json:"matchConditions,omitempty" patchStrategy:"merge" patchMergeKey:"name" protobuf:"bytes,6,rep,name=matchConditions"`

	// Variables contain definitions of variables that can be used in composition of other expressions.
	// Each variable is defined as a named CEL expression.

  // +listMapKey=name
  // +optional
  repeated MatchCondition matchConditions = 6;

  // Variables contain definitions of variables that can be used in composition of other expressions.
  // Each variable is defined as a named CEL expression.
  // The variables defined here will be available under `variables` in other expressions of the policy
  // except MatchConditions because MatchConditions are evaluated before the rest of the policy.
  //

			matchConditions: []api.WebhookMatchCondition{
				{
					Expression: "has(request.resourceAttributes) && request.resourceAttributes.namespace == 'kube-system'",
				},
				{
					Expression: "request.user == 'admin'",
				},
			},
			featureEnabled: false,